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Impressive effort. I’m sure you looked at it, so I’m curious why not use gRPC? To avoid HTTP?

I've looked at all of the protocols out there, and the short reason list is one or more of:

* they're too chatty.

* They waste too much on overhead.

* their bidirectional support is poor.

* Their asynchronous support is poor.

* They can't multiplex across multiple connections.