US 6,982,967 B1
Methods and apparatus for implementing a proxy mobile node in a wireless local area network
Kent K. Leung, Mountain View, Calif. (US)
Assigned to Cisco Technology, Inc., San Jose, Calif. (US)
Filed on Jun. 29, 2000, as Appl. No. 9/608,692.
Int. Cl. H04L 12/26 (2006.01); H04L 1/00 (2006.01); H04J 1/16 (2006.01); G08C 15/00 (2006.01); G06F 11/00 (2006.01)
U.S. Cl. 370—328 46 Claims
OG exemplary drawing
 
1. A Foreign Agent that supports Mobile IP, the Foreign Agent being adapted for registering a node with a Home Agent that supports Mobile IP, comprising:
a processor; and
a memory, the memory storing therein the following instructions:
instructions for processing a node attachment message received from an access point, the node attachment message indicating that the node is in a vicinity of the Foreign Agent when in a first state and that the node is not in a vicinity of the Foreign Agent when in a second state;
instructions for initiating registration on behalf of the node when the node attachment message is in the first state; and
instructions for initiating de-registration on behalf of the node when the node attachment message is in the second state.