Re: [RAM] LISP and the Global Internet Architecture

[Yakov Rekhter <yakov at juniper.net>]

Noel,

>     > From: "Fleischman, Eric" <eric.fleischman at boeing.com>
> 
>     > until IPv6 permitted PI addresses, it represented a mechanism that
>     > required large end users to be held captive to their ISPs. This is
>     > untenable to any end user and violates a fundamental law of economics
>     > that businesses support the needs of their customers.
> 
> This was certainly not the intent, or reason, that location-based
> addressing was put forward; rather, it was principally motivated by
> technical considerations. ("PA" is just a post-hoc label applied to
> something that came from technical considerations, hence its original
> names - "location-based addressing" or "connectivity-based addressing".)
> 
> You are correct that it had economic consequences that either weren't
> adequately considered, or taken into account (or perhaps both), at the
> time.
> 
> I think the whole IPv6 experience (and not just the PA/PI thing) has made
> us all much more sensitive to the need to try and understand the economics
> of the proposed deployment of any new stuff.
> 
> Which leads me to wonder what the future really is, though. What happens
> when the IPv4 addresses really do start to run out in a few years? Will we
> see a market develop for IPv4 addresses, plus continued use of NAT? Or will
> uSoft's attempt to drive IPv6 deployment by including it in Vista succeed?
> 
> And even more importantly, is there really any scope left for good
> fundamentals-based engineering, or will we always be restricted by
> economic/business considerations to the cheapest thing we can possibly come
> up with that more or less kludges the network into continued operation?

Whether something is a "kludge" is a matter of (a subjective) opinion. 

The choice between various options is *not* going to be driven by
whether one option is defined by some individuals as "good
fundamental-based engineering" vs another option is being defined
as a "kludge", but by the cost/benefit analysis between these two
options.

> Maybe it's time to switch out of networking (or just plain retire and
> take up building furniture :-).

Unless you willing to go bankrupt, building furniture will not get you 
out of the cost/benefit analysis :-)

Yakov.

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