On 10/23/08 15:05, Pascal Maugeri wrote: > > On Thu, Oct 23, 2008 at 1:47 PM, Daniel-Constantin Mierla > <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote: > > Hello, > > a solution I am using is to do shared IP (vrrp/ucarp). The typical > scenario is active-backup, when one share IP is used. > > But you can do active-active by using two shared IP addresses, so > will be > > server1: active_ip_1 - backup_ip_2 > server2: backup_ip_1 - active_ip_2 > > So each server is active and backs-up the other. This can be > scaled, with more than 2 servers, you need an IP per server, and > you will have a chain of active servers backing up next one. Based > on who is backing up who, you may have one or more servers down > without affecting the service > > You have to take care of balancing the traffic among the IP addresses. > > > OK but how do you share traffic among the IP addresses ? You need a > kind of super load-balancer that load-balance traffic among > load-balancers ? one way you can do it is via DNS.
Daniel > -pascal > > > > > Cheers, > Daniel > > > > On 10/23/08 13:16, Alex Balashov wrote: > > Any "frontal application-level switch" would simply have the > same liability. > > Kamailio is a very high-throughput proxy that can handle huge > amounts of call setups per second. I think you can count on that. > > 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. > > 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 <mailto:Users@lists.kamailio.org> > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users > > > > > > > > -- > Daniel-Constantin Mierla > http://www.asipto.com > > -- Daniel-Constantin Mierla http://www.asipto.com _______________________________________________ Users mailing list Users@lists.kamailio.org http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
