From: Matheus, Joshua (Joshua.Matheus@xxxxxx)
Date: Fri Mar 08 2002 - 14:52:01 GMT-3
Another situation beside the dual homed edge routers may be that you have a
large network that has a WAN that spans multiple regions (US, Europe, ASIA,
Japan, etc...) all with separate IGP domains. BGP is an ideal protocol to
control traffic flow and routing policy between separate IGP AS's because of
the feature set it includes. When the IGP is OSPF it helps to provide
another tier to OSPF's 2 Layer hierarchy. This keeps your routing
infrastructure consistent with a Core, Distribution, and Access model.
-Josh
-----Original Message-----
From: McCallum, Robert [mailto:Robert.McCallum@let-it-be-thus.com]
Sent: Friday, March 08, 2002 10:25 AM
To: 'Ccielab' (E-mail)
Subject: WHY BGP
Question.
Why would a company want BGP?
In what scenarios would it be good working policy to actually sell them BGP
instead of advertising their netblock through redistribution means and
giving them a default route.
I have struggled with this question for a while and I can't really come up
with any hard evidence to the benefits of BGP for a customer.
I mean what does BGP give a customer?
Any thoughts welcome
Robert McCallum CCIE #8757
Data Network Engineer
Ext 730 3448
DDI : 01415663448
Mobile : 07818002241
"You can swim all day in the Sea of Knowledge and
still come out completely dry. Most people do."
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