[Asterisk-Users] Clustering

[Ron McCarthy]

I had no ideal this thread would get this big! Im going to look more into
the regcontext. I planned on using DUNDi since im going to have lots of *
servers that will be tied over a ATM backbone, so DUNDi can then do on-net
calling much easier and never have to hit the internet, can just ride our
private backbone. If anyone has more examples, please post, im gonna to
start with some mock configs this weekend I hope, and start testing. There
has be to a way to achieve N+1 redudancy, its just a matter of getting it
all to play nicely :) I will be glad to post all steps needed to this to a
wiki, so we can share this setup.

Thanks!
Ron

On 3/10/06, Douglas Garstang <dgarstang at oneeighty.com> wrote:
>
> Hi JR. I'm dying to know... where'd you find your DUNDi documentation? Has
> something new appeared since I looked at it 2-3 months ago? The O'Reilly
> book's DUNDi section was impossible to follow, and the examples in the
> Asterisk DUNDi config files are no better. You do a search online and get
> almost no results (still wondering when Digium is going to realease some
> docs for what they call their protocol). I spent a few weeks working on it,
> tearing my hair out, and gave up. So did my boss.
>
> Doug.
>
>         -----Original Message-----
>         From: JR Richardson [mailto:jr.richardson at cox.net]
>         Sent: Fri 3/10/2006 8:55 PM
>         To: ronmccar at gmail.com; asterisk-users at lists.digium.com
>         Cc: jr.richardson at cox.net
>         Subject: re: [Asterisk-Users] Clustering
>
>
>
>         ------------------------------
>
>         Message: 6
>         Date: Fri, 10 Mar 2006 12:22:12 -0700
>         From: "Ron McCarthy" <ronmccar at gmail.com>
>         Subject: [Asterisk-Users] Clustering
>         To: "Asterisk Users Mailing List - Non-Commercial Discussion"
>                 <asterisk-users at lists.digium.com>
>         Message-ID:
>                 <
> 3885f4fe0603101122m6742410ep25276b736072618c at mail.gmail.com>
>         Content-Type: text/plain; charset="iso-8859-1"
>
>         Hello All,
>
>         Ive been doing more and more research on trying to setup a
> cluster/load
>         balancer for Asterisk. All the Asterisk boxes would be using a
> config that
>         is the same between them all (via a DB), but we want one location
> to point
>         the phones to, and from there that machine/device will send it to
> a Asterisk
>         server so the call can be processed. I know you cant balance the
> whole call,
>         ie: once the call is started the RTP stream has to go to the same
> server,
>         but a new call could go to a different server if perhaps the 1st
> server was
>         unreachable.
>
>         Has anyone tried this, or got this to work? Ive been looking at
> using a
>         Juniper Session Border Controller, but not sure if thats gonna do
> the trick,
>         and then we also have SER..
>
>         Any comments would be great!
>
>         Thanks
>         Ron
>         -------------- next part --------------
>
>
>         Ron,
>
>         I'm doing something similar with clustering.  I haven't gotten the
> total design down yet but so far I have 1 * server holding all the routes to
> several child/registration * servers where my iax and sip clients actually
> register to.  I'm using the 1 * server running dundi to peer with all the
> registration servers and all the registration servers only peer with the 1 *
> server, I call this the Registration Presence Server or RPS.  When a
> child/registration server does a lookup request to the RPS, the RPS does a
> lookup on all the other registration servers and knows who is registered
> where and relays that info back to the original requesting registration
> server.  Use a dundi ttl=1 in the RPS and ttl=2 in each registration server
> to avoid routing loops.  I'm still in the testing phase but it's going well,
> but I'm running into some cache timeout issues when a client drops off and
> re-registers to a different registration server, have to flush dundi to
> pickup the new location.  There is a cache timeout parameter I have yet to
> play with.
>
>         I don't have the load balancing session border controller function
> down yet, but that is on the list of things to do.
>
>         Hope this helps.
>
>         JR
>
>         JR Richardson
>         Engineering for the Masses
>
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