Electrical computers and digital processing systems: multicomput – Computer-to-computer data routing
Reexamination Certificate
2002-02-20
2008-12-09
Vu, Viet (Department: 2154)
Electrical computers and digital processing systems: multicomput
Computer-to-computer data routing
C709S225000, C709S249000
Reexamination Certificate
active
07464177
ABSTRACT:
A mobile network that is a subnet that partially constitutes multiple IP networks includes a home agent server for managing identifiers of a plurality of mobile terminals each of which joins the mobile network, and a plurality of IP tunnel routers. When a mobile terminal moves from the subnet to another subnet that partially constitutes the multiple IP networks, the home agent server accepts destination information necessary for transmission of IP packets to the mobile terminal from the mobile terminal, and delivers IP tunnel setting information indicating the mobile terminal and the destination information to the plurality of IP tunnel routers. When then receiving an IP packet destined for the mobile terminal, each of the plurality of IP tunnel routers transfers the IP packet to the mobile terminal based on the IP tunnel setting information without making the IP packet go through the home agent server.
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Mitsubishi Denki & Kabushiki Kaisha
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Vu Viet
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