nanog mailing list archives

Re: More Specifics of Classful Nets


From: Tim Wolfe <tim () clipper net>
Date: Mon, 6 Dec 1999 11:13:15 -0800 (PST)


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

--------------------------------------------------
* 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 *
--------------------------------------------------




Current thread: