Is NAT444 a realistic fix for IPv4 ?
http://spirent.com
This video will explain NAT444 sometimes known as Carrier Grade NAT (CGN) or Large Scale NAT (LSN). It will also explain some inherent weaknesses with this approach. For additional infomation read: http://www.businesscomputingworld.co.uk/ipv6-do-we-really-need-a-whole-new-internet/
Also check http://www.spirent.com
ipv4