ISP Policies

Fri Sep 10 06:12:08 UTC 2004

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 at towardex.com                  Boston-based Colocation & Bandwidth Services
cell: 1(978)-394-2867           web: http://www.towardex.com , noc: www.twdx.net