mostly uptime from the provider but cell is also a driving force. We have
just rolled
ATM out (about 3 months ago) and it seems that I am fielding frame outages
reguarly and
my new ATM sites have been more stable. We are 24x7, so outages are ugly to
us.....

Patrick Ramsey wrote:

> hmmm that is interesting... Even with ATM's overhead?  Is there that much
> more reliabillity? (I'm never done voice over either)  Is reliabillity the
> only advantage?
>
> And why is it more reliable?  Do you mean with packet/cell loss or uptime
> from the provider?
>
> -Patrick
>
> >>> "George Murphy CCNP, CCDP"  10/04/01 02:17AM >>>
> I would go ATM, due to transport architecture and reliability, especially
> with voice...
>
> John Neiberger wrote:
>
> > Just a quick opinion poll for those of you who have implemented VoIP.
> > Given a medium-sized partially-meshed network, would you prefer to use
> > ATM or Frame Relay for your transport?  Assume that most locations would
> > have DS1 speeds only.
> >
> > I ask this because I've been hearing a mixture of opinions.  It seems
> > to me that ATM would allow us to utilize its CoS.  With FR you don't
> > have much control over your traffic beyond FRTS and LLQ.  Once it hits
> > the cloud you're at its mercy.
> >
> > However, I haven't heard any details yet but apparently someone at
> > Cisco thinks that ATM has some scalability problems that FR doesn't
> > have.  I can't imagine what that would be so it will be interesting to
> > hear what he has to say.  I'd be surprised if he suggests FR instead of
> > ATM.
> >
> > Right now, we have a large frame relay network but I'm seriously
> > considering migrating portions of it to ATM.  After hearing these
> > conflicting opinions I'm really not sure which path to take.
> >
> > Any thoughts?
> >
> > Thanks,
> > John




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