Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2004-03-10
2009-12-29
Jackson, Blane J (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S452100, C370S331000
Reexamination Certificate
active
07640017
ABSTRACT:
The present invention relates to apparatus for and methods of performing a binding procedure in respect of a mobile node in a foreign packet data network, the mobile node having roamed from a an home packet data network and having a home packet data protocol address, the method comprising the steps of: the mobile node sending its home packet data protocol address to a node of the network responsible for allocating packet data protocol addresses to mobile nodes for use in the foreign network (the allocating node); the allocating node allocating or participating in the allocation of a packet data protocol address to the mobile node; the allocating node receiving a packet data protocol address of a receiving node; and in dependence on the received home packet data protocol address, the receiving node packet data protocol address, and the allocated packet data protocol address, the allocating node sending or arranging for another network node to send a message to the receiving node, the message indicating a binding between the allocated packet data protocol and the home packet data protocol address of the mobile node.
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Mobility Support in IPv6 <draft-ietf-mobileip-ipv6-18.txt>, http://www.ietf.org/proceedings/02jul/I-D/draft-ietf-mobileip-ipv6-18.txt, pp. 1-160.
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Laaja, et al., GPRS VPNs compared to other VPNs, printed from web site, pp. 1-12.
Jackson Blane J
Knobbe Martens Olson & Bear LLP
Orange SA
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