Network monitoring system, monitoring device, and monitored device
First Claim
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1. A network monitoring system comprising:
- a network;
a monitoring device connected to said network; and
a plurality of monitored devices connected to said network, each of said monitored devices having various statuses thereof summarized as a summary status, and sending the summary status to said monitoring device when sending a response in reply to a summary-status collecting command issued from said monitoring device as well as when sending other information that is not said response, wherein said monitoring device controls the summary status of a given one of the monitored devices based on the summary status received from the given one of the monitored devices.
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Abstract
A network monitoring system includes a network, a monitoring device connected to the network, and a plurality of monitored devices connected to the network, each of the monitored devices having various statuses thereof summarized as a summary status, and sending the summary status to the monitoring device when sending a response in reply to a summary-status collecting command issued from the monitoring device as well as when sending other information that is not the response, wherein the monitoring device controls the summary status of a given one of the monitored devices based on the summary status received from the given one of the monitored devices.
76 Citations
17 Claims
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1. A network monitoring system comprising:
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a network;
a monitoring device connected to said network; and
a plurality of monitored devices connected to said network, each of said monitored devices having various statuses thereof summarized as a summary status, and sending the summary status to said monitoring device when sending a response in reply to a summary-status collecting command issued from said monitoring device as well as when sending other information that is not said response, wherein said monitoring device controls the summary status of a given one of the monitored devices based on the summary status received from the given one of the monitored devices. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A monitoring device connected to monitored devices via a network, comprising:
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a status-control unit which obtains a summary status from what is received from a given one of the monitored devices when the given one of the monitored devices sends the summary status by sending a response in reply to a summary-status collecting command issued from said monitoring device as well as when the given one of the monitored devices sends the summary status by sending other information that is not said response; and
a status-control memory which stores the summary status of the given one of the monitored devices. - View Dependent Claims (9, 10, 11, 12, 13, 14)
a status-display table which defines how to display each item of the summary status; and
a graphics-user-interface unit which displays each item of the summary status in accordance with what is defined in said status-display table.
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13. The monitoring device as claimed in claim 8, wherein said status-control unit keeps record of a time of a latest updating of the summary status with respect to each of said monitored devices.
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14. The monitoring device as claimed in claim 8, further comprising a polling unit which issues the summary-status collecting command in a polling operation performed at constant intervals, and skips a next polling operation for a next scheduled one of the monitored devices when the summary status is updated during a latest one of the constant intervals based on said other information sent from the next scheduled one of the monitored devices.
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15. A monitored device connected to a monitoring device via a network, said device comprising:
a status-control unit which generates and keeps a summary status by summarizing various statuses of said monitored device, and sends the summary status to the monitoring device when sending a response in replay to a summary-status collecting command issued from the monitoring device as well as when sending other information that is not a response responding to the summary-status collecting command issued by the monitoring device. - View Dependent Claims (16, 17)
Specification