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    Thrift supports container types list, set and map. They also support constants. This is not supported by Protocol Buffers.
    

    I think you missed something. Repeated fields have been in protos forever, map types are in proto3 (required by gRPC) and enums are built-in constants.

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      Oh, wow. I didn’t know about this. Thanks for pointing this out.

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      Curious that jsonrpc wasn’t evaluated. I would think that it was more popular than RPyC, at any rate.

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        Thanks. I will check it out - didn’t know about it. Someone mentioned they had used RPyC when I was checking out gRPC.