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RE: fighting cidr dead ending (was: RE: CIDR Report)

  • From: Dmitri Krioukov
  • Date: Mon May 15 17:40:05 2000

> -----Original Message-----
> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu]On Behalf Of
> Dmitri Krioukov
> Sent: Monday, May 15, 2000 5:46 PM
> To: rmeyer@mhsc.com; 'brett watson'; nanog@merit.edu
> Subject: fighting cidr dead ending (was: RE: CIDR Report)
> 
> 
> 
> > -----Original Message-----
> > From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu]On Behalf Of
> > Roeland Meyer (E-mail)
> > Sent: Monday, May 15, 2000 3:31 PM
> > To: 'brett watson'; nanog@merit.edu
> > Subject: RE: CIDR Report 
> > 
> > Under the current system, what we are forced to do is either obtain a
> > /24 for each location (even when there are <16 hosts there), or
> 
> so, basically we have this very common
> and well understood situation that there
> are some customers who do not require large
> blocks but who want to see their small pi blocks
> advertised and routable more or less everywhere
> (if those blocks are pa, how many over there are
> using the second option from rfc2260? if not that
> many, what's wrong with that?). among these customers,
> there is some portion, who may be educated that they do
> not really need what they ask for. the other portion
> either cannot be educated or does really need that. as
> for "interim" :) solution, i cannot see much problem
> (except significant coordination effort) in having
> (regional) irs allocating blocks, from which longer
> (than /24) prefixes would be acceptable even by verio.
> this way, verio would be happy filtering all longer
> prefixes except from these well-known blocks and the
> address space wouldn't be wasted on the aforementioned
> customers.
> 
> some tables may be even created matching allowed prefix
> lengths and the well-known block(s) for them.

it looks like i'm reinventing the classfull routing, though :)

> --
> dima.
--
dima.







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