Routing optimization in a wireless network using IP packets...

Details Routing optimization in a wireless network using IP packets... Routing optimization in a wireless network using IP packets...

2006-12-29

2010-12-28

Corsaro, Nick (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S328000, C370S392000, C455S428000, C455S445000, C455S524000, C455S525000

Reexamination Certificate

active

07860072

ABSTRACT:
An exemplary method implements route optimization in an IP telecommunication network that supports wireless mobile stations (MSs). IP address information related to packet flow for MSs is identified and stored in records at a local mobility anchor point (LMAP). The records are compared to determine matching pairs, i.e. records that represent that a first MS is engaged in a communication session with a second MS. First and second points of attachment nodes are determined that support the first and second MS, respectively, based on IP address information contained in a matching pair of records associated with the first and second MS. A route optimization (RO) message is transmitted to the first and second point of attachment nodes, where the RO message includes an IP address of the other point of attachment node. The RO messages represent a request for the first and second point of attachment nodes to address packets sent between the first and second MS with a source address of one of the first and second point of attachment nodes and a destination address of the other of the first and second point of attachment nodes.

REFERENCES:
patent: 2002/0080752 (2002-06-01), Johansson et al.
patent: 2009/0161604 (2009-06-01), Guan

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