[5]. These approaches have been designed to enable packet delivery while a mobile device is away from its home base. Supporting these requirements efficiently in an integrated wired-wireless global network will require major changes
[6]. Thus, the broad architectural challenge facing the wireless and network research communities is that of either evolving or redesigning the Internet architecture to efficiently incorporate emerging wireless network elements such as mobile terminals, ad-hoc routers and embedded sensors and to provide end-to-end service abstractions that facilitate application development
[7]. Several protocols and mechanisms have been developed to Support inter- domain mobility and intra-domain mobility for multimedia services in the Internet.