Margaret,
If this is just a theoretical edge case, then the offices that I support
are mostly theory. Without going into specifics, this IS a real-life case.
Gary
Margaret Wasserman <[EMAIL PROTECTED]>@sunroof.eng.sun.com on 11/13/2002
05:01:25 PM
Sent by: [EMAIL PROTECTED]
To: "Brian Zill" <[EMAIL PROTECTED]>
cc: "Brian E Carpenter" <[EMAIL PROTECTED]>,
<[EMAIL PROTECTED]>
Subject: RE: Summary Re: Proposal for site-local clean-up
How often do you think that people really set-up a private,
disconnected network and later connect it to the Internet?
Do you think this will be a common real-life case, or is this
more of a theoretical edge case?
Margaret
At 04:51 PM 11/13/02, Brian Zill wrote:
>Brian Carpenter writes:
> > 3. Can't stop NAT's anyway. (several people).
> > That may sadly be true, but we shouldn't publish
> > specs that seem to encourage them.
>
>I would argue the opposite -- *preventing* site-locals and globals from
>co-existing encourages NAT. We're better off today than we would be
>with that restriction.
>
>Case study: A site has a disconnected network happily using site-locals.
>These addresses get embedded in all sorts of configuration scripts, etc.
>Then they decide to connect to the Internet and get a global prefix from
>their ISP.
>
>Today: They just advertise the new global prefix alongside the
>site-local prefix, all their hard-coded addresses continue to work.
>
>With restriction on mixing site-local and global addresses: They need to
>renumber their network and find all the places addresses have been
>specified in config files and the like. Or they could just use a v6
>NAT. Which do you think will happen?
>
>--Brian
>
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