Entry compression/decompression method and apparatus...

Details Entry compression/decompression method and apparatus... Entry compression/decompression method and apparatus...

2011-04-26

2011-04-26

Vu, Huy D (Department: 2461)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S235000

Reexamination Certificate

active

07933201

ABSTRACT:
An entry compression/decompression method for use in a packet relay apparatus carrying out flow identification based on an entry of a flow table describing a pattern of a packet as a subject of flow identification, comprising the steps of judging whether a new pattern to be registered in the flow table is an incremental pattern, that is, a difference with a flow identification pattern of the entry is one bit; changing a mask pattern of the entry indicating a position of a “don't care bit”in relation with the flow identification pattern in flow identification if the new pattern is an incremental pattern; and additionally registering the new pattern in the flow table as an entry if the new pattern is not an incremental pattern.

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Japanese Notice of Rejection Ground, English-language translation, mailed Feb. 8, 2011 for corresponding Japanese Application No. 2006-356919.

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