Changeset 480 for draft-ietf-httpbis
- Timestamp:
- 04/03/09 03:42:30 (13 years ago)
- File:
-
- 1 edited
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draft-ietf-httpbis/latest-roy/p6-cache.xml
r479 r480 471 471 <section anchor="expiration.model" title="Freshness Model"> 472 472 473 <t>HTTP caching works best when caches can entirely avoid making requests to the origin 474 server. When a response is "fresh" in the cache, it can be used to satisfy subsequent 475 requests without contacting the origin server.</t> 473 <t>When a response is "fresh" in the cache, it can be used to satisfy subsequent 474 requests without contacting the origin server, thereby improving efficiency.</t> 476 475 <t>This mechanism applies only to responses taken from a cache and not to first-hand responses. 477 476 It cannot be used to force a user agent to refresh its display or reload a resource; its
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