Multiplex communications – Diagnostic testing – Using oam cells
Patent
1997-12-08
2000-08-22
Nguyen, Chau
Multiplex communications
Diagnostic testing
Using oam cells
H04L 100
Patent
active
061083097
ABSTRACT:
A network simulator for use as a testing tool for a network management system includes an input device for inputting data containing network elements, their attributes, and information about their configuration, for storage in memory. User-defined scenario instructions for specifying particular network behavior and user directives are input in real time, or in advance of simulation. The simulator includes an input/output processing component that receives commands from the network management system and user-scenario data or directives and forwards received commands and directives to a response generator processing component that generates appropriate responses in accordance with the network element behavior data stored in memory. The response generator processing component transmits responses back to the network management system. Directives and user-scenario data are also forwarded to an autonomous message generator component for autonomously generating one or more alarm or event messages for input to the network management system at pre-defined times. The tool is capable of continuous and concurrent operation as in a real network and provides real-time performance monitoring of the network elements.
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Cohoe Andrew B.
Martino Steven J.
MCI Communications Corporation
Nguyen Chau
Schuppner Suibel M. H.
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