Changeset 916 for draft-ietf-httpbis/latest

Timestamp:

24/07/10 12:53:02 (10 years ago)

Author:

julian.reschke@…

Message:

Note change in [914] relating to issue 223 (see #223)

Location:

draft-ietf-httpbis/latest

Files:

• p6-cache.html (modified) (4 diffs)
• p6-cache.xml (modified) (1 diff)

draft-ietf-httpbis/latest/p6-cache.html

@@ -831 +831 @@
       <p id="rfc.section.2.3.1.p.2">Note that this calculation is not vulnerable to clock skew, since all of the information comes from the origin server.</p>
       <h4 id="rfc.section.2.3.1.1"><a href="#rfc.section.2.3.1.1">2.3.1.1</a>&nbsp;<a id="heuristic.freshness" href="#heuristic.freshness">Calculating Heuristic Freshness</a></h4>
-      <p id="rfc.section.2.3.1.1.p.1">If no explicit expiration time is present in a stored response that has a status code of 200, 203, 206, 300, 301 or 410, a
-         heuristic expiration time can be calculated. Heuristics <em class="bcp14">MUST NOT</em> be used for other response status codes.
+      <p id="rfc.section.2.3.1.1.p.1">If no explicit expiration time is present in a stored response that has a status code whose definition allows heuristic freshness
+         to be used (including the following in <a href="p2-semantics.html#status.codes" title="Status Code Definitions">Section 8</a> of <a href="#Part2" id="rfc.xref.Part2.2"><cite title="HTTP/1.1, part 2: Message Semantics">[Part2]</cite></a>: 200, 203, 206, 300, 301 and 410), a heuristic expiration time <em class="bcp14">MAY</em> be calculated. Heuristics <em class="bcp14">MUST NOT</em> be used for response status codes that do not explicitly allow it.
       </p>
       <p id="rfc.section.2.3.1.1.p.2">When a heuristic is used to calculate freshness lifetime, the cache <em class="bcp14">SHOULD</em> attach a Warning header with a 113 warn-code to the response if its current_age is more than 24 hours and such a warning is
@@ -937 +937 @@
       </p>
       <h2 id="rfc.section.2.5"><a href="#rfc.section.2.5">2.5</a>&nbsp;<a id="invalidation.after.updates.or.deletions" href="#invalidation.after.updates.or.deletions">Request Methods that Invalidate</a></h2>
-      <p id="rfc.section.2.5.p.1">Because unsafe methods (<a href="p2-semantics.html#safe.methods" title="Safe Methods">Section 7.1.1</a> of <a href="#Part2" id="rfc.xref.Part2.2"><cite title="HTTP/1.1, part 2: Message Semantics">[Part2]</cite></a>) have the potential for changing state on the origin server, intervening caches can use them to keep their contents up-to-date.
+      <p id="rfc.section.2.5.p.1">Because unsafe methods (<a href="p2-semantics.html#safe.methods" title="Safe Methods">Section 7.1.1</a> of <a href="#Part2" id="rfc.xref.Part2.3"><cite title="HTTP/1.1, part 2: Message Semantics">[Part2]</cite></a>) have the potential for changing state on the origin server, intervening caches can use them to keep their contents up-to-date.
       </p>
       <p id="rfc.section.2.5.p.2">The following HTTP methods <em class="bcp14">MUST</em> cause a cache to invalidate the Effective Request URI (<a href="p1-messaging.html#effective.request.uri" title="Effective Request URI">Section 4.3</a> of <a href="#Part1" id="rfc.xref.Part1.13"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) as well as the URI(s) in the Location and Content-Location headers (if present): 
@@ -1905 +1905 @@
          <li> &lt;<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/220">http://tools.ietf.org/wg/httpbis/trac/ticket/220</a>&gt;: "consider removing the 'changes from 2068' sections"
          </li>
+         <li> &lt;<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/223">http://tools.ietf.org/wg/httpbis/trac/ticket/223</a>&gt;: "Allowing heuristic caching for new status codes"
+         </li>
       </ul>
       <h1 id="rfc.index"><a href="#rfc.index">Index</a></h1>
@@ -2054 +2056 @@
                      </ul>
                   </li>
-                  <li class="indline1"><em>Part2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part2.1">2.2</a>, <a class="iref" href="#rfc.xref.Part2.2">2.5</a>, <a class="iref" href="#Part2"><b>8.1</b></a><ul class="ind">
-                        <li class="indline1"><em>Section 7.1.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part2.1">2.2</a>, <a class="iref" href="#rfc.xref.Part2.2">2.5</a></li>
+                  <li class="indline1"><em>Part2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part2.1">2.2</a>, <a class="iref" href="#rfc.xref.Part2.2">2.3.1.1</a>, <a class="iref" href="#rfc.xref.Part2.3">2.5</a>, <a class="iref" href="#Part2"><b>8.1</b></a><ul class="ind">
+                        <li class="indline1"><em>Section 7.1.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part2.1">2.2</a>, <a class="iref" href="#rfc.xref.Part2.3">2.5</a></li>
+                        <li class="indline1"><em>Section 8</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part2.2">2.3.1.1</a></li>
                      </ul>
                   </li>

draft-ietf-httpbis/latest/p6-cache.xml

@@ -2487 +2487 @@
       "consider removing the 'changes from 2068' sections"
     </t>
+    <t>
+      <eref target="http://tools.ietf.org/wg/httpbis/trac/ticket/223"/>:
+      "Allowing heuristic caching for new status codes"
+    </t>
   </list>
 </t>