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From "William A. Rowe, Jr." <wr...@rowe-clan.net>
Subject Re: [Fwd: Re: Invalidation after updates or deletions]
Date Tue, 18 Jul 2006 16:16:51 GMT
Ruediger Pluem wrote:
> On 18.07.2006 17:46, William A. Rowe, Jr. wrote:
> 
>> It would be cool to have an idempotence flag in the next major release for
>> handlers/filters to say that the arbitrary method operation munged the
>> origin,
>> or it did not. Thoughts?
> 
> This can be difficult.
> How do you want to handle this with proxies?
> What would be the default for 3rd party modules that do not set it?

As far as the downstream, I'm thinking such a marker would trigger our http
filter to add the appropriate cache control directives - if it's possible.

If not, the downstream should follow the RFC and render unknown methods as
uncachable and cache-invalidating.  Not the end of the world.

Bill



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