Multicopy queue structure with searchable cache area
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United States of America Patent
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May 9, 2000
Grant Date -
N/A
app pub date -
Dec 18, 1997
filing date -
Feb 14, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An arrangement and a method of maintaining a count of the number of copies of a frame that have been transmitted from a network switch uses a cache memory to store the number of copies of a frame to be transmitted from the network switch. A queue is used to queue entries that indicate the transmission of a copy of a frame, and these queued entries are released to a buffer manager. Whenever a transmission is made of a copy of this frame, and the buffer manager examines the entry indicating this transmission after the entry leaves the queue, the buffer manager searches for a corresponding entry in the cache memory and changes the copy number (i.e., the count of the number of transmissions) of that frame in the cache memory.
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