[asterisk-users] Resilience using DNS or phone feature ?

[Olivier]

2008/9/11 CunningPike <cunningpike at gmail.com>

> Oliver,
>
> We use DNS SRV records combined with short TTLs

How short ?

> to provide failover.
> Thankfully, we have only used it when moving phones from one server to
> another in preparation for upgrades, but it worked like a champ then.


I was first inclined to use DNS instead of phone feature for several
reasons.
But I'm curious to compare those reasons with others.

Your experience proves using DNS makes sense :
it gives capability to fall back to main or backup proxy at will,
it doesn't hide strange phones behaviours,
...


>
>
> CP
>
> On Wed, 2008-09-10 at 15:02 +0200, Olivier wrote:
> > Hi,
> >
> > I'm planning to deploy SIP hardphones in a serverless location.
> > Phones would be connected to 2 different Asterisk servers, one backing
> > up the other.
> >
> > I would like to offer resilience and I'm wondering about the best way
> > to do it.
> >
> > Phones themselves can register to a backup SIP proxy if first proxy
> > fails but, AFAIK, can't fall back to main server from backup server
> > when main server recovers.
> >
> > I'm wondering if should use DNS, phone multi-registration feature, or
> > a combination of DNS and phone multi-registration feature, to
> > implement resilience.
> > Your opinion ?
> >
> > Cheers
> >
> > _______________________________________________
> > -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> >
> > AstriCon 2008 - September 22 - 25 Phoenix, Arizona
> > Register Now: http://www.astricon.net
> >
> > asterisk-users mailing list
> > To UNSUBSCRIBE or update options visit:
> >    http://lists.digium.com/mailman/listinfo/asterisk-users
>
>
> _______________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
> AstriCon 2008 - September 22 - 25 Phoenix, Arizona
> Register Now: http://www.astricon.net
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20080911/773604a0/attachment.htm