protobuf: protobuf (Google's data interchange format) protobuf: protobuf: Protocol Buffers are a way of encoding structured data in an protobuf: efficient yet extensible format. protobuf: Google uses Protocol Buffers for almost all of its internal protobuf: RPC protocols and file formats. protobuf: protobuf: protobuf: protobuf: protobuf home: http://code.google.com/p/protobuf protobuf: