Re: (ASCEND) Is the TNT OC3 ATM Card a true OC3 card?

["Dan Pinkard" <dpinkard@broadspan.com>]

Thanks for the note.

Unfortunately the only tech specs I've located refer to three buses, but no
indication as the the speed of each bus or the roles each part of the TNT
play in those buses.

d.p.

-----Original Message-----
From: Matt Holdrege <matt@ascend.com>
To: Dan Pinkard <dan@broadspan.net>
Cc: ascend-users@bungi.com <ascend-users@bungi.com>
Date: Sunday, February 28, 1999 9:05 PM
Subject: Re: (ASCEND) Is the TNT OC3 ATM Card a true OC3 card?


>The TNT has 3 separate buses. One for packet data, one for TDM and one for
>control. There ought to be an architecture guide on the web somewhere...
>
>
>At 04:07 PM 2/28/99 -0600, Dan Pinkard wrote:
>>
>>How seperate are the buses on a TNT? Does traffic from an ethernet
>>interface occupy a timeslot alongside any DS0 of traffic headed to a
>>resource card?
>>
>>On Mon, 8 Feb 1999, Matt Holdrege wrote:
>>
>>> At 08:47 PM 2/8/99 +0100, Eden Akhavi wrote:
>>> >Does the TNT OC3 support full OC3 or is it just a DS3 with OC3
Interface?
>>>
>>> It's a full OC3. But think about how much data you are transporting from
>>> the other interfaces. Realistically, would they generate much more than
>>> 45Mbps sustained?
>>>
>>> It would also depend on how much traffic is on the internal bus. Thanks
to
>>> the performance improvements we've made, we've reduced a lot of the
>>> extraneous traffic from the data bus. In optimal situations, you could
>>> generate a lot of traffic from the media cards to an OC-3 egress. But in
>>> most ISP situations, you have bursty traffic.
>>>
>>>
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>>
>>
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