On Fri, Mar 26, 2010 at 10:44 AM, joel jaeggli <joe...@bogus.com> wrote: > On 3/26/2010 8:15 AM, Rick Ernst wrote: >> >> I've noticed over the last 3 years or so that TDM, specifically T-1, >> access >> and transport has been in a steady decline. Customers are moving to FTTH >> and cable, or going WiMAX and Metro-Ethernet. Ethernet seems to have >> taken >> an even bigger bite out of DS-3. The bigger pipes seem to favor ethernet. >> A >> recent upgrade from OC-3 to GigE transport actually saved us a large chunk >> of money. >> >> I'm wondering if others are seeing the same behavior, if it's >> market-dependant, or if I'm just imagining things. I'm working on >> building >> new infrastructure and my current thoughts are to minimize my TDM >> footprint. It would be useful to get a better feel if this is an overall >> trend or something local. >> > > Why I think it comes down to is do you want to use frame-relay, atm, sdh and > ethernet when you can just use ethernet? > > lan-phy ethernet has economies of scale that result in lower cost along > virtually every dimension relative to the alternatives. > >> Thoughts? >> >> Thanks, >> >>
Diversity, in case of locations meant to be used as each other's backup/failover ***Stefan Mititelu http://twitter.com/netfortius http://www.linkedin.com/in/netfortius