[173561] in North American Network Operators' Group
Re: Richard Bennett, NANOG posting, and Integrity
daemon@ATHENA.MIT.EDU (Bill Woodcock)
Mon Jul 28 12:36:58 2014
X-Original-To: nanog@nanog.org
From: Bill Woodcock <woody@pch.net>
In-Reply-To: <CAP-guGXGd36LRQS0wCOMRQzpw6-4F34w+NnkEkux+fmS9M8F3w@mail.gmail.com>
Date: Mon, 28 Jul 2014 09:36:35 -0700
To: William Herrin <bill@herrin.us>
Cc: North American Network Operators Group <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
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On Jul 28, 2014, at 9:28 AM, William Herrin <bill@herrin.us> wrote:
> The data set suffers three flaws:
Depending on your point of view, a lot more than three, undoubtedly.
> 1. It is not representative of the actual traffic flows on the =
Internet.
There are an infinite number of things it=92s not representative of, but =
it also doesn=92t claim to be representative of them. Traffic flows on =
the Internet is a different survey of a different thing, but if someone =
can figure out how to do it well, I would be very supportive of their =
effort. It's a _much_ more difficult survey to do, since it requires =
getting people to pony up their unanonymized netflow data, which they=92re=
a lot less likely to do, en masse, than their peering data. We=92ve =
been trying to figure out a way to do it on a large and representative =
enough scale to matter for twenty years, without too much headway. The =
larger the Internet gets, the more difficult it is to survey well, so =
the problem gets harder with time, rather than easier.
> That having been said, kudos for the excellent research. As far as
> objective numbers go, yours are more thorough than any others I've
> seen.
Thank you. We look forward to your participation in the next one! :-)
-Bill
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