[48826] in North American Network Operators' Group

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Re: remember the "diameter of the internet"?

daemon@ATHENA.MIT.EDU (E.B. Dreger)
Tue Jun 18 14:44:04 2002

Date: Tue, 18 Jun 2002 18:39:45 +0000 (GMT)
From: "E.B. Dreger" <eddy+public+spam@noc.everquick.net>
To: "Stephen J. Wilcox" <steve@opaltelecom.co.uk>
Cc: Mathew Lodge <mathew@cplane.com>,
	Pawlukiewicz Jane <pawlukiewicz_jane@bah.com>,
	brett watson <brett@the-watsons.org>,
	"nanog@merit.edu" <nanog@merit.edu>
In-Reply-To: <Pine.LNX.4.21.0206181926170.8598-100000@staff.opaltelecom.net>
Errors-To: owner-nanog-outgoing@merit.edu


SJW> Date: Tue, 18 Jun 2002 19:28:41 +0100 (BST)
SJW> From: Stephen J. Wilcox


SJW> BGP first checks all kinds of network admin defined things
SJW> such as local prefs etc which ought to be properly set by
SJW> the admins to ensure traffic is going the best way (which
SJW> should include local interconnects rather than last resort
SJW> transits). Then all things being well BGP can make choices
SJW> on path!

That's what happened here.  Rather than transitting the traffic
via a "last resort" across town/state, the higher local-pref of a
"local" peer won.

Geography requirements for peers aren't inherently bad.  There's
a point where things get extreme, but it would be nice to see
nationals peer in the south as well.  If one has peering
requirements, at least set them to reach a positive goal...


Eddy
--
Brotsman & Dreger, Inc. - EverQuick Internet Division
Bandwidth, consulting, e-commerce, hosting, and network building
Phone: +1 (785) 865-5885 Lawrence and [inter]national
Phone: +1 (316) 794-8922 Wichita

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