On Thu, Oct 23, 2008 at 8:25 AM, Pascal Maugeri <[EMAIL PROTECTED]> wrote: > > > On Thu, Oct 23, 2008 at 12:16 PM, Alex Balashov <[EMAIL PROTECTED]> > wrote: >> >> Any "frontal application-level switch" would simply have the same >> liability. > > right. >> >> Kamailio is a very high-throughput proxy that can handle huge amounts of >> call setups per second. I think you can count on that. > > Yes but you may need to use the power of all your load-balancer nodes. I > believe we can expect 10K transactions/seconds on a single load-balancer > node, but if you need to handle more traffic, load balancer node may be a > bottleneck.
I am doing between 4-5K simultaneous transactions (100-150 calls per second) on a Xeon quad core @3.20GHz and the overal cpu load is under 5%. I don't think that your load-balancer node will be a bottleneck. You just need a properly tunned config file. >> >> Failing over around the load balancer node to a secondary load balancer or >> distributing the traffic among multiple load balancers is a job best left to >> the sending endpoint. For example, a DID origination provider's switch or >> SBC can be set up to fail over calls to a different IP endpoint for your SIP >> trunk if no response is received within a certain amount of time. That is >> how this is typically done. At some point you've got to say that you've >> done all you can do, and it's up to the other side. > > Thanks Alex, it's a good point. > > -pascal > >> >> Pascal Maugeri wrote: >> >>> Hi >>> >>> I was wondering how to achieve an architecture with two or more active >>> load-balancer nodes (kamailio+dispatcher module). >>> >>> I have read how to setup two dispatcher nodes, one node as a master and >>> the other one as a backup. >>> >>> The backup node doesn't process any traffic until master fails. But how >>> to make the traffic being processed by both load-balancers ? In the case for >>> instance the capacity of single node is not enough to process all incoming >>> traffic. Is there any recommended configuration (eg. using frontal >>> application-level swith) >>> >>> Regards, >>> Pascal >>> >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> Users mailing list >>> Users@lists.kamailio.org >>> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users >> >> >> -- >> Alex Balashov >> Evariste Systems >> Web : http://www.evaristesys.com/ >> Tel : (+1) (678) 954-0670 >> Direct : (+1) (678) 954-0671 >> Mobile : (+1) (706) 338-8599 > > > _______________________________________________ > Users mailing list > Users@lists.kamailio.org > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users > > _______________________________________________ Users mailing list Users@lists.kamailio.org http://lists.kamailio.org/cgi-bin/mailman/listinfo/users