QUIC support in gRPC

[gust...@gmail.com]

In this presentation Daniel Petersson from Google mentions that Duo is using gRPC over QUIC:

https://www.youtube.com/watch?v=LVQnFzo3xn0

Is that support available in the standard grpc build or is it a private feature?

Thank you

[Penn (Dapeng) Zhang]

We don't have QUIC in the standard grpc build itself yet. However, Cronet has both gRPC and QUIC support. Maybe gRPC over QUIC has been achieved through cronet.

+ lryan@ for the roadmap.

[Kailash Sethuraman]

Hi, 

There are indeed apps such as Duo that are using gRPC over QUIC. They leverage Cronet as the transport. While work has been done to accommodate this, it has not yet been folded into the mainline due to difficulties in compiling cronet. We are working with the folks from cronet to see if this can be simplified and when it is, the intention is to definitely integrate the support (both for android and ios).

You can follow along the issue https://github.com/grpc/grpc-java/issues/1116 for java though there is not much there in terms of updates quite yet.

Thanks!

[Gustavo García]

Perfect.  Thank you very much Kailash and Penn.

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[Craig Tiller]

Do note that Cronet provides the client side, but you'll also need something to terminate QUIC and convert to HTTP2 to talk to any of the mainline gRPC servers.

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