[Asterisk-Users] Re: DUNDi .... Halfway and CLUSTERING

[David Thomas]

Brad,

How are you able to overcome the Call-ID stickiness problem when
loadbalancing with Ultramonky? As I understand it LVS does not
properly support SIP in that it doesn't always use the same source
path.

regards,
David

On 3/17/06, Watkins, Bradley <Bradley.Watkins at compuware.com> wrote:
> At the moment I'm out of the office, but when I return I'll be certain to do
> that.  Note that my solution is different from what you are working on with
> regexten, though I suspect some of the challenges that I've faced and
> overcome are not.  I'm actually using UltraMonkey for load-balancing and
> failover of the Asterisk boxes, and my dialplan is set up so that it need
> not be changed when extensions are added or removed.  I've been meaning for
> some time to do a write-up of how it all works, both in the hopes of giving
> my knowledge back to the community as well as learning some things that may
> help me improve the solution.
>
> I've had to make a couple of (minor) tweaks to both app_voicemail.c (to
> ensure proper password synchronization) and pbx_dundi.c.  The latter is for
> larger sites(more than one cluster since my clusters are designed as
> "buliding blocks" of two Asterisk systems), adding a count flag to return
> the number of matching records and the ability to return a specific record.
> The former, I suspect, would be unnecessary if I were using Realtime for
> voicemail.  But I'm not using Realtime for anything at the moment.
>
> Anyway, I apologize for not being able to answer you fully right now, but
> I've got this set to remind me to follow up on Monday.
>
> Regards,
> - Brad
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of JR Richardson
> Sent: Friday, March 17, 2006 12:27 AM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] RE: DUNDi .... Halfway and CLUSTERING
>
>
> Doug,
>
> I feel your pain.  I have, since 3 days ago, all but giving up on dundi in a
> enterprise/carrier core scalable environment, mostly due to no ability to
> summarize dial plan routes across several servers that may or may not have
> contiguous extensions registered across the cluster.
>
> Example server 1 has exten 1234, 1235, 1001, 1002 registered and server 2
> has 1236, 1237, 1003, 1004. But also in a failure or load balancing event,
> server 1 could have 1236, 1001, 1235, 1004 and server 2 could have 1237,
> 1234, 1002 and 1003 registered.
>
> The dynamic nature on maintaining extension state across many registration
> servers in real time, is not something dundi, realtime or
> regcontext/regexten can handle right now.  At least I haven't figured it out
> yet.
>
> Brad,
>
> Please be so kind to publish your dundi.conf configs and also dundi snips
> from extension.conf for server 1, server 2, server3......
>
> Thanks Guys.
>
> JR
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of
> asterisk-users-request at lists.digium.com
> Sent: Thursday, March 16, 2006 9:42 PM
> To: asterisk-users at lists.digium.com
> Subject: Asterisk-Users Digest, Vol 20, Issue 114
>
> Send Asterisk-Users mailing list submissions to
> 	asterisk-users at lists.digium.com
>
> Could you perhaps post your dundi.conf for both boxes?  I'm afraid this
> message doesn't mean anything to me, but I have about a dozen boxes doing
> DUNDi peering so I know what the config should look like.  But it's
> basically always worked for me.
>
> Regards,
> - Brad
>
>
>
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