[85946] in North American Network Operators' Group
Re: multi homing pressure
daemon@ATHENA.MIT.EDU (Mike Tancsa)
Wed Oct 19 13:40:15 2005
Date: Wed, 19 Oct 2005 13:36:38 -0400
To: "Elmar K. Bins" <elmi@4ever.de>, Todd Vierling <tv@duh.org>
From: Mike Tancsa <mike@sentex.net>
Cc: nanog@merit.edu
In-Reply-To: <20051019155942.GE38702@new.detebe.org>
Errors-To: owner-nanog@merit.edu
At 11:59 AM 19/10/2005, Elmar K. Bins wrote:
>tv@duh.org (Todd Vierling) wrote:
>
> > Tier-2s should be given much more credit than they typically are in
> > write-ups like this. When a customer is single homed to a tier-2 that has
> > multiple tier-1 upstreams, and uses a delegated netblock from the tier-2's
> > aggregations, that means one less ASN and one or more less routes in the
> > global table.
>
>That's the operators' view, but not the customer's.
>The customer wants redundancy.
The customer wants reliability and BGP is not necessarily the way for
them to do it. Telling a typical corporate IT department with
generalized IT skills (read no large Internetworking experience) to
now become BGP masters will only open up a news ways to disrupt their
network connectivity. There are better ways to do it as you describe below.
>So we should try to find a way to tell them "Hey, it's mostly Tier-1's
>(or wannabes) that play such games, stick to a trustworthy Tier-2.
>And, hey, btw., connect redundantly to them, so you have line failure
>resiliency and also a competent partner that cares for everything else."
Agreed!
---Mike
