Get as much IP space as you ever dreamed of, was: Re: Looking to buy IPv4 addresses from class C swamp

Tue Apr 29 01:41:22 UTC 2003

Except it's impossible to know today who you'll need to connect to 2 years
from now and know whether or not your space will collide, especially if
you're connecting to ~1000 such companies.

-----Original Message-----
From: Niels Bakker [mailto:niels=nanog at bakker.net] 
Sent: Monday, April 28, 2003 7:11 PM
To: nanog at merit.edu
Subject: Re: Get as much IP space as you ever dreamed of, was: Re: Looking
to buy IPv4 addresses from class C swamp

* stephen at sprunk.org (Stephen Sprunk) [Tue 29 Apr 2003, 00:50 CEST]:
> N companies can have up to N(N-1) interconnections, which requires 
> either:
> a) double NAT, with a single address range for all interconnects
> b) no NAT, with a unique address range for each interconnect
> c) very careful management of the RFC1918 space such that no two companies
> talking have a collision
> d) globally unique addresses for each participant using RIRs
> 
> (c) simply doesn't work in reality, (b) is no better than (d), and (a) 
> is beyond ugly not to mention incompatible with many apps.

d) is basically having the Internet community pay - both in real money for
staffing at RIRs and in scarce IP address space - for no benefit in return
at all for a function that those N companies should have an institution
perform for them via c).

Regards,

	-- Niels.

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