Hierarchical network management system operating as a proxy agent for enhancing processing efficiency
First Claim
1. A network management apparatus operating as a proxy agent in a network management system including a plurality of manager nodes and a proxy agent node for managing resources in a plurality of networks, said network management apparatus comprising:
- resource state monitor means for accessing network resources periodically in cycles corresponding to a monitor interval time to monitor the network resources for a state of fault or change;
means for determining a current utilization factor based on an arrival factor of accessing the network resources and an average response time to access the network resources;
means for determining a length of a transmission queue for accessing the network resources, andautomatic monitor interval time change means for calculating and automatically adjusting the monitor interval time based on the current utilization factor and the determined length of the transmission queue, wherein the monitor interval time will not cause a reduction in essential application communication performance.
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Abstract
In a network management system comprising a plurality of manager nodes and a proxy agent node for managing network resources, an efficient network management apparatus is provided for calculating a network load, automatically adjusting monitor traffic occurrence intervals in response to the load totalizing inquiries from the managers and preventing duplicate inquiry handling, and caching the inquiry result for suppressing access to the network resources. The management traffic occurrence frequency is automatically optimized in response to the network load and essential application communication performance is prevented from lowering for enhancing processing efficiency.
68 Citations
6 Claims
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1. A network management apparatus operating as a proxy agent in a network management system including a plurality of manager nodes and a proxy agent node for managing resources in a plurality of networks, said network management apparatus comprising:
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resource state monitor means for accessing network resources periodically in cycles corresponding to a monitor interval time to monitor the network resources for a state of fault or change; means for determining a current utilization factor based on an arrival factor of accessing the network resources and an average response time to access the network resources; means for determining a length of a transmission queue for accessing the network resources, and automatic monitor interval time change means for calculating and automatically adjusting the monitor interval time based on the current utilization factor and the determined length of the transmission queue, wherein the monitor interval time will not cause a reduction in essential application communication performance. - View Dependent Claims (2, 3, 4)
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5. A network management apparatus operating as a proxy agent in a network management system including a plurality of manager nodes and a proxy agent node for managing network resources, said network management apparatus comprising:
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inquiry totalization means for periodically checking a reception queue for temporarily storing resource state inquiries from the manager nodes, and totalizing the inquiries stored in the reception queue for each type; and duplicate inquiry handling means for simultaneously processing duplicate inquiries.
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6. A network management apparatus operating as a proxy agent in a network management system including a plurality of manager nodes and a proxy agent node for managing resources, said network management apparatus comprising:
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inquiry totalization means for periodically checking a reception queue for temporarily storing resource state inquiries from the manager nodes, and totalizing the inquiries stored in the reception queue for each type; and inquiry cache handling means for holding resource state data provided by accessing the resources in a subordinate network in response to an inquiry in a cache buffer for each type of totalized inquiries for a fixed time period, wherein if a same inquiry is received from a manager node, said inquiry cache handling means returns the resource state data held in the cache buffer without accessing the network resources.
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Specification