Multicopy queue structure with searchable cache area

Details Multicopy queue structure with searchable cache area Multicopy queue structure with searchable cache area

1997-12-18

2000-05-09

Olms, Douglas W.

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370401, 370412, H04L 1246

Patent

active

060613513

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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Schultz, Kenneth J. et al., "CAM-Based Single-Chip Shared Buffer ATM Switch", Supercomm/ICC, New Orleans, May 1-5, 1994, vol. 2, May 1994, Institute Of Electrical and Electronics Engineers, pp. 1190-1195.

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