Alteon detail

[Dag-Erling Smørgrav]

"Anders Berg" <andersb at vgnett.no> writes:
> Lets say I have a group of machine X and Y. This group can have virtual
> servers on them, a.vg.no and b.vg.no for example. In Alteon I can say that
> if a.vg.no works, then b.vg.no works (only 1 healthcheck as HTTP 1.0). But
> I can also set it to healthcheck a.vg.no and b.vg.no. Since a.vg.no and
> b.vg.no are on the same servers X and Y, I have to use virtual servers.
> Alteon uses HTTP 1.1 to do that. So a.vg.no can be "down" while b.vg.no is
> "up".
>
> www.vg.no, 193.69.165.21 and the group of machines that serv it only run 1
> service, so Alteon does a HTTP/1.0.
>
> flash.vg.no and the group of servers that serv it have virtual hosts (they
> also serv download.vg.no, even if IP adress is not the same, the group of
> servers are).

This explains why we couldn't run both www.vg.no and flash.vg.no on
Varnish...  the Alteon would probe www.vg.no without a Host: header
and would get a 404.

DES
-- 
Dag-Erling Smørgrav
Senior Software Developer
Linpro AS - www.linpro.no