Processing a duplicate data packet

Details Processing a duplicate data packet Processing a duplicate data packet

2008-07-15

2008-07-15

Chan, Wing F. (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S474000

Reexamination Certificate

active

07400626

ABSTRACT:
Embodiments of the present invention relate to a method. The method includes a step of receiving a bundle of data (i.e., a frame). The method also includes a step of verifying if content of the bundle of data was previously received in a previously received bundle of data. The verifying comprises checking at least two types of information. In other words, embodiments of the present invention include a procedure for discarding a duplicate packet. These procedures ensure that a subsequent packet is actually a duplicate packet and not a new packet by checking at least two types of information associated with the device receiving the packet and the data in the packet. Accordingly, embodiments of the present invention provide for a communication system with minimal data loss. In turn, the embodiments of the present invention provide for a communication system which can communicate data without frustrating an end user due to an incompletion of a data request, such as accessing a web page on the Internet.

REFERENCES:
patent: 6490259 (2002-12-01), Agrawal et al.
patent: 6714559 (2004-03-01), Meier
patent: 6751746 (2004-06-01), Jain et al.
patent: 6831898 (2004-12-01), Edsall et al.
patent: 6856599 (2005-02-01), Kroon
patent: 6873618 (2005-03-01), Weaver
patent: 6909698 (2005-06-01), Moon
patent: 2003/0112780 (2003-06-01), Ouyang et al.

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