Electrical computers and digital processing systems: multicomput – Computer-to-computer data addressing
Reexamination Certificate
2005-06-07
2005-06-07
Etienne, Ario (Department: 2157)
Electrical computers and digital processing systems: multicomput
Computer-to-computer data addressing
C709S224000, C709S228000, C709S207000
Reexamination Certificate
active
06904466
ABSTRACT:
The disclosed mobile communication scheme enables easy change of a connected location of a mobile computer on the IP network when the mobile computer leaves its home network, without requiring the use of a home agent, while providing a sufficient level of security. The mobile computer transmits a packet from a visited site network to a correspondent by encapsulating an inner packet having a home address as an original source address within an outer packet having a current location address as a source address. The correspondent which received this encapsulated packet recognizes the source addresses of the outer and inner packets of the encapsulated packet as the current location address and the home address of the mobile computer, respectively, so that the correspondent can transmit a packet to the mobile computer thereafter by encapsulating an inner packet having the home address as a final destination address within an outer packet having the current location address as a destination address.
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patent: 09-214516 (1997-08-01), None
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Network Working Group, Request for Comments 2002, Mobil IP Spec., Oct. 1996, pp. 15-79.
Network Working Group, Request for Comments 2136, Dynamic DNS Update, Apr. 1997, pp. 1-21.
Network Working Group, Request for Comments 2401 (pp. 1-66); Request for Comments 2402 (pp. 1-22); Request for Comments 2403 (pp. 1-7); Request for Comments 2404 (pp. 1-7); Request for Comments 2405 (pp. 1-10); Request for Comments 2406 (pp. 1-22); Request for Comments 2407 (pp. 1-32); Request for Comments 2408 (pp. 1-86); Request for Comments 2409 (pp. 1-41); Request for Comments 2410 (pp. 1-6); Request for Comments 2411 (1-11); Request for Comments 2412 (pp. 1-55); Ipsec Base Specification, Nov. 1998.
Inoue Atsushi
Ishiyama Masahiro
El-chanti Hussein
Etienne Ario
Kabushiki Kaisha Toshiba
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