[c-nsp] large scale NAT/PAT solution

[Ong Beng Hui]

Goran Gajic wrote:
> 
> Problem is that users are charged differenty if they are using real ip 
> addresses or if private ip addresses are NATed or PATed.

Just an idea... put a cache engine that does WCCP inbound transparency caching
on your 7200 to offset the NAT on web traffic. so private address web traffic
got redirect to your cache engine. Cache engine fetch the web pages from
internet with a public ip address without NAT.