Method and apparatus for implementing direct routing

Details Method and apparatus for implementing direct routing Method and apparatus for implementing direct routing

2004-10-15

2008-09-16

Urban, Edward (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C370S328000, C370S351000, C709S238000

Reexamination Certificate

active

07426389

ABSTRACT:
A method and apparatus are provided for implementing direct routing. An Internet Protocol (IP) packet sent from a first mobile node to a second mobile node is received at a foreign agent for a foreign network, wherein both the first and second mobile nodes are visiting the foreign network. It is determined that the second mobile node is visiting the foreign network. The packet is routed to the second mobile node over a communication path that does not include a home agent associated with the second mobile node.

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patent: 2005/0243840 (2005-11-01), Sivalingam et al.
Gustafsson et al., “Requirements on Mobile IP from a Cellular Perspective,” Mobile IP Working Group, Internet-Draft, <draft-ietf-mobileip-cellular-requirements-00.txt>, dated Feb. 1999.
International Search Report and Written Opinion from International Application No. PCT/US05/036221, dated Oct. 12, 2006.

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