Ignore:
Timestamp:
Jun 7, 2010, 10:24:53 PM (10 years ago)
Author:
julian.reschke@…
Message:

add note about heuristic caching when query component is present (point out the history of it) (see #211)

File:
1 edited

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

    r827 r828  
    611611  since that time. A typical setting of this fraction might be 10%.
    612612</t>
    613 <t>
    614   <cref anchor="REVIEW-query-string-heuristics">took away HTTP/1.0 query string heuristic uncacheability.</cref>
    615 </t>
     613<x:note>
     614  <t>
     615    <x:h>Note:</x:h> RFC 2616 (<xref target="RFC2616" x:fmt="," x:sec="13.9"/>)
     616    required that caches do not calculate heuristic freshness for URLs with
     617    query components (i.e., those containing '?'). In practice, this has not
     618    been widely implemented. Therefore, servers are encouraged to send explicit
     619    directives (e.g., Cache-Control: no-cache) if they wish to preclude
     620    caching.
     621  </t>
     622</x:note>
    616623</section>
    617624</section>
     
    24742481      "IANA registry for cache-control directives"
    24752482    </t>
     2483    <t>
     2484      <eref target="http://tools.ietf.org/wg/httpbis/trac/ticket/211" />:
     2485      "Heuristic caching of URLs with query components"
     2486    </t>
    24762487  </list>
    24772488</t>
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