Re: Documenting rules for the Private Enterprise Numbers registry: draft-liang-iana-pen-00

Hi -

> From: "Bert Wijnen (IETF)" <[email protected]>
> To: "Alexey Melnikov" <[email protected]>; <[email protected]>
> Cc: <[email protected]>
> Sent: Wednesday, May 09, 2012 8:03 AM
> Subject: Re: [OPS-AREA] Documenting rules for the Private Enterprise Numbers registry: draft-liang-iana-pen-00
...
> How can we be assured that the once assigned PEN is not being used
> anywhere in the digital world? What is someone is still using it in
> some obsoleted/no-longer-supported product? Should he/she run the
> risk that it conflicts with a possible new assignment/allocation?

Agreed.  Even if the assignee never used the arc, we have no way of knowing
whether someone else has built knowledge of that one-time assignment
into a product.

Randy