[Asterisk-Users] Clustering

[Kristian Larsson]

On Sun, Mar 12, 2006 at 01:29:01PM -0700, Ron McCarthy wrote:
> Regarding OSPF, so your saying you have multiple * boxes setup with same
> exact config and then just have OSPF fail everthing over to the new server
> if it cant get to it? That makes sense, just never of even thought of doing
> it that way. Heck, if you want to get real complex just run BGP and you
> could then setup priorties for each server and all kinds of cool stuff.
BGP is not better suited for this then OSPF is. By
default it is slower and you simply don't need
everything that's in BGP.
OSPF with fast hellos is a much cleaner approach,
and you can set costs for interfaces.

   Kristian.
> 
> Are you then using regexten on all servers so when a * tries to make a call
> it can find where to go, or are you using something else?
> 
> Thanks!
> Ron
> 
> On 3/12/06, Douglas Garstang <dgarstang at oneeighty.com> wrote:
> >
> > It doesn't. It's transparent to the user agent.
> >
> > -----Original Message-----
> > From: Wai Wu [mailto:wwu at Calltrol.com]
> > Sent: Sunday, March 12, 2006 9:40 AM
> > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > Subject: RE: [Asterisk-Users] Clustering
> >
> >
> > How does OSPF tell the remote end (assuming he does not know your setup)
> > start sending RTP packets to the other interface?
> >
> > -----Original Message-----
> > From: asterisk-users-bounces at lists.digium.com
> > [mailto:asterisk-users-bounces at lists.digium.com]On Behalf Of Douglas
> > Garstang
> > Sent: Sunday, March 12, 2006 1:41 AM
> > To: Asterisk Users Mailing List - Non-Commercial Discussion; Asterisk
> > Users Mailing List - Non-Commercial Discussion
> > Subject: RE: [Asterisk-Users] Clustering
> >
> >
> > No, only if a network interface in the server fails. We have two network
> > interfaces per system (actually we have four, but two are on a private
> > network with a MySQL server). If one of the network interfaces fails, OSPF
> > will switch the default route over to the other interface pretty quick
> > smart. There's probably a little luck involved here too.
> >
> >         -----Original Message-----
> >         From: Gabriel Afana [mailto:asterisk at gafana.com]
> >         Sent: Sat 3/11/2006 10:07 PM
> >         To: Asterisk Users Mailing List - Non-Commercial Discussion
> >         Cc:
> >         Subject: Re: [Asterisk-Users] Clustering
> >
> >
> >
> >         So you are actually able to maintain a call in progress even if
> > the server
> >         its connected to fails (by routing to another)?
> >
> >         - Gabe
> >
> >         ----- Original Message -----
> >         From: "David Coulson" <david at davidcoulson.net>
> >         To: "Asterisk Users Mailing List - Non-Commercial Discussion"
> >         <asterisk-users at lists.digium.com>
> >         Sent: Saturday, March 11, 2006 7:15 PM
> >         Subject: Re: [Asterisk-Users] Clustering
> >
> >
> >         >
> >         > >     From what I can find online, OSPF seems to be a technology
> > or
> >         method,
> >         > > not necessarily a program.  What are you using to perform
> > OSPF?
> >         >
> >         > OSPF is a routing protocol. Quagga (quagga.net) is a good open
> > source
> >         > implementation of OSPF for Unix.
> >         >
> >         > David
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-- 
Kristian Larsson, Net At Once AB
Email: kristian at netatonce.se
Phone: +46 470 592717
Cell: +46 704 910401