[Serusers] About a SIP load balancing document involving SER

Jiri Kuthan jiri at iptel.org
Fri Oct 17 23:19:04 CEST 2008


Martin Hoffmann wrote:
> Jiri Kuthan wrote:
>> Martin Hoffmann wrote:
>>> Iñaki Baz Castillo wrote:
>>>> So in conclusion we are speaking about an IP based load balancer, and 
>>>> not about a SIP load balancer. Also we are playing with IP level 
>>>> exotic technics (various hosts sharing the same IP).
>>>> So the above scenario would be valid for any UDP protocol, not just SIP.
>>> The load balancer does need to be aware of SIP.
>> I don't thinkt that's accurate. For many load-distribution schemes
>> it needs to parse SIP to make the right routing decision.
>>
>>>  For this to work, it
>>> needs to send all requests for a transaction to the same proxy. If the
>>> proxies are session-aware, it even needs to send all requests for a
>>> dialog to the same proxy.
>> I think there is some wording confusion here? What you are
>> describing is SIP awaraness. (otherwise you can't really send
>> the same dialog messages to the same proxy)
> 
> Sure. You might want to right my above statement again. It says "does
> need", not "does not". ;)

oh gee, I that I was good in fast scanning :-)
Thanks for the notice, we are in perfect agreement and sorry for the fuss.

-jiri

> 
> Best regards,
> Martin
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