[asterisk-ha-clustering] New HA setup - iax2

[Frederic Jean]

>> Ok, nice to know; so you went with one Asterisk per customer.
> >> May I ask why you set it up like this? Protection, mainly?
> >>
> >
> > Security, obscurity and adaptability. If one asterisk fails one
> > customer is angry. If one multi-customer asterisk fails, lots of
> > customers get angry. ;)
> >
> On the other hand, it's harder to build a scalable solution that
> way... There's no reason why we could not have another Asterisk
> standing by when one fails. The issue here is that calls would go down
> and states would be lost for blinking lamps. That will always happen
> (unless someone magically adds the needed code to handle that).
>
> There are architecture problems that we haven't solved in Asterisk
> today in regards to multi-hosting. There's a lack of segmentation of
> Asterisk that could prevent overlaps. I've been doing a few things,
> like multiparking and SIP domains that are steps toward a solution.
> Tilghman has some extra headers for AMI in testing and we've discussed
> how to use that for more segmentation by applying event filters to
> those headers. Next step would be to be able to restrict access for
> orignate-like actions in manager by applying contexts to each manager
> account.
>
> The settings in feature.conf are also pbx-wide, which might be a
> problem. There are propably a lot more issues that I don't see right
> now.
>
> So there are a lot of reasons why you want a single PBX per customer
> today. Hopefully someone will fund work so that we can support at
> least 50% of the cases in a large PBX with failover, and have the rest
> that are advanced users using their own. That would be very beneficial
> for all of us.
>
> There's also some interesting development in the SIP proxy arena
> (OpenSIP/kamailio/sip-router/ser/openser group) that may lead to new
> architectures for the 50% of the customers.
>
> /O
>


But at the end of it, is there a solution for IAX2, what is the best setup
we can
come up with using this protocol on a HA configuration?

Is there a IAX2 proxy somewhere or are they just pass through setups (e.g.
ultramonkey) ?

Are there any drawbacks?
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