nanog mailing list archives

Re: Asymmetrical routing opinions/debate


From: "Paul Ferguson" <fergdawg () netzero net>
Date: Tue, 15 Jan 2008 02:08:33 GMT


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- -- "Bill Stewart" <nonobvious () gmail com> wrote:


Essentially, if you don't control all the parts of the network that
your packet uses, you're not able to directly set optimization
parameters, so what you're doing to get symmetry is throwing lots of
hints at the network and hoping some will stick, and the parts of the
network that happen to cooperate with you may not be the best ones
that are otherwise available.


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."

:-)

- - ferg

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--
"Fergie", a.k.a. Paul Ferguson
 Engineering Architecture for the Internet
 fergdawg(at)netzero.net
 ferg's tech blog: http://fergdawg.blogspot.com/


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