WO2019095663A1 - 培训系统服务器架构、基于该架构的视频数据传输方法及计算机存储介质 - Google Patents

培训系统服务器架构、基于该架构的视频数据传输方法及计算机存储介质 Download PDF

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Publication number
WO2019095663A1
WO2019095663A1 PCT/CN2018/089199 CN2018089199W WO2019095663A1 WO 2019095663 A1 WO2019095663 A1 WO 2019095663A1 CN 2018089199 W CN2018089199 W CN 2018089199W WO 2019095663 A1 WO2019095663 A1 WO 2019095663A1
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node
training
data
training data
video
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PCT/CN2018/089199
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English (en)
French (fr)
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张秉瑞
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平安科技（深圳）有限公司
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Priority to JP2019556912A priority Critical patent/JP6780132B2/ja
Priority to US16/632,881 priority patent/US20200186434A1/en
Priority to SG11202002837SA priority patent/SG11202002837SA/en
Publication of WO2019095663A1 publication Critical patent/WO2019095663A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21—Server components or server architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
    • H04L41/5054—Automatic deployment of services triggered by the service manager, e.g. service implementation by automatic configuration of network components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/24—Negotiation of communication capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21—Server components or server architectures
    • H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2385—Channel allocation; Bandwidth allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6338—Control signals issued by server directed to the network components or client directed to network
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/214—Generating training patterns; Bootstrap methods, e.g. bagging or boosting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/16—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using machine learning or artificial intelligence

Definitions

  • the present application relates to the field of servers, and in particular, to a training system server architecture, a video data transmission method based on the architecture, and a computer storage medium.
  • Internet + is a new format of Internet development under Innovation 2.0. It is the evolution of the Internet form driven by Knowledge Society Innovation 2.0 and its new form of economic and social development. With the development of "Internet +", as a new economic form, it relies on Internet information technology to realize the combination of the Internet and traditional industries to optimize production factors, update business systems, and reconstruct business models.
  • Internet-based network training can take many forms, including asynchronous on-demand learning, live broadcast learning, and interactive learning.
  • online training has a wide distribution and a long distance; it is difficult to talk less, and it is difficult to run a class; it has fewer students, difficulty in starting a class; less tutors and weak skills.
  • network training uses the F5 load balancing server architecture.
  • high-definition video-based network training has the characteristics of large traffic.
  • the F5 load balancing server architecture is not suitable for the transmission of large video traffic.
  • the purpose of the present application is to provide a training system server architecture, a video transmission method based on the architecture, and a computer storage medium, to improve the quality of video transmission over a wide range and over long distances, and to improve the efficiency of network training.
  • a training system server architecture which includes:
  • a management gateway connected to the control center, configured to generate forwarding logic and allocate network bandwidth according to the node control table
  • a core node connected to the management gateway, configured to receive the training data transmitted by the forwarding logic and the recording and broadcasting server, and forward the training data according to the forwarding logic;
  • a secondary node connected to the core node, configured to receive the forwarding logic and the training data, send training data to the trained terminal according to the forwarding logic, and store the training data in a secondary node On the memory.
  • the present application provides a video data transmission method, which is applied to a training server architecture, where the training server architecture includes a control center, a management gateway, a core node, a secondary node, a recording server, and a training terminal, and is characterized in that The method includes the following steps:
  • the control center pushes a node control table
  • the management gateway generates forwarding logic of audio and video data and allocates network bandwidth according to the node control table
  • the secondary node receives the training data transmitted by the core node, and multicasts the training data to the trained terminal according to the forwarding logic.
  • the present application provides a computer readable storage medium storing a program for video data transmission, the program of video data transmission being executable by at least one processor to cause the At least one processor performs the steps of the video data transmission method.
  • the training system server architecture proposed in the present application adopts a multi-layer cascade form, and the control center, the management gateway, the core node, the secondary node and the training terminal form a tree structure, and the control center and the management gateway select nodes to perform video forwarding and control network.
  • Bandwidth achieves the goal of improving video transmission quality and improving network training efficiency in large-scale and long-distance transmission.
  • FIG. 1 is a schematic block diagram of a server system architecture of a training system according to a first embodiment of the present application
  • FIG. 2 is a schematic diagram of a module of a training system server architecture according to a second embodiment of the present application
  • FIG. 3 is a schematic diagram of a module of a training system server architecture according to a third embodiment of the present application.
  • FIG. 4 is a flowchart of a video transmission method according to a fourth embodiment of the present application.
  • FIG. 5 is a flowchart of a video transmission method according to a fifth embodiment of the present application.
  • FIG. 6 is a flowchart of a video transmission method according to a sixth embodiment of the present application.
  • a first embodiment of the present application provides a module schematic diagram of a training system server architecture.
  • the present application provides a training system server architecture 1 , which includes a control center 10 , a management gateway 11 , a core node 12 , a recording server 13 , a secondary node 14 , and a trained terminal 15 .
  • the control center 10, the management gateway 11, the core node 12, the secondary node 14, and the trained terminal 15 are sequentially connected, and the recording server 13 is connected to the core node 12.
  • control center 10 is configured to push the node control table.
  • the control center 10 generates a node control table according to the number and address of the trained terminal 15, and the node control table includes a node data table and a bandwidth allocation table.
  • the number and address information of the trained terminal 15 are updated in real time through the Internet, and the control center generates the node control table according to the above information, wherein the node data table is used to select a node for transmitting data, and the network bandwidth is allocated according to the bandwidth allocation table.
  • the management gateway 11 is configured to generate forwarding logic and allocate network bandwidth according to the node control table.
  • the management gateway 11 uniformly manages forwarding logic of audio and video data and allocates network bandwidth. For example, when the network training locations are distributed in different provinces, cities, and districts, and the training is selected in different places because of different needs, the training terminals 15 that participate in the training will be different, and different forwarding will be made according to the difference. Logic can be adapted to the time, better use of network bandwidth, and make training more efficient.
  • the core node 12 is configured to receive the training data transmitted by the forwarding logic and the recording server 13, and forward the training data according to the forwarding logic.
  • the core node 12 is configured to process the training data transmitted by the recording server 13, and the training data may be audio and video data, and the core node 12 is configured to complete routing and forwarding of the audio and video data. And processing.
  • the core node receives the forwarding logic and selects the secondary node 14 according to the forwarding logic.
  • the secondary node 14 is configured as a regional push node for a different region, and when a particular region of the forwarding logic is selected to transmit training data, the core node 12 pushes the training data to a particular node.
  • the number of secondary nodes 14 is also plural.
  • secondary nodes 14 may be set up in various provinces, and training data may be transmitted by secondary nodes 14 to trained terminals 15 distributed in different provinces.
  • the trained terminal 15 can be multiple, including but not limited to a mobile terminal (such as a smart phone), a personal computer, and a classroom training terminal.
  • a second embodiment of the present application provides a module diagram of a training system server architecture.
  • the present application provides a training system server architecture 2, which includes a control center 20, a management gateway 21, a core node 22, a recording server 23, a secondary node 24, a memory 25, and Trained terminal 26.
  • the control center 10, the management gateway 21, the core node 22, the secondary node 24, and the trained terminal 26 are sequentially connected, the recording server 23 is connected to the core node 22, and the memory 25 is connected to the secondary node 24.
  • control center 20 is configured to push the node control table.
  • the control center includes a central controller 210 and a database 220.
  • the central control 210 invokes a data generation node control table in the database 220, and the node control table includes a node data table and a bandwidth allocation table.
  • the database 220 includes location information of each area, an IP address of the trained terminal 26, the number of trained terminals, training requirements, and the like.
  • the information in the database 220 is updated in real time through the Internet, and the central controller 210 generates the node control table according to the information in the database, wherein the node data table is used to select a node that transmits data, and the network bandwidth is allocated according to the bandwidth allocation table.
  • the management gateway 21 is configured to generate forwarding logic and allocate network bandwidth according to the node control table.
  • the management gateway 21 uniformly manages forwarding logic of audio and video data and allocates network bandwidth. For example, when the network training locations are distributed in different provinces, cities, and districts, and the training is selected in different places because of different needs, the training terminals 26 that participate in the training will be different, and different forwarding will be made according to the difference. Logic can be adapted to the time, better use of network bandwidth, and make training more efficient.
  • the core node 22 is configured to receive the training data transmitted by the forwarding logic and the recording server 23, and forward the training data according to the forwarding logic.
  • the core node 22 is configured to process the training data transmitted by the recording server 23, and the training data may be audio and video data, and the core node 22 is configured to complete routing and forwarding of the audio and video data. And processing.
  • the core node receives the forwarding logic and selects the secondary node 24 according to the forwarding logic.
  • the secondary node 24 is configured as a regional push node for a different region, and when a particular region is selected in the forwarding logic to transmit training data, the core node 22 pushes the training data to a particular node.
  • the secondary node 24 is configured to receive the forwarding logic and the training data, send training data to the trained terminal according to the forwarding logic, and store the training data in the secondary node 24 On the memory 26.
  • the advantage of storing the training data on the memory 26 is that the trained terminal 26 can on-demand or download the training audio and video stored on the memory 26, which contributes to the improvement of the training effect.
  • Network training can be based on real-time live training, or on-demand self-learning. Setting up memory 26 can be significant for trainees.
  • storage 25 may also be provided on core node 22.
  • the memory 26 may be a non-volatile memory, such as a ROM, an EPROM, or a Flash Memory.
  • the number of secondary nodes 24 is also plural.
  • a secondary node 24 can be set up in each province, and the secondary node 24 transmits training data to the palm break 15 distributed in different provinces.
  • the trained terminal 26 can be multiple, including but not limited to a mobile terminal (such as a smart phone), a personal computer, and a classroom training terminal.
  • a third embodiment of the present application provides a module diagram of a training system server architecture.
  • the present application provides a training system server architecture 3, which includes a control center 30, a management gateway 31, a core node 32, a recording server 33, a secondary node 34, and a trained terminal 35.
  • the control center 30, the management gateway 31, the core node 32, the secondary node 34, and the trained terminal 35 are sequentially connected, and the recording server 33 is connected to the core node 32 and the secondary node 34.
  • control center 30 is configured to push the node control table.
  • the control center generates a node control table according to the number and address of the trained terminal 35, and the node control table includes a node data table and a bandwidth allocation table.
  • the number and address information of the trained terminal 35 are updated in real time through the Internet, and the control center 30 generates the node control table according to the above information, wherein the node data table is used to select a node for transmitting data, and the network bandwidth is allocated according to the bandwidth allocation table.
  • the management gateway 31 is configured to generate forwarding logic and allocate network bandwidth according to the node control table.
  • the management gateway 31 uniformly manages forwarding logic of audio and video data and allocates network bandwidth. For example, when the network training locations are distributed in different provinces, cities, and districts, and the training is selected in different places because of different needs, the training terminals 35 that participate in the training will be different, and different forwardings will be made according to the differences. Logic can be adapted to the time, better use of network bandwidth, and make training more efficient.
  • the core node 32 is configured to receive the training data transmitted by the forwarding logic and the recording server 33, and forward the training data according to the forwarding logic.
  • the core node 32 may include a Multi Control Unit (MCU) for processing training data transmitted by the recording server 33, and the training data is audio and video data.
  • the multipoint control unit is configured to complete routing, forwarding, and processing of the audio and video data.
  • the MCU synchronizes the information flow of the training data, it extracts various information such as audio, video, data, and signaling, and sends the information to the corresponding information processing module to complete the processing of the corresponding information, for example, audio mixing. Or switching, mixing or switching of video information, broadcasting and routing of data information, timing and signaling control, etc.
  • the processed audio, video, data and signaling are reassembled and sent to each corresponding node.
  • core node 32 receives the forwarding logic and selects secondary node 34 based on the forwarding logic.
  • the secondary node 34 is set to a regional push node of a different area, and when the specific area is selected in the forwarding logic to transmit the training data, the core node pushes the training data to the specific node.
  • the secondary node 34 is configured to receive the forwarding logic and the training data, and send training data to the trained terminal according to the forwarding logic.
  • the secondary node 34 may be an MCU, and when there are multiple training zones, the secondary node 34 is also multiple.
  • the number of trained terminals 35 may be multiple and distributed in different areas.
  • the trained terminal 35 can be a mobile terminal (such as a smart phone), a personal computer, and a classroom training terminal.
  • the recording server 33 can also be set at the secondary node 34.
  • the corresponding node of the secondary node 34 needs to separately train the trained terminal in the local area, it can be separately trained.
  • a video transmission method is applied to the foregoing training system server architecture, and the method includes the following steps (please refer to FIG. 3 together):
  • the control center 30 pushes the node control table.
  • the control center 30 pushes a node control table, where the node control table includes a node data table and a bandwidth allocation table.
  • the node data table is used to select a node for transmitting data, and the network bandwidth is allocated according to the bandwidth allocation table.
  • the management gateway 31 generates forwarding logic of audio and video data and allocates network bandwidth according to the node control table.
  • the management gateway 31 uniformly manages forwarding logic of audio and video data and allocates network bandwidth. For example, when the network training locations are distributed in different provinces, cities, and districts, and the training is selected in different places because of different needs, the training terminals 15 that participate in the training will be different, and different forwarding will be made according to the difference. Logic can be adapted to the time, better use of network bandwidth, and make training more efficient.
  • the forwarding logic is a forwarding path, a bandwidth allocation scheme, and a traffic distribution scheme of audio and video data according to the difference.
  • the core node 32 receives the training data transmitted by the recording server 33, and forwards the training data according to the forwarding logic selection node.
  • the core node 32 may be a Multi Control Unit (MCU) for processing training data transmitted by the recording server 33, and the training data is audio and video data.
  • the multipoint control unit is configured to complete routing, forwarding, and processing of the audio and video data.
  • the MCU synchronizes the information flow of the training data, it extracts various information such as audio, video, data, and signaling, and sends the information to the corresponding information processing module to complete the processing of the corresponding information, for example, audio mixing. Or switching, mixing or switching of video information, broadcasting and routing of data information, timing and signaling control, etc.
  • the processed audio, video, data and signaling are reassembled and sent to each corresponding node.
  • core node 32 receives the forwarding logic and selects secondary node 34 based on the forwarding logic.
  • the secondary node 34 is set to a regional push node of a different area, and when the specific area is selected in the forwarding logic to transmit the training data, the core node pushes the training data to the specific node.
  • the secondary node 34 receives the training data transmitted by the core node 32, and multicasts the training data to the trained terminal 35 according to the forwarding logic.
  • the secondary node 34 may be an MCU, and when there are multiple training zones, the secondary node 34 is also multiple.
  • the number of trained terminals 35 may be multiple and distributed in different areas.
  • the trained terminal 35 can be a mobile terminal (such as a smart phone), a personal computer, and a classroom training terminal.
  • a video transmission method is applied to the foregoing training system server architecture, and the method includes the following steps (please refer to FIG. 3 together):
  • the control center 30 acquires training information, and generates the node control table according to the training information.
  • the control center 30 generates a node control table according to the number and address of the trained terminal 35, and the node control table includes a node data table and a bandwidth allocation table.
  • the number and address information of the trained terminal 35 are updated in real time through the Internet, and the control center 30 generates the node control table according to the above information, wherein the node data table is used to select a node for transmitting data, and the network bandwidth is allocated according to the bandwidth allocation table.
  • the S510 control center 30 pushes the node control table.
  • the control center 30 pushes a node control table, where the node control table includes a node data table and a bandwidth allocation table.
  • the node data table is used to select a node that transmits data, and allocates network bandwidth according to the bandwidth allocation table.
  • the management gateway 31 generates forwarding logic of audio and video data and allocates network bandwidth according to the node control table.
  • the management gateway 31 uniformly manages forwarding logic of audio and video data and allocates network bandwidth. For example, when the network training locations are distributed in different provinces, cities, and districts, and the training is selected in different places because of different needs, the training terminals 35 that participate in the training will be different, and different forwardings will be made according to the differences. Logic can be adapted to the time, better use of network bandwidth, and make training more efficient.
  • the forwarding logic is a forwarding path, a bandwidth allocation scheme, and a traffic distribution scheme of audio and video data according to the difference.
  • the core node 32 receives the training data transmitted by the recording server 33, and forwards the training data according to the forwarding logic selection node.
  • the core node 32 may be a Multi Control Unit (MCU) for processing training data transmitted by the recording server 33, and the training data is audio and video data.
  • the multipoint control unit is configured to complete routing, forwarding, and processing of the audio and video data.
  • the MCU synchronizes the information flow of the training data, it extracts various information such as audio, video, data, and signaling, and sends the information to the corresponding information processing module to complete the processing of the corresponding information, for example, audio mixing. Or switching, mixing or switching of video information, broadcasting and routing of data information, timing and signaling control, etc.
  • the processed audio, video, data and signaling are reassembled and sent to each corresponding node.
  • core node 32 receives the forwarding logic and selects secondary node 34 based on the forwarding logic.
  • the secondary node 34 is set to a regional push node of a different area, and when the specific area is selected in the forwarding logic to transmit the training data, the core node pushes the training data to the specific node.
  • the secondary node 34 receives the training data transmitted by the core node 32, and multicasts the training data to the trained terminal 35 according to the forwarding logic.
  • the secondary node 34 may be an MCU, and when there are multiple training zones, the secondary node 34 is also multiple.
  • the number of trained terminals 35 may be multiple and distributed in different areas.
  • the trained terminal 35 can be a mobile terminal (such as a smart phone), a personal computer, and a classroom training terminal.
  • the secondary node 34 After receiving the training data, the secondary node 34 stores the training data.
  • the secondary node 34 is configured to receive the forwarding logic and the training data, send training data to the trained terminal 35 according to the forwarding logic, and store the training data in a secondary node.
  • the memory of 34 (not shown in Figure 3).
  • the advantage of storing the training data on the memory is that the trained terminal 235 can on-demand or download the training audio and video stored in the memory, which contributes to the improvement of the training effect.
  • Network training can be based on real-time live training or on-demand self-learning training. Setting up the memory can be significant for trainees.
  • memory may also be provided on the core node 32.
  • a video transmission method is applied to the foregoing training system server architecture, and the method includes the following steps (please refer to FIG. 3 together):
  • the control center 30 pushes the node control table.
  • the control center 30 pushes a node control table, where the node control table includes a node data table and a bandwidth allocation table.
  • the node data table is used to select a node that transmits data, and allocates network bandwidth according to the bandwidth allocation table.
  • the management gateway 31 generates forwarding logic of audio and video data and allocates network bandwidth according to the node control table.
  • the management gateway 31 uniformly manages forwarding logic of audio and video data and allocates network bandwidth. For example, when the network training locations are distributed in different provinces, cities, and districts, and the training is selected in different places because of different needs, the training terminals 35 that participate in the training will be different, and different forwardings will be made according to the differences. Logic can be adapted to the time, better use of network bandwidth, and make training more efficient.
  • the forwarding logic is a forwarding path, a bandwidth allocation scheme, and a traffic distribution scheme of audio and video data according to the difference.
  • the core node 32 receives the training data transmitted by the recording server 33, and forwards the training data according to the forwarding logic selection node.
  • the core node 32 may be a Multi Control Unit (MCU) for processing training data transmitted by the recording server 33, and the training data is audio and video data.
  • the multipoint control unit is configured to complete routing, forwarding, and processing of the audio and video data.
  • the MCU synchronizes the information flow of the training data, it extracts various information such as audio, video, data, and signaling, and sends the information to the corresponding information processing module to complete the processing of the corresponding information, for example, audio mixing. Or switching, mixing or switching of video information, broadcasting and routing of data information, timing and signaling control, etc.
  • the processed audio, video, data and signaling are reassembled and sent to each corresponding node.
  • core node 32 receives the forwarding logic and selects secondary node 34 based on the forwarding logic.
  • the secondary node 34 is set to a regional push node of a different area, and when the specific area is selected in the forwarding logic to transmit the training data, the core node pushes the training data to the specific node.
  • the secondary node 34 receives the training data transmitted by the core node 32, and multicasts the training data to the trained terminal 35 according to the forwarding logic.
  • the secondary node 34 may be an MCU, and when there are multiple training zones, the secondary node 34 is also multiple.
  • the number of trained terminals 35 may be multiple and distributed in different areas.
  • the trained terminal 35 can be a mobile terminal (such as a smart phone), a personal computer, and a classroom training terminal.
  • the control center 30 selects a model training terminal, and the secondary node 34 corresponding to the exemplary training terminal transmits the demonstration video of the demonstration training terminal to the core node 32.
  • any one or more of the trained terminals 35 may be selected as an exemplary trained terminal.
  • control center 30 may select a training classroom, and transmit the video of the training classroom to the core through its corresponding secondary node 34 multi-point control unit. Node 32 multipoint control unit.
  • the core node 32 merges the model video with the training data, and then forwards the sample video to the trained terminal 35.
  • the core node 32 fuses and processes the exemplary audio and video information received from the demonstration training classroom with the training data received from the recording server, and then forwards the training data to each training terminal 35. All the trained terminals 35 receive the merged training data. After training, you can see the training and interactive information from the live broadcast.
  • the control center 30 pushes the node control table
  • the management gateway 31 generates forwarding logic of audio and video data and allocates network bandwidth according to the node control table
  • the core node 32 receives the training data transmitted by the recording server 33, and forwards the training data according to the forwarding logic selection node;
  • the secondary node 34 receives the training data transmitted by the core node 32, and multicasts the training data to the trained terminal 35 according to the forwarding logic.
  • the control center 30 acquires training information, and generates the node control table according to the training information.
  • the training data is stored.
  • the control center 30 selects the model training terminal, and the secondary node 34 corresponding to the exemplary training terminal transmits the demonstration video of the demonstration training terminal to the core node 32;
  • the core node 32 merges the exemplary video with the training data, processes it, and forwards it to the trained terminal 35.
  • the technical solution of the present application which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • a storage medium such as ROM/RAM, disk
  • the optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in the various embodiments of the present application.

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Abstract

本申请公开了一种培训系统服务器架构及基于该架构的视频传输方法，该架构包括：控制中心，用于推送节点控制表；管理网关，连接于所述控制中心，用于根据节点控制表生成转发逻辑及分配网络带宽；核心节点，连接于所述管理网关，用于接收所述转发逻辑及录播服务器传输的培训数据，并根据所述转发逻辑转发所述培训数据；二级节点，连接于所述核心节点，用于接收所述转发逻辑及所述培训数据，根据所述转发逻辑将培训数据发送给受训终端，并将所述培训数据存储在设置于二级节点的存储器上。由此可以提高网络培训的效率。

Description

培训系统服务器架构、基于该架构的视频数据传输方法及计算机存储介质
优先权申明
本申请要求于2017年11月15日提交中国专利局、申请号为201711130623.0，发明名称为“培训系统服务器架构、基于该架构的视频数据传输方法及计算机存储介质”的中国专利申请的优先权，其内容全部通过引用结合在本申请中。
技术领域
本申请涉及服务器领域，尤其涉及培训系统服务器架构、基于该架构的视频数据传输方法及计算机存储介质。
背景技术
2015年7月4日，国务院印发《国务院关于积极推进“互联网+”行动的指导意见》。“互联网+”是创新2.0下的互联网发展的新业态，是知识社会创新2.0推动下的互联网形态演进及其催生的经济社会发展新形态。随着“互联网+”如火如荼的发展，作为一种新的经济形态，它依托互联网信息技术实现互联网与传统产业的联合，以优化生产要素、更新业务体系、重构商业模式等途。
而基于“互联网+”的教育也随着技术进步大力发展。
目前，以互联网为基础的网络培训的形式多种多样，包括异步点播学习、直播转播学习、实施交互学习等。
众所周知，网络培训具有分布广、距离远；专讲少、办班难；学员少、开班难；导师少、技能弱的特点。通过搭建网络高清视频教学系统，支持网点培训办班以及导师资源，可以提高网点培训质量。
通常，网络培训多使用F5负载均衡服务器架构，然而，基于高清视频的网络培训具有大流量的特点，F5负载均衡服务器架构对于视频大流量的传输不适用。
综上所述，为迎合“互联网+”的号召，改善现有技术中网络培训的缺点，需要提出一种新型的培训系统服务器架构及采用所述培训系统服务器架构传输培训视频的方法。
发明内容
有鉴于此，本申请的目的在于提供一种培训系统服务器架构、基于该架构的视频传输方法及计算机存储介质，以提高视频在大范围、远距离传输时的质量及提高网络培训的效率。
为实现上述目的，本申请提供一种培训系统服务器架构，该架构包括：
控制中心，用于推送节点控制表；
管理网关，连接于所述控制中心，用于根据节点控制表生成转发逻辑及分配网络带宽；
核心节点，连接于所述管理网关，用于接收所述转发逻辑及录播服务器传输的培训数据，并根据所述转发逻辑转发所述培训数据；
二级节点，连接于所述核心节点，用于接收所述转发逻辑及所述培训数据，根据所述转发逻辑将培训数据发送给受训终端，并将所述培训数据存储在设置于二级节点的存储器上。
为实现上述目的，本申请提供一种视频数据传输方法，运用于培训服务器架构，所述培训服务器架构包括控制中心、管理网关、核心节点、二级节点、录播服务器及受训终端，其特征在于，所述方法包括以下步骤：
所述控制中心推送节点控制表；
所述管理网关根据所述节点控制表生成音频、视频数据的转发逻辑及分配网络带宽；
所述核心节点接收录播服务器传输的培训数据，并根据所述转发逻辑选择节点转发所述培训数据；
所述二级节点接收所述核心节点传送的培训数据，根据所述转发逻辑将培训数据多播发送给所述受训终端。
为实现上述目的，本申请提供一种计算机可读存储介质，所述计算机可读存储介质存储有视频数据传输的程序，所述视频数据传输的程序可被至少一个处理器执行，以使所述至少一个处理器执行视频数据传输方法的步骤。
本申请提出的培训系统服务器架构，采用多层级联的形式，控制中心、管理网关、核心节点、二级节点及培训终端形成树形结构，通过控制中心及管理网关选择节点进行视频转发及控制网络带宽，达成了在大范围、远距离传输时提高视频传输质量及提高网络培训效率的目标。
附图说明
图1为本申请第一实施方式提出的一种培训系统服务器架构的模块示意图；
图2为本申请第二实施方式提出的一种培训系统服务器架构的模块示意图；
图3为本申请第三实施方式提出的一种培训系统服务器架构的模块示意图；
图4为本申请第四实施方式提出的一种视频传输方法的流程图；
图5为本申请第五实施方式提出的一种视频传输方法的流程图；
图6为本申请第六实施方式提出的一种视频传输方法的流程图；
本申请目的实现、功能特点及优点将结合实施方式，参照附图做进一步说明。
具体实施方式
为了使本申请所要解决的技术问题、技术方案及有益效果更加清楚、明白，以下结合附图和实施方式，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施方式仅仅用以解释本申请，并不用于限定本申请。
需要说明的是，在本申请中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本申请要求的保护范围之内。
第一实施方式
如图1所示，本申请第一实施方式提出一种培训系统服务器架构的模块示意图。
如图1所示，在本实施方式中，本申请提供一种培训系统服务器架构1，该架构包括控制中心10、管理网关11、核心节点12、录像服务器13、二级节点14及受训终端15。控制中心10、管理网关11、核心节点12、二级节点14及受训终端15依次连接，录播服务器13连接于核心节点12。
在一实施方式中，控制中心10，用于推送节点控制表。
具体地，控制中心10根据受训终端15的数量、地址生成节点控制表，所述节点控制表中包括节点数据表、带宽分配表。受训终端15的数量、地址信息通过互联网实时更新，控制中心根据以上信息生成所述节点控制表，其中的节点数据表用于选择传输数据的节点，根据所述带宽分配表分配网络带宽。
在一实施方式中，管理网关11用于根据节点控制表生成转发逻辑及分配网络带宽。
具体地，管理网关11统一管理音频、视频数据的转发逻辑及分配网络带宽。例如，当网络培训地点分布在不同的省、市、区，不同地方因为不同的需求学对培训有所选择，因此每一次参加培训的受训终端15会有所差异，根据该差异制定不同的转发逻辑可以因时制宜，更好的利用网络带宽，使培训 更有效率。
在一实施方式中，核心节点12，用于接收所述转发逻辑及录播服务器13传输的培训数据，并根据所述转发逻辑转发所述培训数据。
具体地，所述核心节点12用于对录播服务器13传输的培训数据进行处理，所述培训数据可为音频、视频数据，核心节点12用于完成对所述音频、视频数据的路由、转发及处理。
具体地，核心节点接收所述转发逻辑，并根据所述转发逻辑选择二级节点14。例如，二级节点14被设置成不同区域的区域推送节点，当转发逻辑中选择特定区域传送培训数据时，核心节点12将所述培训数据推送到特定节点。
具体地，当受训区域为多个时，二级节点14也为多个。例如，可在各个省设置二级节点14，由二级节点14将培训数据传输给分布在不同省的受训终端15。
具体地，受训终端15可为多个，包括但不限于移动终端(如智能手机)、个人电脑，也包括教室培训终端。
第二实施方式
如图2所示，本申请第二实施方式提出一种培训系统服务器架构的模块示意图。
如图2所示，在本实施方式中，本申请提供一种培训系统服务器架构2，该架构包括控制中心20、管理网关21、核心节点22、录像服务器23、二级节点24、存储器25及受训终端26。控制中心10、管理网关21、核心节点22、二级节点24及受训终端26依次连接，录播服务器23连接于核心节点22，存储器25连接于二级节点24。
在一实施方式中，控制中心20，用于推送节点控制表。
具体地，控制中心包括中央控制器210及数据库220，中央控制210调用数据库220中的数据生成节点控制表，所述节点控制表中包括节点数据表、带宽分配表。数据库220中包括各个区域的位置信息、受训终端26的IP地址、受训终端的数目、培训需求等。数据库220中的信息通过互联网实时更新，中央控制器210根据数据库中的信息生成所述节点控制表，其中的节点数据表用于选择传输数据的节点，根据所述带宽分配表分配网络带宽。
在一实施方式中，管理网关21用于根据节点控制表生成转发逻辑及分配网络带宽。
具体地，管理网关21统一管理音频、视频数据的转发逻辑及分配网络带宽。例如，当网络培训地点分布在不同的省、市、区，不同地方因为不同的需求学对培训有所选择，因此每一次参加培训的受训终端26会有所差异，根据该差异制定不同的转发逻辑可以因时制宜，更好的利用网络带宽，使培训 更有效率。
在一实施方式中，核心节点22用于接收所述转发逻辑及录播服务器23传输的培训数据，并根据所述转发逻辑转发所述培训数据。
具体地，所述核心节点22用于对录播服务器23传输的培训数据进行处理，所述培训数据可为音频、视频数据，核心节点22用于完成对所述音频、视频数据的路由、转发及处理。
具体地，核心节点接收所述转发逻辑，并根据所述转发逻辑选择二级节点24。例如，二级节点24被设置成不同区域的区域推送节点，当转发逻辑中选择特定区域传送培训数据时，核心节点22将所述培训数据推送到特定节点。
在一实施方式中，二级节点24用于接收所述转发逻辑及所述培训数据，根据所述转发逻辑将培训数据发送给受训终端，并将所述培训数据存储在设置于二级节点24的存储器26上。将培训数据存储于存储器26上的好处在于，受训终端26可对存储于存储器26上的培训音频、视频进行点播或者下载，这样有助于培训效果的提高。网络培训可基于实时直播式的培训，也可以基于点播式的自学式，设置存储器26可对于受训学员来说，意义重大。当然，在其他实施方式中，核心节点22上也可以设置存储25。
具体地，所述存储器26可为非易失性存储器，例如可为ROM、EPROM或Flash Memory(快闪存储器)等。
具体地，当受训区域为多个时，二级节点24也为多个。例如，可在各个省设置二级节点24，由二级节点24将培训数据传输给分布在不同省的手心中断15。
具体地，受训终端26可为多个，包括但不限于移动终端(如智能手机)、个人电脑，也包括教室培训终端。
第三实施方式
如图3所示，本申请第三实施方式提出一种培训系统服务器架构的模块示意图。
如图3所示，在本实施方式中，本申请提供一种培训系统服务器架构3，该架构包括控制中心30、管理网关31、核心节点32、录像服务器33、二级节点34及受训终端35。控制中心30、管理网关31、核心节点32、二级节点34及受训终端35依次连接，录播服务器33连接于核心节点32及二级节点34。
在一实施方式中，控制中心30，用于推送节点控制表。
具体地，控制中心根据受训终端35的数量、地址生成节点控制表，所述节点控制表中包括节点数据表、带宽分配表。受训终端35的数量、地址信息通过互联网实时更新，控制中心30根据以上信息生成所述节点控制表，其中 的节点数据表用于选择传输数据的节点，根据所述带宽分配表分配网络带宽。
在一实施方式中，管理网关31用于根据节点控制表生成转发逻辑及分配网络带宽。
具体地，管理网关31统一管理音频、视频数据的转发逻辑及分配网络带宽。例如，当网络培训地点分布在不同的省、市、区，不同地方因为不同的需求学对培训有所选择，因此每一次参加培训的受训终端35会有所差异，根据该差异制定不同的转发逻辑可以因时制宜，更好的利用网络带宽，使培训更有效率。
在一实施方式中，核心节点32，用于接收所述转发逻辑及录播服务器33传输的培训数据，并根据所述转发逻辑转发所述培训数据。
具体地，所述核心节点32可包括多点控制单元(Multi Control Unit，简称MCU)，用于对录播服务器33传输的培训数据进行处理，所述培训数据为音频、视频数据，所述的多点控制单元用于完成对所述音频、视频数据的路由、转发及处理。例如，MCU将培训数据的信息流经过同步分离后，抽取出音频、视频、数据、信令等各种信息，并将信息送入相应信息处理模块，完成相应信息的处理，比如：音频的混合或切换、视频信息的混合或切换，数据信息的广播和路由、定时和信令控制等。最后将处理后的音频、视频、数据和信令等重新组合起来送往各个相应的节点。
具体地，核心节点32接收所述转发逻辑，并根据所述转发逻辑选择二级节点34。例如，二级节点34被设置成不同区域的区域推送节点，当转发逻辑中选择特定区域传送培训数据时，核心节点将所述培训数据推送到特定节点。
在一实施方式中，二级节点34用于接收所述转发逻辑及所述培训数据，根据所述转发逻辑将培训数据发送给受训终端。
具体地，二级节点34可为MCU，当受训区域为多个时，二级节点34也为多个。
具体地，受训终端35数目可为多个，分布于不同的区域。受训终端35可为移动终端(如智能手机)、个人电脑，也包括教室培训终端。
具体地，在二级节点34还可以设置录播服务器33，当二级节点34对应区域需要单独对本区域的受训终端进行培训时，可以单独培训。
第四实施方式
如图4所示，本申请第四实施方式提出的一种视频传输方法，该方法运用于前述的培训系统服务器架构，该方法包括以下步骤(请一并参阅图3)：
S410，控制中心30推送节点控制表。
具体地，控制中心30推送节点控制表，所述节点控制表中包括节点数据表、带宽分配表。其中的节点数据表用于选择传输数据的节点，根据所述带 宽分配表分配网络带宽。
S420，管理网关31根据所述节点控制表生成音频、视频数据的转发逻辑及分配网络带宽。
具体地，管理网关31统一管理音频、视频数据的转发逻辑及分配网络带宽。例如，当网络培训地点分布在不同的省、市、区，不同地方因为不同的需求学对培训有所选择，因此每一次参加培训的受训终端15会有所差异，根据该差异制定不同的转发逻辑可以因时制宜，更好的利用网络带宽，使培训更有效率。所述的转发逻辑就是根据该差异制定的音频、视频数据的转发路径，带宽分配方案，流量分配方案。
S430，核心节点32接收录播服务器33传输的培训数据，并根据所述转发逻辑选择节点转发所述培训数据。
具体地，所述核心节点32可为多点控制单元(Multi Control Unit，简称MCU)，用于对录播服务器33传输的培训数据进行处理，所述培训数据为音频、视频数据，所述的多点控制单元用于完成对所述音频、视频数据的路由、转发及处理。例如，MCU将培训数据的信息流经过同步分离后，抽取出音频、视频、数据、信令等各种信息，并将信息送入相应信息处理模块，完成相应信息的处理，比如：音频的混合或切换、视频信息的混合或切换，数据信息的广播和路由、定时和信令控制等。最后将处理后的音频、视频、数据和信令等重新组合起来送往各个相应的节点。
具体地，核心节点32接收所述转发逻辑，并根据所述转发逻辑选择二级节点34。例如，二级节点34被设置成不同区域的区域推送节点，当转发逻辑中选择特定区域传送培训数据时，核心节点将所述培训数据推送到特定节点。
S440，二级节点34接收所述核心节点32传送的培训数据，根据所述转发逻辑将培训数据多播发送给所述受训终端35。
具体地，二级节点34可为MCU，当受训区域为多个时，二级节点34也为多个。
具体地，受训终端35数目可为多个，分布于不同的区域。受训终端35可为移动终端(如智能手机)、个人电脑，也包括教室培训终端。
第五实施方式
如图5所示，本申请第五实施方式提出的一种视频传输方法，该方法运用于前述的培训系统服务器架构，该方法包括以下步骤(请一并参阅图3)：
S500，控制中心30获取培训信息，根据所述培训信息生成所述节点控制表。
具体地，控制中心30根据受训终端35的数量、地址生成节点控制表，所述节点控制表中包括节点数据表、带宽分配表。受训终端35的数量、地址 信息通过互联网实时更新，控制中心30根据以上信息生成所述节点控制表，其中的节点数据表用于选择传输数据的节点，根据所述带宽分配表分配网络带宽。
S510控制中心30推送节点控制表。
具体地，控制中心30推送节点控制表，所述节点控制表中包括节点数据表、带宽分配表。其中的节点数据表用于选择传输数据的节点，根据所述带宽分配表分配网络带宽。
S520，管理网关31根据所述节点控制表生成音频、视频数据的转发逻辑及分配网络带宽。
具体地，管理网关31统一管理音频、视频数据的转发逻辑及分配网络带宽。例如，当网络培训地点分布在不同的省、市、区，不同地方因为不同的需求学对培训有所选择，因此每一次参加培训的受训终端35会有所差异，根据该差异制定不同的转发逻辑可以因时制宜，更好的利用网络带宽，使培训更有效率。所述的转发逻辑就是根据该差异制定的音频、视频数据的转发路径，带宽分配方案，流量分配方案。
S530，核心节点32接收录播服务器33传输的培训数据，并根据所述转发逻辑选择节点转发所述培训数据。
具体地，所述核心节点32可为多点控制单元(Multi Control Unit，简称MCU)，用于对录播服务器33传输的培训数据进行处理，所述培训数据为音频、视频数据，所述的多点控制单元用于完成对所述音频、视频数据的路由、转发及处理。例如，MCU将培训数据的信息流经过同步分离后，抽取出音频、视频、数据、信令等各种信息，并将信息送入相应信息处理模块，完成相应信息的处理，比如：音频的混合或切换、视频信息的混合或切换，数据信息的广播和路由、定时和信令控制等。最后将处理后的音频、视频、数据和信令等重新组合起来送往各个相应的节点。
具体地，核心节点32接收所述转发逻辑，并根据所述转发逻辑选择二级节点34。例如，二级节点34被设置成不同区域的区域推送节点，当转发逻辑中选择特定区域传送培训数据时，核心节点将所述培训数据推送到特定节点。
S540，二级节点34接收所述核心节点32传送的培训数据，根据所述转发逻辑将培训数据多播发送给所述受训终端35。
具体地，二级节点34可为MCU，当受训区域为多个时，二级节点34也为多个。
具体地，受训终端35数目可为多个，分布于不同的区域。受训终端35可为移动终端(如智能手机)、个人电脑，也包括教室培训终端。
S550，二级节点34接收所述培训数据后，将所述培训数据进行存储。
在一实施方式中，二级节点34用于接收所述转发逻辑及所述培训数据， 根据所述转发逻辑将培训数据发送给受训终端35，并将所述培训数据存储在设置于二级节点34的存储器上(图3中未示出)。将培训数据存储于存储器上的好处在于，受训终端235可对存储于存储器上的培训音频、视频进行点播或者下载，这样有助于培训效果的提高。网络培训可基于实时直播式的培训，也可以基于点播式的自学式培训，设置存储器可对于受训学员来说，意义重大。当然，在其他实施方式中，核心节点32上也可以设置存储器。
第六实施方式
如图6所示，本申请第六实施方式提出的一种视频传输方法，该方法运用于前述的培训系统服务器架构，该方法包括以下步骤(请一并参阅图3)：
S610，控制中心30推送节点控制表。
具体地，控制中心30推送节点控制表，所述节点控制表中包括节点数据表、带宽分配表。其中的节点数据表用于选择传输数据的节点，根据所述带宽分配表分配网络带宽。
S620，管理网关31根据所述节点控制表生成音频、视频数据的转发逻辑及分配网络带宽。
具体地，管理网关31统一管理音频、视频数据的转发逻辑及分配网络带宽。例如，当网络培训地点分布在不同的省、市、区，不同地方因为不同的需求学对培训有所选择，因此每一次参加培训的受训终端35会有所差异，根据该差异制定不同的转发逻辑可以因时制宜，更好的利用网络带宽，使培训更有效率。所述的转发逻辑就是根据该差异制定的音频、视频数据的转发路径，带宽分配方案，流量分配方案。
S630，核心节点32接收录播服务器33传输的培训数据，并根据所述转发逻辑选择节点转发所述培训数据。
具体地，所述核心节点32可为多点控制单元(Multi Control Unit，简称MCU)，用于对录播服务器33传输的培训数据进行处理，所述培训数据为音频、视频数据，所述的多点控制单元用于完成对所述音频、视频数据的路由、转发及处理。例如，MCU将培训数据的信息流经过同步分离后，抽取出音频、视频、数据、信令等各种信息，并将信息送入相应信息处理模块，完成相应信息的处理，比如：音频的混合或切换、视频信息的混合或切换，数据信息的广播和路由、定时和信令控制等。最后将处理后的音频、视频、数据和信令等重新组合起来送往各个相应的节点。
具体地，核心节点32接收所述转发逻辑，并根据所述转发逻辑选择二级节点34。例如，二级节点34被设置成不同区域的区域推送节点，当转发逻辑中选择特定区域传送培训数据时，核心节点将所述培训数据推送到特定节点。
S640，二级节点34接收所述核心节点32传送的培训数据，根据所述转 发逻辑将培训数据多播发送给所述受训终端35。
具体地，二级节点34可为MCU，当受训区域为多个时，二级节点34也为多个。
具体地，受训终端35数目可为多个，分布于不同的区域。受训终端35可为移动终端(如智能手机)、个人电脑，也包括教室培训终端。
S650，控制中心30选择示范受训终端，所述示范受训终端对应的二级节点34将示范受训终端的示范视频传送给核心节点32。
具体地，网络培训因为范围广、距离远、受众多，因此在进行培训时没有办法做到培训老师与培训学员面对面交流。然而，在教与学的过程中，难免会遇到这样那样的问题。当培训学员对培训老师的讲课产生疑问时，常常无法进行面对面的询问及交流。因此，在网络培训中设置示范受训终端就很有必要。
具体地，可以选择受训终端35中的任意一个或者多个为示范受训终端。
具体地，在一实施方式中，若需要选择示范点对培训进行示范演示，控制中心30可以选择一培训教室，通过其对应的二级节点34多点控制单元将该培训教室的视频传送至核心节点32多点控制单元。
S660，核心节点32将所述示范视频与所述培训数据进行融合、处理后转发给所述受训终端35。
具体地，核心节点32将从示范培训教室接收的示范音频、视频信息与从录播服务器接收的培训数据进行融合、处理后转发给各受训终端35，所有受训终端35接收到融合后的培训数据后都可以从直播中看到培训教学及互动信息。
第七实施方式
本领域技术人员可以理解实现上述实施例方法的全部或部分步骤是可以通过一个或多个程序指令相关的硬件来完成，所述一个或多个程序可存储于计算机可读存储介质中，所述一个或多个程序在执行时，实现如下步骤：
控制中心30推送节点控制表；
管理网关31根据所述节点控制表生成音频、视频数据的转发逻辑及分配网络带宽；
核心节点32接收录播服务器33传输的培训数据，并根据所述转发逻辑选择节点转发所述培训数据；
二级节点34接收所述核心节点32传送的培训数据，根据所述转发逻辑将培训数据多播发送给受训终端35。
进一步地，还可以实现步骤：
控制中心30获取培训信息，根据所述培训信息生成所述节点控制表。
进一步地，还可以实现步骤：
二级节点34接收所述培训数据后，将所述培训数据进行存储。
进一步地，还可以实现步骤：
控制中心30选择示范受训终端，所述示范受训终端对应的二级节点34将示范受训终端的示范视频传送给核心节点32；
核心节点32将所述示范视频与所述培训数据进行融合、处理后转发给所述受训终端35。
上述本申请实施方式序号仅仅为了描述，不代表实施方式的优劣。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施方式方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件来实现，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施方式所述的方法。
以上参照附图说明了本申请的优选实施方式，并非因此局限本申请的权利范围。上述本申请实施方式序号仅仅为了描述，不代表实施方式的优劣。另外，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
本领域技术人员不脱离本申请的范围和实质，可以有多种变型方案实现本申请，比如作为一个实施方式的特征可用于另一实施方式而得到又一实施方式。凡在运用本申请的技术构思之内所作的任何修改、等同替换和改进，均应在本申请的权利范围之内。

Claims (20)

  1. 一种培训系统服务器架构，其特征在于，该架构包括：
    控制中心，用于推送节点控制表；
    管理网关，连接于所述控制中心，用于根据节点控制表生成转发逻辑及分配网络带宽；
    核心节点，连接于所述管理网关及录播服务器，用于接收所述转发逻辑及所述录播服务器传输的培训数据，并根据所述转发逻辑转发所述培训数据；及
    二级节点，连接于所述核心节点，用于接收所述转发逻辑及所述培训数据，根据所述转发逻辑将培训数据发送给受训终端。
  2. 如权利要求1所述的培训系统服务器架构，其特征在于，所述控制中心包括中央控制器及数据库，所述中央控制器调用数据库中的数据生成所述节点控制表。
  3. 如权利要求2所述的培训系统服务器架构，其特征在于，所述节点控制表包括节点数据表和带宽分配表，其中，所述节点数据表用于选择传输所述培训数据的节点，所述带宽分配表用于分配网络带宽。
  4. 如权利要求2所述的培训系统服务器架构，其特征在于，所述核心节点及二级节点为多点控制单元，用于对录播服务器传输的培训数据进行处理。
  5. 如权利要求4所述的培训服务器架构，其特征在于，所述培训数据包括音频数据及视频数据。
  6. 如权利要求1所述的培训服务器架构，其特征在于，所述二级节点上还包括存储器，用于存储所述培训数据，所述的存储器为非易失性存储器。
  7. 一种视频数据传输方法，运用于培训服务器架构，所述培训服务器架构包括控制中心、管理网关、核心节点、二级节点、录播服务器及受训终端，其特征在于，所述方法包括以下步骤：
    所述控制中心推送节点控制表；
    所述管理网关根据所述节点控制表生成音频、视频数据的转发逻辑及分配网络带宽；
    所述核心节点接收录播服务器传输的培训数据，并根据所述转发逻辑选择节点转发所述培训数据；
    所述二级节点接收所述核心节点传送的培训数据，根据所述转发逻辑将培训数据多播发送给所述受训终端。
  8. 如权利要求7所述的视频数据传输方法，其特征在于，所述核心节点及二级节点为多点控制单元，用于对录播服务器传输的培训数据进行处理。
  9. 如权利要求7所述的视频数据传输方法，其特征在于，所述方法还包括以下步骤：
    控制中心获取培训信息，根据所述培训信息生成所述节点控制表。
  10. 如权利要求9所述的视频数据传输方法，其特征在于，所述培训信息包括受训终端的数量和地址。
  11. 如权利要求9所述的视频数据传输方法，其特征在于，所述节点控制表包括节点数据表和带宽分配表，其中，所述节点数据表用于选择传输所述培训数据的节点，所述带宽分配表用于分配网络带宽。
  12. 如权利要求9所述的视频数据传输方法，其特征在于，所述方法还包括以下步骤：
    二级节点接收所述培训数据后，将所述培训数据进行存储。
  13. 如权利要求12所述的视频数据传输方法，其特征在于，所述方法还包括以下步骤：
    控制中心选择示范受训终端，所述示范受训终端对应的二级节点将示范受训终端的示范视频传送给核心节点；
    核心节点将所述示范视频与所述培训数据进行融合、处理后转发给所述受训终端。
  14. 一种计算机可读存储介质，所述计算机可读存储介质存储有视频数据传输的程序，所述视频数据传输的程序运用于培训服务器架构，所述培训服务器架构包括控制中心、管理网关、核心节点、二级节点、录播服务器及受训终端，所述视频数据传输的程序可被至少一个处理器执行，以使所述至少一个处理器执行以下步骤：
    所述控制中心推送节点控制表；
    所述管理网关根据所述节点控制表生成音频、视频数据的转发逻辑及分配网络带宽；
    所述核心节点接收录播服务器传输的培训数据，并根据所述转发逻辑选择节点转发所述培训数据；
    所述二级节点接收所述核心节点传送的培训数据，根据所述转发逻辑将培训数据多播发送给所述受训终端。
  15. 如权利要求14所述的计算机可读存储介质，其特征在于，所述核心节点及二级节点为多点控制单元，用于对录播服务器传输的培训数据进行处理。
  16. 如权利要求14所述的计算机可读存储介质，其特征在于，所述至少一个处理器还执行以下步骤：
    控制中心获取培训信息，根据所述培训信息生成所述节点控制表。
  17. 如权利要求16所述的计算机可读存储介质，其特征在于，所述培训信息包括受训终端的数量和地址。
  18. 如权利要求16所述的计算机可读存储介质，其特征在于，所述节点控制表包括节点数据表和带宽分配表，其中，所述节点数据表用于选择传输所述培训数据的节点，所述带宽分配表用于分配网络带宽。
  19. 如权利要求16所述的计算机可读存储介质，其特征在于，所述至少一个处理器还执行以下步骤：
    二级节点接收所述培训数据后，将所述培训数据进行存储。
  20. 如权利要求19所述的计算机可读存储介质，其特征在于，所述至少 一个处理器还执行以下步骤：
    控制中心选择示范受训终端，所述示范受训终端对应的二级节点将示范受训终端的示范视频传送给核心节点；
    核心节点将所述示范视频与所述培训数据进行融合、处理后转发给所述受训终端。
PCT/CN2018/089199 2017-11-15 2018-05-31 培训系统服务器架构、基于该架构的视频数据传输方法及计算机存储介质 WO2019095663A1 (zh)

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