Although it might not perfectly meet your needs, RFC 3265, RFC 3263, and RFC 3261 provide the mechanism. It is up to the notification server cluster to implement it; however some aspects might require compliance/cooperation from the subscriber's device.
The soc working group documents may also be of interest: http://tools.ietf.org/wg/soc/ > -----Original Message----- > From: [email protected] [mailto:sip- > [email protected]] On Behalf Of Joegen Baclor > Sent: Wednesday, December 07, 2011 12:52 AM > To: [email protected] > Subject: [Sip-implementors] How to transfer an existing subscription > from one RLS server to another > > Hi, > > I am implementing an RLS service that shares load via DNS/SRV records. > Let us say I have 2 RLS servers sharing the load equally for 200 > subscribers. In an ideal setting, each would service 100 subscribers > each. In the moment one goes down, subscribers from the other server > spills over to the other server. So at one point all 200 subscribers > are now subscribed to a single server. When the node that went down > previously goes up, I like to be able to bring back load sharing > between > the two nodes. There seems to be no obvious mechanism to do this in > SIP. I would appreciate some insights and suggestions. > > Joegen > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
