Method and apparatus for transmission of failure information of

Details Method and apparatus for transmission of failure information of Method and apparatus for transmission of failure information of

1991-11-14

1994-06-14

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

3701101, 371 201, H04L 124

Patent

active

053216881

ABSTRACT:
A method for transmitting virtual path failure information in an asynchronous transfer mode network the method includes performing search against a table storing virtual paths being used for generating failure indicative cells for respective ones of the virtual paths when failure of a transmission line is detected. The generated failure indicative cells are transmitted to all of the other apparatuses connected in downstream signal transmitting directions through the virtual path sequentially for a number of predetermined times, and subsequently, intermittently with an interval of a given period of time. When failure is removed, a normal cell is immediately transmitted.

REFERENCES:
patent: 4961180 (1990-10-01), Schwartz et al.
patent: 5058104 (1991-10-01), Yonehara et al.
patent: 5128924 (1992-07-01), Bihan
patent: 5170391 (1992-12-01), Arnold et al.

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