Method for SIP-mobility and mobile-IP coexistence

Details Method for SIP-mobility and mobile-IP coexistence Method for SIP-mobility and mobile-IP coexistence

2007-10-02

2007-10-02

Nguyen, Duc M. (Department: 2618)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S331000, C370S338000, C370S493000, C455S552100, C455S436000, C455S445000

Reexamination Certificate

active

10703278

ABSTRACT:
A wireless electronic device includes a first application to output a first packet through a first virtual interface as a wireless electronic device moves from a home subnetwork to a foreign subnetwork. The wireless electronic device also includes a second application utilizing the Mobile Internet Protocol (Mobile IP protocol) to output a second packet through a second interface as the wireless electronic device moves from the home subnetwork to the foreign subnetwork. A common physical interface is tied to the first virtual interface and the second interface of the wireless electronic device, wherein the physical interface of the wireless electronic device receives the first packet and the second packet, and outputs the first packet and the second packet from the wireless electronic device after the wireless electronic device has moved.

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E. Wedlund and H. Schlzrinne, “Mobility support using SIP”, Second ACM/IEEE International Conference on Wireless and Mobile Multimedia, Seatle, Washington, pp. 1-9, Aug. 1999.

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