[c-nsp] Carrier grade NAT44 & newest Cisco boxes

[Jean-Francois.TremblayING at videotron.com]

> We in europe have some pressure to have the ability to map the 
ip/port/timestamp 
> touple back to user. Of course nobody will be able to deliver the port 
together 
> with the ip and an accurate enough timestamp for this to be meaningfull.

Bulk Port Allocation (also called Port Range Allocation) is probably what 
you're looking for. 
It reduces logging requirements by several orders of magnitudes and your 
timestamping 
doesn't have to be as precise. This is a must to deploy any CGN, IMHO. 

Coming soon to your favorite Cisco CGN implementation, apparently... 

> I can see this becoming a larger problem when more nats appear on 
conventional 
> DSL / FTTx / Cable access products as opposed to just low bandwidth 
mobile networks.

Mobile networks aren't that low bandwidth anymore. They have the same 
issues with logging. 

/JF