draft-ietf-httpbis-p5-range-17.txt   draft-ietf-httpbis-p5-range-18.txt 
HTTPbis Working Group R. Fielding, Ed. HTTPbis Working Group R. Fielding, Ed.
Internet-Draft Adobe Internet-Draft Adobe
Obsoletes: 2616 (if approved) J. Gettys Obsoletes: 2616 (if approved) J. Gettys
Intended status: Standards Track Alcatel-Lucent Intended status: Standards Track Alcatel-Lucent
Expires: May 3, 2012 J. Mogul Expires: July 7, 2012 J. Mogul
HP HP
H. Frystyk H. Frystyk
Microsoft Microsoft
L. Masinter L. Masinter
Adobe Adobe
P. Leach P. Leach
Microsoft Microsoft
T. Berners-Lee T. Berners-Lee
W3C/MIT W3C/MIT
Y. Lafon, Ed. Y. Lafon, Ed.
W3C W3C
J. Reschke, Ed. J. Reschke, Ed.
greenbytes greenbytes
October 31, 2011 January 4, 2012
HTTP/1.1, part 5: Range Requests and Partial Responses HTTP/1.1, part 5: Range Requests and Partial Responses
draft-ietf-httpbis-p5-range-17 draft-ietf-httpbis-p5-range-18
Abstract Abstract
The Hypertext Transfer Protocol (HTTP) is an application-level The Hypertext Transfer Protocol (HTTP) is an application-level
protocol for distributed, collaborative, hypertext information protocol for distributed, collaborative, hypertext information
systems. HTTP has been in use by the World Wide Web global systems. HTTP has been in use by the World Wide Web global
information initiative since 1990. This document is Part 5 of the information initiative since 1990. This document is Part 5 of the
seven-part specification that defines the protocol referred to as seven-part specification that defines the protocol referred to as
"HTTP/1.1" and, taken together, obsoletes RFC 2616. "HTTP/1.1" and, taken together, obsoletes RFC 2616.
skipping to change at page 1, line 49 skipping to change at page 1, line 49
Discussion of this draft should take place on the HTTPBIS working Discussion of this draft should take place on the HTTPBIS working
group mailing list (ietf-http-wg@w3.org), which is archived at group 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.18. The changes in this draft are summarized in Appendix D.19.
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 May 3, 2012. This Internet-Draft will expire on July 7, 2012.
Copyright Notice Copyright Notice
Copyright (c) 2011 IETF Trust and the persons identified as the Copyright (c) 2012 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
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
skipping to change at page 4, line 7 skipping to change at page 4, line 7
D.9. Since draft-ietf-httpbis-p5-range-07 . . . . . . . . . . . 25 D.9. Since draft-ietf-httpbis-p5-range-07 . . . . . . . . . . . 25
D.10. Since draft-ietf-httpbis-p5-range-08 . . . . . . . . . . . 25 D.10. Since draft-ietf-httpbis-p5-range-08 . . . . . . . . . . . 25
D.11. Since draft-ietf-httpbis-p5-range-09 . . . . . . . . . . . 25 D.11. Since draft-ietf-httpbis-p5-range-09 . . . . . . . . . . . 25
D.12. Since draft-ietf-httpbis-p5-range-10 . . . . . . . . . . . 25 D.12. Since draft-ietf-httpbis-p5-range-10 . . . . . . . . . . . 25
D.13. Since draft-ietf-httpbis-p5-range-11 . . . . . . . . . . . 25 D.13. Since draft-ietf-httpbis-p5-range-11 . . . . . . . . . . . 25
D.14. Since draft-ietf-httpbis-p5-range-12 . . . . . . . . . . . 26 D.14. Since draft-ietf-httpbis-p5-range-12 . . . . . . . . . . . 26
D.15. Since draft-ietf-httpbis-p5-range-13 . . . . . . . . . . . 26 D.15. Since draft-ietf-httpbis-p5-range-13 . . . . . . . . . . . 26
D.16. Since draft-ietf-httpbis-p5-range-14 . . . . . . . . . . . 26 D.16. Since draft-ietf-httpbis-p5-range-14 . . . . . . . . . . . 26
D.17. Since draft-ietf-httpbis-p5-range-15 . . . . . . . . . . . 26 D.17. Since draft-ietf-httpbis-p5-range-15 . . . . . . . . . . . 26
D.18. Since draft-ietf-httpbis-p5-range-16 . . . . . . . . . . . 26 D.18. Since draft-ietf-httpbis-p5-range-16 . . . . . . . . . . . 26
D.19. Since draft-ietf-httpbis-p5-range-17 . . . . . . . . . . . 26
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
1. Introduction 1. Introduction
HTTP clients often encounter interrupted data transfers as a result HTTP clients often encounter interrupted data transfers as a result
of cancelled requests or dropped connections. When a client has of cancelled requests or dropped connections. When a client has
stored a partial representation, it is desirable to request the stored a partial representation, it is desirable to request the
remainder of that representation in a subsequent request rather than remainder of that representation in a subsequent request rather than
transfer the entire representation. There are also a number of Web transfer the entire representation. There are also a number of Web
applications that benefit from being able to request only a subset of applications that benefit from being able to request only a subset of
skipping to change at page 17, line 40 skipping to change at page 17, line 40
See Section 11 of [Part1]. See Section 11 of [Part1].
9. References 9. References
9.1. Normative References 9.1. Normative References
[Part1] Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H., [Part1] Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,
Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed., Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,
and J. Reschke, Ed., "HTTP/1.1, part 1: URIs, Connections, and J. Reschke, Ed., "HTTP/1.1, part 1: URIs, Connections,
and Message Parsing", draft-ietf-httpbis-p1-messaging-17 and Message Parsing", draft-ietf-httpbis-p1-messaging-18
(work in progress), October 2011. (work in progress), January 2012.
[Part2] Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H., [Part2] Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,
Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed., Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,
and J. Reschke, Ed., "HTTP/1.1, part 2: Message and J. Reschke, Ed., "HTTP/1.1, part 2: Message
Semantics", draft-ietf-httpbis-p2-semantics-17 (work in Semantics", draft-ietf-httpbis-p2-semantics-18 (work in
progress), October 2011. progress), January 2012.
[Part4] Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H., [Part4] Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,
Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed., Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,
and J. Reschke, Ed., "HTTP/1.1, part 4: Conditional and J. Reschke, Ed., "HTTP/1.1, part 4: Conditional
Requests", draft-ietf-httpbis-p4-conditional-17 (work in Requests", draft-ietf-httpbis-p4-conditional-18 (work in
progress), October 2011. progress), January 2012.
[RFC2046] Freed, N. and N. Borenstein, "Multipurpose Internet Mail [RFC2046] Freed, N. and N. Borenstein, "Multipurpose Internet Mail
Extensions (MIME) Part Two: Media Types", RFC 2046, Extensions (MIME) Part Two: Media Types", RFC 2046,
November 1996. November 1996.
[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.
skipping to change at page 26, line 43 skipping to change at page 26, line 43
o <http://tools.ietf.org/wg/httpbis/trac/ticket/186>: "Document o <http://tools.ietf.org/wg/httpbis/trac/ticket/186>: "Document
HTTP's error-handling philosophy" HTTP's error-handling philosophy"
o <http://trac.tools.ietf.org/wg/httpbis/trac/ticket/301>: "Content- o <http://trac.tools.ietf.org/wg/httpbis/trac/ticket/301>: "Content-
Range on responses other than 206" Range on responses other than 206"
o <http://trac.tools.ietf.org/wg/httpbis/trac/ticket/319>: "case o <http://trac.tools.ietf.org/wg/httpbis/trac/ticket/319>: "case
sensitivity of ranges in p5" sensitivity of ranges in p5"
D.19. Since draft-ietf-httpbis-p5-range-17
None.
Index Index
2 2
206 Partial Content (status code) 7 206 Partial Content (status code) 7
4 4
416 Requested Range Not Satisfiable (status code) 8 416 Requested Range Not Satisfiable (status code) 8
A A
Accept-Ranges header field 9 Accept-Ranges header field 9
 End of changes. 11 change blocks. 
12 lines changed or deleted 17 lines changed or added

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