Alternate routing of management message to simplified network el

Details Alternate routing of management message to simplified network el Alternate routing of management message to simplified network el

1997-03-27

1999-07-20

Palys, Joseph E.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

714 43, 709239, G06F 1100

Patent

active

059251379

ABSTRACT:
In a ring network, a network element having no routing protocol is connected between first and second nodes, and the first node has a link status table indicating link states of the network element and the second node. The first node transmits a health check polling message at periodic intervals to the network element as well as to the second node to elicit responses therefrom, updates each of the link states when no response is returned, examines the link status table at periodic intervals, and broadcasts a message to the network for updating a routing table of a third node of the network so that an alternate route is established from the third node to the network element via the first node if the link status table indicates that there is a faulty condition between the network element and the second node. The third node transmits a network management message to the network element via the alternate route according to the updated routing table.

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