[VoiceOps] Load balancing

Lee Riemer lriemer at bestline.net
Wed Nov 11 18:18:00 EST 2009

This just appeared on slashdot:


anorexicpoodle wrote:
> I have come across the need for a stateful SIP load balancer with 
> fail-over and HA capabilities, and I am hoping some on this list can 
> chime in with some personal experience.
> The need is not for a particularly large volume of traffic, more to 
> act as a socket to adapt my active/active model UM system to 
> Metaswitch's 1:1 UM system model, which cannot support active/active 
> application servers. Yes I felt this was a strange omission in 
> functionality as well.
> I have pretty much ruled out OpenSER/OpenSIPS/Kamilio because it isn't 
> stateful in HA failover. Passing it through an Acme is ridiculously 
> costly for the need i have, and most hardware based load balancers I 
> am finding just aren't sip-aware, so I don't see them doing much 
> better than OpenSER in a fail-over scenario, it would just be a 
> different kind of ugliness.
> Thanks in advance
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