draft-ietf-httpbis-header-compression-11.txt   draft-ietf-httpbis-header-compression-12.txt 
HTTPbis Working Group R. Peon HTTPbis Working Group R. Peon
Internet-Draft Google, Inc Internet-Draft Google, Inc
Intended status: Standards Track H. Ruellan Intended status: Standards Track H. Ruellan
Expires: August 14, 2015 Canon CRF Expires: August 21, 2015 Canon CRF
February 10, 2015 February 17, 2015
HPACK - Header Compression for HTTP/2 HPACK - Header Compression for HTTP/2
draft-ietf-httpbis-header-compression-11 draft-ietf-httpbis-header-compression-12
Abstract Abstract
This specification defines HPACK, a compression format for This specification defines HPACK, a compression format for
efficiently representing HTTP header fields, to be used in HTTP/2. efficiently representing HTTP header fields, to be used in HTTP/2.
Editorial Note (To be removed by RFC Editor) Editorial Note (To be removed by RFC Editor)
Discussion of this draft takes place on the HTTPBIS working group Discussion of this draft takes place on the HTTPBIS working group
mailing list (ietf-http-wg@w3.org), which is archived at [1]. mailing list (ietf-http-wg@w3.org), which is archived at [1].
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on August 14, 2015. This Internet-Draft will expire on August 21, 2015.
Copyright Notice Copyright Notice
Copyright (c) 2015 IETF Trust and the persons identified as the Copyright (c) 2015 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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httpbis-spdy-00 (work in progress), February 2012. httpbis-spdy-00 (work in progress), February 2012.
[TLS12] Dierks, T. and E. Rescorla, "The Transport Layer Security [TLS12] Dierks, T. and E. Rescorla, "The Transport Layer Security
(TLS) Protocol Version 1.2", RFC 5246, August 2008. (TLS) Protocol Version 1.2", RFC 5246, August 2008.
Appendix A. Static Table Definition Appendix A. Static Table Definition
The static table (see Section 2.3.1) consists in a predefined and The static table (see Section 2.3.1) consists in a predefined and
unchangeable list of header fields. unchangeable list of header fields.
The static table was created by listing the most common header fields The static table was created from the most frequent header fields
that are valid for messages exchanged inside a HTTP/2 connection. used by popular web sites, with the addition of HTTP/2-specific
For header fields with a few frequent values, an entry was added for pseudo-header fields (see Section 8.1.2.1 of [HTTP2]). For header
each of these frequent values. For other header fields, an entry was fields with a few frequent values, an entry was added for each of
added with an empty value. these frequent values. For other header fields, an entry was added
with an empty value.
The following table lists the predefined header fields that make-up The following table lists the predefined header fields that make-up
the static table. the static table.
+-------+-----------------------------+---------------+ +-------+-----------------------------+---------------+
| Index | Header Name | Header Value | | Index | Header Name | Header Value |
+-------+-----------------------------+---------------+ +-------+-----------------------------+---------------+
| 1 | :authority | | | 1 | :authority | |
| 2 | :method | GET | | 2 | :method | GET |
| 3 | :method | POST | | 3 | :method | POST |
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