grpc和websocket有什么区别?哪一种更适合双向流连接? [英] What is difference between grpc and websocket? Which one is more suitable for bidirectional streaming connection?

问题描述

我想以双向流方式开发客户端-服务器应用程序.

I want to develop a client-server application in a bi-directional streaming manner.

grpc或websocket哪种更合适的技术呢?

what is more suitable technology for this, grpc or websocket?

推荐答案

gRPC并不是真正值得比较的部分，它是gRPC使用HTTP/2，可以肯定地将其与WebSockets进行比较.

gRPC is not really the relevant part for comparison, it's that gRPC uses HTTP/2 which can certainly be compared to WebSockets.

https://www.infoq.com/articles/websocket-and- http2-coexist

本文对它们进行了很好的概述.本质上，HTTP/2是在后台使用服务器推送的客户端/服务器，因此您可以发出请求，而只需停留在该连接上即可侦听更新，而无需轮询.

This article outlines them quite well. Essentially, HTTP/2 is Client/Server with Server Push on the background, so you can make your request and simply stay on that connection listening for updates without the need for polling, for example.

尽管WebSockets由于HTTP/2而没有消失，但对于围绕让我知道何时发生与我刚做的事情有关的更新"的用例，可能不需要使用它们.

Whilst WebSockets are not going away because of HTTP/2, they might not be considered necessary for use cases that center around "let me know when updates happen related to the thing I just did".

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