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RE: Multihoming Issues

"Tony Hain" <alh-ietf@tndh.net> Mon, 23 September 2002 21:14 UTC

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Reply-To: alh-ietf@tndh.net
From: Tony Hain <alh-ietf@tndh.net>
To: 'Simon Leinen' <simon@limmat.switch.ch>, 'David Conrad' <david.conrad@nominum.com>
Cc: 'Fred Baker' <fred@cisco.com>, 'Sister Sibling' <ccs522g9@yahoo.com>, 'ietf' <ietf@ietf.org>, iesg@ietf.org
Subject: RE: Multihoming Issues
Date: Fri, 13 Sep 2002 14:18:01 -0700
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Simon Leinen wrote:
> ...
> If you want to enjoy the FULL benefits of multi-homing, all 
> the other folks you want to community with must be 
> multi-homed too, so that there are no single points of failure :-)
> 
> Probably the typical site could achieve 95% of the benefits 
> of multihoming with an impact on only 5% of the global Internet.\

Depends on what your definition of benefits is...

> 
> What is needed is some sort of feedback loop that weighs the 
> interest of multi-homing entities against its impact on 
> remote parts of the infrastructure.

That is the basis of the multi-6 wg requirements document. Unfortunately
there are so many competing interests that it is impossible to meet them
all with a simple solution. The end sites want capabilities that strain
the resources of the service providers, and the service providers want
approaches that are non-starters for the end sites. 

Tony

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