ICR "Unique Identifiers"

[Roland Perry]

In article <e2ek3bp6mckp2ld9bv5hnvejdj9b5tlvgb at 4ax.com>, Marcus 
Williamson <marcus at connectotel.com> writes

>This statement in the document is false, as far as I can see from a technical
>perspective:
>
>"ICRs therefore provide the unique identifier to distinguish between different
>users of a shared IP address"

I'm sure that this is about identifying the users behind 
carrier-grade-NAT. Which is widespread on 3G and being rolled out by BT 
to its broadband customers on the cheapest tariffs (as an IPv4 
exhaustion measure rather than anything more sinister).

-- 
Roland Perry