[75123] in North American Network Operators' Group
Re: BitTorrent is 35% of traffic ?
daemon@ATHENA.MIT.EDU (Christian Kuhtz)
Fri Nov 5 10:45:23 2004
Date: Fri, 05 Nov 2004 10:44:43 -0500
From: "Christian Kuhtz" <christian.kuhtz@BellSouth.com>
To: "Marshall Eubanks" <tme@multicasttech.com>,
"Tony Li" <tony.li@tony.li>,
"Christopher L. Morrow" <christopher.morrow@mci.com>
Cc: "Deepak Jain" <deepak@ai.net>, <nanog@merit.edu>
In-Reply-To: <web-2528867@multicasttech.com>
Errors-To: owner-nanog-outgoing@merit.edu
On 11/4/04 8:12 PM, "Marshall Eubanks" <tme@multicasttech.com> wrote:
>=20
> Reality check
>=20
> This week's netflow for the Internet 2
> =20
> http://netflow.internet2.edu/weekly/20041025/
Yes, but, netflow (in terms of ip src/dst, protocol type, port numbers) =
is a
poor way of classifying traffic that works in a fashion similar to what
we're discussing here. P2p file sharing protocols is one =
instantiation..
SIP is another. =20
The commercial tools for classifying deeper than header info a la =
netflow
are out there already, although they may not be as "slick to deploy" as
netflow (which brings its own challenges) by turning on knobs in =
software on
existing routing equipment. The limitation is how motivated is the =
business
to deploy the gear, not whether viable equipment exists for exactly that
purpose..
Regards,
Christian
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