Method for exchanging packets of user data

Details Method for exchanging packets of user data Method for exchanging packets of user data

2005-11-22

2009-12-29

Patel, Jayanti K (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000, C370S475000, C709S246000

Reexamination Certificate

active

07639689

ABSTRACT:
In a method for exchanging packets of user data between a terminal (4a,4b) of a first network (1) and a service provider (5a, 5b) of a second network (2), the first network (1) is connected to the second network (2) by a gateway (3) which has a unique connection (6a, 6b) to the service provider (5a, 5b), the terminal (4a, 4b) has a first address which is unique within the first network (1), and the terminal (4a, 4b) is configurable with a second address which uniquely identifies a particular service from the service provider (5a, 5b) and which is unique within the second network (2), the method comprising the steps of: allocating the first address being unique within the first network (1) to the terminal (4a, 4b), sending a first packet of user data containing the first and second address from the terminal (4a, 4b) to the service provider (5a, 5b) which identifies the first packet by the presence of the second address and extracts the first address from the first packet, and sending a second packet of user data containing the first address from the service provider (5a, 5b) to the terminal (4a, 4b) which identifies the second packet by the presence of the first address.

REFERENCES:
patent: 2002/0023171 (2002-02-01), Garrett
patent: 2003/0037163 (2003-02-01), Kitada
patent: 2006/0184695 (2006-08-01), Monette et al.
patent: 2007/0297420 (2007-12-01), Holmgren et al.
patent: 2008/0212598 (2008-09-01), Kolli et al.
patent: WO 03/067822 (2003-08-01), None

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