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The inner workings of TCP zero-copy


| comments | tags:TCP performance categories:linux series:english The inner workings of TCP zero-copy TCP zero-copy is a feature of the Linux kernel that makes it possible to send and receive data without incurring an extra copy between kernel memory and the memory buffer that holds the final data (in userspace, or even in the memory of a different device on the system). Copying data adds overhead, so avoiding it is appealing.

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