- From: Brian Smith <brian@briansmith.org>
- Date: Thu, 7 May 2009 19:48:21 -0500
- To: "'Adrien de Croy'" <adrien@qbik.com>
- Cc: "'HTTP Working Group'" <ietf-http-wg@w3.org>
Adrien de Croy wrote: > In the case of say Accept-Encoding, what if a server sends a vary tag > with Accept-Encoding in it, yet there is no Content-Encoding field (e.g. > no encoding, but the server selected on Accept-Encoding)? That is the normal case. If the server decided to send a non-encoded version due to the absence of an Accept-Encoding, then it has to include Accept-Encoding in the Vary. > Or is that second-guessing the server and prohibited? Yes, the cache must return what the server told it to return: If instead the cache receives a full response (i.e., one with a response body), it is used to satisfy the request and replace the stored response. [[anchor8: Should there be a requirement here?]] and: If the server responds with 304 (Not Modified) and includes an entity tag or Content-Location that indicates the entity to be used, that cached response MUST be used to satisfy the presented request [...] - Brian
Received on Friday, 8 May 2009 00:48:58 UTC