Re: Atom feed refresh rates

[Walter Underwood <wunder@xxxxxxxxxx>]

--On May 5, 2005 8:07:15 AM -0500 Mark Pilgrim <pilgrim@xxxxxxxxx> wrote:
>
> Not to be flippant, but we have one that's widely available.  It's
> called the Expires header. 

You need the information outside of HTTP. To quote from the RSS spec
for ttl:

  This makes it possible for RSS sources to be managed by a file-sharing 
  network such as Gnutella. 

Caching information is about knowing when your client cache is stale,
regardless of how you got the feed.

wunder
--
Walter Underwood
Principal Architect, Verity