HPACK: Header Compression for HTTP/2

21 July, 2019

Table of Contents

1. Introduction

2. Compression Process Overview

3. Header Block Decoding

3.1. Header Block Processing
3.2. Header Field Representation Processing

4. Dynamic Table Management

4.1. Calculating Table Size
4.2. Maximum Table Size
4.3. Entry Eviction When Dynamic Table Size Changes
4.4. Entry Eviction When Adding New Entries

5. Primitive Type Representations

5.1. Integer Representation
5.2. String Literal Representation

6. Binary Format

6.1. Indexed Header Field Representation
6.2. Literal Header Field Representation
6.2.1. Literal Header Field with Incremental Indexing
6.2.2. Literal Header Field without Indexing
6.2.3. Literal Header Field Never Indexed
6.3. Dynamic Table Size Update

7. Security Considerations

8. References

这一章都是引用的论文，所以就不翻译了。

8.1. Normative References
8.2. Informative References

Appendix A. Static Table Definition

Appendix B. Huffman Code

Appendix C. Examples

C.1. Integer Representation Examples
C.1.1. Example 1: Encoding 10 Using a 5-Bit Prefix
C.1.2. Example 2: Encoding 1337 Using a 5-Bit Prefix
C.1.3. Example 3: Encoding 42 Starting at an Octet Boundary
C.2. Header Field Representation Examples
C.2.1. Literal Header Field with Indexing
C.2.2. Literal Header Field without Indexing
C.2.3. Literal Header Field Never Indexed
C.2.4. Indexed Header Field
C.3. Request Examples without Huffman Coding
C.3.1. First Request
C.3.2. Second Request
C.3.3. Third Request
C.4. Request Examples with Huffman Coding
C.4.1. First Request
C.4.2. Second Request
C.4.3. Third Request
C.5. Response Examples without Huffman Coding
C.5.1. First Response
C.5.2. Second Response
C.5.3. Third Response
C.6. Response Examples with Huffman Coding
C.6.1. First Response
C.6.2. Second Response
C.6.3. Third Response

Reference：

GitHub Repo：Halfrost-Field

Follow: halfrost · GitHub

Source: https://halfrost.com/http2_rfc7541/