draft-ietf-httpbis-p6-cache-26.txt   draft-ietf-httpbis-p6-cache-latest.txt 
HTTPbis Working Group R. Fielding, Ed. HTTPbis Working Group R. Fielding, Ed.
Internet-Draft Adobe Internet-Draft Adobe
Obsoletes: 2616 (if approved) M. Nottingham, Ed. Obsoletes: 2616 (if approved) M. Nottingham, Ed.
Intended status: Standards Track Akamai Intended status: Standards Track Akamai
Expires: August 10, 2014 J. Reschke, Ed. Expires: October 8, 2014 J. Reschke, Ed.
greenbytes greenbytes
February 6, 2014 April 6, 2014
Hypertext Transfer Protocol (HTTP/1.1): Caching Hypertext Transfer Protocol (HTTP/1.1): Caching
draft-ietf-httpbis-p6-cache-26 draft-ietf-httpbis-p6-cache-latest
Abstract Abstract
The Hypertext Transfer Protocol (HTTP) is a stateless application- The Hypertext Transfer Protocol (HTTP) is a stateless application-
level protocol for distributed, collaborative, hypertext information level protocol for distributed, collaborative, hypertext information
systems. This document defines HTTP caches and the associated header systems. This document defines HTTP caches and the associated header
fields that control cache behavior or indicate cacheable response fields that control cache behavior or indicate cacheable response
messages. messages.
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 mailing list (ietf-http-wg@w3.org), which is archived at
<http://lists.w3.org/Archives/Public/ietf-http-wg/>. <http://lists.w3.org/Archives/Public/ietf-http-wg/>.
The current issues list is at The current issues list is at
<http://tools.ietf.org/wg/httpbis/trac/report/3> and related <http://tools.ietf.org/wg/httpbis/trac/report/3> and related
documents (including fancy diffs) can be found at documents (including fancy diffs) can be found at
<http://tools.ietf.org/wg/httpbis/>. <http://tools.ietf.org/wg/httpbis/>.
The changes in this draft are summarized in Appendix D.2. The changes in this draft are summarized in Appendix D.3.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
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 10, 2014. This Internet-Draft will expire on October 8, 2014.
Copyright Notice Copyright Notice
Copyright (c) 2014 IETF Trust and the persons identified as the Copyright (c) 2014 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
skipping to change at page 3, line 48 skipping to change at page 3, line 48
10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 35 10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1. Normative References . . . . . . . . . . . . . . . . . . . 35 10.1. Normative References . . . . . . . . . . . . . . . . . . . 35
10.2. Informative References . . . . . . . . . . . . . . . . . . 36 10.2. Informative References . . . . . . . . . . . . . . . . . . 36
Appendix A. Changes from RFC 2616 . . . . . . . . . . . . . . . . 36 Appendix A. Changes from RFC 2616 . . . . . . . . . . . . . . . . 36
Appendix B. Imported ABNF . . . . . . . . . . . . . . . . . . . . 38 Appendix B. Imported ABNF . . . . . . . . . . . . . . . . . . . . 38
Appendix C. Collected ABNF . . . . . . . . . . . . . . . . . . . 38 Appendix C. Collected ABNF . . . . . . . . . . . . . . . . . . . 38
Appendix D. Change Log (to be removed by RFC Editor before Appendix D. Change Log (to be removed by RFC Editor before
publication) . . . . . . . . . . . . . . . . . . . . 39 publication) . . . . . . . . . . . . . . . . . . . . 39
D.1. Since draft-ietf-httpbis-p6-cache-24 . . . . . . . . . . . 40 D.1. Since draft-ietf-httpbis-p6-cache-24 . . . . . . . . . . . 40
D.2. Since draft-ietf-httpbis-p6-cache-25 . . . . . . . . . . . 40 D.2. Since draft-ietf-httpbis-p6-cache-25 . . . . . . . . . . . 40
D.3. Since draft-ietf-httpbis-p6-cache-26 . . . . . . . . . . . 40
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
1. Introduction 1. Introduction
HTTP is typically used for distributed information systems, where HTTP is typically used for distributed information systems, where
performance can be improved by the use of response caches. This performance can be improved by the use of response caches. This
document defines aspects of HTTP/1.1 related to caching and reusing document defines aspects of HTTP/1.1 related to caching and reusing
response messages. response messages.
An HTTP cache is a local store of response messages and the subsystem An HTTP cache is a local store of response messages and the subsystem
skipping to change at page 35, line 42 skipping to change at page 35, line 42
9. Acknowledgments 9. Acknowledgments
See Section 10 of [Part1]. See Section 10 of [Part1].
10. References 10. References
10.1. Normative References 10.1. Normative References
[Part1] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer [Part1] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer
Protocol (HTTP/1.1): Message Syntax and Routing", Protocol (HTTP/1.1): Message Syntax and Routing",
draft-ietf-httpbis-p1-messaging-26 (work in progress), draft-ietf-httpbis-p1-messaging-latest (work in progress),
February 2014. April 2014.
[Part2] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer [Part2] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer
Protocol (HTTP/1.1): Semantics and Content", Protocol (HTTP/1.1): Semantics and Content",
draft-ietf-httpbis-p2-semantics-26 (work in progress), draft-ietf-httpbis-p2-semantics-latest (work in progress),
February 2014. April 2014.
[Part4] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer [Part4] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer
Protocol (HTTP/1.1): Conditional Requests", Protocol (HTTP/1.1): Conditional Requests",
draft-ietf-httpbis-p4-conditional-26 (work in progress), draft-ietf-httpbis-p4-conditional-latest (work in
February 2014. progress), April 2014.
[Part5] Fielding, R., Ed., Lafon, Y., Ed., and J. Reschke, Ed., [Part5] Fielding, R., Ed., Lafon, Y., Ed., and J. Reschke, Ed.,
"Hypertext Transfer Protocol (HTTP/1.1): Range Requests", "Hypertext Transfer Protocol (HTTP/1.1): Range Requests",
draft-ietf-httpbis-p5-range-26 (work in progress), draft-ietf-httpbis-p5-range-latest (work in progress),
February 2014. April 2014.
[Part7] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer [Part7] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer
Protocol (HTTP/1.1): Authentication", Protocol (HTTP/1.1): Authentication",
draft-ietf-httpbis-p7-auth-26 (work in progress), draft-ietf-httpbis-p7-auth-latest (work in progress),
February 2014. April 2014.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC5234] Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax [RFC5234] Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax
Specifications: ABNF", STD 68, RFC 5234, January 2008. Specifications: ABNF", STD 68, RFC 5234, January 2008.
10.2. Informative References 10.2. Informative References
[BCP90] Klyne, G., Nottingham, M., and J. Mogul, "Registration [BCP90] Klyne, G., Nottingham, M., and J. Mogul, "Registration
skipping to change at page 40, line 34 skipping to change at page 40, line 34
o <http://tools.ietf.org/wg/httpbis/trac/ticket/538>: "add o <http://tools.ietf.org/wg/httpbis/trac/ticket/538>: "add
'stateless' to Abstract" 'stateless' to Abstract"
o <http://tools.ietf.org/wg/httpbis/trac/ticket/542>: "improve o <http://tools.ietf.org/wg/httpbis/trac/ticket/542>: "improve
introduction of list rule" introduction of list rule"
o <http://tools.ietf.org/wg/httpbis/trac/ticket/549>: "augment o <http://tools.ietf.org/wg/httpbis/trac/ticket/549>: "augment
security considerations with pointers to current research" security considerations with pointers to current research"
D.3. Since draft-ietf-httpbis-p6-cache-26
None yet.
Index Index
1 1
110 (warn-code) 30 110 (warn-code) 30
111 (warn-code) 31 111 (warn-code) 31
112 (warn-code) 31 112 (warn-code) 31
113 (warn-code) 31 113 (warn-code) 31
199 (warn-code) 31 199 (warn-code) 31
2 2
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