Method and system of reducing handover time in mobile IP...

Details Method and system of reducing handover time in mobile IP... Method and system of reducing handover time in mobile IP...

2008-03-26

2011-10-18

Phillips, Hassan (Department: 2467)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C455S442000

Reexamination Certificate

active

08040851

ABSTRACT:
A method and system of reducing handover time in a mobile IP network. An Foreign Agent (FA), when a terminal carries out a handover between mobile Internet Protocol Version-4 (IPv4) sub-networks of the Foreign Agent (FA), identifies whether or not a registration request message from the terminal is transmitted from an entry of a visitor list of the Foreign Agent (FA). If the registration request message is transmitted from the entry of the visitor list, interface information of a corresponding one of the sub-networks, to which the terminal registered in the visitor list is connected, is updated. A registration reply message is generated in response to the registration request message, and is transmitted to the terminal.

REFERENCES:
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patent: 2008/0151815 (2008-06-01), Bedekar et al.
patent: 2010/0046469 (2010-02-01), Kang et al.
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patent: WO 2008069356 (2008-06-01), None
“Decision of Grant” issued by Korean Intellectual Property for present application's Priority Document KR2007-0030436 on Nov. 28, 2008.

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