[124288] in North American Network Operators' Group
Re: "Is TDM going the way of dial-up?"
daemon@ATHENA.MIT.EDU (Stefan)
Tue Mar 30 02:48:22 2010
In-Reply-To: <4BACD644.5040803@bogus.com>
Date: Tue, 30 Mar 2010 01:47:43 -0500
From: Stefan <netfortius@gmail.com>
To: joel jaeggli <joelja@bogus.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Fri, Mar 26, 2010 at 10:44 AM, joel jaeggli <joelja@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. =A0Customers are moving to F=
TTH
>> and cable, or going WiMAX and Metro-Ethernet. =A0Ethernet seems to have
>> taken
>> an even bigger bite out of DS-3. =A0The bigger pipes seem to favor ether=
net.
>> A
>> recent upgrade from OC-3 to GigE transport actually saved us a large chu=
nk
>> of money.
>>
>> I'm wondering if others are seeing the same behavior, if it's
>> market-dependant, or if I'm just imagining things. =A0I'm working on
>> building
>> new infrastructure and my current thoughts are to minimize my TDM
>> footprint. =A0It would be useful to get a better feel if this is an over=
all
>> 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/fai=
lover
***Stefan Mititelu
http://twitter.com/netfortius
http://www.linkedin.com/in/netfortius