diff --git a/.gitmodules b/.gitmodules
index 0ca6521..b8c96b0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "opentelemetry-proto"]
 	path = opentelemetry-proto
 	url = https://github.com/open-telemetry/opentelemetry-proto
-	branch = v0.14.0
+	branch = v0.15.0
diff --git a/opentelemetry-proto b/opentelemetry-proto
index cc4ed55..3c2915c 160000
--- a/opentelemetry-proto
+++ b/opentelemetry-proto
@@ -1 +1 @@
-Subproject commit cc4ed55c082cb75e084d40b4ddf3805eda099f97
+Subproject commit 3c2915c01a9fb37abfc0415ec71247c4978386b0
diff --git a/otlp/common/v1/common.pb.go b/otlp/common/v1/common.pb.go
index 044c017..e7ccdc0 100644
--- a/otlp/common/v1/common.pb.go
+++ b/otlp/common/v1/common.pb.go
@@ -355,6 +355,11 @@ func (x *KeyValue) GetValue() *AnyValue {
 
 // InstrumentationLibrary is a message representing the instrumentation library information
 // such as the fully qualified name and version.
+// InstrumentationLibrary is wire-compatible with InstrumentationScope for binary
+// Protobuf format.
+// This message is deprecated and will be removed on June 15, 2022.
+//
+// Deprecated: Do not use.
 type InstrumentationLibrary struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -411,6 +416,64 @@ func (x *InstrumentationLibrary) GetVersion() string {
 	return ""
 }
 
+// InstrumentationScope is a message representing the instrumentation scope information
+// such as the fully qualified name and version.
+type InstrumentationScope struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// An empty instrumentation scope name means the name is unknown.
+	Name    string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
+}
+
+func (x *InstrumentationScope) Reset() {
+	*x = InstrumentationScope{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_opentelemetry_proto_common_v1_common_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *InstrumentationScope) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InstrumentationScope) ProtoMessage() {}
+
+func (x *InstrumentationScope) ProtoReflect() protoreflect.Message {
+	mi := &file_opentelemetry_proto_common_v1_common_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use InstrumentationScope.ProtoReflect.Descriptor instead.
+func (*InstrumentationScope) Descriptor() ([]byte, []int) {
+	return file_opentelemetry_proto_common_v1_common_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *InstrumentationScope) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *InstrumentationScope) GetVersion() string {
+	if x != nil {
+		return x.Version
+	}
+	return ""
+}
+
 var File_opentelemetry_proto_common_v1_common_proto protoreflect.FileDescriptor
 
 var file_opentelemetry_proto_common_v1_common_proto_rawDesc = []byte{
@@ -456,18 +519,23 @@ var file_opentelemetry_proto_common_v1_common_proto_rawDesc = []byte{
 	0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x27, 0x2e, 0x6f, 0x70,
 	0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74,
 	0x6f, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x6e, 0x79, 0x56,
-	0x61, 0x6c, 0x75, 0x65, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x46, 0x0a, 0x16, 0x49,
+	0x61, 0x6c, 0x75, 0x65, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x4a, 0x0a, 0x16, 0x49,
 	0x6e, 0x73, 0x74, 0x72, 0x75, 0x6d, 0x65, 0x6e, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x4c, 0x69,
 	0x62, 0x72, 0x61, 0x72, 0x79, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20,
 	0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x76, 0x65, 0x72,
 	0x73, 0x69, 0x6f, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x76, 0x65, 0x72, 0x73,
-	0x69, 0x6f, 0x6e, 0x42, 0x5b, 0x0a, 0x20, 0x69, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65,
-	0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x63, 0x6f,
-	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x76, 0x31, 0x42, 0x0b, 0x43, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x50,
-	0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x28, 0x67, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74,
-	0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79, 0x2e, 0x69, 0x6f, 0x2f, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x2f, 0x6f, 0x74, 0x6c, 0x70, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x76, 0x31,
-	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x69, 0x6f, 0x6e, 0x3a, 0x02, 0x18, 0x01, 0x22, 0x44, 0x0a, 0x14, 0x49, 0x6e, 0x73, 0x74, 0x72,
+	0x75, 0x6d, 0x65, 0x6e, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x53, 0x63, 0x6f, 0x70, 0x65, 0x12,
+	0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e,
+	0x61, 0x6d, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x02,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x42, 0x5b, 0x0a,
+	0x20, 0x69, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72,
+	0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x76,
+	0x31, 0x42, 0x0b, 0x43, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01,
+	0x5a, 0x28, 0x67, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74,
+	0x72, 0x79, 0x2e, 0x69, 0x6f, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x6f, 0x74, 0x6c, 0x70,
+	0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x33,
 }
 
 var (
@@ -482,13 +550,14 @@ func file_opentelemetry_proto_common_v1_common_proto_rawDescGZIP() []byte {
 	return file_opentelemetry_proto_common_v1_common_proto_rawDescData
 }
 
-var file_opentelemetry_proto_common_v1_common_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_opentelemetry_proto_common_v1_common_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_opentelemetry_proto_common_v1_common_proto_goTypes = []interface{}{
 	(*AnyValue)(nil),               // 0: opentelemetry.proto.common.v1.AnyValue
 	(*ArrayValue)(nil),             // 1: opentelemetry.proto.common.v1.ArrayValue
 	(*KeyValueList)(nil),           // 2: opentelemetry.proto.common.v1.KeyValueList
 	(*KeyValue)(nil),               // 3: opentelemetry.proto.common.v1.KeyValue
 	(*InstrumentationLibrary)(nil), // 4: opentelemetry.proto.common.v1.InstrumentationLibrary
+	(*InstrumentationScope)(nil),   // 5: opentelemetry.proto.common.v1.InstrumentationScope
 }
 var file_opentelemetry_proto_common_v1_common_proto_depIdxs = []int32{
 	1, // 0: opentelemetry.proto.common.v1.AnyValue.array_value:type_name -> opentelemetry.proto.common.v1.ArrayValue
@@ -569,6 +638,18 @@ func file_opentelemetry_proto_common_v1_common_proto_init() {
 				return nil
 			}
 		}
+		file_opentelemetry_proto_common_v1_common_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*InstrumentationScope); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	file_opentelemetry_proto_common_v1_common_proto_msgTypes[0].OneofWrappers = []interface{}{
 		(*AnyValue_StringValue)(nil),
@@ -585,7 +666,7 @@ func file_opentelemetry_proto_common_v1_common_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_opentelemetry_proto_common_v1_common_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   5,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/otlp/logs/v1/logs.pb.go b/otlp/logs/v1/logs.pb.go
index 8274a12..f0b68ee 100644
--- a/otlp/logs/v1/logs.pb.go
+++ b/otlp/logs/v1/logs.pb.go
@@ -262,7 +262,7 @@ func (x *LogsData) GetResourceLogs() []*ResourceLogs {
 	return nil
 }
 
-// A collection of InstrumentationLibraryLogs from a Resource.
+// A collection of ScopeLogs from a Resource.
 type ResourceLogs struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -271,11 +271,40 @@ type ResourceLogs struct {
 	// The resource for the logs in this message.
 	// If this field is not set then resource info is unknown.
 	Resource *v1.Resource `protobuf:"bytes,1,opt,name=resource,proto3" json:"resource,omitempty"`
+	// A list of ScopeLogs that originate from a resource.
+	ScopeLogs []*ScopeLogs `protobuf:"bytes,2,rep,name=scope_logs,json=scopeLogs,proto3" json:"scope_logs,omitempty"`
 	// A list of InstrumentationLibraryLogs that originate from a resource.
-	InstrumentationLibraryLogs []*InstrumentationLibraryLogs `protobuf:"bytes,2,rep,name=instrumentation_library_logs,json=instrumentationLibraryLogs,proto3" json:"instrumentation_library_logs,omitempty"`
+	// This field is deprecated and will be removed after grace period expires on June 15, 2022.
+	//
+	// During the grace period the following rules SHOULD be followed:
+	//
+	// For Binary Protobufs
+	// ====================
+	// Binary Protobuf senders SHOULD NOT set instrumentation_library_logs. Instead
+	// scope_logs SHOULD be set.
+	//
+	// Binary Protobuf receivers SHOULD check if instrumentation_library_logs is set
+	// and scope_logs is not set then the value in instrumentation_library_logs
+	// SHOULD be used instead by converting InstrumentationLibraryLogs into ScopeLogs.
+	// If scope_logs is set then instrumentation_library_logs SHOULD be ignored.
+	//
+	// For JSON
+	// ========
+	// JSON senders that set instrumentation_library_logs field MAY also set
+	// scope_logs to carry the same logs, essentially double-publishing the same data.
+	// Such double-publishing MAY be controlled by a user-settable option.
+	// If double-publishing is not used then the senders SHOULD set scope_logs and
+	// SHOULD NOT set instrumentation_library_logs.
+	//
+	// JSON receivers SHOULD check if instrumentation_library_logs is set and
+	// scope_logs is not set then the value in instrumentation_library_logs
+	// SHOULD be used instead by converting InstrumentationLibraryLogs into ScopeLogs.
+	// If scope_logs is set then instrumentation_library_logs field SHOULD be ignored.
+	//
+	// Deprecated: Do not use.
+	InstrumentationLibraryLogs []*InstrumentationLibraryLogs `protobuf:"bytes,1000,rep,name=instrumentation_library_logs,json=instrumentationLibraryLogs,proto3" json:"instrumentation_library_logs,omitempty"`
 	// This schema_url applies to the data in the "resource" field. It does not apply
-	// to the data in the "instrumentation_library_logs" field which have their own
-	// schema_url field.
+	// to the data in the "scope_logs" field which have their own schema_url field.
 	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
 }
 
@@ -318,6 +347,14 @@ func (x *ResourceLogs) GetResource() *v1.Resource {
 	return nil
 }
 
+func (x *ResourceLogs) GetScopeLogs() []*ScopeLogs {
+	if x != nil {
+		return x.ScopeLogs
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
 func (x *ResourceLogs) GetInstrumentationLibraryLogs() []*InstrumentationLibraryLogs {
 	if x != nil {
 		return x.InstrumentationLibraryLogs
@@ -332,7 +369,81 @@ func (x *ResourceLogs) GetSchemaUrl() string {
 	return ""
 }
 
+// A collection of Logs produced by a Scope.
+type ScopeLogs struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The instrumentation scope information for the logs in this message.
+	// Semantically when InstrumentationScope isn't set, it is equivalent with
+	// an empty instrumentation scope name (unknown).
+	Scope *v11.InstrumentationScope `protobuf:"bytes,1,opt,name=scope,proto3" json:"scope,omitempty"`
+	// A list of log records.
+	LogRecords []*LogRecord `protobuf:"bytes,2,rep,name=log_records,json=logRecords,proto3" json:"log_records,omitempty"`
+	// This schema_url applies to all logs in the "logs" field.
+	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
+}
+
+func (x *ScopeLogs) Reset() {
+	*x = ScopeLogs{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ScopeLogs) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ScopeLogs) ProtoMessage() {}
+
+func (x *ScopeLogs) ProtoReflect() protoreflect.Message {
+	mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ScopeLogs.ProtoReflect.Descriptor instead.
+func (*ScopeLogs) Descriptor() ([]byte, []int) {
+	return file_opentelemetry_proto_logs_v1_logs_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *ScopeLogs) GetScope() *v11.InstrumentationScope {
+	if x != nil {
+		return x.Scope
+	}
+	return nil
+}
+
+func (x *ScopeLogs) GetLogRecords() []*LogRecord {
+	if x != nil {
+		return x.LogRecords
+	}
+	return nil
+}
+
+func (x *ScopeLogs) GetSchemaUrl() string {
+	if x != nil {
+		return x.SchemaUrl
+	}
+	return ""
+}
+
 // A collection of Logs produced by an InstrumentationLibrary.
+// InstrumentationLibraryLogs is wire-compatible with ScopeLogs for binary
+// Protobuf format.
+// This message is deprecated and will be removed on June 15, 2022.
+//
+// Deprecated: Do not use.
 type InstrumentationLibraryLogs struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -342,7 +453,7 @@ type InstrumentationLibraryLogs struct {
 	// Semantically when InstrumentationLibrary isn't set, it is equivalent with
 	// an empty instrumentation library name (unknown).
 	InstrumentationLibrary *v11.InstrumentationLibrary `protobuf:"bytes,1,opt,name=instrumentation_library,json=instrumentationLibrary,proto3" json:"instrumentation_library,omitempty"`
-	// A list of log records.
+	// A list of logs that originate from an instrumentation library.
 	LogRecords []*LogRecord `protobuf:"bytes,2,rep,name=log_records,json=logRecords,proto3" json:"log_records,omitempty"`
 	// This schema_url applies to all logs in the "logs" field.
 	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
@@ -351,7 +462,7 @@ type InstrumentationLibraryLogs struct {
 func (x *InstrumentationLibraryLogs) Reset() {
 	*x = InstrumentationLibraryLogs{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[2]
+		mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -364,7 +475,7 @@ func (x *InstrumentationLibraryLogs) String() string {
 func (*InstrumentationLibraryLogs) ProtoMessage() {}
 
 func (x *InstrumentationLibraryLogs) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[2]
+	mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -377,7 +488,7 @@ func (x *InstrumentationLibraryLogs) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InstrumentationLibraryLogs.ProtoReflect.Descriptor instead.
 func (*InstrumentationLibraryLogs) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_logs_v1_logs_proto_rawDescGZIP(), []int{2}
+	return file_opentelemetry_proto_logs_v1_logs_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *InstrumentationLibraryLogs) GetInstrumentationLibrary() *v11.InstrumentationLibrary {
@@ -472,7 +583,7 @@ type LogRecord struct {
 func (x *LogRecord) Reset() {
 	*x = LogRecord{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[3]
+		mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -485,7 +596,7 @@ func (x *LogRecord) String() string {
 func (*LogRecord) ProtoMessage() {}
 
 func (x *LogRecord) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[3]
+	mi := &file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -498,7 +609,7 @@ func (x *LogRecord) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LogRecord.ProtoReflect.Descriptor instead.
 func (*LogRecord) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_logs_v1_logs_proto_rawDescGZIP(), []int{3}
+	return file_opentelemetry_proto_logs_v1_logs_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *LogRecord) GetTimeUnixNano() uint64 {
@@ -597,126 +708,143 @@ var file_opentelemetry_proto_logs_v1_logs_proto_rawDesc = []byte{
 	0x20, 0x03, 0x28, 0x0b, 0x32, 0x29, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d,
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+	0x0c, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x4c, 0x6f, 0x67, 0x73, 0x22, 0xbb, 0x02,
 	0x0a, 0x0c, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x4c, 0x6f, 0x67, 0x73, 0x12, 0x45,
 	0x0a, 0x08, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b,
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+	0x52, 0x5f, 0x45, 0x52, 0x52, 0x4f, 0x52, 0x33, 0x10, 0x13, 0x12, 0x1a, 0x0a, 0x16, 0x53, 0x45,
+	0x56, 0x45, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x4e, 0x55, 0x4d, 0x42, 0x45, 0x52, 0x5f, 0x45, 0x52,
+	0x52, 0x4f, 0x52, 0x34, 0x10, 0x14, 0x12, 0x19, 0x0a, 0x15, 0x53, 0x45, 0x56, 0x45, 0x52, 0x49,
+	0x54, 0x59, 0x5f, 0x4e, 0x55, 0x4d, 0x42, 0x45, 0x52, 0x5f, 0x46, 0x41, 0x54, 0x41, 0x4c, 0x10,
+	0x15, 0x12, 0x1a, 0x0a, 0x16, 0x53, 0x45, 0x56, 0x45, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x4e, 0x55,
+	0x4d, 0x42, 0x45, 0x52, 0x5f, 0x46, 0x41, 0x54, 0x41, 0x4c, 0x32, 0x10, 0x16, 0x12, 0x1a, 0x0a,
+	0x16, 0x53, 0x45, 0x56, 0x45, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x4e, 0x55, 0x4d, 0x42, 0x45, 0x52,
+	0x5f, 0x46, 0x41, 0x54, 0x41, 0x4c, 0x33, 0x10, 0x17, 0x12, 0x1a, 0x0a, 0x16, 0x53, 0x45, 0x56,
+	0x45, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x4e, 0x55, 0x4d, 0x42, 0x45, 0x52, 0x5f, 0x46, 0x41, 0x54,
+	0x41, 0x4c, 0x34, 0x10, 0x18, 0x2a, 0x58, 0x0a, 0x0e, 0x4c, 0x6f, 0x67, 0x52, 0x65, 0x63, 0x6f,
+	0x72, 0x64, 0x46, 0x6c, 0x61, 0x67, 0x73, 0x12, 0x1f, 0x0a, 0x1b, 0x4c, 0x4f, 0x47, 0x5f, 0x52,
+	0x45, 0x43, 0x4f, 0x52, 0x44, 0x5f, 0x46, 0x4c, 0x41, 0x47, 0x5f, 0x55, 0x4e, 0x53, 0x50, 0x45,
+	0x43, 0x49, 0x46, 0x49, 0x45, 0x44, 0x10, 0x00, 0x12, 0x25, 0x0a, 0x20, 0x4c, 0x4f, 0x47, 0x5f,
+	0x52, 0x45, 0x43, 0x4f, 0x52, 0x44, 0x5f, 0x46, 0x4c, 0x41, 0x47, 0x5f, 0x54, 0x52, 0x41, 0x43,
+	0x45, 0x5f, 0x46, 0x4c, 0x41, 0x47, 0x53, 0x5f, 0x4d, 0x41, 0x53, 0x4b, 0x10, 0xff, 0x01, 0x42,
+	0x55, 0x0a, 0x1e, 0x69, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65,
+	0x74, 0x72, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x6c, 0x6f, 0x67, 0x73, 0x2e, 0x76,
+	0x31, 0x42, 0x09, 0x4c, 0x6f, 0x67, 0x73, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x26,
+	0x67, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79,
+	0x2e, 0x69, 0x6f, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x6f, 0x74, 0x6c, 0x70, 0x2f, 0x6c,
+	0x6f, 0x67, 0x73, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -732,33 +860,38 @@ func file_opentelemetry_proto_logs_v1_logs_proto_rawDescGZIP() []byte {
 }
 
 var file_opentelemetry_proto_logs_v1_logs_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_opentelemetry_proto_logs_v1_logs_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_opentelemetry_proto_logs_v1_logs_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
 var file_opentelemetry_proto_logs_v1_logs_proto_goTypes = []interface{}{
 	(SeverityNumber)(0),                // 0: opentelemetry.proto.logs.v1.SeverityNumber
 	(LogRecordFlags)(0),                // 1: opentelemetry.proto.logs.v1.LogRecordFlags
 	(*LogsData)(nil),                   // 2: opentelemetry.proto.logs.v1.LogsData
 	(*ResourceLogs)(nil),               // 3: opentelemetry.proto.logs.v1.ResourceLogs
-	(*InstrumentationLibraryLogs)(nil), // 4: opentelemetry.proto.logs.v1.InstrumentationLibraryLogs
-	(*LogRecord)(nil),                  // 5: opentelemetry.proto.logs.v1.LogRecord
-	(*v1.Resource)(nil),                // 6: opentelemetry.proto.resource.v1.Resource
-	(*v11.InstrumentationLibrary)(nil), // 7: opentelemetry.proto.common.v1.InstrumentationLibrary
-	(*v11.AnyValue)(nil),               // 8: opentelemetry.proto.common.v1.AnyValue
-	(*v11.KeyValue)(nil),               // 9: opentelemetry.proto.common.v1.KeyValue
+	(*ScopeLogs)(nil),                  // 4: opentelemetry.proto.logs.v1.ScopeLogs
+	(*InstrumentationLibraryLogs)(nil), // 5: opentelemetry.proto.logs.v1.InstrumentationLibraryLogs
+	(*LogRecord)(nil),                  // 6: opentelemetry.proto.logs.v1.LogRecord
+	(*v1.Resource)(nil),                // 7: opentelemetry.proto.resource.v1.Resource
+	(*v11.InstrumentationScope)(nil),   // 8: opentelemetry.proto.common.v1.InstrumentationScope
+	(*v11.InstrumentationLibrary)(nil), // 9: opentelemetry.proto.common.v1.InstrumentationLibrary
+	(*v11.AnyValue)(nil),               // 10: opentelemetry.proto.common.v1.AnyValue
+	(*v11.KeyValue)(nil),               // 11: opentelemetry.proto.common.v1.KeyValue
 }
 var file_opentelemetry_proto_logs_v1_logs_proto_depIdxs = []int32{
-	3, // 0: opentelemetry.proto.logs.v1.LogsData.resource_logs:type_name -> opentelemetry.proto.logs.v1.ResourceLogs
-	6, // 1: opentelemetry.proto.logs.v1.ResourceLogs.resource:type_name -> opentelemetry.proto.resource.v1.Resource
-	4, // 2: opentelemetry.proto.logs.v1.ResourceLogs.instrumentation_library_logs:type_name -> opentelemetry.proto.logs.v1.InstrumentationLibraryLogs
-	7, // 3: opentelemetry.proto.logs.v1.InstrumentationLibraryLogs.instrumentation_library:type_name -> opentelemetry.proto.common.v1.InstrumentationLibrary
-	5, // 4: opentelemetry.proto.logs.v1.InstrumentationLibraryLogs.log_records:type_name -> opentelemetry.proto.logs.v1.LogRecord
-	0, // 5: opentelemetry.proto.logs.v1.LogRecord.severity_number:type_name -> opentelemetry.proto.logs.v1.SeverityNumber
-	8, // 6: opentelemetry.proto.logs.v1.LogRecord.body:type_name -> opentelemetry.proto.common.v1.AnyValue
-	9, // 7: opentelemetry.proto.logs.v1.LogRecord.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	8, // [8:8] is the sub-list for method output_type
-	8, // [8:8] is the sub-list for method input_type
-	8, // [8:8] is the sub-list for extension type_name
-	8, // [8:8] is the sub-list for extension extendee
-	0, // [0:8] is the sub-list for field type_name
+	3,  // 0: opentelemetry.proto.logs.v1.LogsData.resource_logs:type_name -> opentelemetry.proto.logs.v1.ResourceLogs
+	7,  // 1: opentelemetry.proto.logs.v1.ResourceLogs.resource:type_name -> opentelemetry.proto.resource.v1.Resource
+	4,  // 2: opentelemetry.proto.logs.v1.ResourceLogs.scope_logs:type_name -> opentelemetry.proto.logs.v1.ScopeLogs
+	5,  // 3: opentelemetry.proto.logs.v1.ResourceLogs.instrumentation_library_logs:type_name -> opentelemetry.proto.logs.v1.InstrumentationLibraryLogs
+	8,  // 4: opentelemetry.proto.logs.v1.ScopeLogs.scope:type_name -> opentelemetry.proto.common.v1.InstrumentationScope
+	6,  // 5: opentelemetry.proto.logs.v1.ScopeLogs.log_records:type_name -> opentelemetry.proto.logs.v1.LogRecord
+	9,  // 6: opentelemetry.proto.logs.v1.InstrumentationLibraryLogs.instrumentation_library:type_name -> opentelemetry.proto.common.v1.InstrumentationLibrary
+	6,  // 7: opentelemetry.proto.logs.v1.InstrumentationLibraryLogs.log_records:type_name -> opentelemetry.proto.logs.v1.LogRecord
+	0,  // 8: opentelemetry.proto.logs.v1.LogRecord.severity_number:type_name -> opentelemetry.proto.logs.v1.SeverityNumber
+	10, // 9: opentelemetry.proto.logs.v1.LogRecord.body:type_name -> opentelemetry.proto.common.v1.AnyValue
+	11, // 10: opentelemetry.proto.logs.v1.LogRecord.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	11, // [11:11] is the sub-list for method output_type
+	11, // [11:11] is the sub-list for method input_type
+	11, // [11:11] is the sub-list for extension type_name
+	11, // [11:11] is the sub-list for extension extendee
+	0,  // [0:11] is the sub-list for field type_name
 }
 
 func init() { file_opentelemetry_proto_logs_v1_logs_proto_init() }
@@ -792,7 +925,7 @@ func file_opentelemetry_proto_logs_v1_logs_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*InstrumentationLibraryLogs); i {
+			switch v := v.(*ScopeLogs); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -804,6 +937,18 @@ func file_opentelemetry_proto_logs_v1_logs_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*InstrumentationLibraryLogs); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_opentelemetry_proto_logs_v1_logs_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LogRecord); i {
 			case 0:
 				return &v.state
@@ -822,7 +967,7 @@ func file_opentelemetry_proto_logs_v1_logs_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_opentelemetry_proto_logs_v1_logs_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   4,
+			NumMessages:   5,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/otlp/metrics/v1/metrics.pb.go b/otlp/metrics/v1/metrics.pb.go
index 8b6b410..fe45cdd 100644
--- a/otlp/metrics/v1/metrics.pb.go
+++ b/otlp/metrics/v1/metrics.pb.go
@@ -266,7 +266,7 @@ func (x *MetricsData) GetResourceMetrics() []*ResourceMetrics {
 	return nil
 }
 
-// A collection of InstrumentationLibraryMetrics from a Resource.
+// A collection of ScopeMetrics from a Resource.
 type ResourceMetrics struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -276,10 +276,39 @@ type ResourceMetrics struct {
 	// If this field is not set then no resource info is known.
 	Resource *v1.Resource `protobuf:"bytes,1,opt,name=resource,proto3" json:"resource,omitempty"`
 	// A list of metrics that originate from a resource.
-	InstrumentationLibraryMetrics []*InstrumentationLibraryMetrics `protobuf:"bytes,2,rep,name=instrumentation_library_metrics,json=instrumentationLibraryMetrics,proto3" json:"instrumentation_library_metrics,omitempty"`
+	ScopeMetrics []*ScopeMetrics `protobuf:"bytes,2,rep,name=scope_metrics,json=scopeMetrics,proto3" json:"scope_metrics,omitempty"`
+	// A list of InstrumentationLibraryMetrics that originate from a resource.
+	// This field is deprecated and will be removed after grace period expires on June 15, 2022.
+	//
+	// During the grace period the following rules SHOULD be followed:
+	//
+	// For Binary Protobufs
+	// ====================
+	// Binary Protobuf senders SHOULD NOT set instrumentation_library_metrics. Instead
+	// scope_metrics SHOULD be set.
+	//
+	// Binary Protobuf receivers SHOULD check if instrumentation_library_metrics is set
+	// and scope_metrics is not set then the value in instrumentation_library_metrics
+	// SHOULD be used instead by converting InstrumentationLibraryMetrics into ScopeMetrics.
+	// If scope_metrics is set then instrumentation_library_metrics SHOULD be ignored.
+	//
+	// For JSON
+	// ========
+	// JSON senders that set instrumentation_library_metrics field MAY also set
+	// scope_metrics to carry the same metrics, essentially double-publishing the same data.
+	// Such double-publishing MAY be controlled by a user-settable option.
+	// If double-publishing is not used then the senders SHOULD set scope_metrics and
+	// SHOULD NOT set instrumentation_library_metrics.
+	//
+	// JSON receivers SHOULD check if instrumentation_library_metrics is set and
+	// scope_metrics is not set then the value in instrumentation_library_metrics
+	// SHOULD be used instead by converting InstrumentationLibraryMetrics into ScopeMetrics.
+	// If scope_metrics is set then instrumentation_library_metrics field SHOULD be ignored.
+	//
+	// Deprecated: Do not use.
+	InstrumentationLibraryMetrics []*InstrumentationLibraryMetrics `protobuf:"bytes,1000,rep,name=instrumentation_library_metrics,json=instrumentationLibraryMetrics,proto3" json:"instrumentation_library_metrics,omitempty"`
 	// This schema_url applies to the data in the "resource" field. It does not apply
-	// to the data in the "instrumentation_library_metrics" field which have their own
-	// schema_url field.
+	// to the data in the "scope_metrics" field which have their own schema_url field.
 	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
 }
 
@@ -322,6 +351,14 @@ func (x *ResourceMetrics) GetResource() *v1.Resource {
 	return nil
 }
 
+func (x *ResourceMetrics) GetScopeMetrics() []*ScopeMetrics {
+	if x != nil {
+		return x.ScopeMetrics
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
 func (x *ResourceMetrics) GetInstrumentationLibraryMetrics() []*InstrumentationLibraryMetrics {
 	if x != nil {
 		return x.InstrumentationLibraryMetrics
@@ -336,7 +373,81 @@ func (x *ResourceMetrics) GetSchemaUrl() string {
 	return ""
 }
 
+// A collection of Metrics produced by an Scope.
+type ScopeMetrics struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The instrumentation scope information for the metrics in this message.
+	// Semantically when InstrumentationScope isn't set, it is equivalent with
+	// an empty instrumentation scope name (unknown).
+	Scope *v11.InstrumentationScope `protobuf:"bytes,1,opt,name=scope,proto3" json:"scope,omitempty"`
+	// A list of metrics that originate from an instrumentation library.
+	Metrics []*Metric `protobuf:"bytes,2,rep,name=metrics,proto3" json:"metrics,omitempty"`
+	// This schema_url applies to all metrics in the "metrics" field.
+	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
+}
+
+func (x *ScopeMetrics) Reset() {
+	*x = ScopeMetrics{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ScopeMetrics) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ScopeMetrics) ProtoMessage() {}
+
+func (x *ScopeMetrics) ProtoReflect() protoreflect.Message {
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ScopeMetrics.ProtoReflect.Descriptor instead.
+func (*ScopeMetrics) Descriptor() ([]byte, []int) {
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *ScopeMetrics) GetScope() *v11.InstrumentationScope {
+	if x != nil {
+		return x.Scope
+	}
+	return nil
+}
+
+func (x *ScopeMetrics) GetMetrics() []*Metric {
+	if x != nil {
+		return x.Metrics
+	}
+	return nil
+}
+
+func (x *ScopeMetrics) GetSchemaUrl() string {
+	if x != nil {
+		return x.SchemaUrl
+	}
+	return ""
+}
+
 // A collection of Metrics produced by an InstrumentationLibrary.
+// InstrumentationLibraryMetrics is wire-compatible with ScopeMetrics for binary
+// Protobuf format.
+// This message is deprecated and will be removed on June 15, 2022.
+//
+// Deprecated: Do not use.
 type InstrumentationLibraryMetrics struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -355,7 +466,7 @@ type InstrumentationLibraryMetrics struct {
 func (x *InstrumentationLibraryMetrics) Reset() {
 	*x = InstrumentationLibraryMetrics{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[2]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -368,7 +479,7 @@ func (x *InstrumentationLibraryMetrics) String() string {
 func (*InstrumentationLibraryMetrics) ProtoMessage() {}
 
 func (x *InstrumentationLibraryMetrics) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[2]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -381,7 +492,7 @@ func (x *InstrumentationLibraryMetrics) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InstrumentationLibraryMetrics.ProtoReflect.Descriptor instead.
 func (*InstrumentationLibraryMetrics) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{2}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *InstrumentationLibraryMetrics) GetInstrumentationLibrary() *v11.InstrumentationLibrary {
@@ -518,7 +629,7 @@ type Metric struct {
 func (x *Metric) Reset() {
 	*x = Metric{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[3]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -531,7 +642,7 @@ func (x *Metric) String() string {
 func (*Metric) ProtoMessage() {}
 
 func (x *Metric) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[3]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -544,7 +655,7 @@ func (x *Metric) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Metric.ProtoReflect.Descriptor instead.
 func (*Metric) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{3}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *Metric) GetName() string {
@@ -664,7 +775,7 @@ type Gauge struct {
 func (x *Gauge) Reset() {
 	*x = Gauge{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[4]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -677,7 +788,7 @@ func (x *Gauge) String() string {
 func (*Gauge) ProtoMessage() {}
 
 func (x *Gauge) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[4]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -690,7 +801,7 @@ func (x *Gauge) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Gauge.ProtoReflect.Descriptor instead.
 func (*Gauge) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{4}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *Gauge) GetDataPoints() []*NumberDataPoint {
@@ -718,7 +829,7 @@ type Sum struct {
 func (x *Sum) Reset() {
 	*x = Sum{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[5]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -731,7 +842,7 @@ func (x *Sum) String() string {
 func (*Sum) ProtoMessage() {}
 
 func (x *Sum) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[5]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -744,7 +855,7 @@ func (x *Sum) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Sum.ProtoReflect.Descriptor instead.
 func (*Sum) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{5}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *Sum) GetDataPoints() []*NumberDataPoint {
@@ -784,7 +895,7 @@ type Histogram struct {
 func (x *Histogram) Reset() {
 	*x = Histogram{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[6]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -797,7 +908,7 @@ func (x *Histogram) String() string {
 func (*Histogram) ProtoMessage() {}
 
 func (x *Histogram) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[6]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -810,7 +921,7 @@ func (x *Histogram) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Histogram.ProtoReflect.Descriptor instead.
 func (*Histogram) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{6}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *Histogram) GetDataPoints() []*HistogramDataPoint {
@@ -843,7 +954,7 @@ type ExponentialHistogram struct {
 func (x *ExponentialHistogram) Reset() {
 	*x = ExponentialHistogram{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[7]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -856,7 +967,7 @@ func (x *ExponentialHistogram) String() string {
 func (*ExponentialHistogram) ProtoMessage() {}
 
 func (x *ExponentialHistogram) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[7]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -869,7 +980,7 @@ func (x *ExponentialHistogram) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ExponentialHistogram.ProtoReflect.Descriptor instead.
 func (*ExponentialHistogram) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{7}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *ExponentialHistogram) GetDataPoints() []*ExponentialHistogramDataPoint {
@@ -903,7 +1014,7 @@ type Summary struct {
 func (x *Summary) Reset() {
 	*x = Summary{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[8]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -916,7 +1027,7 @@ func (x *Summary) String() string {
 func (*Summary) ProtoMessage() {}
 
 func (x *Summary) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[8]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -929,7 +1040,7 @@ func (x *Summary) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Summary.ProtoReflect.Descriptor instead.
 func (*Summary) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{8}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *Summary) GetDataPoints() []*SummaryDataPoint {
@@ -980,7 +1091,7 @@ type NumberDataPoint struct {
 func (x *NumberDataPoint) Reset() {
 	*x = NumberDataPoint{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[9]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -993,7 +1104,7 @@ func (x *NumberDataPoint) String() string {
 func (*NumberDataPoint) ProtoMessage() {}
 
 func (x *NumberDataPoint) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[9]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1006,7 +1117,7 @@ func (x *NumberDataPoint) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NumberDataPoint.ProtoReflect.Descriptor instead.
 func (*NumberDataPoint) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{9}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *NumberDataPoint) GetAttributes() []*v11.KeyValue {
@@ -1124,7 +1235,7 @@ type HistogramDataPoint struct {
 	// Negative events *can* be recorded, but sum should not be filled out when
 	// doing so.  This is specifically to enforce compatibility w/ OpenMetrics,
 	// see: https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#histogram
-	Sum float64 `protobuf:"fixed64,5,opt,name=sum,proto3" json:"sum,omitempty"`
+	Sum *float64 `protobuf:"fixed64,5,opt,name=sum,proto3,oneof" json:"sum,omitempty"`
 	// bucket_counts is an optional field contains the count values of histogram
 	// for each bucket.
 	//
@@ -1158,7 +1269,7 @@ type HistogramDataPoint struct {
 func (x *HistogramDataPoint) Reset() {
 	*x = HistogramDataPoint{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[10]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1171,7 +1282,7 @@ func (x *HistogramDataPoint) String() string {
 func (*HistogramDataPoint) ProtoMessage() {}
 
 func (x *HistogramDataPoint) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[10]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1184,7 +1295,7 @@ func (x *HistogramDataPoint) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use HistogramDataPoint.ProtoReflect.Descriptor instead.
 func (*HistogramDataPoint) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{10}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *HistogramDataPoint) GetAttributes() []*v11.KeyValue {
@@ -1216,8 +1327,8 @@ func (x *HistogramDataPoint) GetCount() uint64 {
 }
 
 func (x *HistogramDataPoint) GetSum() float64 {
-	if x != nil {
-		return x.Sum
+	if x != nil && x.Sum != nil {
+		return *x.Sum
 	}
 	return 0
 }
@@ -1329,7 +1440,7 @@ type ExponentialHistogramDataPoint struct {
 func (x *ExponentialHistogramDataPoint) Reset() {
 	*x = ExponentialHistogramDataPoint{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[11]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1342,7 +1453,7 @@ func (x *ExponentialHistogramDataPoint) String() string {
 func (*ExponentialHistogramDataPoint) ProtoMessage() {}
 
 func (x *ExponentialHistogramDataPoint) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[11]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1355,7 +1466,7 @@ func (x *ExponentialHistogramDataPoint) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ExponentialHistogramDataPoint.ProtoReflect.Descriptor instead.
 func (*ExponentialHistogramDataPoint) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{11}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *ExponentialHistogramDataPoint) GetAttributes() []*v11.KeyValue {
@@ -1480,7 +1591,7 @@ type SummaryDataPoint struct {
 func (x *SummaryDataPoint) Reset() {
 	*x = SummaryDataPoint{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[12]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1493,7 +1604,7 @@ func (x *SummaryDataPoint) String() string {
 func (*SummaryDataPoint) ProtoMessage() {}
 
 func (x *SummaryDataPoint) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[12]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1506,7 +1617,7 @@ func (x *SummaryDataPoint) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SummaryDataPoint.ProtoReflect.Descriptor instead.
 func (*SummaryDataPoint) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{12}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *SummaryDataPoint) GetAttributes() []*v11.KeyValue {
@@ -1597,7 +1708,7 @@ type Exemplar struct {
 func (x *Exemplar) Reset() {
 	*x = Exemplar{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[13]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1610,7 +1721,7 @@ func (x *Exemplar) String() string {
 func (*Exemplar) ProtoMessage() {}
 
 func (x *Exemplar) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[13]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1623,7 +1734,7 @@ func (x *Exemplar) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Exemplar.ProtoReflect.Descriptor instead.
 func (*Exemplar) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{13}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *Exemplar) GetFilteredAttributes() []*v11.KeyValue {
@@ -1717,7 +1828,7 @@ type ExponentialHistogramDataPoint_Buckets struct {
 func (x *ExponentialHistogramDataPoint_Buckets) Reset() {
 	*x = ExponentialHistogramDataPoint_Buckets{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[14]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1730,7 +1841,7 @@ func (x *ExponentialHistogramDataPoint_Buckets) String() string {
 func (*ExponentialHistogramDataPoint_Buckets) ProtoMessage() {}
 
 func (x *ExponentialHistogramDataPoint_Buckets) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[14]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1743,7 +1854,7 @@ func (x *ExponentialHistogramDataPoint_Buckets) ProtoReflect() protoreflect.Mess
 
 // Deprecated: Use ExponentialHistogramDataPoint_Buckets.ProtoReflect.Descriptor instead.
 func (*ExponentialHistogramDataPoint_Buckets) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{11, 0}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{12, 0}
 }
 
 func (x *ExponentialHistogramDataPoint_Buckets) GetOffset() int32 {
@@ -1785,7 +1896,7 @@ type SummaryDataPoint_ValueAtQuantile struct {
 func (x *SummaryDataPoint_ValueAtQuantile) Reset() {
 	*x = SummaryDataPoint_ValueAtQuantile{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[15]
+		mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1798,7 +1909,7 @@ func (x *SummaryDataPoint_ValueAtQuantile) String() string {
 func (*SummaryDataPoint_ValueAtQuantile) ProtoMessage() {}
 
 func (x *SummaryDataPoint_ValueAtQuantile) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[15]
+	mi := &file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1811,7 +1922,7 @@ func (x *SummaryDataPoint_ValueAtQuantile) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SummaryDataPoint_ValueAtQuantile.ProtoReflect.Descriptor instead.
 func (*SummaryDataPoint_ValueAtQuantile) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{12, 0}
+	return file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP(), []int{13, 0}
 }
 
 func (x *SummaryDataPoint_ValueAtQuantile) GetQuantile() float64 {
@@ -1848,78 +1959,111 @@ var file_opentelemetry_proto_metrics_v1_metrics_proto_rawDesc = []byte{
 	0x74, 0x72, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63,
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+	0x59, 0x5f, 0x43, 0x55, 0x4d, 0x55, 0x4c, 0x41, 0x54, 0x49, 0x56, 0x45, 0x10, 0x02, 0x2a, 0x3b,
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+	0x1a, 0x0a, 0x16, 0x46, 0x4c, 0x41, 0x47, 0x5f, 0x4e, 0x4f, 0x5f, 0x52, 0x45, 0x43, 0x4f, 0x52,
+	0x44, 0x45, 0x44, 0x5f, 0x56, 0x41, 0x4c, 0x55, 0x45, 0x10, 0x01, 0x42, 0x5e, 0x0a, 0x21, 0x69,
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+	0x74, 0x6f, 0x33,
 }
 
 var (
@@ -2129,65 +2259,70 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_rawDescGZIP() []byte {
 }
 
 var file_opentelemetry_proto_metrics_v1_metrics_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
+var file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_opentelemetry_proto_metrics_v1_metrics_proto_goTypes = []interface{}{
 	(AggregationTemporality)(0),                   // 0: opentelemetry.proto.metrics.v1.AggregationTemporality
 	(DataPointFlags)(0),                           // 1: opentelemetry.proto.metrics.v1.DataPointFlags
 	(*MetricsData)(nil),                           // 2: opentelemetry.proto.metrics.v1.MetricsData
 	(*ResourceMetrics)(nil),                       // 3: opentelemetry.proto.metrics.v1.ResourceMetrics
-	(*InstrumentationLibraryMetrics)(nil),         // 4: opentelemetry.proto.metrics.v1.InstrumentationLibraryMetrics
-	(*Metric)(nil),                                // 5: opentelemetry.proto.metrics.v1.Metric
-	(*Gauge)(nil),                                 // 6: opentelemetry.proto.metrics.v1.Gauge
-	(*Sum)(nil),                                   // 7: opentelemetry.proto.metrics.v1.Sum
-	(*Histogram)(nil),                             // 8: opentelemetry.proto.metrics.v1.Histogram
-	(*ExponentialHistogram)(nil),                  // 9: opentelemetry.proto.metrics.v1.ExponentialHistogram
-	(*Summary)(nil),                               // 10: opentelemetry.proto.metrics.v1.Summary
-	(*NumberDataPoint)(nil),                       // 11: opentelemetry.proto.metrics.v1.NumberDataPoint
-	(*HistogramDataPoint)(nil),                    // 12: opentelemetry.proto.metrics.v1.HistogramDataPoint
-	(*ExponentialHistogramDataPoint)(nil),         // 13: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint
-	(*SummaryDataPoint)(nil),                      // 14: opentelemetry.proto.metrics.v1.SummaryDataPoint
-	(*Exemplar)(nil),                              // 15: opentelemetry.proto.metrics.v1.Exemplar
-	(*ExponentialHistogramDataPoint_Buckets)(nil), // 16: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.Buckets
-	(*SummaryDataPoint_ValueAtQuantile)(nil),      // 17: opentelemetry.proto.metrics.v1.SummaryDataPoint.ValueAtQuantile
-	(*v1.Resource)(nil),                           // 18: opentelemetry.proto.resource.v1.Resource
-	(*v11.InstrumentationLibrary)(nil),            // 19: opentelemetry.proto.common.v1.InstrumentationLibrary
-	(*v11.KeyValue)(nil),                          // 20: opentelemetry.proto.common.v1.KeyValue
+	(*ScopeMetrics)(nil),                          // 4: opentelemetry.proto.metrics.v1.ScopeMetrics
+	(*InstrumentationLibraryMetrics)(nil),         // 5: opentelemetry.proto.metrics.v1.InstrumentationLibraryMetrics
+	(*Metric)(nil),                                // 6: opentelemetry.proto.metrics.v1.Metric
+	(*Gauge)(nil),                                 // 7: opentelemetry.proto.metrics.v1.Gauge
+	(*Sum)(nil),                                   // 8: opentelemetry.proto.metrics.v1.Sum
+	(*Histogram)(nil),                             // 9: opentelemetry.proto.metrics.v1.Histogram
+	(*ExponentialHistogram)(nil),                  // 10: opentelemetry.proto.metrics.v1.ExponentialHistogram
+	(*Summary)(nil),                               // 11: opentelemetry.proto.metrics.v1.Summary
+	(*NumberDataPoint)(nil),                       // 12: opentelemetry.proto.metrics.v1.NumberDataPoint
+	(*HistogramDataPoint)(nil),                    // 13: opentelemetry.proto.metrics.v1.HistogramDataPoint
+	(*ExponentialHistogramDataPoint)(nil),         // 14: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint
+	(*SummaryDataPoint)(nil),                      // 15: opentelemetry.proto.metrics.v1.SummaryDataPoint
+	(*Exemplar)(nil),                              // 16: opentelemetry.proto.metrics.v1.Exemplar
+	(*ExponentialHistogramDataPoint_Buckets)(nil), // 17: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.Buckets
+	(*SummaryDataPoint_ValueAtQuantile)(nil),      // 18: opentelemetry.proto.metrics.v1.SummaryDataPoint.ValueAtQuantile
+	(*v1.Resource)(nil),                           // 19: opentelemetry.proto.resource.v1.Resource
+	(*v11.InstrumentationScope)(nil),              // 20: opentelemetry.proto.common.v1.InstrumentationScope
+	(*v11.InstrumentationLibrary)(nil),            // 21: opentelemetry.proto.common.v1.InstrumentationLibrary
+	(*v11.KeyValue)(nil),                          // 22: opentelemetry.proto.common.v1.KeyValue
 }
 var file_opentelemetry_proto_metrics_v1_metrics_proto_depIdxs = []int32{
 	3,  // 0: opentelemetry.proto.metrics.v1.MetricsData.resource_metrics:type_name -> opentelemetry.proto.metrics.v1.ResourceMetrics
-	18, // 1: opentelemetry.proto.metrics.v1.ResourceMetrics.resource:type_name -> opentelemetry.proto.resource.v1.Resource
-	4,  // 2: opentelemetry.proto.metrics.v1.ResourceMetrics.instrumentation_library_metrics:type_name -> opentelemetry.proto.metrics.v1.InstrumentationLibraryMetrics
-	19, // 3: opentelemetry.proto.metrics.v1.InstrumentationLibraryMetrics.instrumentation_library:type_name -> opentelemetry.proto.common.v1.InstrumentationLibrary
-	5,  // 4: opentelemetry.proto.metrics.v1.InstrumentationLibraryMetrics.metrics:type_name -> opentelemetry.proto.metrics.v1.Metric
-	6,  // 5: opentelemetry.proto.metrics.v1.Metric.gauge:type_name -> opentelemetry.proto.metrics.v1.Gauge
-	7,  // 6: opentelemetry.proto.metrics.v1.Metric.sum:type_name -> opentelemetry.proto.metrics.v1.Sum
-	8,  // 7: opentelemetry.proto.metrics.v1.Metric.histogram:type_name -> opentelemetry.proto.metrics.v1.Histogram
-	9,  // 8: opentelemetry.proto.metrics.v1.Metric.exponential_histogram:type_name -> opentelemetry.proto.metrics.v1.ExponentialHistogram
-	10, // 9: opentelemetry.proto.metrics.v1.Metric.summary:type_name -> opentelemetry.proto.metrics.v1.Summary
-	11, // 10: opentelemetry.proto.metrics.v1.Gauge.data_points:type_name -> opentelemetry.proto.metrics.v1.NumberDataPoint
-	11, // 11: opentelemetry.proto.metrics.v1.Sum.data_points:type_name -> opentelemetry.proto.metrics.v1.NumberDataPoint
-	0,  // 12: opentelemetry.proto.metrics.v1.Sum.aggregation_temporality:type_name -> opentelemetry.proto.metrics.v1.AggregationTemporality
-	12, // 13: opentelemetry.proto.metrics.v1.Histogram.data_points:type_name -> opentelemetry.proto.metrics.v1.HistogramDataPoint
-	0,  // 14: opentelemetry.proto.metrics.v1.Histogram.aggregation_temporality:type_name -> opentelemetry.proto.metrics.v1.AggregationTemporality
-	13, // 15: opentelemetry.proto.metrics.v1.ExponentialHistogram.data_points:type_name -> opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint
-	0,  // 16: opentelemetry.proto.metrics.v1.ExponentialHistogram.aggregation_temporality:type_name -> opentelemetry.proto.metrics.v1.AggregationTemporality
-	14, // 17: opentelemetry.proto.metrics.v1.Summary.data_points:type_name -> opentelemetry.proto.metrics.v1.SummaryDataPoint
-	20, // 18: opentelemetry.proto.metrics.v1.NumberDataPoint.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	15, // 19: opentelemetry.proto.metrics.v1.NumberDataPoint.exemplars:type_name -> opentelemetry.proto.metrics.v1.Exemplar
-	20, // 20: opentelemetry.proto.metrics.v1.HistogramDataPoint.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	15, // 21: opentelemetry.proto.metrics.v1.HistogramDataPoint.exemplars:type_name -> opentelemetry.proto.metrics.v1.Exemplar
-	20, // 22: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	16, // 23: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.positive:type_name -> opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.Buckets
-	16, // 24: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.negative:type_name -> opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.Buckets
-	15, // 25: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.exemplars:type_name -> opentelemetry.proto.metrics.v1.Exemplar
-	20, // 26: opentelemetry.proto.metrics.v1.SummaryDataPoint.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	17, // 27: opentelemetry.proto.metrics.v1.SummaryDataPoint.quantile_values:type_name -> opentelemetry.proto.metrics.v1.SummaryDataPoint.ValueAtQuantile
-	20, // 28: opentelemetry.proto.metrics.v1.Exemplar.filtered_attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	29, // [29:29] is the sub-list for method output_type
-	29, // [29:29] is the sub-list for method input_type
-	29, // [29:29] is the sub-list for extension type_name
-	29, // [29:29] is the sub-list for extension extendee
-	0,  // [0:29] is the sub-list for field type_name
+	19, // 1: opentelemetry.proto.metrics.v1.ResourceMetrics.resource:type_name -> opentelemetry.proto.resource.v1.Resource
+	4,  // 2: opentelemetry.proto.metrics.v1.ResourceMetrics.scope_metrics:type_name -> opentelemetry.proto.metrics.v1.ScopeMetrics
+	5,  // 3: opentelemetry.proto.metrics.v1.ResourceMetrics.instrumentation_library_metrics:type_name -> opentelemetry.proto.metrics.v1.InstrumentationLibraryMetrics
+	20, // 4: opentelemetry.proto.metrics.v1.ScopeMetrics.scope:type_name -> opentelemetry.proto.common.v1.InstrumentationScope
+	6,  // 5: opentelemetry.proto.metrics.v1.ScopeMetrics.metrics:type_name -> opentelemetry.proto.metrics.v1.Metric
+	21, // 6: opentelemetry.proto.metrics.v1.InstrumentationLibraryMetrics.instrumentation_library:type_name -> opentelemetry.proto.common.v1.InstrumentationLibrary
+	6,  // 7: opentelemetry.proto.metrics.v1.InstrumentationLibraryMetrics.metrics:type_name -> opentelemetry.proto.metrics.v1.Metric
+	7,  // 8: opentelemetry.proto.metrics.v1.Metric.gauge:type_name -> opentelemetry.proto.metrics.v1.Gauge
+	8,  // 9: opentelemetry.proto.metrics.v1.Metric.sum:type_name -> opentelemetry.proto.metrics.v1.Sum
+	9,  // 10: opentelemetry.proto.metrics.v1.Metric.histogram:type_name -> opentelemetry.proto.metrics.v1.Histogram
+	10, // 11: opentelemetry.proto.metrics.v1.Metric.exponential_histogram:type_name -> opentelemetry.proto.metrics.v1.ExponentialHistogram
+	11, // 12: opentelemetry.proto.metrics.v1.Metric.summary:type_name -> opentelemetry.proto.metrics.v1.Summary
+	12, // 13: opentelemetry.proto.metrics.v1.Gauge.data_points:type_name -> opentelemetry.proto.metrics.v1.NumberDataPoint
+	12, // 14: opentelemetry.proto.metrics.v1.Sum.data_points:type_name -> opentelemetry.proto.metrics.v1.NumberDataPoint
+	0,  // 15: opentelemetry.proto.metrics.v1.Sum.aggregation_temporality:type_name -> opentelemetry.proto.metrics.v1.AggregationTemporality
+	13, // 16: opentelemetry.proto.metrics.v1.Histogram.data_points:type_name -> opentelemetry.proto.metrics.v1.HistogramDataPoint
+	0,  // 17: opentelemetry.proto.metrics.v1.Histogram.aggregation_temporality:type_name -> opentelemetry.proto.metrics.v1.AggregationTemporality
+	14, // 18: opentelemetry.proto.metrics.v1.ExponentialHistogram.data_points:type_name -> opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint
+	0,  // 19: opentelemetry.proto.metrics.v1.ExponentialHistogram.aggregation_temporality:type_name -> opentelemetry.proto.metrics.v1.AggregationTemporality
+	15, // 20: opentelemetry.proto.metrics.v1.Summary.data_points:type_name -> opentelemetry.proto.metrics.v1.SummaryDataPoint
+	22, // 21: opentelemetry.proto.metrics.v1.NumberDataPoint.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	16, // 22: opentelemetry.proto.metrics.v1.NumberDataPoint.exemplars:type_name -> opentelemetry.proto.metrics.v1.Exemplar
+	22, // 23: opentelemetry.proto.metrics.v1.HistogramDataPoint.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	16, // 24: opentelemetry.proto.metrics.v1.HistogramDataPoint.exemplars:type_name -> opentelemetry.proto.metrics.v1.Exemplar
+	22, // 25: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	17, // 26: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.positive:type_name -> opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.Buckets
+	17, // 27: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.negative:type_name -> opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.Buckets
+	16, // 28: opentelemetry.proto.metrics.v1.ExponentialHistogramDataPoint.exemplars:type_name -> opentelemetry.proto.metrics.v1.Exemplar
+	22, // 29: opentelemetry.proto.metrics.v1.SummaryDataPoint.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	18, // 30: opentelemetry.proto.metrics.v1.SummaryDataPoint.quantile_values:type_name -> opentelemetry.proto.metrics.v1.SummaryDataPoint.ValueAtQuantile
+	22, // 31: opentelemetry.proto.metrics.v1.Exemplar.filtered_attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	32, // [32:32] is the sub-list for method output_type
+	32, // [32:32] is the sub-list for method input_type
+	32, // [32:32] is the sub-list for extension type_name
+	32, // [32:32] is the sub-list for extension extendee
+	0,  // [0:32] is the sub-list for field type_name
 }
 
 func init() { file_opentelemetry_proto_metrics_v1_metrics_proto_init() }
@@ -2221,7 +2356,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*InstrumentationLibraryMetrics); i {
+			switch v := v.(*ScopeMetrics); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2233,7 +2368,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Metric); i {
+			switch v := v.(*InstrumentationLibraryMetrics); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2245,7 +2380,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Gauge); i {
+			switch v := v.(*Metric); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2257,7 +2392,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Sum); i {
+			switch v := v.(*Gauge); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2269,7 +2404,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Histogram); i {
+			switch v := v.(*Sum); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2281,7 +2416,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ExponentialHistogram); i {
+			switch v := v.(*Histogram); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2293,7 +2428,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Summary); i {
+			switch v := v.(*ExponentialHistogram); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2305,7 +2440,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*NumberDataPoint); i {
+			switch v := v.(*Summary); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2317,7 +2452,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HistogramDataPoint); i {
+			switch v := v.(*NumberDataPoint); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2329,7 +2464,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ExponentialHistogramDataPoint); i {
+			switch v := v.(*HistogramDataPoint); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2341,7 +2476,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SummaryDataPoint); i {
+			switch v := v.(*ExponentialHistogramDataPoint); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2353,7 +2488,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Exemplar); i {
+			switch v := v.(*SummaryDataPoint); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2365,7 +2500,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ExponentialHistogramDataPoint_Buckets); i {
+			switch v := v.(*Exemplar); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2377,6 +2512,18 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ExponentialHistogramDataPoint_Buckets); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SummaryDataPoint_ValueAtQuantile); i {
 			case 0:
 				return &v.state
@@ -2389,18 +2536,19 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			}
 		}
 	}
-	file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[3].OneofWrappers = []interface{}{
+	file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[4].OneofWrappers = []interface{}{
 		(*Metric_Gauge)(nil),
 		(*Metric_Sum)(nil),
 		(*Metric_Histogram)(nil),
 		(*Metric_ExponentialHistogram)(nil),
 		(*Metric_Summary)(nil),
 	}
-	file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[9].OneofWrappers = []interface{}{
+	file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[10].OneofWrappers = []interface{}{
 		(*NumberDataPoint_AsDouble)(nil),
 		(*NumberDataPoint_AsInt)(nil),
 	}
-	file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[13].OneofWrappers = []interface{}{
+	file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[11].OneofWrappers = []interface{}{}
+	file_opentelemetry_proto_metrics_v1_metrics_proto_msgTypes[14].OneofWrappers = []interface{}{
 		(*Exemplar_AsDouble)(nil),
 		(*Exemplar_AsInt)(nil),
 	}
@@ -2410,7 +2558,7 @@ func file_opentelemetry_proto_metrics_v1_metrics_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_opentelemetry_proto_metrics_v1_metrics_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   16,
+			NumMessages:   17,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/otlp/trace/v1/trace.pb.go b/otlp/trace/v1/trace.pb.go
index 4c14501..fcd6beb 100644
--- a/otlp/trace/v1/trace.pb.go
+++ b/otlp/trace/v1/trace.pb.go
@@ -107,7 +107,7 @@ func (x Span_SpanKind) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Span_SpanKind.Descriptor instead.
 func (Span_SpanKind) EnumDescriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{3, 0}
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{4, 0}
 }
 
 // For the semantics of status codes see
@@ -162,7 +162,7 @@ func (x Status_StatusCode) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Status_StatusCode.Descriptor instead.
 func (Status_StatusCode) EnumDescriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{4, 0}
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{5, 0}
 }
 
 // TracesData represents the traces data that can be stored in a persistent storage,
@@ -227,7 +227,7 @@ func (x *TracesData) GetResourceSpans() []*ResourceSpans {
 	return nil
 }
 
-// A collection of InstrumentationLibrarySpans from a Resource.
+// A collection of ScopeSpans from a Resource.
 type ResourceSpans struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -236,11 +236,40 @@ type ResourceSpans struct {
 	// The resource for the spans in this message.
 	// If this field is not set then no resource info is known.
 	Resource *v1.Resource `protobuf:"bytes,1,opt,name=resource,proto3" json:"resource,omitempty"`
+	// A list of ScopeSpans that originate from a resource.
+	ScopeSpans []*ScopeSpans `protobuf:"bytes,2,rep,name=scope_spans,json=scopeSpans,proto3" json:"scope_spans,omitempty"`
 	// A list of InstrumentationLibrarySpans that originate from a resource.
-	InstrumentationLibrarySpans []*InstrumentationLibrarySpans `protobuf:"bytes,2,rep,name=instrumentation_library_spans,json=instrumentationLibrarySpans,proto3" json:"instrumentation_library_spans,omitempty"`
+	// This field is deprecated and will be removed after grace period expires on June 15, 2022.
+	//
+	// During the grace period the following rules SHOULD be followed:
+	//
+	// For Binary Protobufs
+	// ====================
+	// Binary Protobuf senders SHOULD NOT set instrumentation_library_spans. Instead
+	// scope_spans SHOULD be set.
+	//
+	// Binary Protobuf receivers SHOULD check if instrumentation_library_spans is set
+	// and scope_spans is not set then the value in instrumentation_library_spans
+	// SHOULD be used instead by converting InstrumentationLibrarySpans into ScopeSpans.
+	// If scope_spans is set then instrumentation_library_spans SHOULD be ignored.
+	//
+	// For JSON
+	// ========
+	// JSON senders that set instrumentation_library_spans field MAY also set
+	// scope_spans to carry the same spans, essentially double-publishing the same data.
+	// Such double-publishing MAY be controlled by a user-settable option.
+	// If double-publishing is not used then the senders SHOULD set scope_spans and
+	// SHOULD NOT set instrumentation_library_spans.
+	//
+	// JSON receivers SHOULD check if instrumentation_library_spans is set and
+	// scope_spans is not set then the value in instrumentation_library_spans
+	// SHOULD be used instead by converting InstrumentationLibrarySpans into ScopeSpans.
+	// If scope_spans is set then instrumentation_library_spans field SHOULD be ignored.
+	//
+	// Deprecated: Do not use.
+	InstrumentationLibrarySpans []*InstrumentationLibrarySpans `protobuf:"bytes,1000,rep,name=instrumentation_library_spans,json=instrumentationLibrarySpans,proto3" json:"instrumentation_library_spans,omitempty"`
 	// This schema_url applies to the data in the "resource" field. It does not apply
-	// to the data in the "instrumentation_library_spans" field which have their own
-	// schema_url field.
+	// to the data in the "scope_spans" field which have their own schema_url field.
 	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
 }
 
@@ -283,6 +312,14 @@ func (x *ResourceSpans) GetResource() *v1.Resource {
 	return nil
 }
 
+func (x *ResourceSpans) GetScopeSpans() []*ScopeSpans {
+	if x != nil {
+		return x.ScopeSpans
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
 func (x *ResourceSpans) GetInstrumentationLibrarySpans() []*InstrumentationLibrarySpans {
 	if x != nil {
 		return x.InstrumentationLibrarySpans
@@ -297,7 +334,81 @@ func (x *ResourceSpans) GetSchemaUrl() string {
 	return ""
 }
 
+// A collection of Spans produced by an InstrumentationScope.
+type ScopeSpans struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The instrumentation scope information for the spans in this message.
+	// Semantically when InstrumentationScope isn't set, it is equivalent with
+	// an empty instrumentation scope name (unknown).
+	Scope *v11.InstrumentationScope `protobuf:"bytes,1,opt,name=scope,proto3" json:"scope,omitempty"`
+	// A list of Spans that originate from an instrumentation scope.
+	Spans []*Span `protobuf:"bytes,2,rep,name=spans,proto3" json:"spans,omitempty"`
+	// This schema_url applies to all spans and span events in the "spans" field.
+	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
+}
+
+func (x *ScopeSpans) Reset() {
+	*x = ScopeSpans{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ScopeSpans) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ScopeSpans) ProtoMessage() {}
+
+func (x *ScopeSpans) ProtoReflect() protoreflect.Message {
+	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ScopeSpans.ProtoReflect.Descriptor instead.
+func (*ScopeSpans) Descriptor() ([]byte, []int) {
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *ScopeSpans) GetScope() *v11.InstrumentationScope {
+	if x != nil {
+		return x.Scope
+	}
+	return nil
+}
+
+func (x *ScopeSpans) GetSpans() []*Span {
+	if x != nil {
+		return x.Spans
+	}
+	return nil
+}
+
+func (x *ScopeSpans) GetSchemaUrl() string {
+	if x != nil {
+		return x.SchemaUrl
+	}
+	return ""
+}
+
 // A collection of Spans produced by an InstrumentationLibrary.
+// InstrumentationLibrarySpans is wire-compatible with ScopeSpans for binary
+// Protobuf format.
+// This message is deprecated and will be removed on June 15, 2022.
+//
+// Deprecated: Do not use.
 type InstrumentationLibrarySpans struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -316,7 +427,7 @@ type InstrumentationLibrarySpans struct {
 func (x *InstrumentationLibrarySpans) Reset() {
 	*x = InstrumentationLibrarySpans{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[2]
+		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -329,7 +440,7 @@ func (x *InstrumentationLibrarySpans) String() string {
 func (*InstrumentationLibrarySpans) ProtoMessage() {}
 
 func (x *InstrumentationLibrarySpans) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[2]
+	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -342,7 +453,7 @@ func (x *InstrumentationLibrarySpans) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InstrumentationLibrarySpans.ProtoReflect.Descriptor instead.
 func (*InstrumentationLibrarySpans) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{2}
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *InstrumentationLibrarySpans) GetInstrumentationLibrary() *v11.InstrumentationLibrary {
@@ -471,7 +582,7 @@ type Span struct {
 func (x *Span) Reset() {
 	*x = Span{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[3]
+		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -484,7 +595,7 @@ func (x *Span) String() string {
 func (*Span) ProtoMessage() {}
 
 func (x *Span) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[3]
+	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -497,7 +608,7 @@ func (x *Span) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Span.ProtoReflect.Descriptor instead.
 func (*Span) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{3}
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *Span) GetTraceId() []byte {
@@ -621,7 +732,7 @@ type Status struct {
 func (x *Status) Reset() {
 	*x = Status{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[4]
+		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -634,7 +745,7 @@ func (x *Status) String() string {
 func (*Status) ProtoMessage() {}
 
 func (x *Status) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[4]
+	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -647,7 +758,7 @@ func (x *Status) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Status.ProtoReflect.Descriptor instead.
 func (*Status) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{4}
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *Status) GetMessage() string {
@@ -688,7 +799,7 @@ type Span_Event struct {
 func (x *Span_Event) Reset() {
 	*x = Span_Event{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[5]
+		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -701,7 +812,7 @@ func (x *Span_Event) String() string {
 func (*Span_Event) ProtoMessage() {}
 
 func (x *Span_Event) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[5]
+	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -714,7 +825,7 @@ func (x *Span_Event) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Span_Event.ProtoReflect.Descriptor instead.
 func (*Span_Event) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{3, 0}
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{4, 0}
 }
 
 func (x *Span_Event) GetTimeUnixNano() uint64 {
@@ -773,7 +884,7 @@ type Span_Link struct {
 func (x *Span_Link) Reset() {
 	*x = Span_Link{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[6]
+		mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -786,7 +897,7 @@ func (x *Span_Link) String() string {
 func (*Span_Link) ProtoMessage() {}
 
 func (x *Span_Link) ProtoReflect() protoreflect.Message {
-	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[6]
+	mi := &file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -799,7 +910,7 @@ func (x *Span_Link) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Span_Link.ProtoReflect.Descriptor instead.
 func (*Span_Link) Descriptor() ([]byte, []int) {
-	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{3, 1}
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{4, 1}
 }
 
 func (x *Span_Link) GetTraceId() []byte {
@@ -856,137 +967,153 @@ var file_opentelemetry_proto_trace_v1_trace_proto_rawDesc = []byte{
 	0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 	0x2e, 0x74, 0x72, 0x61, 0x63, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72,
 	0x63, 0x65, 0x53, 0x70, 0x61, 0x6e, 0x73, 0x52, 0x0d, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63,
-	0x65, 0x53, 0x70, 0x61, 0x6e, 0x73, 0x22, 0xf4, 0x01, 0x0a, 0x0d, 0x52, 0x65, 0x73, 0x6f, 0x75,
+	0x65, 0x53, 0x70, 0x61, 0x6e, 0x73, 0x22, 0xc5, 0x02, 0x0a, 0x0d, 0x52, 0x65, 0x73, 0x6f, 0x75,
 	0x72, 0x63, 0x65, 0x53, 0x70, 0x61, 0x6e, 0x73, 0x12, 0x45, 0x0a, 0x08, 0x72, 0x65, 0x73, 0x6f,
 	0x75, 0x72, 0x63, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x29, 0x2e, 0x6f, 0x70, 0x65,
 	0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 	0x2e, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x52, 0x65, 0x73,
 	0x6f, 0x75, 0x72, 0x63, 0x65, 0x52, 0x08, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x12,
-	0x7d, 0x0a, 0x1d, 0x69, 0x6e, 0x73, 0x74, 0x72, 0x75, 0x6d, 0x65, 0x6e, 0x74, 0x61, 0x74, 0x69,
-	0x6f, 0x6e, 0x5f, 0x6c, 0x69, 0x62, 0x72, 0x61, 0x72, 0x79, 0x5f, 0x73, 0x70, 0x61, 0x6e, 0x73,
-	0x18, 0x02, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x39, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c,
-	0x65, 0x6d, 0x65, 0x74, 0x72, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x74, 0x72, 0x61,
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+	0x1f, 0x69, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72,
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+	0x67, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79,
+	0x2e, 0x69, 0x6f, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x6f, 0x74, 0x6c, 0x70, 0x2f, 0x74,
+	0x72, 0x61, 0x63, 0x65, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1002,40 +1129,45 @@ func file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP() []byte {
 }
 
 var file_opentelemetry_proto_trace_v1_trace_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_opentelemetry_proto_trace_v1_trace_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_opentelemetry_proto_trace_v1_trace_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_opentelemetry_proto_trace_v1_trace_proto_goTypes = []interface{}{
 	(Span_SpanKind)(0),                  // 0: opentelemetry.proto.trace.v1.Span.SpanKind
 	(Status_StatusCode)(0),              // 1: opentelemetry.proto.trace.v1.Status.StatusCode
 	(*TracesData)(nil),                  // 2: opentelemetry.proto.trace.v1.TracesData
 	(*ResourceSpans)(nil),               // 3: opentelemetry.proto.trace.v1.ResourceSpans
-	(*InstrumentationLibrarySpans)(nil), // 4: opentelemetry.proto.trace.v1.InstrumentationLibrarySpans
-	(*Span)(nil),                        // 5: opentelemetry.proto.trace.v1.Span
-	(*Status)(nil),                      // 6: opentelemetry.proto.trace.v1.Status
-	(*Span_Event)(nil),                  // 7: opentelemetry.proto.trace.v1.Span.Event
-	(*Span_Link)(nil),                   // 8: opentelemetry.proto.trace.v1.Span.Link
-	(*v1.Resource)(nil),                 // 9: opentelemetry.proto.resource.v1.Resource
-	(*v11.InstrumentationLibrary)(nil),  // 10: opentelemetry.proto.common.v1.InstrumentationLibrary
-	(*v11.KeyValue)(nil),                // 11: opentelemetry.proto.common.v1.KeyValue
+	(*ScopeSpans)(nil),                  // 4: opentelemetry.proto.trace.v1.ScopeSpans
+	(*InstrumentationLibrarySpans)(nil), // 5: opentelemetry.proto.trace.v1.InstrumentationLibrarySpans
+	(*Span)(nil),                        // 6: opentelemetry.proto.trace.v1.Span
+	(*Status)(nil),                      // 7: opentelemetry.proto.trace.v1.Status
+	(*Span_Event)(nil),                  // 8: opentelemetry.proto.trace.v1.Span.Event
+	(*Span_Link)(nil),                   // 9: opentelemetry.proto.trace.v1.Span.Link
+	(*v1.Resource)(nil),                 // 10: opentelemetry.proto.resource.v1.Resource
+	(*v11.InstrumentationScope)(nil),    // 11: opentelemetry.proto.common.v1.InstrumentationScope
+	(*v11.InstrumentationLibrary)(nil),  // 12: opentelemetry.proto.common.v1.InstrumentationLibrary
+	(*v11.KeyValue)(nil),                // 13: opentelemetry.proto.common.v1.KeyValue
 }
 var file_opentelemetry_proto_trace_v1_trace_proto_depIdxs = []int32{
 	3,  // 0: opentelemetry.proto.trace.v1.TracesData.resource_spans:type_name -> opentelemetry.proto.trace.v1.ResourceSpans
-	9,  // 1: opentelemetry.proto.trace.v1.ResourceSpans.resource:type_name -> opentelemetry.proto.resource.v1.Resource
-	4,  // 2: opentelemetry.proto.trace.v1.ResourceSpans.instrumentation_library_spans:type_name -> opentelemetry.proto.trace.v1.InstrumentationLibrarySpans
-	10, // 3: opentelemetry.proto.trace.v1.InstrumentationLibrarySpans.instrumentation_library:type_name -> opentelemetry.proto.common.v1.InstrumentationLibrary
-	5,  // 4: opentelemetry.proto.trace.v1.InstrumentationLibrarySpans.spans:type_name -> opentelemetry.proto.trace.v1.Span
-	0,  // 5: opentelemetry.proto.trace.v1.Span.kind:type_name -> opentelemetry.proto.trace.v1.Span.SpanKind
-	11, // 6: opentelemetry.proto.trace.v1.Span.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	7,  // 7: opentelemetry.proto.trace.v1.Span.events:type_name -> opentelemetry.proto.trace.v1.Span.Event
-	8,  // 8: opentelemetry.proto.trace.v1.Span.links:type_name -> opentelemetry.proto.trace.v1.Span.Link
-	6,  // 9: opentelemetry.proto.trace.v1.Span.status:type_name -> opentelemetry.proto.trace.v1.Status
-	1,  // 10: opentelemetry.proto.trace.v1.Status.code:type_name -> opentelemetry.proto.trace.v1.Status.StatusCode
-	11, // 11: opentelemetry.proto.trace.v1.Span.Event.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	11, // 12: opentelemetry.proto.trace.v1.Span.Link.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	13, // [13:13] is the sub-list for method output_type
-	13, // [13:13] is the sub-list for method input_type
-	13, // [13:13] is the sub-list for extension type_name
-	13, // [13:13] is the sub-list for extension extendee
-	0,  // [0:13] is the sub-list for field type_name
+	10, // 1: opentelemetry.proto.trace.v1.ResourceSpans.resource:type_name -> opentelemetry.proto.resource.v1.Resource
+	4,  // 2: opentelemetry.proto.trace.v1.ResourceSpans.scope_spans:type_name -> opentelemetry.proto.trace.v1.ScopeSpans
+	5,  // 3: opentelemetry.proto.trace.v1.ResourceSpans.instrumentation_library_spans:type_name -> opentelemetry.proto.trace.v1.InstrumentationLibrarySpans
+	11, // 4: opentelemetry.proto.trace.v1.ScopeSpans.scope:type_name -> opentelemetry.proto.common.v1.InstrumentationScope
+	6,  // 5: opentelemetry.proto.trace.v1.ScopeSpans.spans:type_name -> opentelemetry.proto.trace.v1.Span
+	12, // 6: opentelemetry.proto.trace.v1.InstrumentationLibrarySpans.instrumentation_library:type_name -> opentelemetry.proto.common.v1.InstrumentationLibrary
+	6,  // 7: opentelemetry.proto.trace.v1.InstrumentationLibrarySpans.spans:type_name -> opentelemetry.proto.trace.v1.Span
+	0,  // 8: opentelemetry.proto.trace.v1.Span.kind:type_name -> opentelemetry.proto.trace.v1.Span.SpanKind
+	13, // 9: opentelemetry.proto.trace.v1.Span.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	8,  // 10: opentelemetry.proto.trace.v1.Span.events:type_name -> opentelemetry.proto.trace.v1.Span.Event
+	9,  // 11: opentelemetry.proto.trace.v1.Span.links:type_name -> opentelemetry.proto.trace.v1.Span.Link
+	7,  // 12: opentelemetry.proto.trace.v1.Span.status:type_name -> opentelemetry.proto.trace.v1.Status
+	1,  // 13: opentelemetry.proto.trace.v1.Status.code:type_name -> opentelemetry.proto.trace.v1.Status.StatusCode
+	13, // 14: opentelemetry.proto.trace.v1.Span.Event.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	13, // 15: opentelemetry.proto.trace.v1.Span.Link.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	16, // [16:16] is the sub-list for method output_type
+	16, // [16:16] is the sub-list for method input_type
+	16, // [16:16] is the sub-list for extension type_name
+	16, // [16:16] is the sub-list for extension extendee
+	0,  // [0:16] is the sub-list for field type_name
 }
 
 func init() { file_opentelemetry_proto_trace_v1_trace_proto_init() }
@@ -1069,7 +1201,7 @@ func file_opentelemetry_proto_trace_v1_trace_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*InstrumentationLibrarySpans); i {
+			switch v := v.(*ScopeSpans); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1081,7 +1213,7 @@ func file_opentelemetry_proto_trace_v1_trace_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Span); i {
+			switch v := v.(*InstrumentationLibrarySpans); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1093,7 +1225,7 @@ func file_opentelemetry_proto_trace_v1_trace_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Status); i {
+			switch v := v.(*Span); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1105,7 +1237,7 @@ func file_opentelemetry_proto_trace_v1_trace_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Span_Event); i {
+			switch v := v.(*Status); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1117,6 +1249,18 @@ func file_opentelemetry_proto_trace_v1_trace_proto_init() {
 			}
 		}
 		file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Span_Event); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_opentelemetry_proto_trace_v1_trace_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Span_Link); i {
 			case 0:
 				return &v.state
@@ -1135,7 +1279,7 @@ func file_opentelemetry_proto_trace_v1_trace_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_opentelemetry_proto_trace_v1_trace_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   7,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   0,
 		},