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Would you recommend Google Protocol Buffers or Caucho Hessian for a cross-language over-the-wire binary format? Or anything else, for that matter - Facebook Thrift for example?
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What are protocol buffers? Protocol buffers are Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data – think XML, but smaller, faster, and simpler.
When using Protobuf on a non-compressed environment, the requests took 78% less time than the JSON requests. This shows that the binary format performed almost 5 times faster than the text format. And, when issuing these requests on a compressed environment, the difference was even bigger.
Protocol Buffer, a.k.a. Protobuf Protobuf is the most commonly used IDL (Interface Definition Language) for gRPC. It's where you basically store your data and function contracts in the form of a proto file.
We use Caucho Hessian because of the reduced integration costs and simplicity. It's performance is very good, so it's perfect for most cases.
For a few apps where cross-language integration is not that important, there's an even faster library that can squeeze even more performance called Kryo. Unfortunately it's not that widely used, and it's protocol is not quasi-standard like the one from Hessian.
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