RE: "Via" header field

> If a proxy-cache delivers an entity without revalidation,
> does it has to send
> the header field "Via" ?

Yes.  The purpose of 'Via' is to allow the end systems to detect the
identity and versions of any proxies - it has nothing to do with
validation.

--
Scott Lawrence         Architect             <lawrence@agranat.com>
Virata             http://www.virata.com/         http://emweb.com/