[ppml] Motivating migration to IPv6

[Craig Finseth]

	...
   So, as a favour to us all, *please* don't propose any solutions which
   require handing out more than *one* PI block to any organization. Two,
	...

If you modify it to one per organization * Internet connection, it
makes sense.

Large organizations have multiple, independent connections.  E.g.,
multinational X may have a connection in the US and one in Europe and
it makes sense for them to be different prefixes.

Craig