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#293: Interaction of request and response Cache-Control

From: Mark Nottingham <mnot@mnot.net>
Date: Sat, 3 Dec 2011 11:35:19 +1100
Message-Id: <566E8499-683A-453B-A8A7-F417190923D6@mnot.net>
To: HTTP Working Group <ietf-http-wg@w3.org>
<http://trac.tools.ietf.org/wg/httpbis/trac/ticket/293>

Proposal:

In 2.2, replace this:

> the presented request and stored response are free from directives that would prevent its use (see Section 3.2 and Section 3.4), and

with this:

> the presented request does not contain the 'no-cache' pragma (section 3.4), nor the 'no-cache' cache directive (section 3.2.1), unless the stored response is successfully validated (section 2.4).
> 
> the stored response does not contain the 'no-cache' cache directive (section 3.2.2), unless it is successfully validated (2.4).

In 2.3 Freshness Model, change

> Additionally, clients might need to influence freshness calculation. They can do this using several request cache directives, with the effect of either increasing or loosening constraints on freshness. See Section 3.2.1.

to

> Additionally, clients can request modifications to freshness calculation -- either constraining or relaxing it -- by using the max-age and min-fresh request cache directives. See Section 3.2.1 for details.

Thoughts?


--
Mark Nottingham   http://www.mnot.net/
Received on Saturday, 3 December 2011 00:38:33 GMT

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