2011/6/15 Alex Hermann <a...@speakup.nl>: >> However I've seen other SIP stacks also performing failover by taking >> next NAPTR records. But indeed, RFC 2915 does not mandate it, instead >> it says MUST NOT. So you are right. > > I forgot about a discussion i had about this issue a few years ago with a > customer and just remembered the outcome now. (Optional) failover can be > provided by different 'Preference' field within the same 'Order'. From rfc > 2915/3403 section 2: > > The important difference between Order and Preference is that > once a match is found the client MUST NOT consider records with a > different Order but they MAY process records with the same Order > but different Preferences. I.e., Preference is used to give weight > to rules that are considered the same from an authority > standpoint but not from a simple load balancing standpoint.
Yes, 100% right. > Unfortunately this wasn't possible with Kamailio <=1.5. Have you tried 3.x > with equal 'Order' but different 'Preference' or just with different 'Order'? Not yet, but I'll do it and comment here :) -- Iñaki Baz Castillo <i...@aliax.net> _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
