WO2016159039A1

WO2016159039A1 - Relay device and program

Info

Publication number: WO2016159039A1
Application number: PCT/JP2016/060298
Authority: WO
Inventors: 仁川▲崎▼; 広泰田畠
Original assignee: 三菱電機ビルテクノサービス株式会社; 三菱電機株式会社
Priority date: 2015-04-03
Filing date: 2016-03-30
Publication date: 2016-10-06
Also published as: CN107533492B; JP2016197309A; CN107533492A; DE112016001586T5; JP6223380B2; KR20170123324A; KR102048294B1

Abstract

The purpose of the present invention is to allow reliable monitoring of an apparatus to be monitored without increasing demand on a monitoring center, even if a hardware fault has occurred with the apparatus to be monitored. Provided is a gateway device 10, comprising: a monitor information acquisition unit 12 which acquires monitor information from an apparatus 4 and stores said monitor information in a monitor information storage unit 21; a fault detecting unit 13 which detects a fault with the apparatus 4 by comparing the stored monitor information with determination rules; and a fault notification unit 14 which, if a fault is detected with the apparatus 4, issues a notification of the fault with the apparatus 4 by transmitting fault detection information to a monitor server 2.

Description

Relay device and program

The present invention relates to a relay device and a program, and more particularly to a function of a relay device arranged on a device side monitored by a monitoring center via a network.

Conventionally, equipment such as air conditioning and lighting installed in a facility such as a building is monitored from a remote monitoring center via a network. For example, the monitoring center collects monitoring information such as information indicating the state of the equipment from each equipment via the network, and analyzes the monitoring information to detect an abnormality.

In addition, a technique for operating a monitoring function in a device to be monitored has been proposed (for example, Patent Document 1). Furthermore, a technique has been proposed in which an OS dedicated to a monitoring function is started and monitored separately from an operating system (OS) on which an application of a monitoring target device operates (for example, Patent Document 2).

Japanese Patent No. 4572251 JP 2005-115751 A JP 2004-54357 A Japanese Patent Laid-Open No. 2003-143181 JP 2011-188450 A JP 2006-222649 A

However, when monitoring is performed from the monitoring center via the network, the amount of network communication becomes enormous if there are many monitoring target equipment. In addition, if there are a large number of types of equipment, the equipment must be adapted to the hardware configuration, software configuration, communication specifications, etc. of each equipment and the load becomes enormous.

Such problems can be solved by the techniques described in

Patent Documents

2 and 3 monitored at the facility side where the equipment is installed. However, in Patent Document 2, if a failure occurs in basic software such as an OS, the monitoring function cannot function normally. On the other hand, in Patent Document 3, it may be possible to continuously perform the monitoring function even if a failure occurs in the basic software. However, if a failure occurs in the hardware of the device, the monitoring function cannot function normally.

The present invention has been made to solve the above-described problems, and can reliably monitor a monitored device without imposing a load on the monitoring center and even when an abnormality occurs in the hardware of the monitored device. The purpose is to do so.

The relay device according to the present invention includes a determination rule storage unit that stores a determination rule for determining whether a device to be monitored is normal or abnormal, an acquisition unit that acquires monitoring information of the device, and an acquisition unit that acquires the determination rule An abnormality detection unit that detects an abnormality of the device by comparing the monitored information with the determination rule stored in the determination rule storage unit, and when abnormality is detected by the abnormality detection unit, abnormality information relating to the abnormality Is transmitted to the monitoring center of the device via a network.

Further, the present invention is characterized in that there is an update means for updating the determination rule stored in the determination rule storage means with the determination rule acquired from the outside.

Further, the updating means updates the determination rule stored in the determination rule storage means with a determination rule acquired from a relay device installed in another facility.

In addition, a relay device information storage unit that stores identification information of a relay device installed in each of the other facilities that share the determination rule, the update unit stores the determination rule stored in the determination rule storage unit Is updated with the determination rule acquired from the relay device whose identification information is stored in the relay device information storage means.

Further, the apparatus has an estimation unit for estimating the state of the device when the monitoring information is generated based on the monitoring information acquired by the acquisition unit, and the determination rule storage unit is set for each state of the device. The abnormality detection means detects the abnormality using the determination rule corresponding to the state of the device estimated by the estimation means.

The program according to the present invention provides a computer accessible to a determination rule storage unit that stores a determination rule for determining whether a device to be monitored is normal or abnormal, an acquisition unit that acquires monitoring information of the device, and the acquisition An abnormality detection means for detecting an abnormality of the device by comparing the monitoring information acquired by the means with a determination rule stored in the determination rule storage means, and if an abnormality is detected by the abnormality detection means, The abnormality information is transmitted to the monitoring center of the device via the network as abnormality information transmitting means.

According to the present invention, it is possible to reliably monitor a monitoring target device without imposing a load on the monitoring center and even when an abnormality occurs in the hardware of the monitoring target device.

Also, the stored judgment rules can be updated from the outside.

Also, it is possible to set the same judgment rule between facilities sharing the judgment rule.

Moreover, the detection accuracy of the abnormality of the device can be improved by using the determination rule according to the estimated device state.

In addition, the monitoring information is sent to the monitoring center only when it cannot be immediately determined from the monitoring information that the device is abnormal. It is possible to avoid an increase in load on the relay device when it cannot be determined.

It is the figure which showed an example of the whole structure of the monitoring system containing the gateway apparatus in Embodiment 1. FIG. 2 is a hardware configuration diagram of a gateway device according to Embodiment 1. FIG. 2 is a block configuration diagram of a gateway device in Embodiment 1. FIG. 4 is a flowchart illustrating a monitoring process performed by the gateway device in the first embodiment. FIG. 6 is a block configuration diagram of a gateway device in a second embodiment. FIG. 10 is a block configuration diagram of a gateway device in a third embodiment. FIG. 10 is a block configuration diagram of a gateway device in a fourth embodiment. 10 is a flowchart illustrating a monitoring process performed by the gateway device in the fourth embodiment. 10 is a flowchart illustrating a monitoring process performed by the gateway device in the fifth embodiment.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

Embodiment 1 FIG.
FIG. 1 is a diagram illustrating an example of the overall configuration of a monitoring system including a gateway device according to the present embodiment. The monitoring system in the present embodiment is characterized by the function of the gateway device 10. In FIG. 1, a monitoring server 2 installed in the monitoring center 1, a device 4, a facility 7, and a gateway device 10 installed in a building 3 are shown. The monitoring server 2 and the gateway device 10 are connected by an external network 5 such as the Internet. The gateway device 10 and the device 4 are connected by a network 6 built inside a building such as a LAN. The equipment 4 connects one or a plurality of equipment 7 such as electrical equipment, and collects and accumulates signal data such as measured values and set values, control data such as on / off, or alarm data from the equipment 7 and accumulates them. Or a controller.

The monitoring center 1 uses the monitoring server 2 to acquire data from the device 4 for maintenance management of the equipment 7 installed in the building 3. Although the monitoring center 1 monitors the devices 4 to be monitored installed in one or a plurality of buildings 3, only one building 3 is shown for convenience because the monitoring contents may be common to each building 3. Also, although a plurality of devices 4 may be connected to the network 6, only one device is shown for convenience because each device 4 may be monitored in the same manner.

FIG. 2 is a hardware configuration diagram of the gateway device 10 according to the present embodiment. The gateway device 10 according to the present embodiment is equipped with a computer and can be realized by a general-purpose hardware configuration that has existed in the past. That is, as shown in FIG. 2, the gateway device 10 is provided as a CPU 31, ROM 32, RAM 33, hard disk drive (HDD) 34, communication means, an external network interface (IF) 35 for external network connection, and an internal network connection. The internal network interface (IF) 36 is connected to an internal bus 37. Although not shown, an interface to which a computer can be connected may be provided for environment setting or the like.

FIG. 3 is a block configuration diagram of the gateway device 10 according to the present embodiment. Note that components not used in the description in the present embodiment are omitted from the drawings. The gateway device 10 according to the present embodiment includes a lower communication unit 11, a monitoring information acquisition unit 12, an abnormality detection unit 13, an abnormality notification unit 14, an upper communication unit 15, a monitoring information storage unit 21, and a determination rule storage unit 22. ing. The lower communication unit 11 performs data communication with the device 4 via the internal network 6. The upper communication unit 15 performs data communication with the monitoring server 2 via the external network 5. When the monitoring information acquisition unit 12 acquires the monitoring information of the device 4 via the lower communication unit 11, the monitoring information acquisition unit 12 stores the monitoring information in the monitoring information storage unit 21. The abnormality detection unit 13 detects the abnormality of the device 4 by collating the monitoring information acquired by the acquisition unit and stored in the monitoring information acquisition unit 12 with the determination rule stored in the determination rule storage unit 22. When an abnormality is detected by the abnormality detection unit 13, the abnormality notification unit 14 notifies the abnormality of the device 4 by transmitting abnormality information regarding the abnormality to the monitoring server 2 via the network 5.

In the monitoring information storage unit 21, information that can detect an abnormality of the device 4 by reference is stored as monitoring information. In this embodiment, connection information, resource information, log information, and hardware information are handled as monitoring information.

The connection information includes flag information indicating whether or not the device 4 can be connected, response information to the connection request, response time, and the like. The resource information includes the usage rate of the CPU, memory, and disk of the device 4. The log information includes an access log to the monitoring server 2, a device log such as an HDD of the device 4, and a log of an application operating on the device 4. The hardware information includes a SMART (Self-Monitoring, Analysis and Reporting Technology) of the HDD of the device 4, a sensor value of the motherboard, and the like. Of course, the type of monitoring information need not be limited to this. For example, an abnormality can be detected by analyzing measurement data values, value transitions, etc., so the measurement data itself may be handled as monitoring information.

In the determination rule storage unit 22, an index represented by a threshold value, a range, or the like serving as a reference for determining whether the device 4 is normal or abnormal is preset and registered as a determination rule.

Each component 11 to 15 in the gateway device 10 is realized by a cooperative operation of a computer installed in the gateway device 10 and a program operating on the CPU 31 installed in the computer. The storage units 21 to 22 are realized by the HDD 34 mounted on the gateway device 10. Alternatively, the RAM 33 or an external storage means may be used via a network.

Further, the program used in this embodiment can be provided not only by communication means but also by storing it in a computer-readable recording medium such as a CD-ROM or USB memory. The program provided from the communication means or the recording medium is installed in the computer, and various processes are realized by the CPU of the computer sequentially executing the program.

Next, the monitoring process performed by the gateway device 10 according to the present embodiment will be described with reference to the flowchart shown in FIG. In the gateway device 10, an application for monitoring processing is resident in the RAM 33, and the device 4 is constantly monitored.

When the monitoring information acquisition unit 12 acquires the monitoring information of the device 4, the monitoring information acquisition unit 12 stores it in the monitoring information storage unit 21 (step 101). The monitoring information is basically collected regularly, but may be collected irregularly when an event such as an abnormality occurs. The connection information described above is collected at a cycle of once per hour if a connection request is sent to the device 4 every hour, for example. The resource information can be collected from the device 4 in a short cycle of several seconds. For example, the maximum value, the minimum value, the average value, etc. are obtained every hour and stored in the monitoring information storage unit 21 as monitoring information. May be. Log information and hardware information may be collected once a day, for example.

When the monitoring information is stored in the monitoring information storage unit 21 as described above, the abnormality detection unit 13 determines whether or not an abnormality has occurred in the device 4 by comparing the monitoring information with the determination rule. (Step 102). In the case of connection information, if the connection cannot be made normally, if the response code is code data indicating abnormality, or if the response time is longer than a predetermined threshold, it is determined as abnormal. The resource information and the hardware information are determined to be normal or abnormal by comparing with a threshold set in advance in the determination rule or by comparing with a range estimated to be normal. The log information can detect whether or not an abnormality has occurred by referring to the contents of the log.

When the abnormality of the device 4 is not detected as a result of collating the monitoring information with the determination rule (N in Step 103), the abnormality detecting unit 13 returns to Step 101 and returns to the subsequent acquisition of the monitoring information. At this time, the monitoring information used for normality / abnormality determination may be deleted from the monitoring information storage unit 21. On the other hand, when an abnormality is detected (Y in step 103), the abnormality detection unit 13 includes information on the detected abnormality, specifically, identification information of the device 4 in which the abnormality is detected, an abnormality occurrence date and time, and the content of the abnormality Thus, abnormality detection information including information necessary for abnormality analysis is generated (step 104). And the abnormality notification part 14 notifies the detection of abnormality to the monitoring server 2 by transmitting the abnormality detection information produced | generated by the abnormality detection part 13 to the high-order communication part 15 (step 105).

According to the present embodiment, even when an abnormality occurs in the hardware of the device 4, the gateway device 10 can detect the abnormality, so that the abnormality that has occurred can be notified to the monitoring server 2. In addition, since the monitoring server 2 is not allowed to perform any processing required for detecting an abnormality, the processing load on the monitoring server 2 can be greatly reduced. Furthermore, since the information notified to the monitoring server 2 is only information related to the detected abnormality, the network traffic can be reduced.

In the present embodiment, the monitoring information is directly acquired from the device 4. However, for example, it may be indirectly acquired from a separately prepared monitoring information storage unit.

Embodiment 2. FIG.
FIG. 5 is a block configuration diagram of the gateway device 10 according to the present embodiment. In addition, the same code | symbol is attached | subjected to the same component as Embodiment 1, and description is abbreviate | omitted. The gateway device 10 according to the present embodiment has a configuration in which a determination rule update unit 16 is provided in the configuration described in the first embodiment. The determination rule update unit 16 is provided as an update unit that updates the determination rule stored in the determination rule storage unit 22 with the determination rule acquired from the outside via the host communication unit 15. Here, “external” means a device that is outside the building 3 and can communicate via the network 5. In this embodiment, the monitoring server 2 is assumed.

That is, when the higher-level communication unit 15 receives the determination rule transmitted from the monitoring server 2, the determination rule update unit 16 acquires the received determination rule from the higher-level communication unit 15, and determines with the acquired determination rule. The determination rule stored in the rule storage unit 22 is updated. The transmission source of the determination rule may be determined based on the identification information of the transmission source added to the determination rule.

According to the present embodiment, the determination rule set in the gateway device 10 can be updated from the monitoring server 2. That is, the maintenance staff of the device 4 can update the determination rule from the monitoring center 1 without going to the building 3.

Embodiment 3 FIG.
FIG. 6 is a block configuration diagram of the gateway device 10 in the present embodiment. In addition, the same code | symbol is attached | subjected to the same component as Embodiment 2, and description is abbreviate | omitted. The gateway device 10 in the present embodiment has a configuration in which a gateway device (GW) information storage unit 23 is provided in the configuration shown in the second embodiment. The gateway device information storage unit 23 is a relay device information storage unit that stores identification information of a gateway device installed in each of the other buildings sharing the determination rule. In the second embodiment, the monitoring server 2 is assumed as “external”, but in the present embodiment, a gateway device installed in another building is assumed.

The operation in the present embodiment may be basically the same as that in the second embodiment, but the second embodiment is that the determination rule transmission source is not the monitoring server 2 but a gateway device installed in another building. And different.

For example, the gateway device that has updated its own determination rule with the determination rule transmitted from the monitoring server 2 as in the second embodiment is identified by broadcasting or in the gateway device information storage unit 23 of its own device. The updated determination rule is transmitted to the gateway device for which information is set and registered.

When the determination rule transmitted from the outside is acquired, the determination rule update unit 16 collates the identification information of the transmission source of the determination rule with the identification information stored in the gateway device information storage unit 23. If the matching identification information is registered in the gateway device information storage unit 23, the determination rule update unit 16 determines that the determination rule is transmitted from another gateway device, and the acquired determination rule. The judgment rule stored in the judgment rule storage unit 22 is updated. Further, when the identification information of the transmission source is the identification information of the monitoring server 2, the same processing as in the second embodiment is performed. The identification information is not particularly limited as long as it is information that can identify each gateway device, such as an IP address and a device name.

By the way, in the present embodiment, “another building sharing a judgment rule” means a building in which a gateway device for which the judgment rule is set to the same content is installed. For example, a building that exists within a certain area from the building 3 or a building whose owner or manager is the same as the building 3. If the identification information of the gateway device installed in the jurisdiction of the branch office (or even one maintenance staff) is set as a certain area, the monitoring center 1 determines the determination rule for one gateway device 10 in the area. It is possible to make the determination rule of all the gateway devices 10 in the area have the same content only by updating only. If the identification information of the gateway devices installed in the same owner or administrator building 3 is set, the same determination rule can be applied to the same owner or administrator building 3. .

In the present embodiment, only the identification information of the gateway device installed in each of the other buildings sharing the determination rule is set and registered in advance in the gateway device information storage unit 23. However, the data configuration to be registered in the gateway device information storage unit 23 is not limited to this. For example, group identification is included in all identification information of gateway devices existing in the monitoring target area in the monitoring center 1. Information may be added and registered in the gateway device information storage unit 23. And the determination rule update part 16 may update the determination rule memorize | stored in the determination rule memory | storage part 22, when the determination rule transmitted from the gateway apparatus which belongs to the same group as an own machine is acquired. . In this way, it is possible to control so that the determination rule is shared in units of groups.

Embodiment 4 FIG.
FIG. 7 is a block configuration diagram of the gateway device 10 in the present embodiment. In addition, the same code | symbol is attached | subjected to the same component as Embodiment 1, and description is abbreviate | omitted. The gateway device 10 in the present embodiment has a configuration in which a processing estimation unit 17 is provided in the configuration shown in the first embodiment. The processing estimation unit 17 is provided as an estimation unit that estimates the state of the device 4 when the monitoring information is generated based on the monitoring information accumulated in the monitoring information storage unit 21. Further, the determination rule storage unit 22 in the present embodiment stores determination rules set for each state of the device 4.

As described in the first embodiment, a threshold value for determining whether or not the device 4 is abnormal is set in the determination rule, and the abnormality detection unit 13 collates the monitoring information with the determination rule. Then, it is determined whether or not an abnormality has occurred in the device 4. However, in the first embodiment, not only the state of the device 4 but also the determination rule is uniformly set. The device 4 to be monitored in the present embodiment executes various processes such as generation of daily report processing and communication with external devices. That is, there is a case where the CPU needs to operate at a higher usage rate than usual or the disk access is performed more than usual. On the other hand, depending on the processing to be executed, writing to the disk may not be performed at all. As described above, when a common determination rule is applied to the state (operation state) of the device 4 that varies depending on the processing executed by the device 4, there is a possibility that the abnormality detection accuracy is lowered.

Therefore, in the present embodiment, a determination rule is set for each state of the device 4 and a processing estimation unit 17 is provided so that the state of the device 4 can be estimated. Hereinafter, the monitoring process in the present embodiment will be described with reference to the flowchart shown in FIG. Note that the same processing as that shown in FIG. 4 in Embodiment 1 is assigned the same step number, and description thereof will be omitted as appropriate.

The monitoring process in the present embodiment may basically be executed in the same manner as in the first embodiment. However, in the present embodiment, the process estimation unit 17 analyzes the monitoring information stored in the monitoring information storage unit 21 to determine what state the device 4 is performing, that is, what processing is being performed. Estimate (step 401). When the process estimation unit 17 estimates the state of the device 4, the abnormality detection unit 13 reads the determination rule corresponding to the estimated state of the device 4 from the determination rule storage unit 22, and the monitoring rule that has read the monitoring information By checking (step 102), it is determined whether or not an abnormality has occurred in the device 4 (step 103).

The data itself indicating the state of the device 4 is not sent from the device 4. Therefore, in the present embodiment, as described above, the state of the device 4 is estimated by analyzing the monitoring information sent from the device 4, and a determination rule that matches the estimated state of the device 4 is used. To detect abnormalities. Thereby, abnormality detection accuracy can be improved.

In the present embodiment, the type of processing executed by the device 4 has been described as the state of the device 4. However, the state of the device 4 changes depending on time factors such as time zone and time of day. In many cases, various determination rules may be prepared in consideration of such factors as time.

Embodiment 5 FIG.
As described in the first embodiment, the monitoring information stored in the monitoring information storage unit 21 is used for detecting an abnormality of the device 4. In other words, since it cannot be deleted until it can be determined whether or not the device 4 is normal, it is necessary to hold the monitoring information in time series. Holding the monitoring information for a long time and determining whether the device 4 is normal or abnormal based on the long-time monitoring information means that the gateway device 10 is loaded accordingly.

Therefore, in the present embodiment, in addition to rules for determining “normal” and “abnormal” (threshold value, etc.), a determination rule for determining “hold” is set in the determination rule storage unit 22. In the case of a hold, the monitoring information is transmitted to the monitoring server 2 and the abnormality detection process is left to the monitoring server 2. The hardware configuration and functional block configuration of the gateway device 10 in the present embodiment may be the same as those in the first embodiment.

Hereinafter, the monitoring process in the present embodiment will be described with reference to the flowchart shown in FIG. Note that the same processing as that shown in FIG. 4 in Embodiment 1 is assigned the same step number, and description thereof will be omitted as appropriate.

The monitoring process in the present embodiment may basically be executed in the same manner as in the first embodiment. However, in the present embodiment, no abnormality is detected by comparing the monitoring information with the determination rule (N in Step 103), and it is not possible to immediately determine whether the device 4 is normal or abnormal from the monitoring information. When it does (Y in Step 106), the abnormality detection unit 13 reads the monitoring information from the monitoring information storage unit 21 (Step 107) and transmits it to the monitoring server 2 via the upper communication unit 15 (Step 108). Note that the monitoring information transmitted to the monitoring server 2 is deleted from the monitoring information storage unit 21.

In the present embodiment, when it is impossible to immediately determine whether the device 4 is normal or abnormal, the monitoring information stored in the monitoring information storage unit 21 is transmitted to the monitoring server 2 to determine whether the device 4 is normal or abnormal. The decision is left to the monitoring server 2. Thereby, it is possible to avoid an enormous amount of monitoring information stored in the monitoring information storage unit 21 and an increase in processing load required for detecting an abnormality.

In the above embodiments, the monitoring process for monitoring the device 4 based on the monitoring information and detecting an abnormality occurring in the device 4 has been described. The configuration and processing content described in each embodiment may be combined as appropriate. In the present embodiment, the gateway apparatus 10 is described as an example of the relay apparatus. However, data between the monitoring server 2 and the device 4 by connecting the external network 5 and the internal network 6 of the building 3 is described. It is not necessary to limit to the gateway device 10 as long as it is a relay device having a relay function capable of relaying communication.

1 monitoring center, 2 monitoring server, 3 building, 4 devices, 5, 6 network, 7 equipment, 10 gateway device, 11 lower communication unit, 12 monitoring information acquisition unit, 13 abnormality detection unit, 14 abnormality notification unit, 15 upper communication Unit, 16 determination rule update unit, 17 processing estimation unit, 21 monitoring information storage unit, 22 determination rule storage unit, 23 gateway device information storage unit, 31 CPU, 32 ROM, 33 RAM, 34 hard disk drive (HDD), 35 external Network interface (IF), 36 Internal network interface (IF), 37 Internal bus.

Claims

A determination rule storage means for storing a determination rule for determining whether a device to be monitored is normal or abnormal;
Obtaining means for obtaining monitoring information of the device;
An abnormality detection means for detecting an abnormality of the device by collating the monitoring information acquired by the acquisition means with a determination rule stored in the determination rule storage means;
When an abnormality is detected by the abnormality detection means, abnormality information transmission means for transmitting abnormality information related to the abnormality to the monitoring center of the device via a network;
A relay apparatus comprising:
The relay apparatus according to claim 1, further comprising an updating unit that updates the determination rule stored in the determination rule storage unit with a determination rule acquired from outside.
The relay device according to claim 2, wherein the updating unit updates the determination rule stored in the determination rule storage unit with a determination rule acquired from a relay device installed in another facility. .
Having relay device information storage means for storing identification information of a relay device installed in each of the other facilities sharing the determination rule;
The update means updates a determination rule stored in the determination rule storage means with a determination rule acquired from a relay apparatus in which identification information is stored in the relay apparatus information storage means. 3. The relay device according to 3.
Having estimation means for estimating the state of the device when the monitoring information is generated based on the monitoring information acquired by the acquisition means;
In the determination rule storage means, a determination rule set for each state of the device is stored,
The relay apparatus according to claim 1, wherein the abnormality detection unit detects an abnormality using a determination rule corresponding to the state of the device estimated by the estimation unit.
A computer accessible to a determination rule storage means for storing a determination rule for determining whether a device to be monitored is normal or abnormal,
Acquisition means for acquiring monitoring information of the device;
An abnormality detection means for detecting an abnormality of the device by collating the monitoring information acquired by the acquisition means with a determination rule stored in the determination rule storage means;
When an abnormality is detected by the abnormality detection means, abnormality information transmission means for transmitting abnormality information related to the abnormality to the monitoring center of the device via a network,
Program to function as.