[73985] in North American Network Operators' Group

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Re: ISP Policies

daemon@ATHENA.MIT.EDU (James)
Fri Sep 10 02:12:55 2004

Date: Fri, 10 Sep 2004 02:12:08 -0400
From: James <haesu@towardex.com>
To: Rohit Gupta <rohitgupta416@indiatimes.com>
Cc: nanog@merit.edu
In-Reply-To: <200409100537.LAA21994@WS0005.indiatimes.com>
Errors-To: owner-nanog-outgoing@merit.edu


On Fri, Sep 10, 2004 at 11:36:58AM +0530, Rohit Gupta wrote:
> On a related note : Do ISPs ever tweak around with Local Prefs and weights so as to select BGP paths with greater AS PATH length?
> 
> Would it ever make sense for a provider to chose a longer AS PATH length BGP route against a shorter AS PATH length route?
> 

Yes many do -> Prefer your customer routes via customer interfaces, over
transit and peering interfaces.

Higher LP over cust interfaces = more bits = more revenue. There is nothing
wrong with this IMO, considering many of them who do this, also provide
a community for customers to override this behaviour.

-J


-- 
James Jun                                            TowardEX Technologies, Inc.
Technical Lead                        Network Design, Consulting, IT Outsourcing
james@towardex.com                  Boston-based Colocation & Bandwidth Services
cell: 1(978)-394-2867           web: http://www.towardex.com , noc: www.twdx.net

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