Multiplex communications – Data flow congestion prevention or control – Control of data admission to the network
Patent
1995-11-17
1998-06-09
Hsu, Alpus H.
Multiplex communications
Data flow congestion prevention or control
Control of data admission to the network
370236, 370250, 370253, 370397, 370401, H04J 314, H04L 1256
Patent
active
057646260
ABSTRACT:
A test instrument for monitoring operation of ATM communication networks is capable of identifying individual cells passing through a node to which the instrument is connected as belonging to a particular virtual connection, and transmitting test cells replacing the identified cells, transmitting modified identified cells, or augmenting cells transmitted over the identified virtual connection with operations, administration, and maintenance cells. Specific test cells can be detected by a second test instrument connected to a node elsewhere in the network for accurately monitoring specific network operating characteristics. Cell delay, cell delay variation, cell error rates, and the like may all be monitored by the test instrument according to the invention.
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Tekelec Corporation, "ATM Pocket Guide", Publication No. 908-0119-01, Revision B, Jul. 1994.
Angeli Michael de
Florenzo Philip
Hsu Alpus H.
Telecommunications Techniques Corporation
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