North American Network Operators Group
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Re: representativeness of flow data based on samples
- From: Jennifer Rexford
- Date: Thu Jan 31 13:30:08 2002
> There are a few vendors who now provide traffic export from high-speed
> interfaces by sampling those interfaces at a particular rate, and
> using the sampled packets to populate the per-flow counters, rather
> than looking at every packet.
Folks might be interested in the Internet Draft on "A framework for
passive packet measurement" that focuses on packet sampling. See
http://www.ietf.org/internet-drafts/draft-duffield-framework-papame-00.txt
There's a public mailing list at
listname : psamp@ops.ietf.org
subscribe: psamp-request@ops.ietf.org (with "subscribe" as the message)
archive : https://ops.ietf.org/lists/psamp/
The goal is to define a minimal set of requirements that need to be
supported in routers (or line cards) to meet the needs of folks that
operate networks. Feedback more than welcome!
-- Jen
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