RE: another renumbering question

[Richard Draves]

> I think there are two motivations for site-locals (that not everybody
> agrees with):
> 1. For sites that are isolated i.e. do not have a global prefix.
> 2. To completely isolate traffic local to a site from 
> site-renumbering events.

Let me add a third motivation - site-local addresses allow for very
simple security policies or filters. For example the default
configuration for a file server might be to provide service only to
site-local clients.

Rich
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