Common buffer memory control apparatus

Details Common buffer memory control apparatus Common buffer memory control apparatus

2006-07-11

2006-07-11

Ho, Duc (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S398000, C370S412000

Reexamination Certificate

active

07075938

ABSTRACT:
A common buffer memory control apparatus controls a common buffer memory which is used to store message data items each of which is divided into a plurality of cells based on an asynchronous transfer mode. The common buffer memory control apparatus includes a free block management table for managing whether each of blocks into which the common buffer memory divided is free or used, a block selecting unit for selecting a block of the common buffer memory which is free with reference to the free block management table, and a cell writing control unit for controlling a write operation for cells of a single message data item so that the respective cells of the single message data item are written in the block, selected by the block selecting means, of the common buffer memory.

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