RFC 9114 - HTTP/3

发布日期: 2022年6月
状态: 标准跟踪协议 (Standards Track)
作者: M. Bishop (Editor), Akamai
ISSN: 2070-1721

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摘要 (Abstract)

QUIC传输协议具有多个对HTTP传输而言非常理想的特性，例如流多路复用 (Stream Multiplexing)、每流流量控制 (Per-Stream Flow Control) 和低延迟连接建立 (Low-Latency Connection Establishment)。本文档描述了HTTP语义在QUIC上的映射。本文档还识别了被QUIC取代的HTTP/2特性，并描述了如何将HTTP/2扩展移植到HTTP/3。

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本备忘录的状态 (Status of This Memo)

这是一份互联网标准跟踪文档。

本文档是互联网工程任务组 (IETF) 的产品。它代表了IETF社区的共识。本文档已经过公开审查，并已获得互联网工程指导组 (IESG) 批准发布。有关互联网标准的更多信息，请参见RFC 7841第2节。

有关本文档的当前状态、勘误表以及如何提供反馈的信息，请访问 https://www.rfc-editor.org/info/rfc9114。

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目录 (Table of Contents)

主要章节

• 1. Introduction (简介)

  • 1.1. Prior Versions of HTTP
  • 1.2. Delegation to QUIC

• 2. HTTP/3 Protocol Overview (HTTP/3协议概述)

  • 2.1. Document Organization
  • 2.2. Conventions and Terminology

• 3. Connection Setup and Management (连接建立与管理)

  • 3.1. Discovering an HTTP/3 Endpoint
  • 3.2. Connection Establishment
  • 3.3. Connection Reuse

• 4. Expressing HTTP Semantics in HTTP/3 (在HTTP/3中表达HTTP语义)

  • 4.1. HTTP Message Framing
  • 4.2. HTTP Fields
  • 4.3. HTTP Control Data
  • 4.4. The CONNECT Method
  • 4.5. HTTP Upgrade
  • 4.6. Server Push

• 5. Connection Closure (连接关闭)

  • 5.1. Idle Connections
  • 5.2. Connection Shutdown
  • 5.3. Immediate Application Closure
  • 5.4. Transport Closure

• 6. Stream Mapping and Usage (流映射与使用)

  • 6.1. Bidirectional Streams
  • 6.2. Unidirectional Streams

• 7. HTTP Framing Layer (HTTP帧层)

  • 7.1. Frame Layout
  • 7.2. Frame Definitions

• 8. Error Handling (错误处理)

  • 8.1. HTTP/3 Error Codes

• 9. Extensions to HTTP/3 (HTTP/3扩展)

• 10. Security Considerations (安全考虑)

  • 10.1. Server Authority
  • 10.2. Cross-Protocol Attacks
  • 10.3. Intermediary-Encapsulation Attacks
  • 10.4. Cacheability of Pushed Responses
  • 10.5. Denial-of-Service Considerations
  • 10.6. Use of Compression
  • 10.7. Padding and Traffic Analysis
  • 10.8. Frame Parsing
  • 10.9. Early Data
  • 10.10. Migration
  • 10.11. Privacy Considerations

• 11. IANA Considerations (IANA考虑)

  • 11.1. Registration of HTTP/3 Identification String
  • 11.2. New Registries

• 12. References (参考文献)

  • 12.1. Normative References
  • 12.2. Informative References

附录

• Appendix A. Considerations for Transitioning from HTTP/2 (从HTTP/2过渡的考虑)
  • A.1. Streams
  • A.2. HTTP Frame Types
  • A.3. HTTP/2 SETTINGS Parameters
  • A.4. HTTP/2 Error Codes

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相关资源

• 官方原文: RFC 9114
• 官方页面: RFC 9114 DataTracker
• 勘误表: RFC Editor Errata

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