[Users] how to refresh REGISTER state when restarting redundant proxy

Jiri Kuthan jiri at iptel.org
Mon Apr 23 12:25:00 CEST 2007


At 09:12 23/04/2007, Juha Heinanen wrote:
>Klaus Darilion writes:
>
> > > it would be interesting to read that paper, but i guess it is not freely
> > > available.  so far i have not seen  any solution that would do two
> > > the things at the same time: balance load and be resilient.
> 
> > http://www.google.com/search?q=Failover%2C+load+sharing+and+server+architecture+in+SIP+telephony
>
>thanks klaus for the pointer.  
>
>i briefly looked at the proposed solution in figure 12 and didn't find
>anything about nat keepalive pinging.  which of the proxies does that or
>does the solution assume that UAs are not behind nats

I guess that some practical aspects were out of scope of this paper -- it does
not seem to seek to provide a full solution. I was merely referring to the
DB part of it.

-jiri






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