TCP回送连接与Unix域套接字性能 [英] TCP loopback connection vs Unix Domain Socket performance

问题描述

在基于Android和iOS的应用程序上工作，这些应用程序需要与在同一设备上运行的服务器进行通信.当前使用TCP环回连接与App和Server通信(以用户层编写的App，使用Android NDK以C ++编写的服务器)

Working on an Android and iOS based application which require communication with a server running in the same device. Currently using TCP loopback connection for communicating with App and Server (App written in user layer, server written in C++ using Android NDK)

我想知道用Unix Domain套接字替换内部通信是否可以提高性能?

I was wondering if replacing inter communication with Unix Domain socket would improve the performance?

或者总的来说，有什么证据/理论证明Unix域套接字比TCP环回连接具有更好的性能?

Or in-general is there any evidence/theory that proves that Unix Domain socket would give better performance then TCP loopback connection?

推荐答案

是的，由于您的TCP开销较小，因此通过Unix域套接字进行的本地进程间通信应比通过环回本地主机连接进行的通信更快，请参见

Yes, local interprocess communication by unix domain sockets should be faster than communication by loopback localhost connections because you have less TCP overhead, see here.

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