draft-ietf-httpbis-messaging-06.txt   draft-ietf-httpbis-messaging-latest.txt 
HTTP Working Group R. Fielding, Ed. HTTP Working Group R. Fielding, Ed.
Internet-Draft Adobe Internet-Draft Adobe
Obsoletes: 7230 (if approved) M. Nottingham, Ed. Obsoletes: 7230 (if approved) M. Nottingham, Ed.
Intended status: Standards Track Fastly Intended status: Standards Track Fastly
Expires: May 7, 2020 J. Reschke, Ed. Expires: June 6, 2020 J. Reschke, Ed.
greenbytes greenbytes
November 4, 2019 December 4, 2019
HTTP/1.1 Messaging HTTP/1.1 Messaging
draft-ietf-httpbis-messaging-06 draft-ietf-httpbis-messaging-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 specifies the HTTP/1.1 message syntax, systems. This document specifies the HTTP/1.1 message syntax,
message parsing, connection management, and related security message parsing, connection management, and related security
concerns. concerns.
This document obsoletes portions of RFC 7230. This document obsoletes portions of RFC 7230.
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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 D.7. The changes in this draft are summarized in Appendix D.8.
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/.
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 May 7, 2020. This Internet-Draft will expire on June 6, 2020.
Copyright Notice Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2019 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
(https://trustee.ietf.org/license-info) in effect on the date of (https://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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C.1.3. Introduction of Transfer-Encoding . . . . . . . . . . 52 C.1.3. Introduction of Transfer-Encoding . . . . . . . . . . 52
C.2. Changes from RFC 7230 . . . . . . . . . . . . . . . . . . 52 C.2. Changes from RFC 7230 . . . . . . . . . . . . . . . . . . 52
Appendix D. Change Log . . . . . . . . . . . . . . . . . . . . . 53 Appendix D. Change Log . . . . . . . . . . . . . . . . . . . . . 53
D.1. Between RFC7230 and draft 00 . . . . . . . . . . . . . . 53 D.1. Between RFC7230 and draft 00 . . . . . . . . . . . . . . 53
D.2. Since draft-ietf-httpbis-messaging-00 . . . . . . . . . . 53 D.2. Since draft-ietf-httpbis-messaging-00 . . . . . . . . . . 53
D.3. Since draft-ietf-httpbis-messaging-01 . . . . . . . . . . 54 D.3. Since draft-ietf-httpbis-messaging-01 . . . . . . . . . . 54
D.4. Since draft-ietf-httpbis-messaging-02 . . . . . . . . . . 55 D.4. Since draft-ietf-httpbis-messaging-02 . . . . . . . . . . 55
D.5. Since draft-ietf-httpbis-messaging-03 . . . . . . . . . . 55 D.5. Since draft-ietf-httpbis-messaging-03 . . . . . . . . . . 55
D.6. Since draft-ietf-httpbis-messaging-04 . . . . . . . . . . 55 D.6. Since draft-ietf-httpbis-messaging-04 . . . . . . . . . . 55
D.7. Since draft-ietf-httpbis-messaging-05 . . . . . . . . . . 55 D.7. Since draft-ietf-httpbis-messaging-05 . . . . . . . . . . 55
D.8. Since draft-ietf-httpbis-messaging-06 . . . . . . . . . . 56
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 58 Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 58
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 58 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 58
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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Registry" at <https://www.iana.org/assignments/http-upgrade-tokens> Registry" at <https://www.iana.org/assignments/http-upgrade-tokens>
with the registration procedure of Section 9.9.2 and the upgrade with the registration procedure of Section 9.9.2 and the upgrade
token names summarized in the table of Section 9.9.1. token names summarized in the table of Section 9.9.1.
13. References 13. References
13.1. Normative References 13.1. Normative References
[Caching] Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, [Caching] Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke,
Ed., "HTTP Caching", draft-ietf-httpbis-cache-latest (work Ed., "HTTP Caching", draft-ietf-httpbis-cache-latest (work
in progress), November 2019. in progress), December 2019.
[RFC1950] Deutsch, L. and J-L. Gailly, "ZLIB Compressed Data Format [RFC1950] Deutsch, L. and J-L. Gailly, "ZLIB Compressed Data Format
Specification version 3.3", RFC 1950, Specification version 3.3", RFC 1950,
DOI 10.17487/RFC1950, May 1996, DOI 10.17487/RFC1950, May 1996,
<https://www.rfc-editor.org/info/rfc1950>. <https://www.rfc-editor.org/info/rfc1950>.
[RFC1951] Deutsch, P., "DEFLATE Compressed Data Format Specification [RFC1951] Deutsch, P., "DEFLATE Compressed Data Format Specification
version 1.3", RFC 1951, DOI 10.17487/RFC1951, May 1996, version 1.3", RFC 1951, DOI 10.17487/RFC1951, May 1996,
<https://www.rfc-editor.org/info/rfc1951>. <https://www.rfc-editor.org/info/rfc1951>.
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RFC 7405, DOI 10.17487/RFC7405, December 2014, RFC 7405, DOI 10.17487/RFC7405, December 2014,
<https://www.rfc-editor.org/info/rfc7405>. <https://www.rfc-editor.org/info/rfc7405>.
[RFC8446] Rescorla, E., "The Transport Layer Security (TLS) Protocol [RFC8446] Rescorla, E., "The Transport Layer Security (TLS) Protocol
Version 1.3", RFC 8446, DOI 10.17487/RFC8446, August 2018, Version 1.3", RFC 8446, DOI 10.17487/RFC8446, August 2018,
<https://www.rfc-editor.org/info/rfc8446>. <https://www.rfc-editor.org/info/rfc8446>.
[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-latest Ed., "HTTP Semantics", draft-ietf-httpbis-semantics-latest
(work in progress), November 2019. (work in progress), December 2019.
[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.
[Welch] Welch, T., "A Technique for High-Performance Data [Welch] Welch, T., "A Technique for High-Performance Data
Compression", IEEE Computer 17(6), June 1984. Compression", IEEE Computer 17(6), June 1984.
13.2. Informative References 13.2. Informative References
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o In Section 9.9, use 'websocket' instead of 'HTTP/2.0' in examples o In Section 9.9, use 'websocket' instead of 'HTTP/2.0' in examples
(<https://github.com/httpwg/http-core/issues/112>) (<https://github.com/httpwg/http-core/issues/112>)
o Move version non-specific text from Section 6 into semantics as o Move version non-specific text from Section 6 into semantics as
"payload body" (<https://github.com/httpwg/http-core/issues/159>) "payload body" (<https://github.com/httpwg/http-core/issues/159>)
o In Section 9.8, add text from RFC 2818 o In Section 9.8, add text from RFC 2818
(<https://github.com/httpwg/http-core/issues/236>) (<https://github.com/httpwg/http-core/issues/236>)
D.8. Since draft-ietf-httpbis-messaging-06
None yet.
Index Index
A A
absolute-form (of request-target) 11 absolute-form (of request-target) 11
application/http Media Type 40 application/http Media Type 40
asterisk-form (of request-target) 11 asterisk-form (of request-target) 11
authority-form (of request-target) 11 authority-form (of request-target) 11
C C
Connection header field 28, 33 Connection header field 28, 33
 End of changes. 9 change blocks. 
7 lines changed or deleted 12 lines changed or added

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