Todd Underwood was a little late

Owen DeLong owen at
Thu Jun 17 18:07:43 UTC 2010

For those that missed the presentation, it was a real eye-opener on just
how important it is for you to move forward with IPv6 before something like
this actually starts getting implemented.


On Jun 17, 2010, at 10:31 AM, Todd Underwood wrote:

> jon, all,
> i've received several questions about the context of this mail, so i
> thought it would be worth posting to clear up the reference.
> for those who missed it, i presented a lightning talk at nanog 49 in
> san francisco yesterday on some very early conceptual work on a really
> interesting strategy to dramatically extend the useful life of v4
> prefixes.  the talk is linked from:
> and i encourage people to
> take a look at it.
> if you like the general idea (Probabilistic Assignment of Prefixes:  a
> System for Managing and Extending Address Resources is what some
> people are starting to call it), i'd encourage you to take the
> suggestion made at the mic by mark kosters, cto of arin, and work to
> help refine the proposal and establish a useful policy framework
> around its implementation.
> work is needed especially in collision domain modeling and count of
> resource implications for the operational overhead per prefix.
> experience with high flow rate instrumentation is likely to be needed
> in the near future as well.
> i wanted to thank everyone for the kind words and suggestions after
> the presentation and look forward to productively exploring this idea.
> cheers,
> todd underwood
> toddunder at

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