Multiplex communications – Wide area network – Packet switching
Patent
1993-01-28
1994-02-01
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
34082516, 370 855, 371 112, H04L 1242
Patent
active
052837831
ABSTRACT:
A network process that automatically identifies and isolates a faulty station or group of stations within a token ring communication network in a timely manner. The present invention performs three different and separate processing strategies to identify and isolate faulty stations and or groups of stations within a token ring communication network. The processing of the present invention is accomplished simultaneously within the network management modules of each concentrator within the overall communication network. Upon receipt of beacon signals indicating a faulty station in the network, the present invention directs the NMM to isolate newly inserted stations or modules. If this is not successful then the present invention attempts a direct removal process if port address association data is present. If no port address association data is present then a brute force process is performed to identify and isolate the station or module that is generating a communication fault within the token ring network.
REFERENCES:
patent: 4937823 (1990-06-01), Bekki et al.
patent: 5105188 (1992-04-01), Jung et al.
patent: 5235599 (1993-08-01), Nishimura et al.
Choi Isaac P.
Nguyen Truong Q.
Safourek Benedict V.
SynOptics Communications, Inc.
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