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

Eliot Lear <lear@cisco.com> Mon, 31 March 2003 20:20 UTC

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Date: Mon, 31 Mar 2003 12:17:44 -0800
From: Eliot Lear <lear@cisco.com>
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To: alh-ietf@tndh.net
CC: 'Margaret Wasserman' <mrw@windriver.com>, 'Christian Huitema' <huitema@windows.microsoft.com>, 'Keith Moore' <moore@cs.utk.edu>, ietf@ietf.org
Subject: Re: Thinking differently about the site local problem (was: RE: site local addresses (was Re: Fw: Welcome to the InterNAT...))
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Tony Hain wrote:
> Margaret Wasserman wrote:
> 
>>Of course, in the case of site-local addresses, you don't 
>>know for sure that you reached the _correct_ peer, unless you 
>>know for sure that the node you want to reach is in your 
>>site.  
> 
> 
> Since the address block is ambiguous, routing will assure that if you
> reach a node it is the correct one. This FUD needs to stop!


Right up till the point where two companies start communicating with one 
another directly with site-locals.  Even if there is a router frob to 
keep the scopes scoped, you can bet it won't be used until someone 
realizes that the above problem occurred.

Eliot

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