Re: Thinking differently about the site local problem (was: RE: site local addresses (was Re: Fw: Welcome to the InterNAT...))

Keith Moore <moore@cs.utk.edu> Fri, 28 March 2003 21:39 UTC

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Date: Fri, 28 Mar 2003 16:31:23 -0500
From: Keith Moore <moore@cs.utk.edu>
To: John C Klensin <john-ietf@jck.com>
Cc: moore@cs.utk.edu, Valdis.Kletnieks@vt.edu, oran@cisco.com, ietf@ietf.org
Subject: Re: Thinking differently about the site local problem (was: RE: site local addresses (was Re: Fw: Welcome to the InterNAT...))
Message-Id: <20030328163123.2eed6bbd.moore@cs.utk.edu>
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> Tony is right -- any registration process costs resources. 

agreed, though the cost of registering a domain name should serve as a useful
upper bound.  at least with address blocks you don't have to worry about I18N,
trademark infringement, etc.

> But,  if these addresses are assumed to be not routable, then there 
> shouldn't be any routing table bloat.  Put differently, once can 
> conceive of three ways to get addresses:
> 
> 	* From an RIR, as PI space
> 	
> 	* From an ISP, as PD CIDR space.  
>
> 	* From some other process, as long-prefix, almost
> 	certainly unroutable, isolated space. 

actually it's highly desirable if such addresses *are* routable by private
agreement, just not by default.

I don't see why we shouldn't be able to choose from the above three options.