Is it the best way ?
Which solution would be able to check the ser
availability bfore estabilsh
the connections
SER2
sip agents===DNS servers==[the solutions ??]==
SER1
Harry
--- sip <sip(a)arcdiv.com> a écrit :
We use Coyote Point load balancers (good, relatively
cheap, hardware
load-balancers) that monitor the connectivity to the
SER server. The problem
is that it ONLY monitors connectivity, so if your
SER is still accepting
connections to the socket, but then not working
correctly, it doesn't know the
difference.
Our SER works off a centrally-shared DB instead of a
replicated one (mysql
running from a SAN connected to both machines
through a SAN switch). That way,
if one of the servers goes down, the other one
picks up as if nothing ever
happened.
SER does not have stateful connections from the UA,
so if the server gets
switched in the middle of a conversation, it will
cut the conversation off...
but at least there will still be a server active for
additional connections.
N.
On Tue, 31 Jan 2006 13:24:00 +0100 (CET),
hgaillac-sip wrote
Do you know a solution !?
Harry
--- sip <sip(a)arcdiv.com> a écrit :
> Right. VRRP is for layer 2/3 but it's for
routing
> purposes.
>
> If you want to handle the application layer with
> failover, you need a
> load-balancer of some sort. That way, if one SER
> dies, the load balancer sends
> data on to the other one.
>
> N.
>
> On Tue, 31 Jan 2006 12:37:56 +0100 (CET),
> hgaillac-sip wrote
> > Hello,
> >
> > I think vrrp handle layer 2/3 not sip
application
> what
> > do you advise me ?
> >
> > Harry
> >
> > --- sip <sip(a)arcdiv.com> a écrit :
> >
> > > Sure. You can even use VRRP if there's no
SER in
> > > your network. I'm not sure
> > > what that has to do with SER, though.
> > >
> > > VRRP is router-side.
> > >
> > > N.
> > >
> > >
> > > On Tue, 31 Jan 2006 10:32:03 +0100 (CET),
> > > hgaillac-sip wrote
> > > > hello,
> > > >
> > > > Can we use VRRP when a SER is down ?
> > > >
> > > > SER1 (master)
> > > > sip agents == || === Asterisk
Farm==sip/pstn
> gateway
> > SER2 (slave)
> >
> > Regards
> > Harry
> >
> >
> >
> >
> >
> >
>
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