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A comment on Announcing gRPC Support in Nginx. Parent comment

Re:Announcing gRPC Support in Nginx by tilpner on Sunday March 18, 2018 @01:40PM (#16613110)
https://google.github.io/flatbuffers/ and https://capnproto.org/ are both successors to protobuf
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Re:Announcing gRPC Support in Nginx by haberman on Sunday March 18, 2018 @02:11PM (#16613312)
I don't think they are successors, just different. Protobuf is a sparse wire format, whereas FlatBuffers and Cap'n Proto use a fixed-layout wire format. There are plusses and minuses to both. I wrote a little bit about this here: https://news.ycombinator.com/item?id=6329041#6330426

(Disclosure: I work at Google on the protobuf team)

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Re:Announcing gRPC Support in Nginx by jkaplowitz on Sunday March 18, 2018 @01:45PM (#16613145)
gRPC uses Protobuf version 3. Both it and CapnProto are successors to Protobuf version 2. Flatbuffers is not a successor but is targeted at a different use case.
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