gRPC, proto3, and HTTP/2

[jdov...@gmail.com]

If I understand it correctly, by default, gRPC will encode messages using the proto3 protocol and will transmit them via HTTP/2.

Is that assessment correct?

TIA

[Christian Svensson]

Messages are serialized via Protobuf v3 and transmitted over HTTP/2 protocol by default, yes.

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[JI Ioannidis]

You need to set up the client and the server with the proper ssl keys. 

I put a simple python example here:  https://github.com/jayeye/grpc/tree/ji/secure-hello/examples/python/helloworld