Filtering redundant packets in computer network equipments

Details Filtering redundant packets in computer network equipments Filtering redundant packets in computer network equipments

2011-08-02

2011-08-02

Chriss, Andrew (Department: 2472)

Multiplex communications

Communication techniques for information carried in plural...

Assembly or disassembly of messages having address headers

C370S389000, C370S392000, C370S394000, C370S469000, C709S228000, C726S013000

Reexamination Certificate

active

07991006

ABSTRACT:
A node NI has a protocol stack (10), between application (13) and management (11) layers, and two or more Link level interfaces (12, 14) to network links (31, 32). Protocol stack (10) has a multiple data link interface (101), which may duplicate packets at transmission, to be sent through links (31, 32), respectively. A memory area is reserved. At reception, an identifier (X) is calculated for each incoming packet e.g. form its IP header, and is searched in at least a portion of the reserved memory area; if X is not found (or not found for the source node), the packet identifier (X) is stored in currently reserved portion of the memory area.

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