if-none-match status

Joe Williams joe at joetify.com
Sat Oct 10 20:21:21 CEST 2009

Agreed, I think this would be a very cool feature.


On Sat, 10 Oct 2009 14:41:14 -0300
Rogério Schneider <stockrt at gmail.com> wrote:

> 2009/10/9 Joe Williams <joe at joetify.com>:
> >
> > Thanks Rogério, I am totally aware that it currently is "client <->
> > varnish" communication that deals with if-none-match. My question is
> ah, ok :)
> > whether it was considered making an option for doing this on
> > "varnish <-> backend" communication as well since it seems like a
> > reasonable way to validate objects in the cache during lookups.
> > Does the varnish project have a (official or unofficial) policy
> > regarding doing backend communication with conditions?
> Now that is a question I think others could answer (tollef, sky,
> phk?). I really do not know.
> I agree that this could be interesting for, say, really big files
> cache re-validation, without all the transfer from the backend to
> Varnish, and even worth if we are talking about using Varnish for CDN
> architectures (for better geolocation when delivering, with distant
> backends, in many cases over continents).
> Needless to say, this could be valid and very useful.
> Regards,

Name: Joseph A. Williams
Email: joe at joetify.com
Blog: http://www.joeandmotorboat.com/

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