Changeset 1731 for draft-ietf-httpbis/latest/p6-cache.xml

Timestamp:

Jul 5, 2012, 8:51:34 PM (7 years ago)

Author:

julian.reschke@…

Message:

add advice on how to treat multiple instances of freshness information (see #353)

File:

• draft-ietf-httpbis/latest/p6-cache.xml (modified) (2 diffs)

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

@@ -672 +672 @@
    the information comes from the origin server.
 </t>
+<t>
+   When there is more than one value present for a given directive (e.g., two
+   Expires header fields, multiple Cache-Control: max-age directives), it is
+   considered invalid. Caches are encouraged to consider responses that have
+   invalid freshness information to be stale.
+</t>
 
 <section anchor="heuristic.freshness" title="Calculating Heuristic Freshness">
@@ -2601 +2607 @@
     </t>
     <t>
+      <eref target="http://tools.ietf.org/wg/httpbis/trac/ticket/353"/>:
+      "Multiple values in Cache-Control headers"
+    </t>
+    <t>
       <eref target="http://tools.ietf.org/wg/httpbis/trac/ticket/355"/>:
       "Case sensitivity of header fields in CC values"