Thread-topic: [Fwd: [Saad] Some initiating thoughts...]
Hi Brian,
I'm having difficulty understanding the use-case scenario. Can you
expand on a scenario when this would be needed so I can better grasp
your point?
Thanks,
dbh
> -----Original Message-----
> From: Brian E Carpenter [mailto:brc@zurich.ibm.com]
> Sent: Wednesday, October 29, 2003 6:00 AM
> To: saad@ietf.org
> Subject: Re: [Fwd: [Saad] Some initiating thoughts...]
>
>
> Leslie Daigle wrote:
> >
> > I posted this a few days ago -- before, I think, people had
> > a chance to get subscribed. So, let me re-post it for
> > further discussion...
>
> And I've been carrying the attached minor comment around for
> two weeks...
> ...
> >
> > 3.2. Addressing Requirements of Enterprises
> ...
> > Some enterprises have addressing requirements caused by the
> need to set
> > up inter-enterprise Virtual Private Networks (VPNs). Also, at some
> > point in their existence most enterprises undergo some form
> of merger or
> > acquisition, and discover that they need to merge internal
> networks. In
> > both these circumstances there is a requirement to avoid the need to
> > renumber or to suffer from ambiguous addressing resulting from the
> > merger of two private address spaces.
>
> I think this misses another related requirement that may become very
> significant, in a future consisting of virtual organizations
> and on-demand
> computing environments. It may often be required for a set of
> enterprises
> to create a short-term "closed user group" of hosts that need
> transparent
> (firewall-free) interconnection for a period of time; this is
> like a dynamic
> merger followed some time later by a demerger. This is more
> demanding on the
> addressing (and routing) architecture than relatively static
> VPNs or one-time
> events like mergers.
>
> Brian
>
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