JPH10126409A - Alarm information collection system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the alarm information collection system by which polling is applied with priority concentratingly to a monitored equipment to which alarms take place frequently. SOLUTION: A generating rate arithmetic section 106 calculates a generating rate of an alarm on each monitored equipment based on alarm information of each monitored equipment stored in an alarm information storage section 102. An interrupt destination selection section 109 selects a monitored equipment whose generating rate of alarm calculated by the generating rate arithmetic section 106 is a maximum and designates the selected monitored equipment to a polling control section 104 as a polling destination. The polling control section 104 applies polling to the monitored equipment designated by the interrupt destination selection section 109 with priority.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote monitoring and control system used in, for example, a communication network or the like.
The present invention relates to a method in which a monitoring device selects a monitored device where an alarm frequently occurs from a plurality of monitored devices, and collects alarm information by performing priority and intensive polling on the selected monitored device.

[0002]

2. Description of the Related Art In a monitoring control system used in a communication network or the like, a monitoring device remotely controls a monitored device such as a communication device by polling, and monitors a fault occurring in the monitored device. Specifically, the monitoring device issues a request for transmission of alarm information to the monitored device, and the monitored device that has received the transmission request transmits alarm information regarding a failure that has occurred in the device to the monitoring device. Then, the monitoring device displays the alarm information sent from the monitored device on the screen, or issues a command for recovery from the trouble to the monitored device. In the alarm information collection method of such a monitoring control system, a monitoring device polls a plurality of monitored devices in a certain order.

FIG. 5 is a block diagram of a conventional supervisory control system. The monitoring control system 5 includes a monitoring device 50 that performs polling, and a plurality of monitored devices 52 (in the example shown in the drawing,) that transmits alarm information via a communication line 51 in response to a request for transmission of alarm information from the monitoring device 50. A
~ E, hereinafter, when indicating individual monitored devices, A ~
E is used). Each monitored device A to E
Each has a function of accumulating alarm information relating to a fault that has occurred in its own device until there is a request to transmit the alarm information.

The monitoring device 50 has a communication control unit 501 for controlling transmission and reception of data via the communication line 51, an alarm information storage unit 502 for storing alarm information sent from the monitored devices A to E, and A display unit 503 for displaying the contents of the alarm information on a display or the like, and a polling control unit 504 for requesting the monitored devices A to E to transmit the alarm information in a certain order.

[0005] Next, referring to FIG.
Will be described. FIG. 6 is a time table for explaining the operation of the monitoring control system 5. When the polling is started, the monitoring device 50 requests the monitored device A to transmit alarm information. The monitored device A transmits alarm information to the monitoring device 50 in response to a transmission request from the monitoring device 50. The alarm information storage unit 502 of the monitoring device 50 stores the received alarm information, and the display unit 503 displays the contents of the same alarm information.
The above polling is performed in the same procedure for the monitored devices B to E. When the polling up to the monitored device E is completed, the polling from the monitored device A is repeated again.

[0006]

However, in the above-described conventional alarm information collection method, as the number of monitored devices increases or the number of monitoring items increases, the time from one polling to the next polling increases. It takes longer time. For this reason, while polling a certain monitored device, it is not possible to collect alarm information from the monitored device for which an alarm is frequently generated, which delays the troubleshooting. there were.

SUMMARY OF THE INVENTION An object of the present invention is to provide an improved alarm information collecting method capable of collecting alarm information by performing priority and intensive polling on a monitored device in which alarms are frequently generated. provide.

[0008]

According to the present invention, there is provided an alarm information collection system comprising: a monitoring device for requesting transmission of alarm information;
In a system comprising: a plurality of monitored devices that transmit alarm information generated by the device in response to the transmission request of the alarm information to the monitoring device, the monitoring device has already received from the plurality of monitored devices. Alarm occurrence rate calculating means for calculating an alarm occurrence rate per monitoring item for each monitored device based on the alarm information; and a monitored device having the calculated alarm occurrence rate of the plurality of monitored devices which is maximum. Device selecting means for selecting the alarm information, and the transmission of the alarm information is preferentially performed to the monitored device selected by the device selecting means.

In the above-mentioned alarm information collecting method, when there are a plurality of monitored devices having a maximum alarm occurrence rate, the device selecting means determines a specific received device in accordance with the number of times the alarm information transmission request has been received. It is configured to select a monitoring device. Further, preferably, the monitored device having the maximum alarm occurrence rate is selected from the monitored devices having the alarm occurrence ratio exceeding a predetermined specified value.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. Here, an example will be described in which the present invention is applied to a supervisory control system for a communication network. FIG. 1 is a block diagram of the monitoring control system according to this embodiment.

The monitoring control system 1 includes a monitoring device 10 that performs polling and a plurality of monitored devices 12 (in this example, a plurality of monitored devices 12 that transmit alarm information accumulated in response to polling from the monitoring device 10 via a communication line 11). A to E; hereinafter, A to E will be used when an individual monitored device is indexed). For convenience, the number of monitored devices is set to “5”.
However, in general, the number of monitored devices may be arbitrary.

The monitoring device 10 includes a communication control unit 101 for controlling transmission and reception of data via the communication line 11, an alarm information storage unit 102 for storing alarm information sent from the monitored device 12, A display unit 103 for displaying contents on a display or the like, a polling control unit 104 for controlling polling of the monitored device 12,
The polling control unit 104 includes a priority interrupt processing unit 105 for designating a polling destination.

When the polling control unit 104 receives designation of a polling destination from the priority interrupt processing unit 105, the polling control unit 104 suspends polling of the monitored device 12 in a certain order, and stops polling of the monitored device 12 specified by the interrupt. Polling with priority.

The priority interrupt processing section 105 includes an occurrence rate calculation section 106 for calculating an alarm occurrence rate described later based on the alarm information stored in the alarm information storage section 102,
An occurrence rate storage unit 107 for storing the alarm occurrence rate calculated by the occurrence rate calculation unit 106, an interrupt number storage unit 108 for storing the number of polling interrupts already performed for the monitored device 12, and an occurrence rate storage unit 107 The monitored device having the maximum alarm occurrence rate is selected based on the alarm occurrence rate stored in the storage device and the interrupt count stored in the interrupt count storage unit 109, and the monitored device 12 selected as the polling destination by the polling control unit 104 is selected. And an interrupt destination selection unit 109 for specifying

When there are a plurality of monitored devices 12 having the maximum alarm occurrence rates stored in the occurrence rate storage unit 107, the interrupt destination selection unit 109 determines, for example, the number of interrupts stored in the interrupt number storage unit 108. With reference to this, the monitored device having the minimum number of interrupts is selected as the polling destination. A specific example will be described later. The interrupt destination selection unit 109 also causes the polling control unit 104 to update the number of polling interrupts of the specified monitored device 12 in the interrupt count storage unit 108 each time the monitored device 12 is specified.

Next, referring to FIG. 2, a description will be given of the procedure of the priority interrupt processing for polling of the monitoring apparatus 10. The monitoring device 10 first performs polling on each of the monitored devices A to E in a certain order, and makes a round (step S10).
1). Specifically, the polling control unit 104 sequentially requests each monitored device A to E to transmit alarm information one by one. The alarm information transmitted from the monitored devices A to E in response to the transmission request is stored in the alarm information storage unit 102.
Are stored sequentially.

When the polling of each of the monitored devices A to E has completed one cycle, the priority interrupt processing unit 105 starts the priority interrupt processing of the polling (step S10).
2). That is, the occurrence rate calculation unit 106 calculates an alarm occurrence rate for each of the monitored devices A to E based on the alarm information stored in the alarm information storage unit 102 (step S106). The alarm occurrence rate is defined by the following equation.

[Equation 1] Alarm occurrence rate = Number of alarms / Number of monitoring items x
100 (%)

The occurrence rate storage 107 stores the information in step S103.
The alarm occurrence rate of each of the monitored devices A to E calculated in the above is stored. The interrupt destination selection unit 109 includes the occurrence rate storage unit 10
7 is compared with a preset specified value. Then, when the alarm occurrence rates of all the monitored devices A to E are equal to or less than the specified value (step S1).
04: No), the polling control unit 104 continues the polling without interruption, that is, the polling in a certain order from the monitored device on which the previous polling was performed (step S105).

If there is a monitored device whose alarm occurrence rate exceeds the specified value (step S104: Yes), the interrupt destination selection unit 109 selects the monitored device whose alarm occurrence rate is the highest (step S106). . If there are a plurality of monitored devices with the highest alarm occurrence rate (step S107: Yes), the interrupt destination selection unit 10
9 further selects the monitored device with the smallest number of interrupts already performed (step S108).

If there is only one monitored device with the highest alarm occurrence rate (step S107: No), or if the interrupt destination selection unit 109 selects the monitored device with the smallest number of interrupts in step S108, The interrupt destination selection unit 109 specifies the selected monitored device to the polling control unit 104 as a polling destination. The polling control unit 104 preferentially executes polling of the designated monitored device by interruption (step S109). The interrupt destination selection unit 109 further stores an interrupt count storage unit 10 for the monitored device designated to execute polling for the polling control unit 104.
8 is updated (step S110). In this update, only one interrupt number for the designated monitored device is added.

After executing step S105 or step S110, if the priority interrupt processing is not terminated (step S111: No), the monitoring apparatus 10 repeats the steps from step S103 again.

Here, referring to FIG. 3, step S103 will be described.
A specific example of the subsequent processing will be introduced. In step S103, the interrupt destination selection unit 109 sets the alarm information storage unit 1
Suppose that the number of alarms of each of the monitored devices A to E as illustrated in FIG. In the illustrated example, 20 alarms are generated in the monitored device A in accordance with the occurrence of the fault. The same applies to the other monitored devices B to E. Now, the alarm monitoring items are 20
If the item is 0, the monitored device A
Is 20 発 生 200 × 100 = 20%. The occurrence rates of the other monitored devices B to E are calculated in the same manner, and the result as shown in FIG. 3B is obtained. As is clear from FIG. 3B, the alarm occurrence rate of the monitored device C and the monitored device E is the highest at the occurrence rate of 35%.

In step S104, the specified value is set to 20%
In this case, the monitored devices exceeding the specified value are the monitored device C and the monitored device E. Therefore, step S10
At 6, the interrupt destination selection unit 109 selects the monitored device C and the monitored device E. However, in step S107, the monitored device C and the monitored device E have the same alarm occurrence rate of 35%, so that in step S108, FIG.
As a result, the monitored device C having one interrupt is selected. In step S109, the interrupt destination selection unit 109 specifies the monitored device C as the polling destination to the polling control unit 104, and the polling control unit 104
Executes the transmission request of the alarm information to the monitored device C preferentially. Further, in step S110, the interrupt destination selection unit 109 updates the number of interrupts for the monitored device C from “1” to “2”.

FIG. 4 is a diagram showing an example of a polling time table in the monitoring control system 1 when an alarm frequently occurs only in the monitored device C. Monitoring device 10
When the polling priority interrupt process is started, the alarm occurrence rate for each of the monitored devices A to E is calculated in accordance with the above procedure. When an alarm occurs only in the monitored device C and the alarm occurrence rate exceeds a specified value, the monitored device C is preferentially polled as shown in the figure.

At this time, the interrupt destination selection unit 109 designates the monitored device C as a polling destination for the polling control unit 104, and the polling control unit 104 receives the notification and issues an alarm to the monitored device C. Requests transmission of information. Monitored device C that has received the alarm information transmission request
Transmits alarm information to the monitoring device 10. The monitoring device 10 that has received the alarm information sets the alarm information storage unit 1
02 stores the received alarm information.

The monitoring device 10 repeats the same processing thereafter, and continues polling in a fixed order without interruption as long as the alarm occurrence rate of each of the monitored devices A to E does not exceed the specified value. For example, as shown in FIG. 4, after polling the monitored device C, the polling is performed in the order of the monitored device A, the monitored device B, and the monitored device C. While the polling is performed from the monitored device A to the monitored device C in this way, if the alarm occurrence rate of the monitored device C exceeds the specified value again, the monitored device C is preferentially polled. . Thereafter, if the alarm occurrence rates of the monitored devices A to C do not exceed the specified value, polling without interruption is continued from the other monitored devices D.

As described above, according to the present embodiment, if no alarm occurs frequently in any of the monitored devices A to E, the monitoring device 10 sends the monitored devices A to E in a certain order. Perform polling and monitor for faults. However, if a failure occurs in any of the monitored devices A to E and an accompanying alarm frequently occurs, the monitoring device 10 gives priority to polling by interruption to a specific monitored device that frequently generates an alarm. And collectively execute alarms and collect alarm information as soon as possible.

[0028]

As is apparent from the above description, according to the alarm information collecting method of the present invention, the monitoring apparatus executes polling preferentially and intensively with respect to the monitored apparatus which frequently generates an alarm. There is an effect that can be. For this reason, in the monitoring device, it is possible to quickly collect alarm information and display the alarm information or take an appropriate measure against a failure accurately and quickly.

[Brief description of the drawings]

FIG. 1 is a block configuration diagram of a monitoring control system according to an embodiment of the present invention.

FIG. 2 is a diagram for explaining a procedure of priority interrupt processing for polling;

3A is a diagram illustrating an example of the number of alarms generated in each monitored device, FIG. 3B is a diagram illustrating an example of an alarm occurrence rate of each monitored device, and FIG. FIG. 6 is a diagram illustrating an example of the number of polling interrupts for a monitored device.

FIG. 4 is a diagram showing an example of a time table in a polling priority interrupt process.

FIG. 5 is a block diagram of a monitoring and control system according to the related art.

FIG. 6 is a diagram showing an example of a time table in polling of the monitoring and control system according to the related art.

[Explanation of symbols]

 1, 5 monitoring control system 10, 50 monitoring device 11, 51 communication line 12, 52 monitored device 101, 501 communication control unit 102, 502 alarm information storage unit 103, 503 display unit 104, 504 polling control unit 106 occurrence rate calculation Unit 107 Occurrence rate storage unit 108 Interrupt count storage unit 109 Interrupt destination selection unit

Claims (3)

[Claims] 1. A system comprising: a monitoring device for requesting transmission of alarm information; and a plurality of monitored devices for transmitting alarm information generated by the own device to the monitoring device in response to the transmission request for alarm information. An alarm information collection method, wherein the monitoring device calculates an alarm occurrence ratio per monitoring item for each monitored device based on alarm information already received from the plurality of monitored devices, Device selecting means for selecting a monitored device having the maximum calculated alarm occurrence rate from the plurality of monitored devices, wherein priority is given to the monitored device selected by the device selecting device. Requesting transmission of the alarm information to the user. 2. The device selecting means, when there are a plurality of monitored devices with the maximum alarm occurrence rate, selects a specific monitored device according to the number of times the alarm information transmission request has been received. 2. The method according to claim 1, wherein the alarm information is collected. 3. The apparatus according to claim 2, wherein said apparatus selecting means selects a monitored apparatus having the highest alarm occurrence rate from the monitored apparatuses whose alarm occurrence rate exceeds a predetermined value. Item 1. The alarm information collection method according to item 1 or 2.