On 15 March 2010 10:38, Bogdan-Andrei Iancu <[email protected]> wrote: > Hi Gavin, > > Gavin Henry wrote: >> On 15 March 2010 09:52, Bogdan-Andrei Iancu <[email protected]> wrote: >> >>> Hi Gavin, >>> >>> As I understand you try to solve the SPOF issue with the your opensips >>> front load balancer, right ? Instead of adding another component to do >>> the monitor the LB, why not using a HA system (vrrp, heartbeat, etc) to >>> have an active-backup configuration for the LB ? >>> >> >> Hi Bogdan, >> >> That's what I said: >> >> "We'd like to put a keepalived in front of both OpenSIPS servers". >> keepalived is VRRP. >> > Oh, ok - I thought you meant another fronting app doing the KA to the > opensips servers (LBs) >> My question is you'll still have just one keepalived server monitoring >> the systems. >> >> I'm trying to understand what others do here. We have for this customer: >> >> DC1: >> >> OpenSIPS <-> Asterisk...Asterisk...Asterisk >> >> >> DC2: >> OpenSIPS <-> Asterisk...Asterisk...Asterisk >> >> >> What do others put in front to switch between the two datacenters but >> still avoiding having one keepalived/heartbeat server inbetween these >> two DCs? >> > The vrrp or heartbeat does not requirement any extra servers - these > application are run on the same servers are the front-end app (OpenSIPS > LB in your case).
Ah, my lack of understanding there. > Here, the concept is of having a floating IP (controlled by vrrp or HB) > that may be dynamically moved and attached to a server (the opensips > servers in your case). Understood. > These mechanisms require to have the servers (sharing the IP) to be in > the same network (as ARP pings are used) - and also you cannot simply > move an IP from a network to other. Right, thanks. >> Do you address this by having a few heartbeat/keepalived servers that >> get returned for the DNS records, for example: >> >> sip.mycustomer.com returns a keepalived IP that is running in each >> datacentre whereby each VRRP server points to both DCs. Then if anyone >> one goes down its points to the other? >> > your DNS will point to a virtual IP, where this IP may be mapped either > to the opensips in DC1 or in DC2 . VRRP will be running on the opensips > servers in both DC. Thanks. > Bogdan-Andrei Iancu > www.voice-system.ro > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > -- http://www.suretecsystems.com/services/openldap/ http://www.suretectelecom.com _______________________________________________ Users mailing list [email protected] http://lists.opensips.org/cgi-bin/mailman/listinfo/users
