[56407] in North American Network Operators' Group

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Re: 923 Mbps across the Ocean ...

daemon@ATHENA.MIT.EDU (Marshall Eubanks)
Fri Mar 7 16:50:52 2003

Date: Fri, 7 Mar 2003 16:49:54 -0500
Cc: nanog@nanog.org
To: Mikael Abrahamsson <swmike@swm.pp.se>
From: Marshall Eubanks <tme@multicasttech.com>
In-Reply-To: <Pine.LNX.4.44.0303072205300.3222-100000@uplift.swm.pp.se>
Errors-To: owner-nanog-outgoing@merit.edu


Hello;

There was a 1.5 Gigabit per second uncompressed HDTV stream that was sent
U Washington to DC.

http://www.washington.edu/hdtv/next-gen.html

True, that was sent RTP over  UDP, but if I was
going to send that data rate over a _dedicated_ link, I would use UDP. 
The
very high bit rate applications I have been involved with could all 
tolerate
some loss, and for the others, a little FEC could go a long way.

On Friday, March 7, 2003, at 04:09  PM, Mikael Abrahamsson wrote:

>
> On Fri, 7 Mar 2003, Richard A Steenbergen wrote:
>
>> Production commercial networks need not apply, 'lest someone realize 
>> that
>> they blow away these speed records on a regular basis.
>
> What kind of production environment needs a single TCP stream of data
> at 1 gigabit/s over a 150ms latency link?
>
> Just the fact that you need a ~20 megabyte TCP window size to achieve 
> this
> (feel free to correct me if I'm wrong here) seems kind of unusal to me.
>
> --
> Mikael Abrahamsson    email: swmike@swm.pp.se
>
>
                                  Regards
                                  Marshall Eubanks

T.M. Eubanks
Multicast Technologies, Inc.
Phone : 703-293-9601       Fax     : 703-293-9609
e-mail : tme@multicasttech.com
http://www.multicasttech.com

  Our New Multicast Workshop :
  http://www.multicasttech.com/workshop


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