On Wed, May 15, 2013 at 6:55 AM, Wendy Roome <[email protected]>wrote:
> I don't think we've addressed the issue of how frequently a client should > refresh cached data, such as the IRD, the network map, or the cost map. > > How about saying something like, > > "The ALTO Server SHOULD send an HTTP Expires header [RFC2616] in the > response, as well as a Date header, to indicate the expected lifetime of > the information. The client SHOULD refresh the data sometime after that. > Note that the Expires date is a guideline, not a contract; the ALTO server > may change the data at any time." > > I guess that should go in Section 8, but I'm not sure which subsection. > We used to have statements like this (guiding how to use HTTP), except we received feedback that its better to just leave this out of the ALTO spec. Rich > > - Wendy Roome > > > _______________________________________________ > alto mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/alto >
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