Does gRPC Support QUIC as a Transport Protocol？

[YC Xing]

Hi，

We are exploring ways to replace gRPC's underlying transport protocol from TCP to QUIC to reduce the initial packet latency. However, we haven't found any relevant implementation examples or case studies. Does gRPC currently support this use case?

Could you kindly clarify:

1. Whether gRPC (especially gRPC-Java) officially supports QUIC or HTTP/3 as a transport protocol today?
2. If not, are there any recommended for this use case?

Thank you for your time and support!

Best regards

[Kannan Jayaprakasam]

For mobile use cases, HTTP/3 can be used via Cronet in gRPC Java. For non-mobile, it is not yet supported. Please follow this thread for any updates.

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