At 5:16 PM +0000 9/21/02, Chuck's Long Road wrote: >""nrf"" wrote in message >[EMAIL PROTECTED]">news:[EMAIL PROTECTED]... >> Let me just add that while I agree that things like LANE are dying, ATM >over >> WAN is an extraordinarily important service in the sense that WAN ATM, as >> opposed to IP, actually generates profits (and significant profits at >that) >> for the provider. Practically every provider right now is losing money >> from IP services in general, and Internet access in particular. Carrier >> profits from data continue to be made from old-school services like ATM, >FR >> and the like. And, just like any other business, carriers will invest in >> what makes them profits and disinvest in what doesn't. >> > >CL: speaking from the telco sales side, I find that there is a lot more >flexibility available with ATM for many network applications. You can do >frame relay to ATM ( FRATM ) and DSL to ATM ( my employer calls this service >"RLAN") Yes gigabit services are coming in. But at the moment hub and spoke >gigbit services can be pricy, and the hub site needs lots of rack space for >the equipment, and more gig port capability, which costs extra, when >compared to something like DS3 or lower end OC connections. > >CL: also, ATM is not really that difficut to deal with in most situations. >It works the same way as frame relay. there is a new vocabulary you have to >learn. many telco people don't understand what they are selling you. in >turn, most customers don't know what to ask. the ATM alphabet soup is >overwhelming at first. > >CL: but really, as a telco customer, you can get into it pretty easily, and >use it effectively for voice and data. The real tough ATM stuff is on the >telco switch side. unless you are buying dark fiber and running your own ATM >network, using ATM switches, you needn't concern yourself with most of those >issues.
And in that space, MPLS is rapidly catching up as an alternative to ATM and raw SONET. It's no accident it's called "ATM without cells". MPLS, and especially MPLS VPNs, do have more of a telco learning curve than ATM. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=53810&t=53737 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
