nanog mailing list archives

Re: Asymmetrical routing opinions/debate


From: Adrian Chadd <adrian () creative net au>
Date: Tue, 15 Jan 2008 11:47:34 +0900


On Tue, Jan 15, 2008, Paul Ferguson wrote:

I wish I could remember who to attribute this quote (maybe Geoff
Huston?), but paraphrasing:

"Asymmetric end-to-end traffic paths in The Internet is a fact of
life. Get over it."

I wish people wouldn't base their bloody netflow accounting systems
on perfectly symmetric traffic flows. Argh.

Its 2008 I still see the country academic backbone implement
symmetric netflow based accounting, and I get pissed off every time
a department gets charged thousands of dollars from a very much
local or internet-2 connected ISP, because of asymmetric flows.
FFS.



Adrian


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