Changeset 520 for draft-ietf-httpbis
- Timestamp:
- 05/03/09 06:14:05 (13 years ago)
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- 1 edited
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draft-ietf-httpbis/latest-roy/p6-cache.xml
r519 r520 444 444 </t> 445 445 <t><cref>TODO: define method cacheability for GET, HEAD and POST in p2-semantics.</cref></t> 446 <t>All responses satisfied from cache include an appropriate Age header field; see 447 <xref target="header.age" />. <cref>DISCUSS: this currently includes successfully validated responses.</cref></t> 448 <t>Request methods that are unsafe (&safe-methods;) &MUST; be written through the cache to 446 <t>When a stored response is used to satisfy a request, caches &MUST; include a 447 single Age header field <xref target="header.age" /> in the response with a value equal to the stored response's 448 current_age; see <xref target="age.calculations" />. 449 <cref>DISCUSS: this currently includes successfully validated responses.</cref></t> 450 <t>Requests with methods that are unsafe (&safe-methods;) &MUST; be written through the cache to 449 451 the origin server; i.e., A cache must not reply to such a request before having forwarded the request and having received a 450 452 corresponding response.</t> … … 541 543 each of the caches along the path from the origin server, plus the amount of time it has 542 544 been in transit along network paths.</t> 543 <t>When a stored response is used to satisfy a request, the cache &MUST; include a544 single Age header field in the response with a value equal to the stored response's545 current_age, calculated using the algorithm described in this section.</t>546 545 <t>The term "age_value" denotes the value of the Age header, in a form appropriate for 547 546 arithmetic operations.</t>
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