Dynamic assignment and validation of IP addresses in...

Details Dynamic assignment and validation of IP addresses in... Dynamic assignment and validation of IP addresses in...

2006-07-04

2006-07-04

Nguyen, Chau (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000, C709S203000

Reexamination Certificate

active

07072340

ABSTRACT:
The transmission of unnecessary assignment and validation information to mobile terminals in wireless IP networks is automatically blocked. Assignment and validation information originating with a mobile terminal is discarded by a base station if the information is not directly received by the base station from a mobile terminal. Assignment and validation information originating with an IP address server is broadcast only to those mobile terminals awaiting assignment or validation information using a local broadcast IP address. The validation and assignment is automatically begun once a mobile terminal enters a new subnet by resetting the mobile terminal's IP address to the broadcast address for assignment and validation requests and then broadcasting validation and, if necessary, assignment requests to the wireless IP network.

REFERENCES:
patent: 6212563 (2001-04-01), Beser
patent: 6466986 (2002-10-01), Sawyer et al.
patent: 6952428 (2005-10-01), Necka et al.
patent: 2001/0023459 (2001-09-01), Asami
patent: 2002/0076054 (2002-06-01), Fukutomi et al.
R. Droms, “RFC 2131: Dynamic Host Configuration Protocol”, Mar. 1997, IETF, pp. 1-45.

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