CN103096033A - Power distribution surveillance video data transmission system based on metropolitan area network distributed architecture and control method - Google Patents
Power distribution surveillance video data transmission system based on metropolitan area network distributed architecture and control method Download PDFInfo
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Abstract
The invention discloses a power distribution surveillance video data transmission system based on a metropolitan area network distributed architecture. The power distribution surveillance video data transmission system comprises a photographic device in a power distribution room in a community, a converging device used for converging multiple paths of power distribution video surveillance signals, and a power distribution video surveillance platform. The photographic device sends the multiple paths of power distribution video surveillance signals to the converging device for backup. The converging device is connected and communicated with the power distribution video surveillance platform through an electric power gateway with a firewall function and a metropolitan area network special for electric power. The power distribution video surveillance platform actively issues a flow guiding demand instruction to the converging device in the community, and the converging device in the community responds and then uploads power distribution video surveillance signal data which is collected through the photographic device in the power distribution room according to the instruction. The invention also discloses a power distribution surveillance video data transmission control method based on the metropolitan area network distributed architecture at the same time. According to the power distribution surveillance video data transmission system and the power distribution surveillance video data transmission control method based on the metropolitan area network distributed architecture, necessary hardware investment cost is reduced, existing network conditions and resources are fully utilized, network loads and long-time bandwidth occupation are reduced, and ordered management of a city-level power distribution equipment surveillance system is realized.
Description
Technical field
The present invention relates to a kind of monitor video data communication system and control method thereof, especially a kind of distribution monitor video data transfer system and control method thereof based on the metropolitan area network distributed structure/architecture.
Background technology
Existing power equipment all is provided with monitoring.The Video Supervision Technique of Contemporary Digital is more and more ripe and universal, and the development of digitized video pilot signal and video compression, teletransmission technology has made the drawback of an original old cover controller switching equipment video monitoring solution more and more obvious.The monitoring of power equipment not only has been confined to closely realization in subrange, can also expand in the middle of whole city, utilize the exclusive metropolitan area network of electric power to realize long-range video monitoring converging and distribution again on network key node (as city-level power supply administration), finally can be in power supply administration and subordinate's system unit, understand the field condition of arbitrary power distribution room the inside in the city whenever and wherever possible, for emergency first-aid repair provides precious first-hand field data reference with commander.
Although video has passed through compression, but consider that the pilot signal of the distribution monitor point of whole city huge quantity like this all is dealt into the words that power supply administration converges in the future, certainly will cause serious network burden to the exclusive metropolitan area network of electric power, even cause network congestion and traffic congestion when serious, even have influence on the normal use of other business of electric power.Also can improve other monitoring system operation expense of whole City-level, strengthen the hardware investment cost, cannot utilize existing network condition and resource, emphasis network load and long-term bandwidth take, and reduce concurrent random access and the flow control process ability of super large.
Summary of the invention
First purpose of the present invention is to provide a kind of distribution monitor video data transfer system based on the metropolitan area network distributed structure/architecture.
Second purpose of the present invention is to provide the distribution monitor video data transmission control method based on the metropolitan area network distributed structure/architecture of said system.
Distribution monitor video data transfer system of the present invention and control method, pilot signal applicable to the distribution monitor point of the huge quantity in whole city all is dealt into power supply administration, and the network burden that the exclusive metropolitan area network of electric power is brought is less, can keep the normal use of smooth and easy and other business of electric power of network.Can more effectively bring into play the advantage of digitalized network pilot signal teletransmission, reduce other monitoring system operation expense of whole City-level, reduce necessary hardware investment cost, take full advantage of existing network condition and resource, alleviate network load and long-term bandwidth takies, increase concurrent random access and the flow control process ability of super large, realize the ordering management of city rank controller switching equipment monitoring system.
the following technical scheme of first goal of the invention of the present invention realizes: a kind of distribution monitor video data transfer system based on the metropolitan area network distributed structure/architecture, it is characterized in that: comprise the camera head in the power distribution room of residential quarter, be used for convergence device and distribution video monitoring platform that the multichannel power distribution video monitoring signal converges, described camera head is connected with convergence device, be sent in convergence device the multichannel power distribution video monitoring signal standby, described convergence device is by electric power gateway and the special-purpose metropolitan area network of electric power and distribution video monitoring platform connecting communication with firewall functionality, described distribution video monitoring platform initiatively issues the drainage requirement command to the convergence device of residential quarter, the convergence device of residential quarter responds and goes up the teletype command middle finger and decides the distribution video monitoring signal data that the camera head in power distribution room gathers.
Described convergence device is used for converging of multichannel power distribution video monitoring signal, the pilot signal data of the camera head in each power distribution room of Real-time Collection are also carried out unified management, after namely gathering in advance the monitor video signal data of the camera head in each power distribution room and storage, and upload distribution video monitoring signal data when receiving the drainage requirement command that the distribution video monitoring platform issues, and when not receiving the drainage requirement command that the distribution video monitoring platform issues with packet loss.
Described camera head adopts the digital camera head of supporting the drainage of RTSP agreement, described convergence device is connected with described digital camera head sets up the RTSP protocol interaction, and described digital camera head is sent to convergence device in the UDP mode with the distribution monitor video signal data, and described convergence device also specifies the The Cloud Terrace of camera to turn to control by the CGI protocol interaction of camera cradle head control.
Second following technical scheme of goal of the invention of the present invention realizes: a kind of distribution monitor video data transmission control method based on the metropolitan area network distributed structure/architecture comprises the following steps:
S1: the city power distribution supervising the network is divided into a plurality of different directorial areas take the residential quarter as unit;
S2: the monitor camera device of all controller switching equipments of each directorial area all connects and composes the distribution monitor video signal collective local area network (LAN) of this directorial area with a convergence device that collects for the multi-channel video monitor signal, each monitor video signals collecting local area network (LAN) carries out communication by gateway and metropolitan area network and distribution video monitoring platform, thereby set up the collection network that independently carries out the distribution monitor vision signal of communication by the special-purpose MAN of electric power data and distribution video monitoring platform, receive and carry out the instruction that the monitor terminal of distribution video monitoring platform forwarding is assigned;
S3: set up the distributing network that independently utilizes electric power system internal information network to carry out the distribution of monitor video signal and be sent to terminal, carry out the controller switching equipment field monitor in order to monitor terminal, separate between collection network and distributing network, only carry out communication by the distribution video monitoring platform;
S4: the convergence device of each directorial area is connected with the monitor camera device of each controller switching equipment in the one's respective area in advance, gather in advance the monitor video signal in the one's respective area and carry out unified management, when receiving the distribution video monitoring platform and issue the order of drainage demand, the server host that the monitor video signal stream of appointment is sent to the distribution video monitoring platform is processed, and when the distribution video monitoring platform does not have the drainage demand, convergence device avoids too much signal to take network automatically with packet loss;
S5: described distribution video monitoring platform is initiatively initiated and being connected of collection network, front end processor is issued to convergence device with the drainage requirement command, notify this convergence device to carry out instruction and upload the monitor video signal of specifying the power distribution room camera head to gather, and the distribution video monitoring platform is distributed through distributing network the monitor video signal that receives and be sent to monitor terminal, to realize the controller switching equipment field monitor.
In described step S3, isolate by the information security fire compartment wall between collection network and distributing network, and only allow distributing network to initiate to connect to collection network, and the connection that does not allow collection network to initiate is attached to distributing network.
In described step S4, convergence device constantly attempts connecting the RTSP protocol interaction of setting up with digital camera head in local area network (LAN), and it is standby to allow digital camera head that pilot signal data (RTP/RTCP) are sent in convergence device in the UDP mode, and when platform does not have demand, with packet loss; Convergence device specifies the The Cloud Terrace of camera to turn to control by the CGI protocol interaction of camera cradle head control.In the present invention, connecting in advance camera is in order to realize the Stateful Inspection of camera, can to respond more quickly and carry out when second arriving for the order when platform drainage demand first.
In described step S4, guarantee that in the local area network (LAN) of residential quarter, convergence device is to the front end processor of the interior video monitoring system platform of IDC machine room, the duplex channel message can reach, because the residential quarter convergence device is in local area network (LAN), so be that in the residential quarter, convergence device adopts the long connected mode of TCP initiatively to be connected to front end processor, convergence device is ready at any time to receive front end processor and issues, and realizes that route control command and the The Cloud Terrace of monitor video signal drainage turns to control command.
In described step S5, on described front end processor configuration can be in metropolitan area network the IP address of global access, after the order that front end processor reception distribution video monitoring platform issues, seek idle listening port and binding, then the convergence device of the management area of appointment is issued in assigned ip address and listening port, convergence device will specify the monitor video signal data of camera head collection to forward IP address and the listening port be uploaded to appointment, and front end processor transfers to the distribution video monitoring platform with the signal that receives and processes.
The present invention compared with prior art has the following advantages:
(1) collection of the present invention's monitor video signal in the residential quarter, the broadcast of the distribution monitor vision signal in the subordinate unit of power supply administration, realized that power distribution equipment monitors the field---with the online remote monitoring in the scope of city.The network of video signal collective of the present invention uses the secondary networking, whole monitor video signals collecting System Design is the distributed organization framework, use specially independently local area network (LAN) in the regional area of a plurality of residential quarters etc., realize respectively the collection of multichannel in the residential quarter (IP) camera signals and converge, according to the actual monitored demand, finally process specifying pilot signals to be uploaded to distribution video monitoring platform place by these convergence devices.Route control and the Explore of Unified Management Ideas of drainage have as required also been used on the basis of distributed group planar network architecture of the present invention, can not cause taking for a long time the network backbone bandwidth, effectively utilized conventional network resources, control better the input of network construction cost, also take into account simultaneously the consideration of network information security isolation, and keep playing the quick response of monitor video connection request.
(2) the whole network configuration of the controller switching equipment remote on-line monitoring system of the present invention's employing is divided into two parts substantially: be used for the metropolitan area network (metering private network) of monitor video signals collecting, i.e. collection network; Be used for video distribution to support playback terminal to realize the power supply system internal network (metropolitan area network) of monitoring, i.e. distributing network.These two networks are independent mutually, and use the information security fire compartment wall to realize isolation.
(3) distribution video monitoring platform of the present invention is controlled following convergence device according to the demand of the video monitoring of reality generation vision signal is uploaded to platform processes, when not playing demand, can not take metropolitan area network trunk bandwidth, realize the control method of drainage as required.Make good use of current existing Internet resources as far as possible, reduce overlapping investment, controlled better the input of network construction cost.
(4) the present invention has effectively utilized characteristic and the advantage of digitalization camera device, in the controller switching equipment monitoring field of electric power, has realized the electric power on-site monitoring with remote online in the scope of city.Can more effectively support the on-the-spot rescue of electric power, emergency command provides reference frame in order to speedily carry out rescue work.Also can assist at ordinary times the power supply department personnel that patrol and examine to understand at any time, confirm situation in power distribution room: whether to have unwarranted human or animal to swarm into; Whether there is power equipment abnormal, as the situation such as the dense smoke of emerging; In time carry out field condition and confirm, discovery might jeopardize the situation of the normal operation of controller switching equipment, as agingly in accessory comes off or meets the heteromophism such as plant climbing.Having availability, convenience, cost control, information security, system high efficiency operation and practicality aspect, all have obvious good social effect, is the solution that realizes with controller switching equipment monitoring remote video in the city.
Description of drawings
Fig. 1 is native system overall situation networking schematic diagram of the present invention;
Fig. 2 is the secondary networking diagram about video acquisition of the present invention;
Fig. 3 is annexation schematic diagram between capital equipment of the present invention;
Fig. 4 is the mutual overall process schematic diagram that the present invention realizes drawing by demand video flowing;
1. platform receives the video playback request from control terminal;
2. notify front end processor positioning shooting head position;
3. seek idle port and binding, receive the RTP/TCP vision signal;
4. assigned ip and listening port are issued convergence device;
5. will specify camera signals (RTP) to be uploaded to assigned ip and port;
6. by the TCP passage, transfer to platform processes;
7. platform response request sends the monitor video signal to terminal.
Embodiment
as shown in Figure 2, a kind of distribution monitor video data conveying control system based on the metropolitan area network distributed structure/architecture, comprise the camera head in the power distribution room of residential quarter, be used for convergence device and distribution video monitoring platform that the multichannel power distribution video monitoring signal converges, camera head is connected with convergence device, be sent in convergence device the multichannel power distribution video monitoring signal standby, convergence device is by gateway and the special-purpose metropolitan area network of electric power and distribution video monitoring platform connecting communication with firewall functionality, the distribution video monitoring platform initiatively issues the drainage requirement command to the convergence device of residential quarter, the convergence device of residential quarter responds and goes up the teletype command middle finger and decides the distribution video monitoring signal data that the camera head in power distribution room gathers.
Convergence device is for being used for converging of multichannel power distribution video monitoring signal, the monitor video signal data of the camera head in each power distribution room of Real-time Collection also carries out unified management and processes, store after namely having gathered in advance the monitor video signal data of the camera head in each power distribution room, and upload the monitor video signal data when receiving the drainage requirement command that the distribution video monitoring platform issues, and when not receiving the drainage requirement command that the distribution video monitoring platform issues with packet loss.
Camera head adopts the digital camera head of supporting the drainage of RTSP agreement, convergence device is connected with digital camera head sets up the RTSP protocol interaction, digital camera head is sent to convergence device in the UDP mode with the distribution monitor video signal data, and convergence device also specifies the The Cloud Terrace of camera to turn to control by the CGI protocol interaction of camera cradle head control.
the present invention is based on the distribution monitor video data transmission control method of metropolitan area network distributed structure/architecture, as shown in Fig. 1 ~ 4, take the city-level IDC of power supply administration machine room as the distribution video monitoring platform, it comprises server host and front end processor, and as the center, setting up electric power data independently special-purpose (metering is relevant) MAN carries out the collection network of distribution monitor vision signal and independently utilizes electric power system internal information network to carry out the distribution of monitor video signal and be sent to the distributing network of terminal, wherein electric power system internal information network is ISDN(Integrated Service Digital Network) in electric power system.Separate between collection network and distributing network, and isolate by the information security fire compartment wall, and use the front end processor security solution, namely only allow power supply administration's internal network one side initiatively to initiate TCP to outside front end processor and connect, do not allow to be attached to internal network from the connection that the collection network of outside is initiated.Particularly, between the server host of distribution video monitoring platform and front end processor, fire compartment wall is set, by fire compartment wall, power supply administration's internal network and external video data collection network are separated, front end processor is positioned in the middle of the external data collection network, is responsible for the video flowing that confluxes and send from the different convergence devices in each residential quarter in the city; The server host of distribution video monitoring platform is positioned at one of power supply administration's internal network, and server host does not directly carry out protocol interaction with following each residential quarter convergence device, and is only mutual by passage and the front end processor of being trusted.Consider from the angle of information security, the level of security of power supply administration's internal network is higher, therefore fire compartment wall is set to only allow connect out from the inner initiation of power supply administration, namely must initiatively initiate TCP by server host and be connected to the front end processor designated port and get on.Configurable firewall packet filtering rule on firewall box, setting up the TCP connection needs through three-way handshake, wherein fire compartment wall can be passed through for the syn message in source in power supply administration inside, the initiation source is that the outside syn message that gathers the networking needs to be blocked, in other words can't successfully set up the TCP passage, thereby realize the isolation of information security.Front end processor is sent to platform to the monitor video signal data that collects and is further processed by this bidirectional data transfers passage in logic of being trusted.
The collection network of distribution monitor vision signal adopts the secondary groups web frame substantially, and first order network is made of to communicate as the metropolitan area network of signal covering whole city and distribution video monitoring platform a plurality of monitor video signals collecting local area network (LAN)s.Second level network is distribution monitor video signal collective local area network (LAN), realizes communication by gateway accessing in the middle of the metropolitan area network of the outside first order.Gateway is the routing device with firewall functionality, distribution monitor video signal collective local area network (LAN) is the local special-purpose NAT local area network (LAN) of each inside, residential quarter, specifically take each biotope as unit, the city power distribution supervising the network is divided into a plurality of different directorial areas, namely be a directorial area take each biotope, and set up the topological relation of trivial number of directorial area and corresponding management, and topology information is configured front end processor to the distribution video monitoring platform.The monitor camera device of all controller switching equipments of each directorial area all connects and composes the distribution monitor video signal collective local area network (LAN) of this directorial area with a convergence device that collects for the multi-path monitoring vision signal.
Convergence device is responsible for the distribution monitor vision signal in zone, this part is gathered and unified management, and in the situation that the controlled front end processor that is uploaded to city power supply administration machine room carries out relevant treatment.Monitor camera device is the digital camera of IP network, the digital camera of IP network is supported the drainage of RTSP agreement, convergence device constantly attempt connecting in local area network (LAN) and constantly retry connect to set up RTSP protocol interaction with digital camera head, connect in advance digital camera head, the state of logarithmic code camera monitors in real time, and can respond rapidly and fill order when data are processed the order arrival of drainage demand, allow digital camera head that the pilot signal data are sent to convergence device by the RTP/RTCP agreement in the UDP mode standby there.When distribution video monitoring platform place did not have demand, convergence device was not uploaded to distribution video monitoring platform place to these monitor video signals, but simply these packet loss.Convergence device also specifies the The Cloud Terrace of digital camera head to turn to control by the CGI protocol interaction of digital camera head cradle head control, so that when the distribution video monitoring platform is assigned the The Cloud Terrace steering order, the The Cloud Terrace of the digital camera head of appointment is turned to control.
By existing network routing channel, guarantee that in the local area network (LAN) of residential quarter, convergence device is to the front end processor of the interior video monitoring system platform of IDC machine room, the duplex channel message can reach.The residential quarter convergence device is in local area network (LAN), in the residential quarter convergence device initiatively be connected to front end processor (the long connected mode of TCP, on front end processor configuration can be in metropolitan area network the IP address of global access).Convergence device is ready at any time to receive front end processor and issues, and realizes that route control command and the The Cloud Terrace of monitor video signal drainage turns to control command.
When convergence device receives the control command of drainage, the monitor video signal stream of appointment will be sent to IP and the port stipulated in the middle of control command get on (UDP mode).This IP and port generally refer to IP and the idle port on front end processor, dynamically carry out according to demand bundling port and monitor.Can be in order to receive multichannel from the monitor video signal (the H264 mode is encoded) of following residential quarter, then forward process.
Keep the long of TCP mode being connected between the front end processor of distribution video monitoring platform and server host, due to safety approach mechanism, only permission initiatively is issued to the connection handshake request of front end processor from platform.After setting up the TCP interface channel, just can oppositely process being forwarded to server host from the monitor video signal data that receives below by this interface channel.
As shown in Figure 4, the server host of distribution video monitoring platform is responsible for specifically providing the monitor video flow data to playback terminal (being equivalent to live broadcast service), when having terminal to ask to check certain distribution monitor video of appointment, server host forwards the request to front end processor and positions, confirm which convergence device this monitor video is positioned at below, by the long interface channel that this convergence device initiatively connects up, issue concrete drainage control command.Provide binding in advance good idle listening port (dynamic binding in the drainage control command, the UDP mode, according to RTP and RTCP agreement, must be one strange one continuous even two port numbers, each drainage only has one tunnel vision signal, does not comprise voice data), convergence device is after receiving the drainage control command, the real-time video flow data that to collect from digital camera head, (front end processor) IP and the port that are forwarded to agreement by metropolitan area network get on.
The overall process of pilot signal drainage is:
When terminal is completed the video monitor task, when needing to disconnect, send the request that stops to server host.Platform notifies front end processor to send to the convergence device of designated cell the order (no longer taking MAN trunk bandwidth) that stops uploading the monitor video signal, cancels simultaneously the port of former receiver, video stream on front end processor and monitors.Server host also no longer sends video stream signal to playback terminal here, and the video playback of playback terminal side stops immediately.
The above embodiment of the present invention is not the restriction to protection range of the present invention; embodiments of the present invention are not limited to this; according to foregoing of the present invention; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite; modification, replacement or the change of other various ways that said structure of the present invention is made are within all dropping on protection scope of the present invention.
Claims (7)
1. distribution monitor video data transfer system based on the metropolitan area network distributed structure/architecture, it is characterized in that, comprise the camera head in the power distribution room of residential quarter, be used for convergence device and distribution video monitoring platform that the multichannel power distribution video monitoring signal converges, described camera head is connected with convergence device, be sent in convergence device road distribution video monitoring signal standby, described convergence device is by electric power gateway and the special-purpose metropolitan area network of electric power and distribution video monitoring platform connecting communication with firewall functionality, being connected and issuing the drainage requirement command of the convergence device of the unidirectional active initiation of described distribution video monitoring platform and residential quarter, the convergence device of residential quarter responds and goes up the teletype command middle finger and decides the distribution video monitoring signal data that the camera head in power distribution room gathers.
2. the distribution monitor video data transfer system based on the metropolitan area network distributed structure/architecture according to claim 1, it is characterized in that, described camera head adopts the digital camera head of supporting the drainage of RTSP agreement, described convergence device is connected with described digital camera head sets up the RTSP protocol interaction, convergence device specifies the The Cloud Terrace of camera to turn to control by the CGI protocol interaction of camera cradle head control, and described digital camera head is sent to convergence device in the UDP mode with the distribution monitor video signal data.
3. the distribution monitor video data transmission control method based on the metropolitan area network distributed structure/architecture, is characterized in that, comprises the following steps:
S1: the city power distribution supervising the network is divided into a plurality of different directorial areas take the residential quarter as unit, and sets up the topological relation of trivial number of directorial area and corresponding management, and topology information is configured front end processor to the distribution video monitoring platform;
S2: the monitor camera device of all controller switching equipments of each directorial area all connects and composes the video monitoring signal collection local area network (LAN) of this directorial area with a convergence device that collects for the multi-channel video monitor signal, each video monitoring signal gathers local area network (LAN) and carries out communication by gateway and metropolitan area network and distribution video monitoring platform, thereby set up the collection network that independently carries out the distribution monitor vision signal of communication by the special-purpose MAN of electric power data and distribution video monitoring platform, receive and carry out the instruction that the monitor terminal of server forwarding is assigned;
S3: set up the distributing network that independently utilizes electric power system internal information network to carry out the distribution of monitor video signal and be sent to terminal, carry out the controller switching equipment field monitor in order to monitor terminal, separate between collection network and distributing network, only carry out communication by the distribution video monitoring platform;
S4: the convergence device of each directorial area is connected with the monitor camera device of each controller switching equipment in the one's respective area in advance, gather in advance the distribution monitor vision signal in the one's respective area and carry out unified management, when receiving the distribution video monitoring platform and issue the order of drainage demand, the video monitoring signal stream of appointment is sent to server to be processed, and when the distribution video monitoring platform does not have the drainage demand, convergence device avoids too much signal to take network automatically with packet loss;
S5: the distribution video monitoring platform is initiatively initiated and being connected of collection network, front end processor is issued to convergence device with the drainage requirement command, notify this convergence device to carry out instruction and upload the video monitoring signal of specifying the power distribution room camera head to gather, and the distribution video monitoring platform is distributed through distributing network the monitor video signal that receives and be sent to monitor terminal, to realize the controller switching equipment field monitor.
4. the distribution monitor video data transmission control method based on the metropolitan area network distributed structure/architecture according to claim 3, it is characterized in that, in described step S3, isolate by the information security fire compartment wall between collection network and distributing network, and only allow distributing network to initiate to connect to collection network, and the connection that does not allow collection network to initiate is attached to distributing network.
5. the distribution monitor video data transmission control method based on the metropolitan area network distributed structure/architecture according to claim 3, it is characterized in that, in described step S4, convergence device constantly attempts connecting the RTSP protocol interaction of setting up with digital camera head in local area network (LAN), and allow digital camera head be sent in convergence device standby in the UDP mode pilot signal data, and when platform does not have demand, with packet loss; Convergence device specifies the The Cloud Terrace of camera to turn to control by the CGI protocol interaction of camera cradle head control.
6. the distribution monitor video data transmission control method based on the metropolitan area network distributed structure/architecture according to claim 3, it is characterized in that, in described step S4, guarantee that in the local area network (LAN) of residential quarter, convergence device is to the front end processor of the interior video monitoring system platform of IDC machine room, the duplex channel message can reach, and makes convergence device be ready at any time receive front end processor and issues route control command and the The Cloud Terrace of the realizing the drainage of monitor video signal that get off and turn to control command.
7. the distribution monitor video data transmission control method based on the metropolitan area network distributed structure/architecture according to claim 3, it is characterized in that, in described step S5, on described front end processor configuration can be in metropolitan area network the IP address of global access, after the order that front end processor reception distribution video monitoring platform issues, seek idle listening port and binding, then the convergence device of the management area of appointment is issued in assigned ip address and listening port, the distribution video monitoring signal data retransmission of the appointment camera head collection that convergence device will gather is uploaded to IP address and the listening port of appointment, and front end processor transfers to the distribution video monitoring platform with the signal that receives and processes.
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