[26147] in North American Network Operators' Group

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Re: More Specifics of Classful Nets

daemon@ATHENA.MIT.EDU (Tim Wolfe)
Mon Dec 6 14:15:08 1999

Date: Mon, 6 Dec 1999 11:13:15 -0800 (PST)
From: Tim Wolfe <tim@clipper.net>
To: "Steve E. Powell" <sep@ans.net>
Cc: nanog@merit.edu
In-Reply-To: <199912061732.MAA04178@milkman.aa.ans.net>
Message-ID: <Pine.LNX.4.02.9912061110490.28400-100000@mail.clipper.net>
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Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu


On Mon, 6 Dec 1999, Steve E. Powell wrote:

> What if the operator had the capability to accept routes based on
> the ratio of good prefixes to bad prefixes received where a bad
> prefix is defined as a more specific of a classful network or a

So Provider A announces his ten /15 CIDR blocks to Provider B, aggregating
huge numbers of IPs into those ten announcements.  He then wishes to
announce 20 "bad" prefixes from customers of /21 or longer.  Under your
plan, that doesn't fly.  Why is it that we assume that a "large" provider
has to be announcing many routes?

-- Tim

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* Timothy M. Wolfe, Chief Network Engineer       *
* ClipperNet Corporation / It's a wireless world *
* tim@clipper.net 800.338.2629 x 402	         *
* Sufficient for today = Inadequate for tomorrow *
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