tis 2009-09-15 klockan 20:27 +0800 skrev Ryan Chan:
> Hello,
>
> On Mon, Sep 14, 2009 at 3:36 AM, Henrik Nordstrom
> <henrik_at_henriknordstrom.net> wrote:
> > sön 2009-09-13 klockan 15:24 +0800 skrev Ryan Chan:
> >
> >> Is that only if and only if a user press F5 in their browser, the IMS
> >> will be sent?
> >
> > No. IMS is a cache validation and is done by caches (including browser
> > caches) whenever there is access to a stale object.
> >
>
> >From the user point of view, it means...
>
> 1. user press F5 (not ctrl-F5)
> 2. file is expired
>
> am I correct.
Yes, with the addition that 1 is a forced IMS, forcing all caches to
perform the revalidation, while 2 is a normal IMS where the proxy cache
is allowed to satisfy the request from it's cache if fresh.
Regards
Henrik
Received on Tue Sep 15 2009 - 17:22:32 MDT
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