CN109688587B - Information interaction method between networking service sub-platform and public security information network - Google Patents
Information interaction method between networking service sub-platform and public security information network Download PDFInfo
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- CN109688587B CN109688587B CN201811571270.2A CN201811571270A CN109688587B CN 109688587 B CN109688587 B CN 109688587B CN 201811571270 A CN201811571270 A CN 201811571270A CN 109688587 B CN109688587 B CN 109688587B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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Abstract
The invention discloses an information interaction method between a networking service sub-platform and a public security information network, which comprises the following steps: the command scheduling application of the networking service sub-platform initiates an application layer tunnel; an application server in the public security information network is used as a server side, an application server in the networking service sub-platform is used as a client side, and data except streaming media between the networking service sub-platform and the public security information network are interacted through an application layer tunnel; the problem of how to guarantee that the fixed command center of public security intranet can command/dispatch the mobile police terminal as required, can not bring great influence to the vpn gateway in border department again, the gatekeeper is solved.
Description
Technical Field
The invention relates to the field of mobile police service platforms, in particular to an information interaction method between a networked service sub-platform and a public security information network.
Background
The command and dispatching system based on the mobile police service platform provides a GIS function, a voice function, a video function and an IM function, and effectively supplements the existing police service communication means, so that the command and dispatching system is more and more widely used. The mobile police service platform comprises a mobile terminal, a wireless transmission link, a networking service sub-platform, a mobile security access sub-platform and a public security information network service sub-platform.
The command scheduling system based on the mobile police service application mainly comprises a mobile police service terminal (comprising a handheld terminal and a vehicle-mounted terminal), a flat scheduling platform, a fixed scheduling platform, a system service server and a storage server. In consideration of safety, fixed command centers at all levels are usually located in a public security information network, and due to the isolation of a one-way gatekeeper, a networked service sub-platform cannot be actively accessed, so that a command and scheduling system server needs to be deployed in the public security information network. However, the data requirement of the command scheduling system is real-time, the data volume is large, the number of mobile police terminals is large, and if all the servers are all deployed in the public security information network, huge impact is brought to the vpn gateway and the gatekeeper at the boundary, so that the normal work cannot be performed.
Disclosure of Invention
The invention provides an information interaction method of a broadband cluster command and dispatch system between a networking service sub-platform and a public security information network, and solves the problem of how to ensure that a fixed command center of a public security intranet can command/dispatch a mobile police terminal as required and cannot bring great influence on a vpn gateway and a gatekeeper at the boundary.
In order to achieve the above object, the present application provides an information interaction method for a broadband cluster commanding and scheduling system between a networked service sub-platform and a public security information network, the method comprising:
the network management service for commanding and dispatching in the networking service sub-platform initiates a request for establishing an application layer tunnel to the network management service for commanding and dispatching in the public security information network; the command and dispatch network management service in the public security information network is used as a server side, the command and dispatch network management service in the networking service sub-platform is used as a client side, and data except streaming media between the networking service sub-platform and the public security information network are interacted through an application layer tunnel.
Preferably, the data in the application layer tunnel needs to be transmitted after passing authentication, and the data in the application layer tunnel is transmitted through the vpn gateway and the website.
Preferably, the application layer tunnel is a sub-module of the command and dispatch system of the network service sub-platform, which actively initiates a TCP connection with the public security information network command and dispatch system, and defines a set of data encapsulation protocol, and the tunnel data processing module distributes the data received from the tunnel to the sub-module of the command and dispatch system of the network according to a destination address specified in the protocol. Except for video streaming media data, all data of the cross-networking service sub-platform and the public security information network pass through the tunnel.
Preferably, the master command and dispatch area in the public security information network is used as a server, and the slave command and dispatch area in the networked service sub-platform is used as a client.
Preferably, the command dispatch system defines the home locations of individuals and groups by establishing rules for individual numbers and group numbers, and when the mobile handset needs to participate in a communication, such as a group call, an individual call, or a group message, the mobile handset needs to register with the home management service of the communication resource.
Preferably, the dispatching desk corresponding to the networked service sub-platform initiates a voice call in the communication group A, the call information is transmitted to the networked service sub-platform voice call processing server, the voice call processing server acquires all participants of the group A by inquiring the group attribution management service, and checks whether the participants are in the public security information network currently in the communication group A; if yes, the call information is forwarded to a command and dispatch server in the public security information network through the application layer tunnel, and the command and dispatch server in the public security information network forwards the call information to all participants in the public security information network; if not, the calling information is not forwarded to the command scheduling main area.
Preferably, the dispatching desk corresponding to the platform of the public security information network calls a single mobile police terminal or a single dispatching desk, firstly, the calling information is authenticated, after the authentication is passed, the calling information is transmitted to a platform voice calling processing server in the public security information network, the voice calling processing server acquires the attribution of the mobile terminal or the dispatching desk through inquiring the management service of the attribution of the terminal, if the mobile terminal or the dispatching desk belongs to the networking service sub-platform, the calling information is forwarded to a command dispatching server of the networking service sub-platform through an application layer tunnel, and the command dispatching server in the networking service sub-platform forwards the calling information to the mobile terminal or the dispatching desk belonging to the networking service sub-platform; if not, the call information is not forwarded to the networking service sub-platform
Preferably, a dispatching station corresponding to the platform of the public security information network initiates a voice call in the communication group A, the call information is transmitted to a voice call processing server in the public security information network, the voice call processing server acquires all participation of the group A by inquiring the group attribution management service, and checks whether a participant networking service sub-platform exists in the communication group A at present; if yes, the call information is forwarded to a command scheduling server of the networked service sub-platform through the application layer tunnel, and the command scheduling server in the networked service sub-platform forwards the call information to all participants in the networked service sub-platform; if not, the call information is not forwarded to the command scheduling server of the networking service sub-platform
Preferably, if the destination of the communication group belongs to the master command and dispatch area or the slave command and dispatch area, the area belongs to the control area, and the other areas belong to the participating areas, the uplink communication message is sent to the control area first, and then the server in the control area forwards one path to the servers in the other participating areas.
Preferably, the first and second liquid crystal materials are,
a terminal B in the networking service sub-platform requests to push a real-time video in the communication group B, and after receiving the request, a video management server of the networking service sub-platform allocates a video push address belonging to a streaming media server of the networking service sub-platform to the terminal B; .
After the real-time video of the terminal B is successfully pushed, the video management server of the networking service sub-platform sends a notice of receiving the real-time video to the members in the communication group B; after receiving the communication message notification, the members in the communication group B apply for playing messages to a video management server of the networking service sub-platform, the management server checks whether the attribution of the applicant belongs to the networking service sub-platform, and if the attribution belongs to the networking service sub-platform, the management server returns the playing address on the streaming media of the networking service sub-platform;
the dispatching platform E in the public security information network applies for playing the real-time video to a management server of the networking service sub-platform through an application layer tunnel, the management server checks that the dispatching platform belongs to the public security information network, namely a streaming media forwarding server in the networking service sub-platform forwards the real-time video to a streaming media server in the public security information network, and returns a video playing address of the real-time video in the public security network to the dispatching platform E after the real-time video is successfully played;
the dispatching desk F of the command dispatching main area enters the communication group B after the dispatching desk E, the dispatching desk F receives the notification that the terminal B is pushing the communication message, and applies for playing the video to a video management server of the networking service sub-platform; and the video management server checks that the applicant belongs to the public security information network, but the video is forwarded to the streaming media server in the same district of the applicant, and only returns the play address of the video on the streaming media server in the main command and dispatch area to the dispatching desk F.
Preferably, the video initiated by the dispatching desk belonging to the public security information network is pushed to a streaming media server in the public security information network, the video is provided with a grade label, and when the dispatching desk of the public security information network pushes the video, whether the video is allowed to be forwarded to an external network or not is selected, and a related message receiver is informed; the receiver applies for playing the message to a video management server in the public security information network; the management server checks the network where the player is located, and if the network is located in the public security information network, the management server returns the play address of the communication message to the applicant; if the communication message is in the networking service sub-platform, checking whether the communication message is allowed to be forwarded or not, and if not, rejecting the request; if the video is allowed to be forwarded, checking whether the communication message is forwarded to the networking service sub-platform, and if the communication message is forwarded, returning a playing address of the video on a streaming media server of the networking service sub-platform to the applicant; if the video is not forwarded to the networking service sub-platform, the management server of the networking service sub-platform is informed, the real-time video is pulled to the streaming media server of the networking service sub-platform, and after the real-time video is successfully pulled, the video playing address on the streaming media server of the networking service sub-platform is returned to the applicant.
Preferably, the management server in the method is also used for managing and controlling network bandwidth occupation, and if the bandwidth occupied by the communication message entering the public security information network exceeds the bandwidth reserved for the message application by the platform, the subsequent communication is stopped from being forwarded to the public security information network.
One or more technical solutions provided by the present application have at least the following technical effects or advantages:
the problem of how to guarantee that the fixed command center of public security intranet can command/dispatch the mobile police terminal as required, can not bring great influence to the vpn gateway in border department again, the gatekeeper is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention;
FIG. 1 is a schematic diagram of the principle of the method;
FIG. 2 is a schematic diagram of a specific application of the method.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
Referring to fig. 1, the present application provides an information interaction method of a broadband cluster commanding and scheduling system between a networked service sub-platform and a public security information network, where the method includes:
an application of the networking service sub-platform initiates an application layer tunnel; the public security information network is used as a server side, the networking service sub-platform is used as a client side, and data except streaming media between the networking service sub-platform and the public security information network are interacted through an application layer tunnel.
In the embodiment of the application, the data in the application layer tunnel needs to be transmitted after passing the authentication, and the data in the application layer tunnel is transmitted through the vpn gateway and the website.
In the embodiment of the application, the gatekeeper between the networking service sub-platform and the public security information network is a unidirectional gatekeeper, that is, the networking service sub-platform cannot be actively accessed in the public security information network. Therefore, the method designs an application layer tunnel initiated by the application of the networked service sub-platform, the broadband cluster commanding and dispatching system in the public security information network is used as a service end and is called a commanding and dispatching main area, the broadband cluster commanding and dispatching system in the networked service sub-platform is used as a client and is called a commanding and dispatching slave area, data except streaming media of the commanding and dispatching slave area and the commanding and dispatching main area are interacted through the application layer tunnel, the bidirectional intercommunication of the application layer is achieved, the tunnel only allows the legal data of the commanding and dispatching system to be interacted, and the safety of the tunnel is ensured through the vpn gateway and the website.
The dispatching desk based on the flat plate initiates a call in the group 1, the voice reaches the voice processing server of the command dispatching slave area, the voice processing server checks whether a participant is in the command dispatching master area or not, if so, the voice of the path is forwarded to the voice server in the command dispatching master area through the application layer tunnel, the voice server in the command dispatching master area is forwarded to all participants in the public security information network, and if not, the voice is not forwarded to the command dispatching master area. The method protects that the voice service is forwarded to the public security information network according to the requirement, and only one path of voice service is forwarded, so that the access bandwidth between the networking service sub-platform and the public security information network is greatly saved.
If a dispatching desk in the public security information network needs to initiate a call to a mobile police terminal, according to the current network topology, requests and data cannot reach the mobile police terminal, but by means of an application layer tunnel, the requests and data of the dispatching desk in the public security information network can reach a server of a command dispatching slave area of a networking service sub-platform, tunnel management of the command dispatching master area firstly checks whether the requests and data are legal, and only the requests and data in protocol regulations are allowed to enter the tunnel.
The group refers to a communication group, the zone refers to a command scheduling master zone or a command scheduling slave zone, the destination of the group belongs to which zone, the zone belongs to a control zone, other zones belong to participating zones, uplink voice can arrive in the zone first, and then the voice server of the control zone forwards one path to the voice servers of other participating zones. Therefore, the interaction of voice between the networked service sub-platform and the public security information network can be effectively reduced through the home of the design group. The group created by the administrative department usually only participates in the mobile police terminal, so the home of the group is placed in the command dispatch slave area of the networking service sub-platform. For a temporary group created from a terminal or a dispatcher station, the attribution of the temporary group is consistent with the creator. For example, if the creator belongs to the command scheduling slave zone located in the networked service sub-platform, the home location of the new group is also the command scheduling slave zone, otherwise, the command scheduling master zone located in the public security information network. The interaction between the text chatting and the text file and the public security information network on the networking service sub-platform is consistent with the voice.
Mobile video applications play an important role in police work, and typically include video capture, video group sharing, and video calls. In addition to video calls, video applications in police work have a significant feature, and one video source can be watched by multiple people simultaneously. Video applications in different scenes have different requirements on resolution and definition, the video stream code rate usually varies from 500kbps to 2Mbps, and for safety, all videos are stored in a public security information network, but if a large number of concurrent videos enter the public security information network without selection, huge impact on a mobile security access sub-platform is caused, and even channel blockage is caused. The method accesses the real-time video to the public security information network according to the requirement, and transfers the video stored in the networking service sub-platform to the public security information network in the period of no network busy.
Referring to fig. 2, the method of the present application is as follows:
the flat dispatching desk A and the mobile police terminal B, C access the networking service sub-platform by using the mobile public network, and currently enter the group 1; the dispatching station E in the public security information network enters the group 1, but the dispatching station F does not currently enter the group 1; the terminal B requests to push videos in the group 1 and share the videos in the group 1, after receiving the request, the video management server of the command dispatching slave area distributes a video pushing address to the terminal B, and in order to reduce data interaction across networks, the terminal B is specified to only push the videos to the streaming media server of the area to which the video source belongs, and the terminal B only can push the videos to the streaming media server of the command dispatching slave area.
After the video push of the terminal B is successful, the video management server in the zone checks that the current group 1 members have the flat panel dispatcher a, the terminal C and the dispatcher E, and therefore notifies the members that the video is ready.
The video may be temporarily stored on the server directing the dispatch slave zone.
After receiving the video notification, the terminal C and the flat panel dispatcher station a apply for playing the video to the video management server of the video source home location. And the management server checks that the applicant and the attribution place of the video source belong to the same area, and immediately returns the playing address of the video on the stream media of the commanding and dispatching slave area.
The dispatching desk E in the public security information network applies for playing videos to the video management server of the slave region through the application layer tunnel, and because the dispatching desk E and the video sources belong to different regions, the video management server of the slave region informs the streaming media forwarding server of the slave region to forward the videos to the streaming media server of the public security information network, namely the streaming media server of the command dispatching master region, and returns the video playing address of the videos in the command dispatching master region to the dispatching desk E after success.
And the dispatching desk F of the command dispatching master area enters the group 1 after a delay, the message that the terminal B is pushing the video is obtained, and the message is applied to the video management server of the command dispatching slave area for playing. The video management server of the slave area checks that the applicant and the video source do not belong to the same area, but the video is already forwarded to the streaming media server of the same area of the applicant, so that the playing address of the video on the streaming media server of the master area of the command and dispatch is returned to the dispatching desk F, the purpose of transregional forwarding of only one path of video is achieved, and the trans-regional bandwidth occupation is reduced.
The method provides the time for configuring the video file transfer, selects the time when the network is relatively idle, for example, in the morning, and transfers the video temporarily stored in the command scheduling slave area to the command scheduling master area.
Similarly, the dispatching desk belonging to the command dispatching main area initiates the video, and the video is pushed to the streaming media server of the command dispatching main area. Because the video of the intranet cannot be forwarded to the extranet under normal conditions, the method designs a video grade label, when a dispatching desk of the intranet pushes the video, whether the video is allowed to be forwarded to the extranet or not needs to be selected, and the default setting is no forwarding. And notify the associated video recipients. And the receiver applies for playing the video to the video management server of the master area of the command and dispatch. The management server checks the network where the player is located, if the player is in the master area of the command scheduling, the playing address of the video is returned to the applicant, if the player is in the slave area of the command scheduling, whether the video is allowed to be forwarded is firstly checked, and if the video is not allowed, the request is rejected. If the video is allowed to be played, whether the video is forwarded to the command scheduling slave area or not is checked, and if the video is forwarded to the slave area, the playing address of the video on the streaming media server of the slave area is returned to the applicant. Otherwise, the video management server of the slave area is informed to pull the real-time video of the master area to the streaming media server of the slave area. (because the gatekeeper exists and the application layer tunnel does not process the streaming media data, the streaming media server in the master area cannot actively push the video to the streaming media server in the slave area), and after success, the video playing address on the streaming media server in the slave area is returned to the applicant.
The video management server is also responsible for managing and controlling the occupation of the bandwidth of the video network, and if the bandwidth occupied by the video entering the intranet exceeds the bandwidth reserved for the video application by the platform, the subsequent video is stopped to be forwarded to the intranet until the bandwidth is lower than the limited threshold value.
The method has the following characteristics:
the method forwards the voice service data to the internal network or the external network according to the requirement, and reduces the network pressure on the boundary access area.
The method reduces the server and network resources required for completing the command and scheduling service by designing the attribution of the group.
The method pushes the video to the streaming media server of the video source home location, and reduces the transmission of the video across the network. And if the player does not receive the video message notification, the player can inquire the playing address of the video from the video management server of the video source attribution.
In the method, if the player and the video source do not belong to the same area, the streaming media forwarding server forwards the video to the area where the player is located, and forwarding is carried out as required. The cross-region video is only transmitted once, and a plurality of players in the same region with the video source obtain the video from the streaming media server in the region where the players belong and play the video, so that the cross-region video is only transmitted once, and the influence of the cross-region video playing on the mobile safety access sub-platform is reduced.
In the method, when the internal network dispatching desk pushes the video, the video privacy grade can be selected, and only the video with low grade is allowed to be pushed to the mobile police service terminal of the external network, so that the video is controllable. And in the relative idle time of the network, the video temporarily stored in the commanding and dispatching slave area every day is transferred to the storage server of the commanding and dispatching master area, so that the influence of the peak time on the network is reduced. The video management server will make network flow control, if the preset threshold value is exceeded, the new request for forwarding the video to the intranet is refused
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. An information interaction method between a networking service sub-platform and a public security information network is characterized by comprising the following steps: the command and dispatch main area in the public security information network is used as a server, the command and dispatch auxiliary area in the networking service sub-platform is used as a client, and data except streaming media between the networking service sub-platform and the public security information network are interacted through an application layer tunnel;
the data in the application layer tunnel is transmitted after passing the authentication, the application layer tunnel is specifically a networking service sub-platform commanding and dispatching slave region connected with a TCP of a public security information network commanding and dispatching master region, a set of data encapsulation protocol is defined, and an application tunnel initiating end distributes the data received from the tunnel to an opposite server end or client end according to a destination address specified in the protocol.
2. The method of claim 1, wherein the command and dispatch system defines the attribution of the individual and the group by establishing the rules of the individual number and the group number, and when the mobile hand-held terminal needs to participate in the communication, the mobile hand-held terminal needs to manage service registration with the attribution of the communication resource;
a dispatching desk corresponding to the networking service sub-platform initiates a voice call in the communication group A, the call information is transmitted to a voice call processing server of the networking service sub-platform, the voice call processing server acquires all participants of the group A by inquiring the group attribution management service, and checks whether the participants in the communication group A are in the public security information network currently;
if yes, the call information is forwarded to a command and dispatch server in the public security information network through the application layer tunnel, and the command and dispatch server in the public security information network forwards the call information to all participants in the public security information network;
if not, the calling information is not forwarded to the command scheduling main area;
the dispatching desk corresponding to the networked service sub-platform initiates voice call to a single mobile terminal or dispatching desk, the call information is transmitted to the networked service sub-platform voice call processing server, the voice call processing server acquires the attribution of the mobile terminal through inquiring the attribution management service of the terminal or the dispatching desk,
if the calling information belongs to the public security information network, the calling information is forwarded to a command and dispatching server in the public security information network through an application layer tunnel, and the command and dispatching server in the public security information network forwards the calling information to a mobile terminal or a dispatching desk belonging to the public security information network; if not, the call information is not forwarded to the public security information network.
3. The method of claim 1, wherein the dispatching console in the public security information network initiates a call to a single mobile police terminal or a single dispatching console, the call information is authenticated first, after the authentication is passed, the call information is transmitted to the platform voice call processing server in the public security information network, the voice call processing server acquires the home location of the mobile terminal or the dispatching console by inquiring the terminal home location management service, if the mobile terminal or the dispatching console belongs to the networking service sub-platform, the call information is forwarded to the command dispatching server in the networking service sub-platform through the application layer tunnel, and the command dispatching server in the networking service sub-platform forwards the call information to the mobile terminal or the dispatching console belonging to the networking service sub-platform; if not, the call information is not forwarded to the networking service sub-platform; a dispatching desk corresponding to the platform of the public security information network initiates a voice call in the communication group A, the call information is transmitted to a voice call processing server in the public security information network, the voice call processing server acquires all participation of the group A by inquiring the group attribution management service, and checks whether a participant networking service sub-platform exists in the communication group A at present; if yes, the call information is forwarded to a command scheduling server of the networked service sub-platform through the application layer tunnel, and the command scheduling server in the networked service sub-platform forwards the call information to all participants in the networked service sub-platform; if not, the call information is not forwarded to the command scheduling server of the networking service sub-platform.
4. The method of claim 1, wherein the destination of the communication group belongs to a master command and dispatch area or a slave command and dispatch area, the area to which the communication group belongs is a control area, other areas belong to participating areas, the uplink communication message is first sent to the control area, and then the server in the control area forwards the message to the servers in other participating areas.
5. The method of claim 1, wherein a terminal B in the networked service sub-platform requests to push real-time video in the communication group B, and a video management server of the networked service sub-platform receives the request and then allocates a video push address belonging to a streaming media server of the networked service sub-platform to the terminal B; after the real-time video of the terminal B is successfully pushed, the video management server of the networking service sub-platform sends a notice of receiving the real-time video to the members in the communication group B; after receiving the communication message notification, the members in the communication group B apply for playing messages to a video management server of the networking service sub-platform, the management server checks whether the attribution of the applicant belongs to the networking service sub-platform, and if the attribution belongs to the networking service sub-platform, the management server returns the playing address of the video on the streaming media of the networking service sub-platform; the dispatching platform E in the public security information network applies for playing the real-time video to a management server of the networking service sub-platform through an application layer tunnel, the management server checks that the dispatching platform belongs to the public security information network, namely a streaming media forwarding server in the networking service sub-platform forwards the real-time video to a streaming media server in the public security information network, and returns a video playing address of the real-time video in the public security network to the dispatching platform E after the real-time video is successfully played; the dispatching desk F of the command dispatching main area enters the communication group B after the dispatching desk E, the dispatching desk F receives the notification that the terminal B is pushing the communication message, and applies for playing the video to a video management server of the networking service sub-platform; the video management server checks that the applicant belongs to the public security information network, and if the video is forwarded to the streaming media server in the same district of the applicant, the playing address of the video on the streaming media server in the command scheduling main district is returned to the scheduling platform F.
6. The method of claim 1, wherein the video originated from the dispatcher station belonging to the main area of command and dispatch is pushed to the streaming media server in the public security information network, the video is provided with a grade tag, and when the dispatcher station in the public security information network pushes the video, it is necessary to select whether to allow forwarding to the external network and notify the relevant message receiver; the receiver applies for playing the message to a video management server in the public security information network; the management server checks the network where the player is located, and if the network is located in the public security information network, the management server returns the playing address of the video to the applicant; if the video is in the networking service sub-platform, firstly checking whether the video is allowed to be forwarded or not, and if not, rejecting the request; if the video is allowed to be forwarded, checking whether the video is forwarded to the networking service sub-platform, and if the video is forwarded, returning a playing address of the video on a streaming media server of the networking service sub-platform to the applicant; if the video is not forwarded to the networking service sub-platform, the management server of the networking service sub-platform is informed, the video is pulled to the streaming media server of the networking service sub-platform, and after the video is successfully pulled, the video playing address on the streaming media server of the networking service sub-platform is returned to the applicant.
7. The method as claimed in claim 1, wherein the management server is further responsible for managing and controlling the occupation of network bandwidth, and if the bandwidth occupied by the communication message entering the public security information network exceeds the bandwidth reserved for the message application by the platform, the subsequent communication is stopped from being forwarded to the public security information network.
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| CN112511805B (en) * | 2020-11-27 | 2022-07-08 | 成都鼎安华智慧物联网股份有限公司 | Audio and video monitoring system for network cross-domain transmission and communication method thereof |
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