//Example of connection syntax = "proto3"; package connection; import "google/protobuf/empty.proto"; service ConnectionServiceWithNotif { rpc CreateConnection (Connection) returns (google.protobuf.Empty) {} rpc ListConnection (google.protobuf.Empty) returns (ConnectionList) {} rpc GetBer(Connection) returns (stream Ber) {} } message Ber { double value = 1; } message Connection { string connectionId = 1; string sourceNode = 2; string targetNode = 3; string sourcePort = 4; string targetPort = 5; uint32 bandwidth = 6; enum LayerProtocolName { ETH = 0; OPTICAL = 1; } LayerProtocolName layerProtocolName = 7; } message ConnectionList { repeated Connection connection = 1; }