Proceedings of Hotos Ix: the 9th Workshop on Hot Topics in Operating Systems Hotos Ix: the 9th Workshop on Hot Topics in Operating Systems Tcp Offload Is a Dumb Idea Whose Time Has Come
Proceedings of Hotos Ix: the 9th Workshop on Hot Topics in Operating Systems Hotos Ix: the 9th Workshop on Hot Topics in Operating Systems Tcp Offload Is a Dumb Idea Whose Time Has Come
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Hotos Ix：第九届操作系统热点研讨会论文集 Hotos Ix：第九届操作系统热点研讨会 Tcp Offload 是一个愚蠢的想法，时机已到
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J. Mogul
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作者：
J. Mogul
网络接口实现者已经多次尝试从主机CPU卸载TCP处理。这些努力收效甚微，因为它们建立在错误的前提之上。TCP卸载本身既没有多少总体好处，也没有很大的成本和风险。但是，TCP卸载服务于非常特定的目标实际上可能是有用的。在通过商品化网络硬件替换特定于存储的互连的上下文中，TCP卸载（更一般地说，卸载传输协议）适当地解决了一个重要问题。
Network interface implementors have repeatedly attempted to offload TCP processing from the host CPU. These efforts met with little success, because they were based on faulty premises. TCP offload per se is neither of much overall benefit nor free from significant costs and risks. But TCP offload in the service of very specific goals might actually be useful. In the context of the replacement of storage-specific interconnect via commod-itized network hardware, TCP offload (and more generally , offloading the transport protocol) appropriately solves an important problem.