摘要

本规范描述了超文本传输协议(HTTP)语义的优化,即 HTTP/2。HTTP/2 通过引入报头字段压缩以及多路复用来更有效的利用网络资源,以降低感知延迟,HTTP/2 还引入服务器主动推送功能。

本规范只是针对 HTTP/1.1 的一种可选方案,保持对 HTTP/1.1 的向后兼容,HTTP 的现有语义保持不变。

本文档的状态

这是一个 Internet Standards Track 文档。

这个文档是 Internet Engineering Task Force (IETF) 的产物,代表了 IETF 社区的一致意见。本文档已经接受过公开审核,并已被 Internet Engineering Steering Group (IESG) 批准进行公开发表。关于 Internet Standards 的进一步信息,在 RFC5741 的第2节中进行详述。

有关本文档的最新状态、勘误表,以及提供反馈信息,请移步 http://www.rfc-editor.org/info/rfc7540

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