Alteon detail

[Anders Berg]

On Aug 19, 2006, at 11:04, Dag-Erling Smørgrav wrote:

> "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.

Oh? I didn't catch that that was the reason. Sorry, I could have  
informed you guys about it then.
My bad. I'll fix it right this instant that it will send a HTTP 1.1  
request.

Anders Berg

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