can vpn's extended to mobility

[dheep vijay b]

It would be of great pleasure if any one could help me finding the solution for whether " vpn's could be extended for mobile computing" if so  how to  go abt.   In the recent advancement in cellular phones ,it is made possible to browse the internet .when this is made possible will it be able to implement vpn in cell phones.if so pls help me to know more abt it   Im intrested to know more abt WAP(Wireless Application Protocol ) pls do guide me for a better website   thank u.   hopefully waiting for a 'XAVIER'   venkatesh   mail me [EMAIL PROTECTED]