CN113542667B - Distributed monitoring system and control method thereof - Google Patents
Distributed monitoring system and control method thereof Download PDFInfo
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- CN113542667B CN113542667B CN202010318127.3A CN202010318127A CN113542667B CN 113542667 B CN113542667 B CN 113542667B CN 202010318127 A CN202010318127 A CN 202010318127A CN 113542667 B CN113542667 B CN 113542667B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The embodiment of the invention provides a distributed monitoring system and a control method thereof, relates to the technical field of monitoring, and aims to solve the problems of reducing the reliability of the distributed monitoring system and increasing the cost of the distributed monitoring system. The system comprises: the system comprises a plurality of acquisition devices and a plurality of clients; the plurality of acquisition devices are used for monitoring the acquisition of data; each of the plurality of clients includes: a service module and a monitoring module; the service module is used for receiving monitoring data acquired by at least one acquisition device in the plurality of acquisition devices based on a preset mapping relation, and the monitoring data acquired by any acquisition device is sent to at least one service module based on the preset mapping relation; and the monitoring module is used for acquiring monitoring data from at least one service module based on the display requirement and displaying images according to the acquired monitoring data. The embodiment of the invention is used for switching the multipath input and output of the video signal.
Description
Technical Field
The invention relates to the technical field of monitoring, in particular to a distributed monitoring system and a control method thereof.
Background
Since birth, the monitoring technology has undergone about three generations of development, which are: the system comprises a first generation local analog monitoring system, a second generation multimedia digital monitoring system and a third generation distributed monitoring system.
At present, in a third generation distributed monitoring system, switching between multiple inputs and multiple outputs of monitoring data can be generally realized through two ways, one is: the video matrix switcher is arranged in the monitoring system, and the switching of the multipath input and output of the video signals is realized through a single-chip microprocessor and a cross point switch matrix in the video matrix switcher; the other is as follows: the remote video proxy server is arranged in the monitoring system and is responsible for video routing through a dynamic routing algorithm so as to monitor the switching of multi-path input and output of data signals. In the prior art, a central server connecting all monitoring devices and terminal devices is needed when multi-channel input and output switching is realized, however, more hardware facilities such as a video matrix switcher and a remote video proxy server need to be added to the distributed monitoring system, so that the hardware cost of the distributed monitoring system is increased, and once the central server fails, the whole distributed monitoring system is paralyzed.
Disclosure of Invention
In view of this, the present invention provides a distributed monitoring system and a control method thereof, which are used to reduce the hardware cost of the distributed monitoring system and improve the reliability of the distributed monitoring system.
In order to achieve the above purpose, the technical solutions provided by the embodiments of the present invention are as follows:
in a first aspect, a distributed monitoring system is provided, including: a plurality of acquisition devices and a plurality of clients;
the plurality of acquisition devices are used for monitoring the acquisition of data;
each of the plurality of clients includes: a service module and a monitoring module;
the service module is used for receiving monitoring data acquired by at least one acquisition device in the plurality of acquisition devices based on a preset mapping relation, and the monitoring data acquired by any acquisition device is sent to at least one service module based on the preset mapping relation;
and the monitoring module is used for acquiring monitoring data from at least one service module based on display requirements and displaying images according to the acquired monitoring data.
Optionally, the second service module is configured to proxy the first service module when the first service module fails;
the second service module is one of the service modules of the plurality of clients except the first service module.
Optionally, the first client to which the first service module belongs and the second client to which the second service module belongs belong to the same client group.
Optionally, the second client is a client with the largest number among all clients except the first client in the client group to which the first client belongs.
Optionally, the plurality of acquisition devices comprise a plurality of cameras;
the monitoring data includes video data collected by the plurality of cameras.
In a second aspect, a control method for a distributed monitoring system is provided, which is applied to a client in the distributed monitoring system, where the distributed monitoring system includes a plurality of acquisition devices and a plurality of clients, and the method includes:
determining a first service module based on a preset mapping relationship under the condition that monitoring data acquired by target acquisition equipment needs to be acquired, wherein the first service module is a service module used for receiving the monitoring data acquired by the target acquisition equipment, and the preset mapping relationship comprises: a mapping relationship between the first service module and the target collection device, wherein the target collection device is one of the collection devices;
acquiring monitoring data acquired by the target acquisition equipment from the first client, wherein the first client is a client to which the first service module belongs, and the first client is one of the plurality of clients;
and displaying images based on the monitoring data acquired by the target acquisition equipment.
Optionally, after determining the first service module based on the preset mapping relationship, the method further includes:
determining whether the first service module fails;
if the first service module fails, determining a second service module, wherein the second service module is used for acting the first service module;
acquiring monitoring data acquired by the target acquisition equipment from a second client, wherein the second client is a client to which the second service module belongs;
and displaying images based on the monitoring data acquired by the target acquisition equipment.
Optionally, the first client to which the first service module belongs and the second client to which the second service module belongs belong to the same client group.
Optionally, the second client is a client with the largest number in all clients except the first client in the client group to which the first client belongs.
Optionally, the method further includes:
receiving an agent indication, wherein the agent indication is used for indicating to agent a service module of a third client;
proxying a service module of the third client based on the proxy indication.
In a third aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the control method of the distributed monitoring system according to the second aspect or any implementation manner of the second aspect.
The distributed monitoring system provided by the embodiment of the invention comprises: a plurality of acquisition devices and a plurality of clients; the plurality of acquisition devices are used for monitoring the acquisition of data; each of the plurality of clients includes: a service module and a monitoring module; the service module is used for receiving monitoring data acquired by at least one acquisition device in the plurality of acquisition devices based on a preset mapping relation, and the monitoring data acquired by any one acquisition device is mapped to one service module; and the monitoring module is used for acquiring monitoring data from at least one service module based on the display requirement and displaying images according to the acquired monitoring data. In the scheme, the service module of the client receives the monitoring data acquired by the acquisition equipment, and the monitoring module of the client acquires the monitoring data from at least one service module based on the display requirement, so that the decentralized monitoring system provided by the embodiment of the invention realizes decentralized and does not need a central server, the embodiment of the invention can reduce the hardware cost of the distributed monitoring system, and because the embodiment of the invention does not have the central server, the failure of the central server can be avoided to cause the paralysis of the whole distributed monitoring system, and the reliability of the distributed monitoring system is further improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings.
Fig. 1 is a schematic diagram of a distributed monitoring system according to an embodiment of the present invention;
FIG. 2 is a second schematic diagram of a distributed monitoring system according to an embodiment of the present invention
Fig. 3 is a schematic diagram of a transmission path of a distributed monitoring system according to an embodiment of the present invention;
fig. 4 is a second schematic transmission path diagram of the distributed monitoring system according to the embodiment of the present invention;
fig. 5 is a third schematic diagram of a transmission path of a distributed monitoring system according to an embodiment of the present invention;
fig. 6 is a first schematic diagram illustrating a control method of a distributed monitoring system according to an embodiment of the present invention;
fig. 7 is a second schematic diagram of a control method of a distributed monitoring system according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a distributed monitoring system in a port remote control scheme according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
The terms "first" and "second," and the like, in the description and in the claims of the present invention are used for distinguishing between synchronized objects, and are not used to describe a particular order of objects. For example, the first interface and the second interface, etc. are for distinguishing different interfaces, rather than for describing a particular order of the interfaces.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion. Further, in the description of the embodiments of the present invention, the meaning of "a plurality" means two or more unless otherwise specified.
In order to solve the problems that when a video monitoring system in the related art realizes the switching of multi-path input and output of video signals, more hardware facilities need to be added in the video monitoring system, so that the reliability of the video monitoring system is reduced, and the cost of the video monitoring system is increased, the invention provides a distributed monitoring system and a control method thereof. Thereby saving hardware cost and improving the reliability of the distributed monitoring system.
The distributed monitoring system and the control method thereof provided by the embodiment of the invention can be applied to a video monitoring scene with multi-channel input and multi-channel output.
An embodiment of the present invention provides a distributed monitoring system, including: the system comprises a plurality of acquisition devices and a plurality of clients;
the system comprises a plurality of acquisition devices, a monitoring device and a control device, wherein the acquisition devices are used for acquiring monitoring data;
optionally, the plurality of collecting devices may be a plurality of cameras, and the collected monitoring data may include video data collected by some of the plurality of cameras, or may include data collected by all of the plurality of cameras.
Each of the plurality of clients includes: a service module and a monitoring module;
the service module is used for receiving monitoring data acquired by at least one acquisition device in the plurality of acquisition devices based on a preset mapping relation, and the monitoring data acquired by any acquisition device is sent to at least one service module based on the preset mapping relation;
and the monitoring module is used for acquiring monitoring data from at least one service module based on the display requirement and displaying images according to the acquired monitoring data.
The above-mentioned collecting device may be a camera. Alternatively, the camera may be a web camera. That is, the capturing device may be a camera connected to other devices through a wireless or wired network.
For example, the following description will be given by taking an example in which the distributed monitoring system provided by the embodiment of the present invention includes 6 webcams and 4 clients. As shown in fig. 1, a distributed monitoring system provided in an embodiment of the present invention includes: a network camera V1, a network camera V2, a network camera V3, a network camera V4, a network camera V5, a network camera V6, a client 1001, a client 2001, a client 3001, and a client 4001; the client 1001 and the client 2001 are divided into a client group (client group a), the client 3001 and the client 4001 are divided into a client group (client group B), the client 1001 includes a service module (i.e., a service program) S1 and a monitoring module (i.e., a monitoring program) C1, the client 2001 includes a service module S2 and a monitoring module C2, the client 3001 includes a service module S3 and a monitoring module C3, and the client 4001 includes a service module S4 and a monitoring module C4.
In fig. 1, the preset mapping relationship is: the mapping of V1 to S1, V2 and V3 to S2, V4 and V5 to S3, and V6 to S6 are shown by way of example. That is, S1 receives the video data captured by V1, S2 receives the video data captured by V2 and V3, S3 receives the video data captured by V4 and V5, and S6 receives the video data captured by V6. Each of the monitoring modules C1 to C4 may set a preview video template composed of images of any of the cameras V1 to V6, that is, the monitoring module in each client is capable of acquiring video data from a service module of any client, and then displays video data acquired by any network camera in reality without depending on hardware such as a video matrix switcher, and fig. 2 shows a mapping relationship between the network camera and the service module in the client in a solid line connection manner.
Optionally, the embodiment of the present invention may provide two image switching manners, namely, manual switching and Transmission Control Protocol (TCP) command switching.
The distributed monitoring system provided by the embodiment of the invention comprises: the system comprises a plurality of acquisition devices and a plurality of clients; the plurality of acquisition devices are used for monitoring the acquisition of data; each of the plurality of clients includes: a service module and a monitoring module; the service module is used for receiving monitoring data acquired by at least one acquisition device in the plurality of acquisition devices based on a preset mapping relation, and the monitoring data acquired by any one acquisition device is mapped to one service module; and the monitoring module is used for acquiring monitoring data from at least one service module based on the display requirement and displaying images according to the acquired monitoring data. In the scheme, the service module of the client receives the monitoring data acquired by the acquisition equipment, and the monitoring module of the client acquires the monitoring data from at least one service module based on the display requirement, so that the decentralized monitoring system provided by the embodiment of the invention realizes decentralized and does not need a central server, the embodiment of the invention can reduce the hardware cost of the distributed monitoring system, and the embodiment of the invention does not have the central server, so that the breakdown of the whole distributed monitoring system caused by the fault of the central server can be avoided, and the reliability of the distributed monitoring system is further improved.
Optionally, the service modules of the multiple clients may include a first service module and a second service module.
The second service module is used for acting the first server module when the first service module fails;
the second service module is one of the service modules of the plurality of clients except the first service module.
Optionally, the first client to which the first service module belongs and the second client to which the second service module belongs belong to the same client group.
Optionally, the second client is a client with the largest number in all clients except the first client in the same client group.
For example, as shown in fig. 2, when a service module S1 of a client 1001 fails, the system will automatically select 1 service module S2 of the client 2001 with the largest number from a client group a to which the client 1001 belongs to proxy the service module of the client 1001, and the service module S2 will proxy the video stream of the network camera V1 in charge of the service module S1 without affecting the camera image display in charge of the service module S1. That is, S2 acts to proxy S1 for S1 when S1 fails.
Optionally, the second client may be, in addition to the client with the largest number in all the clients except the first client in the same client group, another client, for example, a client with the smallest number in all the clients except the first client in the same client group.
Optionally, in the embodiment of the present invention, it may be determined that the clients in the same local area network are grouped into one client, and a number with a different size is configured for each client in the group.
In the distributed monitoring system provided by the embodiment of the invention, when a service module in a certain client fails or the certain client fails, the certain client can be proxied to work through other clients in the same group with the certain client, so that the normal circulation of video stream is ensured, and the reliability of the distributed monitoring system can be further ensured.
The distributed monitoring system shown in fig. 1 can be applied to a scenario involving multiple inputs and outputs of video signals, and a path for acquiring a video stream using the system shown in fig. 1 in several possible scenarios will be described in an exemplary manner.
Referring to fig. 3, since the webcam V1 is mapped to the service module S1, the monitoring module C1 can directly obtain the video stream from the service module S1, and the path of obtaining the video stream may be: V1-S1-C1, a video streaming path consisting of path 1 and path 2 in FIG. 1.
Referring to fig. 4, since the webcam V6 is mapped to the service module S4, the monitoring module C4 can directly acquire the video stream collected by the webcam V6.
In addition, the monitoring module C4 can obtain the video streams collected by the network camera V4 and the network camera V5 through the service module S3.
The path for acquiring the video stream is as follows: V6-S4-C4, a data transmission path consisting of path 3 and path 4 in FIG. 4; and (V4 + V5) -S3-C4, as in FIG. 4 the video streaming path consisting of path 5, path 6, and path 7.
Referring to fig. 5, when a failure occurs and the server S1 (1001) exits abnormally, for example, the system automatically selects 1 service module S2 (2001) with the largest number as the proxy client in the group a, and the service module S2 proxies the video stream of the camera in which S1 is responsible, so that the image display of the camera in which S1 is responsible is not affected.
Viewing the video image of the network camera V1 from the client 3001, the path of acquiring the video stream may be: V1-S2-C3, as in the video streaming path consisting of path 8 and path 9 in fig. 5.
The embodiment of the invention also provides a control method of the distributed monitoring system, which can be applied to the distributed monitoring system.
Exemplarily, the control method of the distributed monitoring system is applied to a client in the distributed monitoring system, where the distributed monitoring system includes a plurality of acquisition devices and a plurality of clients, as shown in fig. 6, and the method includes:
s61, under the condition that monitoring data acquired by target acquisition equipment needs to be acquired, determining a first service module based on a preset mapping relation.
The first service module is a service module for receiving monitoring data acquired by the target acquisition device, and the preset mapping relationship includes: and the mapping relation between the first service module and the target acquisition equipment, wherein the target acquisition equipment is one of the plurality of acquisition equipment.
For example, based on the system shown in fig. 1, assuming that the target collection device is the network camera V1, in the case that monitoring data collected by the network camera V1 needs to be acquired, the first service module may be determined as S1.
S62, acquiring the monitoring data acquired by the target acquisition equipment from the first client.
The first client is a client to which the first service module belongs, and the first client is one of the plurality of clients.
And S63, displaying images based on the monitoring data acquired by the target acquisition equipment.
That is, after the first service module is determined to be S1 based on the preset mapping relationship, the monitoring data acquired by the target acquisition device may be acquired from the client 1001 where S1 is located, and image display may be performed based on the acquired monitoring data.
It should be noted that, in the embodiment of the present invention, only the situation that monitoring data of one target collection device needs to be acquired is described, when monitoring data of multiple collection devices needs to be acquired, a method for acquiring monitoring data of each collection device in the monitoring data of the multiple collection devices is similar to the method shown in fig. 3, and a description of the embodiments of the present invention is omitted.
In the control method of the distributed monitoring system provided by the embodiment of the invention, under the condition that monitoring data acquired by target acquisition equipment needs to be acquired, the first service module can be determined based on the preset mapping relation, and the preset mapping relation can represent the mapping relation between different acquisition equipment and the service modules in different clients, so that the monitoring data in the target acquisition equipment can be directly acquired through the first service module in the client.
Further, as shown in fig. 7, a control method of a distributed monitoring system provided in the present invention includes:
s71, under the condition that monitoring data acquired by the target acquisition equipment needs to be acquired, determining a first service module based on a preset mapping relation.
For example, as shown in fig. 1, in a case where monitoring data collected by the network camera V1 needs to be acquired, the first service module may be determined as S1 based on a preset mapping relationship.
And S72, determining whether the first service module fails.
In the above step S72, if the first service module has not failed, the following steps S73 and S76 are performed, and if the first service module has not failed, the following steps S74 to S76 are performed.
And S73, acquiring the monitoring data acquired by the target acquisition equipment from the first client.
And S74, determining a second service module for acting on the first service module.
And the first client side to which the first service module belongs and the second client side to which the second service module belongs belong to the same client side group.
Optionally, the second client is a client with the largest number in all clients except the first client in the client group to which the first client belongs.
For example, referring to the above scenario 3, when the service module S1 (1001) fails, the system will automatically select the service module S2 (2001) of the client with the largest number from the group a as the proxy service module, and the service module S2 will proxy the video stream of the camera in charge of S1 without affecting the image display of the camera in charge of the service module S1. That is, S2 acts to proxy S1 for S1 when S1 fails.
And S75, acquiring the monitoring data acquired by the target acquisition equipment from the second client.
And the second client is the client to which the second service module belongs.
And S76, displaying images based on the monitoring data acquired by the target acquisition equipment.
Further, in the control method of the distributed monitoring system provided in the embodiment of the present invention, when a service module in a certain client fails or when the certain client fails, other clients in the same group as the certain client may be determined to act on the certain client, so as to ensure normal flow of video streams and avoid overall paralysis of the distributed monitoring system due to failure of the central server.
Fig. 8 is a schematic diagram illustrating an architecture of a distributed monitoring system in a port remote control scheme. Wherein, include: the system comprises machine rooms of 24 ports, wherein 16 cameras (shown as V1 to V16 respectively in the figure) are arranged in the machine rooms of each port, the cameras of the machine rooms of each port are collected through a switch, then video stream signals are transmitted to the switch of a central machine room through a wireless network bridge, and then the video stream signals are sent to clients of a remote control center through the switch of the central machine room, wherein the remote control center is provided with 14 clients (shown as client 1 to client 14 respectively in the figure) which are divided into five client groups of A, B, C, D and E.
In the remote control scheme of the port, the control method of the distributed monitoring system provided in the above method embodiment may also be adopted to obtain video data of one or more cameras in any port, and when a failure occurs in a certain client, may control another client to proxy the work of the certain client, for example, when the client 1 in the group a fails, may control the client 2 to proxy the work of the client 1.
In addition to the specific application scenario of the port remote control, the distributed monitoring system and the control method thereof provided by the embodiment of the invention can also be applied to any scenario involving switching of multiple inputs and outputs of video signals, such as market monitoring, residential building monitoring, traffic monitoring, and the like. The scenarios in the embodiments of the present invention are merely exemplary and are not limited to these scenarios in practice.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements the control method of the distributed monitoring system.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied in the medium.
The processor may be a Central Processing Unit (CPU), other general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may include forms of volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer readable media includes both permanent and non-permanent, removable and non-removable storage media. Storage media may implement information storage by any method or technology, and the information may be computer-readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include transitory computer readable media (transmyedia) such as modulated data signals and carrier waves.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A distributed monitoring system, comprising: the system comprises a plurality of acquisition devices and a plurality of clients;
the plurality of acquisition devices are used for monitoring the acquisition of data;
each of the plurality of clients comprises: a service module and a monitoring module;
the service module is used for receiving monitoring data acquired by at least one acquisition device in the plurality of acquisition devices based on a preset mapping relation, and the monitoring data acquired by any acquisition device is sent to at least one service module based on the preset mapping relation;
and the monitoring module is used for acquiring monitoring data from at least one service module based on display requirements and displaying images according to the acquired monitoring data.
2. The distributed monitoring system of claim 1,
the second service module is used for acting the first service module when the first service module fails;
the second service module is one of the service modules of the plurality of clients except the first service module.
3. The distributed monitoring system of claim 2, wherein a first client to which the first service module belongs and a second client to which the second service module belongs belong to a same client group.
4. The distributed monitoring system according to claim 3, wherein the second client is a client with the largest number among all clients except the first client in the client group to which the first client belongs.
5. The distributed monitoring system of any of claims 1-4, wherein the plurality of collection devices comprises a plurality of cameras;
the monitoring data includes video data collected by the plurality of cameras.
6. A control method of a distributed monitoring system is applied to a client in the distributed monitoring system, the distributed monitoring system comprises a plurality of acquisition devices and a plurality of clients, and the method comprises the following steps:
determining a first service module based on a preset mapping relationship under the condition that monitoring data acquired by target acquisition equipment needs to be acquired, wherein the first service module is a service module used for receiving the monitoring data acquired by the target acquisition equipment, and the preset mapping relationship comprises: a mapping relationship between the first service module and the target collection device, wherein the target collection device is one of the collection devices;
acquiring monitoring data acquired by the target acquisition equipment from a first client, wherein the first client is a client to which the first service module belongs, and the first client is one of the plurality of clients;
and displaying images based on the monitoring data acquired by the target acquisition equipment.
7. The method of claim 6, wherein after determining the first service module based on the predetermined mapping relationship, the method further comprises:
determining whether the first service module fails;
if the first service module fails, determining a second service module, wherein the second service module is used for acting the first service module;
acquiring monitoring data acquired by the target acquisition equipment from a second client, wherein the second client is a client to which the second service module belongs;
and displaying images based on the monitoring data acquired by the target acquisition equipment.
8. The method of claim 7, wherein a first client to which the first service module belongs to a same client group as a second client to which the second service module belongs.
9. The method according to claim 8, wherein the second client is a client with the largest number among all clients except the first client in the client group to which the first client belongs.
10. The method of claim 6, further comprising:
receiving an agent indication, wherein the agent indication is used for indicating to agent a service module of a third client;
proxying a service module of the third client based on the proxy indication.
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