draft-ietf-httpbis-cache-03.txt   draft-ietf-httpbis-cache-latest.txt 
HTTP Working Group R. Fielding, Ed. HTTP Working Group R. Fielding, Ed.
Internet-Draft Adobe Internet-Draft Adobe
Obsoletes: 7234 (if approved) M. Nottingham, Ed. Obsoletes: 7234 (if approved) M. Nottingham, Ed.
Intended status: Standards Track Fastly Intended status: Standards Track Fastly
Expires: April 21, 2019 J. Reschke, Ed. Expires: April 21, 2019 J. Reschke, Ed.
greenbytes greenbytes
October 18, 2018 October 18, 2018
HTTP Caching HTTP Caching
draft-ietf-httpbis-cache-03 draft-ietf-httpbis-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.
This document obsoletes RFC 7234. This document obsoletes RFC 7234.
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This note is to be removed before publishing as an RFC. This note is to be removed before publishing as an RFC.
Discussion of this draft takes place on the HTTP working group Discussion of this draft takes place on the HTTP working group
mailing list (ietf-http-wg@w3.org), which is archived at mailing list (ietf-http-wg@w3.org), which is archived at
<https://lists.w3.org/Archives/Public/ietf-http-wg/>. <https://lists.w3.org/Archives/Public/ietf-http-wg/>.
Working Group information can be found at <https://httpwg.org/>; Working Group information can be found at <https://httpwg.org/>;
source code and issues list for this draft can be found at source code and issues list for this draft can be found at
<https://github.com/httpwg/http-core>. <https://github.com/httpwg/http-core>.
The changes in this draft are summarized in Appendix C.4. The changes in this draft are summarized in Appendix C.5.
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 https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
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9. References . . . . . . . . . . . . . . . . . . . . . . . . . 32 9. References . . . . . . . . . . . . . . . . . . . . . . . . . 32
9.1. Normative References . . . . . . . . . . . . . . . . . . 32 9.1. Normative References . . . . . . . . . . . . . . . . . . 32
9.2. Informative References . . . . . . . . . . . . . . . . . 33 9.2. Informative References . . . . . . . . . . . . . . . . . 33
Appendix A. Collected ABNF . . . . . . . . . . . . . . . . . . . 35 Appendix A. Collected ABNF . . . . . . . . . . . . . . . . . . . 35
Appendix B. Changes from RFC 7234 . . . . . . . . . . . . . . . 35 Appendix B. Changes from RFC 7234 . . . . . . . . . . . . . . . 35
Appendix C. Change Log . . . . . . . . . . . . . . . . . . . . . 36 Appendix C. Change Log . . . . . . . . . . . . . . . . . . . . . 36
C.1. Between RFC7234 and draft 00 . . . . . . . . . . . . . . 36 C.1. Between RFC7234 and draft 00 . . . . . . . . . . . . . . 36
C.2. Since draft-ietf-httpbis-cache-00 . . . . . . . . . . . . 36 C.2. Since draft-ietf-httpbis-cache-00 . . . . . . . . . . . . 36
C.3. Since draft-ietf-httpbis-cache-01 . . . . . . . . . . . . 36 C.3. Since draft-ietf-httpbis-cache-01 . . . . . . . . . . . . 36
C.4. Since draft-ietf-httpbis-cache-02 . . . . . . . . . . . . 36 C.4. Since draft-ietf-httpbis-cache-02 . . . . . . . . . . . . 36
C.5. Since draft-ietf-httpbis-cache-03 . . . . . . . . . . . . 37
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 39 Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 39
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 39 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 39
1. Introduction 1. Introduction
The Hypertext Transfer Protocol (HTTP) is a stateless application- The Hypertext Transfer Protocol (HTTP) is a stateless application-
level request/response protocol that uses extensible semantics and level request/response protocol that uses extensible semantics and
self-descriptive messages for flexible interaction with network-based self-descriptive messages for flexible interaction with network-based
hypertext information systems. HTTP is defined by a series of hypertext information systems. HTTP is defined by a series of
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Please add a note to the "Hypertext Transfer Protocol (HTTP) Warn Please add a note to the "Hypertext Transfer Protocol (HTTP) Warn
Codes" registry at <https://www.iana.org/assignments/http-warn-codes> Codes" registry at <https://www.iana.org/assignments/http-warn-codes>
to the effect that Warning is obsoleted. to the effect that Warning is obsoleted.
9. References 9. References
9.1. Normative References 9.1. Normative References
[Messaging] [Messaging]
Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke,
Ed., "HTTP/1.1 Messaging", draft-ietf-httpbis-messaging-03 Ed., "HTTP/1.1 Messaging", draft-ietf-httpbis-messaging-
(work in progress), October 2018. latest (work in progress), October 2018.
[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, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
[RFC3986] Berners-Lee, T., Fielding, R., and L. Masinter, "Uniform [RFC3986] Berners-Lee, T., Fielding, R., and L. Masinter, "Uniform
Resource Identifier (URI): Generic Syntax", STD 66, Resource Identifier (URI): Generic Syntax", STD 66,
RFC 3986, DOI 10.17487/RFC3986, January 2005, RFC 3986, DOI 10.17487/RFC3986, January 2005,
<https://www.rfc-editor.org/info/rfc3986>. <https://www.rfc-editor.org/info/rfc3986>.
[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, Specifications: ABNF", STD 68, RFC 5234,
DOI 10.17487/RFC5234, January 2008, DOI 10.17487/RFC5234, January 2008,
<https://www.rfc-editor.org/info/rfc5234>. <https://www.rfc-editor.org/info/rfc5234>.
[Semantics] [Semantics]
Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke,
Ed., "HTTP Semantics", draft-ietf-httpbis-semantics-03 Ed., "HTTP Semantics", draft-ietf-httpbis-semantics-latest
(work in progress), October 2018. (work in progress), October 2018.
[USASCII] American National Standards Institute, "Coded Character [USASCII] American National Standards Institute, "Coded Character
Set -- 7-bit American Standard Code for Information Set -- 7-bit American Standard Code for Information
Interchange", ANSI X3.4, 1986. Interchange", ANSI X3.4, 1986.
9.2. Informative References 9.2. Informative References
[RFC2616] Fielding, R., Gettys, J., Mogul, J., Frystyk, H., [RFC2616] Fielding, R., Gettys, J., Mogul, J., Frystyk, H.,
Masinter, L., Leach, P., and T. Berners-Lee, "Hypertext Masinter, L., Leach, P., and T. Berners-Lee, "Hypertext
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o Revise Section 6 to apply to more than just History Lists o Revise Section 6 to apply to more than just History Lists
(<https://github.com/httpwg/http-core/issues/126>) (<https://github.com/httpwg/http-core/issues/126>)
o In Section 5.5, deprecated "Warning" header field o In Section 5.5, deprecated "Warning" header field
(<https://github.com/httpwg/http-core/issues/139>) (<https://github.com/httpwg/http-core/issues/139>)
o In Section 3.2, remove a spurious note o In Section 3.2, remove a spurious note
(<https://github.com/httpwg/http-core/issues/141>) (<https://github.com/httpwg/http-core/issues/141>)
C.5. Since draft-ietf-httpbis-cache-03
None yet.
Index Index
A A
Age header field 21 Age header field 21
age 11 age 11
C C
Cache-Control header field 21 Cache-Control header field 21
cache 4 cache 4
cache entry 6 cache entry 6
 End of changes. 6 change blocks. 
5 lines changed or deleted 10 lines changed or added

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