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HPACK: Header Compression for HTTP/2 (RFC7541)

IP.com Disclosure Number: IPCOM000241598D
Original Publication Date: 2015-May-01
Included in the Prior Art Database: 2015-May-15

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Peon: AUTHOR [+2]

Abstract

In HTTP/1.1 (see [RFC7230]), header fields are not compressed. As web pages have grown to require dozens to hundreds of requests, the redundant header fields in these requests unnecessarily consume bandwidth, measurably increasing latency.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 2% of the total text.

Internet Engineering Task Force (IETF)                           R. Peon Request for Comments: 7541                                   Google, Inc Category: Standards Track                                     H. Ruellan ISSN: 2070-1721                                                Canon CRF                                                                 May 2015

                   HPACK: Header Compression for HTTP/2

Abstract

   This specification defines HPACK, a compression format for    efficiently representing HTTP header fields, to be used in HTTP/2.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7541.

Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Peon & Ruellan               Standards Track                    [Page 1]
 RFC 7541                          HPACK                         May 2015

 Table of Contents

   1. Introduction ....................................................4

      1.1. Overview ...................................................4

      1.2. Conventions ................................................5

      1.3. Terminology ................................................5

   2. Compression Process Overview ....................................6

      2.1. Header List Ordering .......................................6

      2.2. Encoding and Decoding Contexts .............................6

      2.3. Indexing Tables ............................................6

  ...