WAN Event-Driven Diagnosis Based on SNMP Delegates

概要

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In the manager-agent network management paradigm, if a fault occurs on the network route from the manager to an agent, it causes false alarms and a collapse of the management entity. This paper proposes an approach to solve this problem. With network topology information, a set of proxy nodes are invoked whenever the corresponding network routes are breached. For a given node that becomes unreachable, the NMS uses that node's neighbors as proxies, through which it tries to reach the original node. In case a neighbor is found to be unreachable, the algorithm is applied to that neighbor, and so on. Eventually the NMS diagnoses which nodes are unreachable in the network. An effective MIB to implement the proxies is presented, which allows their deployment at virtually no cost.
社団法人電子情報通信学会の論文
1997-06-13