[Http-crcsync] General comments on crcsync document
Patrick McManus
mcmanus at ducksong.com
Thu Jul 9 16:39:55 EDT 2009
On Thu, 2009-07-09 at 21:36 +0200, Alex Wulms wrote:
> All,
>
> I would expect a client to perform a standard GET request for it's first
> request to a server. A crcsync-aware server should then advertise it's
> capability in a response header so that the client can use a delta-request
> the next time that the user wants to refresh this resource.
>
> Keep in mind that on the first request, the client won't have anything in the
> cache from this server; it is a first request after all... So there is no
> overhead at all in this approach (except for the small capability response
> header)
>
> Obviously this is suboptimal at the moment that a non-crcsync-aware
> server -from which the client has already received normal responses- gets
> upgraded to a crcsync-aware server; the first request that the client will
> send after such an upgrade would still be a normal GETrequest. However, the
> now crcsync-aware server should at that moment announce it's capability so
> that the client can switch to delta-requests after all.
>
> What do you think?
I'm happy to say I think we're all in sync on this one.. just a matter
of defining that response header.
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