True there is the "cell tax", but my reading indicates that ATM in general is more efficient that frame or T1 even. As much as 905, as opposed to the 60-70% that frame and T1 can claim. more than makes up for the "cell tax"
Chuck -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Patrick Ramsey Sent: Thursday, October 04, 2001 8:02 AM To: [EMAIL PROTECTED] Subject: Re: Opinions: ATM or FR for VoIP? [7:21948] 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 Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=22167&t=21948 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
