Changeset 771 for draft-ietf-httpbis/latest/p6-cache.html
- Timestamp:
- 05/03/10 10:05:58 (12 years ago)
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draft-ietf-httpbis/latest/p6-cache.html
r770 r771 402 402 <meta name="dct.creator" content="Reschke, J. F."> 403 403 <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p6-cache-latest"> 404 <meta name="dct.issued" scheme="ISO8601" content="2010-03-0 4">404 <meta name="dct.issued" scheme="ISO8601" content="2010-03-05"> 405 405 <meta name="dct.replaces" content="urn:ietf:rfc:2616"> 406 406 <meta name="dct.abstract" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems. This document is Part 6 of the seven-part specification that defines the protocol referred to as "HTTP/1.1" and, taken together, obsoletes RFC 2616. Part 6 defines requirements on HTTP caches and the associated header fields that control cache behavior or indicate cacheable response messages."> … … 428 428 </tr> 429 429 <tr> 430 <td class="left">Expires: September 5, 2010</td>430 <td class="left">Expires: September 6, 2010</td> 431 431 <td class="right">J. Mogul</td> 432 432 </tr> … … 489 489 <tr> 490 490 <td class="left"></td> 491 <td class="right">March 4, 2010</td>491 <td class="right">March 5, 2010</td> 492 492 </tr> 493 493 </tbody> … … 519 519 <p>The list of Internet-Draft Shadow Directories can be accessed at <a href="http://www.ietf.org/shadow.html">http://www.ietf.org/shadow.html</a>. 520 520 </p> 521 <p>This Internet-Draft will expire in September 5, 2010.</p>521 <p>This Internet-Draft will expire in September 6, 2010.</p> 522 522 <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1> 523 523 <p>Copyright © 2010 IETF Trust and the persons identified as the document authors. All rights reserved.</p> … … 952 952 (i.e., that associated with the stored response), and the presented request. 953 953 </p> 954 <p id="rfc.section.2.6.p.2">The selecting request-headers from two requests are defined to match if and only if the selecting request-headers in the first 955 request can be transformed to the selecting request-headers in the second request by adding or removing linear white space <span class="comment" id="TODO-missing-ref">[<a href="#TODO-missing-ref" class="smpl">TODO-missing-ref</a>: [ref]]</span> at places where this is allowed by the corresponding ABNF, and/or combining multiple message-header fields with the same field 956 name following the rules about header fields in <a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.12"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. 957 </p> 958 <p id="rfc.section.2.6.p.3">If a header field is absent from a request, it can only match another request if it is also absent there.</p> 954 <p id="rfc.section.2.6.p.2">The selecting request-headers from two requests are defined to match if and only if those in the first request can be transformed 955 to those in the second request by applying any of the following: 956 </p> 957 <ul> 958 <li>adding or removing whitespace, where allowed in the header's syntax</li> 959 <li>combining multiple message-header fields with the same field name (see <a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.12"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) 960 </li> 961 <li>normalizing both header values in a way that is known to have identical semantics, according to the header's specification 962 (e.g., re-ordering field values when order is not significant; case-normalization, where values are defined to be case-insensitive) 963 </li> 964 </ul> 965 <p id="rfc.section.2.6.p.3">If (after any normalisation that may take place) a header field is absent from a request, it can only match another request 966 if it is also absent there. 967 </p> 959 968 <p id="rfc.section.2.6.p.4">A Vary header field-value of "*" always fails to match, and subsequent requests to that resource can only be properly interpreted 960 969 by the origin server. … … 1735 1744 <p id="rfc.section.C.10.p.1">Closed issues: </p> 1736 1745 <ul> 1746 <li> <<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/147">http://tools.ietf.org/wg/httpbis/trac/ticket/147</a>>: "serving negotiated responses from cache: header-specific canonicalization" 1747 </li> 1737 1748 <li> <<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/197">http://tools.ietf.org/wg/httpbis/trac/ticket/197</a>>: "Effect of CC directives on history lists" 1738 1749 </li>
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