[2601] in Commercialization & Privatization of the Internet
Re: Network World article Raises New Questions on T-3 Network
daemon@ATHENA.MIT.EDU (Jim Forster)
Fri Mar 20 03:25:22 1992
To: cook@tmn.com (Gordon Cook)
Cc: com-priv@psi.com
Date: Fri, 20 Mar 92 00:22:28 PST
From: Jim Forster <forster@cisco.com>
Gordon,
The quick answer is that yes, the AGS+ is a T-3 router. We use V.35 only
for slow speed links (T-1), and use HSSI for T-3 or sub-rate T-3. We can
easily fill full-rate T-3 links.
I don't know the details of this particular situation, so I'll refrain from
further comments.
-- Jim
>> ANS officials have blamed the problems on the IBM prototype T-3 router
>> interface cards. Last dceember ANS bought the cisco T-3 routers to
>> supplement the IBM equipment on the T-3 backbone. the problems ANS is now
>> experiencing with the Cisco T-3 router, which others have said can operate
>> at only up tp 6.318 mega bits per second because of its v35 interface
>> lmitations, raise the questions of whether technical limits to high spped
>> routing exist in complex environments such as the internet. . .. "
>>
>> Phew! not the clearest thing i ever read. Is the Cisco AGS+ a t-3
>> router? What's this about a v35 inteface limiting it to 6 plus megabits
>> per sec.???> And what's the talk about limits to high speed routing in
>> complex environments such as the internet? I thought we were in a march
>> to gigabits. And how are the problems that ans has experienced now to be
>> blamed on CISCO? Or are they? I am sure this is clear to memebers of the
>> IETF. however it sure is *NOT* clear to me and I'd bet it isn't very
>> clear to the majority of the list.
