-----Original Message----- From: Cameron Byrne [mailto:cb.list6@gmail.com] Ip mobility via gtp or mobile ip generally does not work when you nat at the 'edge'. If you don't want your ip address to change every time you change cell sites, the nat has to be centralized.
Cb
Indeed, networks with some kind of anchor point (even xDSL networks with a LNS that terminates PPP sessions) really lend themselves to a big fat NAT box simply because there is a single point where all the connections appear anyway so why not have a single box doing NAT/DPI/etc as well? I'd agree that, usually, distributed is better but these are not distributed networks, there is a single point (or a few large single points) of contact. -- Leigh ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________