Layer-2 IP networking method and apparatus for mobile hosts

Details Layer-2 IP networking method and apparatus for mobile hosts Layer-2 IP networking method and apparatus for mobile hosts

2006-06-06

2006-06-06

Qureshi, Afsar (Department: 2667)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S338000, C370S392000, C370S409000, C709S238000

Reexamination Certificate

active

07058059

ABSTRACT:
A method and apparatus to enable IP networking for mobile hosts without requiring changes to be made to the TCP/IP stack in the operating system installed on the mobile hosts. The apparatus is an “intelligent device” that can be installed on or connected to a mobile host, and may comprise a software-only logical module, physical hardware, or a combination of both. To a mobile host, the intelligent device emulates a network interface such as an Ethernet card or a telephone modem. The intelligent device appears to an access network just like any regular IP host connected to the access network through a physical network interface device. The intelligent device handles all mobile networking functions for the mobile host, and may control multiple different physical network interface devices to enable a connection to the “best” access network available to the mobile user at his location.

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