CN105100953B - A kind of method and system of video distribution - Google Patents

A kind of method and system of video distribution Download PDF

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CN105100953B
CN105100953B CN201410223677.1A CN201410223677A CN105100953B CN 105100953 B CN105100953 B CN 105100953B CN 201410223677 A CN201410223677 A CN 201410223677A CN 105100953 B CN105100953 B CN 105100953B
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video
scheduling
request
junior
distribution system
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CN105100953A (en
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解锦明
孙凯
谢柯
叶冬
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China Mobile Group Jiangsu Co Ltd
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China Mobile Group Jiangsu Co Ltd
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Abstract

The embodiment of the invention discloses a kind of methods of video distribution, and this method is in higher level's video distribution system, comprising: receive video and send request, send the first scheduling strategy of request and the first scheduling address according to the video；According to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior's video distribution system in address and sends audio video synchronization request；The embodiment of the invention also discloses a kind of methods of video distribution, and this method is in junior's video distribution system, comprising: audio video synchronization request are received, according to second scheduling strategy of audio video synchronization request and the second scheduling address；When determining that the audio video synchronization request is legal according to second scheduling strategy, Xiang Suoshu second dispatches the corresponding higher level's video distribution system in address and sends audio video synchronization response；The embodiment of the present invention also discloses a kind of system of video distribution simultaneously.

Description

A kind of method and system of video distribution
Technical field
The present invention relates to a kind of method of video distribution technology more particularly to video distribution in field of data service and it is System.
Background technique
With continuous universal, the internet of internet communication, the continuous development of multimedia technology and China's broadband network Multimedia video business rapid rising, and have become the main direction of development of family's Internet service.Video distribution system is structure The core component for building internet multimedia video traffic platform, be mainly responsible for multimedia video business distribution, storage with And service.
The networking mode of video distribution system includes: single-point deployment and distribution deployment.With internet multimedia video industry The development of business, it is more universal with the multistage deployment being distributed in deployment.
When carrying out multistage deployment, the framework of video distribution system mainly include Broadcast Control platform, higher level's video distribution system, And junior's video distribution system；Wherein, the Broadcast Control platform is mainly used for obtaining the operation licence plate of multimedia video content, place Manage and issue video content；Higher level's video distribution system is mainly used for storing video content, and as needed for junior's video point Hair system provides certification and service；Junior's video distribution system is mainly used for being divided according to the scale of user and the demand of service Cloth deployment.Specific workflow are as follows: Broadcast Control platform sends higher level's video distribution system for video content first, then by higher level Video distribution system injects video content to junior's video distribution system, and junior's video distribution system is from higher level's video distribution system Video content is obtained to push away to complete the pre- of video content；When acquisition video content request from the user hits video distribution system When, the acquisition video content request is redirected to junior's video by higher level's resource scheduling system in higher level's video distribution system Junior's resource scheduling system in dissemination system, it is personal in the future further according to the corresponding lower service node of address choice of terminal The acquisition video content request at family is redirected to the local scheduling system of lower service node, by under junior's video distribution system After grade service node carries out door chain inspection, service is provided for user；If the video content of user's request is in lower service section Point miss is just played from junior's video content center edge downloading side；If the video content of user's request is in junior's video Appearance center miss is just played from higher level's video distribution system in downloading.
During carrying out distributed deployment, Broadcast Control platform to junior's video distribution system send video content when, It has following defects that
(1) it needs to realize institute between higher level's video distribution system and the operation management node of junior's video distribution system The management request of video content and the management result request of managing response and video content and management result response are stated, is realized The numerous and jumbled and ununified realization standard of rule；
(2) it needs to realize the video between the operation management node and video content center of junior's video distribution system The management request of content and the management result request of managing response and video content and management result response, implementation rule are huge Miscellaneous and ununified realization standard；
(3) it needs to realize the video content between the operation management node and service node of junior's video distribution system Management request and managing response and video content the request of management result and management result response, implementation rule it is numerous and jumbled and Ununified realization standard；
(4) it needs to realize video content between the video content central node and service node of junior's video distribution system Obtain and publish, implementation rule is more numerous and more jumbled, and higher level's video distribution system and junior's video distribution system are usually different Structure realizes, ununified signaling Transfer Standards and video content distribution criteria between the two.
(5) whether higher level's resource scheduling system detection junior's resource scheduling system in higher level's video distribution system is normal When working, and collecting the information of junior's video distribution system, need to realize junior's video content center and lower service node point Other superior resource scheduling system reports local the case where loading, and need to realize in higher level's resource scheduling system inquiry junior's video The case where appearance center and local load of lower service node and current service, the numerous and jumbled and ununified realization mark of implementation rule It is quasi-.
Summary of the invention
In view of this, can be effectively realized an embodiment of the present invention is intended to provide a kind of method and system of video distribution The pre- of video content pushes away and distributes, and further the connection for realization classification isomery video distribution system provides guarantee.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The embodiment of the present invention provides a kind of method of video distribution, and this method is in higher level's video distribution system, comprising: It receives video and sends request, the first scheduling strategy of request and the first scheduling address are sent according to the video；According to described First scheduling strategy, Xiang Suoshu first dispatch the corresponding junior's video distribution system in address and send audio video synchronization request.
Preferably, after the reception video sends request, the method also includes: it stores the video and sends in request Video content.
Preferably, described that the first scheduling strategy of request and the first scheduling address are sent according to video, comprising: according to institute State control field the first distribution request of generation that video sends request；Described first point is sent to scheduling of resource and access controller With request；Receive the first assignment response that the scheduling of resource and access controller are sent, first assignment response include with The video sends corresponding first scheduling strategy of control field and the first scheduling address of request.
Preferably, described to request it to the corresponding junior's video distribution system transmission audio video synchronization in the first scheduling address Afterwards, the method also includes: receive junior's video distribution system send audio video synchronization response；The video is sent in request Video content be synchronized to junior's video distribution system.
Preferably, the video content by video transmission request is synchronized to junior's video distribution system, comprising: receives The first video that junior's video distribution system is sent pulls down request；It is pulled down and is requested according to first video, by the storage Video content is pulled down to junior's video distribution system；The drop-down response of the first video is sent to junior's video distribution system.
Preferably, the method also includes: receive junior's video distribution system send the second video pull down request；By institute It states the drop-down request of the second video and is redirected to higher level's video distribution system；Higher level's video distribution system is according to white list When mode determines that the second video drop-down request is legal, corresponding video content is requested to be pulled down to second video drop-down Junior's video distribution system；The drop-down response of the second video is sent to junior's video distribution system.
The embodiment of the present invention also provides a kind of method of video distribution, and this method is for wrapping in junior's video distribution system It includes: receiving audio video synchronization request, according to second scheduling strategy of audio video synchronization request and the second scheduling address；According to institute When stating the second scheduling strategy and determining that audio video synchronization request is legal, Xiang Suoshu second dispatches the corresponding higher level's video distribution in address System sends audio video synchronization response.
Preferably, described according to the second scheduling strategy of audio video synchronization request and the second scheduling address, comprising: according to institute The control field for stating audio video synchronization request generates the second distribution request；Described second point is sent to scheduling of resource and access controller With request；Receive the second assignment response that the scheduling of resource and access controller are sent, second assignment response include with Corresponding second scheduling strategy of control field of the audio video synchronization request and the second scheduling address.
Preferably, described to determine that the audio video synchronization request is legal according to the second scheduling strategy, comprising: to be adjusted described second The control field requested with the audio video synchronization of control field of degree strategy matches, and when successful match determines the audio video synchronization It is legal to request.
Preferably, described to respond it to the corresponding higher level's video distribution system transmission audio video synchronization in the second scheduling address Afterwards, the method also includes: superior video distribution systems to send the drop-down request of the first video；Store higher level's video distribution The video content of subsystem pull-down；Receive the first video drop-down response that higher level's video distribution system is sent.
Preferably, pass through terminal the method also includes: user to initiate to obtain video content request；The terminal is according to institute State the control field generation third distribution request for obtaining video content request；Described the is sent to scheduling of resource and access controller Three distribution requests；Receive the third assignment response of the scheduling of resource and access controller transmission, the third assignment response packet Include third scheduling strategy corresponding with the acquisition control field of video content request and third scheduling address；The terminal root According to the third scheduling strategy, the acquisition video content request is redirected to the corresponding junior in third scheduling address and is regarded Frequency dissemination system.
Preferably, the video content request that will acquire is redirected to the third scheduling corresponding junior's video distribution in address system System, comprising: when the acquisition video content request is successfully redirected to the corresponding junior's video distribution in third scheduling address When system, junior's video distribution system provides a user video content corresponding with the acquisition video content request.
Preferably, the video content request that will acquire is redirected to the third scheduling corresponding junior's video distribution in address system System, comprising: when the acquisition video content request is redirected to the corresponding junior's video point in third scheduling address not successfully When hair system, junior's video distribution system generates the 4th distribution according to the control field for obtaining video content request and asks It asks；The 4th distribution request is sent to the scheduling of resource and access controller；Receive the scheduling of resource and access control The 4th assignment response that device is sent, the 4th assignment response includes corresponding with the acquisition control field of video content request The 4th scheduling strategy and the 4th scheduling address.
Preferably, the method also includes: junior's video distribution system is according to the 4th scheduling strategy, Xiang Suoshu The corresponding higher level's video distribution system in 4th scheduling address sends the drop-down request of the second video；Store higher level's video distribution system The video content of system drop-down；Receive the second video drop-down response that higher level's video distribution system is sent, provide a user with The corresponding video content of the acquisition video content request.
The embodiment of the present invention also provides a kind of method of video distribution, which comprises is regarded according to above-mentioned for higher level The method of video distribution in frequency dissemination system carries out video distribution；According to the above-mentioned video in junior's video distribution system The method of distribution carries out video distribution.
The embodiment of the present invention also provides a kind of higher level's video distribution system, the system comprises: higher level's receiving module and Higher level's scheduling of resource module；Wherein,
Higher level's receiving module sends request for receiving video；
Higher level's scheduling of resource module is adjusted for sending the first scheduling strategy of request and first according to the video Spend address；According to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior's video distribution system in address and sends video Synchronization request.
Preferably, the system also includes higher level media services modules；Wherein, higher level's media services module, is used for It stores the video and sends the video content in requesting.
Preferably, higher level's scheduling of resource module, specifically for sending the control field life of request according to the video At the first distribution request, first distribution request is sent to scheduling of resource and access controller, and receive the scheduling of resource The first assignment response sent with access controller.
Preferably, higher level's scheduling of resource module is also used to receive the audio video synchronization of junior's video distribution system transmission The video is sent the video content in request and is synchronized to junior's video distribution system by response.
Preferably, higher level's scheduling of resource module, the first view sent specifically for receiving junior's video distribution system Frequency drop-down request, pulls down according to first video and requests, by higher level's media services module by the video of the storage Content is pulled down to junior's video distribution system, and sends the drop-down response of the first video to junior's video distribution system.
Preferably, higher level's scheduling of resource module is also used to receive the second video of junior's video distribution system transmission Second video drop-down request is redirected to higher level's media services module by drop-down request, and to junior's video Dissemination system sends the drop-down response of the second video；
Higher level's media services module, specifically for determining that the second video drop-down request is closed according to white list mode When method, corresponding video content is requested to be pulled down to junior's video distribution system second video drop-down.
The embodiment of the present invention also provides a kind of junior's video distribution system, the system comprises: junior's receiving module and Junior's scheduling of resource module；Wherein,
Junior's receiving module, for receiving audio video synchronization request；
Junior's scheduling of resource module, for being adjusted according to second scheduling strategy of audio video synchronization request and second Address is spent, when determining that the audio video synchronization request is legal according to second scheduling strategy, it is corresponding that Xiang Suoshu second dispatches address Higher level's video distribution system send audio video synchronization response.
Preferably, junior's scheduling of resource module, specifically for the control field life requested according to the audio video synchronization At the second distribution request, send second distribution request to scheduling of resource and access controller, receive the scheduling of resource and The second assignment response that access controller is sent requests the control field of second scheduling strategy and the audio video synchronization Control field matches, and when successful match determines that the audio video synchronization request is legal.
Preferably, junior's scheduling of resource module is also used to superior video distribution system and sends the drop-down of the first video Request receives the first video drop-down response that higher level's video distribution system is sent；
Junior's video distribution system further include: junior's media services module；Wherein, junior's media services mould Block, for storing the video content of higher level's video distribution system drop-down.
Preferably, junior's video distribution system further include: judgment module；Wherein, the judgment module, for judging Whether the acquisition video content request that user is initiated by terminal is successfully redirected to junior's scheduling of resource module；
Junior's scheduling of resource module, specifically for when the acquisition video content request be successfully redirected to it is described under When grade scheduling of resource module, provided a user by junior's media services module corresponding with the acquisition video content request Video content.
Preferably, junior's scheduling of resource module, specifically for being reset not successfully when the acquisition video content request When to junior's scheduling of resource module, the 4th distribution is generated according to the control field for obtaining video content request and is asked It asks, Xiang Suoshu scheduling of resource and access controller send the 4th distribution request；Receive the scheduling of resource and access control The 4th assignment response that device is sent, the 4th assignment response includes corresponding with the acquisition control field of video content request The 4th scheduling strategy and the 4th scheduling address；According to the 4th scheduling strategy, Xiang Suoshu the 4th dispatch address it is corresponding on Grade video distribution system sends the drop-down request of the second video, receives the second video drop-down that higher level's video distribution system is sent Response；
Junior's media services module, specifically for storing the video content of higher level's video distribution system drop-down, And provide a user video content corresponding with the acquisition video content request.
The embodiment of the present invention also provides a kind of video distribution system, and the video distribution system includes: higher level's video distribution Subsystem, junior's video distribution subsystem and scheduling of resource and access controller；Wherein,
Higher level's video distribution subsystem sends request for receiving video, sends request according to the video First scheduling strategy and the first scheduling address；According to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior in address Video distribution system sends audio video synchronization request；
Junior's video distribution subsystem, for receiving audio video synchronization request, according to the audio video synchronization request Second scheduling strategy and the second scheduling address；When determining that the audio video synchronization request is legal according to second scheduling strategy, to The corresponding higher level's video distribution system in second scheduling address sends audio video synchronization response；
The scheduling of resource and access controller, for formulating scheduling strategy and scheduling address.
Preferably, higher level's video distribution subsystem is above-described higher level's video distribution system；Junior's view Frequency distribution subsystem is above-described junior's video distribution system.
The method and system of video distribution provided in an embodiment of the present invention, higher level's video distribution system receive Broadcast Control platform hair The video that send sends request, according to the video send request to scheduling of resource and access controller obtain the first scheduling strategy and First scheduling address；According to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior's video distribution system hair in address Audio video synchronization is sent to request；Junior's video distribution system receives the audio video synchronization request that higher level's video distribution system is sent, root It requests to obtain the second scheduling strategy and the second scheduling address to scheduling of resource and access controller according to the audio video synchronization, according to institute When stating the second scheduling strategy and determining that audio video synchronization request is legal, Xiang Suoshu second dispatches the corresponding higher level's video distribution in address System sends audio video synchronization response；So, it is possible based on higher level's video distribution system and junior's video distribution system respectively with institute The interaction of scheduling of resource and access controller is stated, realizes scheduling of resource and access controller and higher level's video distribution system and junior Video distribution system is bi-directionally connected；The scheduling strategy and scheduling address energy formulated by the scheduling of resource and access controller Enough realize that the pre- of video content pushes away and distribute, and is substituted with this and existing is tired of in multiple, ununified signaling Transfer Standards and video Hold the video distribution mode of distribution criteria, further the connection for realization classification isomery video distribution system provides guarantee.
Detailed description of the invention
Fig. 1 is the implementation process schematic diagram of the embodiment of the method one of video distribution of the present invention；
Fig. 2 is the implementation process schematic diagram of the embodiment of the method two of video distribution of the present invention；
Fig. 3 is the implementation process schematic diagram of the embodiment of the method three of video distribution of the present invention；
Fig. 4 is the composed structure schematic diagram of higher level's video distribution system embodiment of the present invention；
Fig. 5 is the composed structure schematic diagram of junior's video distribution system embodiment of the present invention；
Fig. 6 is the composed structure schematic diagram of video distribution system embodiment of the present invention.
Specific embodiment
In the embodiment of the present invention, higher level's video distribution system receives the video that Broadcast Control platform is sent and sends request, according to institute It states video and sends request to scheduling of resource and access controller the first scheduling strategy of acquisition and the first scheduling address；According to described One scheduling strategy, Xiang Suoshu first dispatch the corresponding junior's video distribution system in address and send audio video synchronization request；The junior Video distribution system receives the audio video synchronization request that higher level's video distribution system is sent, and is requested according to the audio video synchronization to resource Scheduling and access controller obtain the second scheduling strategy and the second scheduling address, determine the view according to second scheduling strategy When frequency synchronization request is legal, Xiang Suoshu second dispatches the corresponding higher level's video distribution system in address and sends audio video synchronization response.
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
The embodiment of the present invention provides a kind of method of video distribution, and this method is used in higher level's video distribution system, such as Fig. 1 Shown, Fig. 1 is the implementation process schematic diagram of the embodiment of the method one of video distribution of the present invention, be the described method comprises the following steps:
Step 101: receiving video and send request, the first scheduling strategy of request and first is sent according to the video and is adjusted Spend address；
In this step, higher level's video distribution system receives the video that Broadcast Control platform is sent and sends request, and will be described The video content that video is sent in request stores higher level's media services module into higher level's video distribution system.
Optionally, higher level's scheduling of resource module in higher level's video distribution system sends request according to the video Control field generates the first distribution request, sends first distribution request, request to scheduling of resource and access controller The first scheduling strategy corresponding with the control field that the video sends request and the first scheduling address, later, higher level's view The first assignment response that higher level's scheduling of resource module in frequency dissemination system receives the scheduling of resource and access controller is sent；
Optionally, first assignment response may include that the control field corresponding first of request is sent with the video Scheduling strategy and the first scheduling address.
Step 102: according to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior's video distribution system in address Send audio video synchronization request；
In this step, higher level's scheduling of resource module in higher level's video distribution system is according to the scheduling of resource and visit Ask that the first scheduling strategy in the first assignment response of controller transmission, Xiang Suoshu first dispatch the corresponding junior's video point in address Junior's scheduling of resource module in hair system sends audio video synchronization request.
Optionally, higher level's resource tune after sending the audio video synchronization request, in higher level's video distribution system It spends module and receives the audio video synchronization response that junior's scheduling of resource module in junior's video distribution system is sent, and by the higher level The video content that the video stored in media services module is sent in request is synchronized to junior's video distribution system.
Optionally, higher level's scheduling of resource module in higher level's video distribution system receives in junior's video distribution system Junior's scheduling of resource module send the first video pull down request；Higher level's scheduling of resource module is according to first video Drop-down request, under the video content of the storage is pulled down in junior's video distribution system by higher level's media services module Grade media services module, and junior's scheduling of resource module into junior's video distribution system sends and sounds under the first video It answers, the synchronizing process of higher level's video distribution system and junior's video distribution system associated video content is realized with this.
Optionally, user can initiate to obtain video content request by terminal, and terminal is by will be in the acquisition video Hold junior's scheduling of resource module that request is redirected in junior's video distribution system, can provide a user and be regarded with the acquisition The corresponding video content of frequency content requests.
Wherein, when the acquisition video content request is successfully redirected to junior's resource tune in junior's video distribution system When spending module, provided a user in video corresponding with the acquisition video content request by junior's media services module Hold；
When the acquisition video content request is redirected to junior's scheduling of resource in junior's video distribution system not successfully When module, higher level's scheduling of resource module receives second that junior's scheduling of resource module in junior's video distribution system is sent Video drop-down request, and second video drop-down request is redirected to higher level's media services module；
Higher level's media services module does not check door chain, determines that the second video drop-down is asked according to white list mode When asking legal, under requesting corresponding video content to be pulled down in junior's video distribution system second video drop-down Grade media services module, later, junior resource tune of the higher level's scheduling of resource module into junior's video distribution system It spends module and sends the drop-down response of the second video.
The embodiment of the present invention provides a kind of method of video distribution, and this method is used in junior's video distribution system, such as Fig. 2 Shown, Fig. 2 is the implementation process schematic diagram of the embodiment of the method two of video distribution of the present invention, be the described method comprises the following steps:
Step 201: receiving audio video synchronization request, adjusted according to second scheduling strategy of audio video synchronization request and second Spend address；
In this step, junior's scheduling of resource module in junior's video distribution system receives higher level's video distribution system In the audio video synchronization request that sends of higher level's scheduling of resource module, and generate the according to the control field of audio video synchronization request Two distribution requests send second distribution request, request and the audio video synchronization to scheduling of resource and access controller Corresponding second scheduling strategy of the control field of request and the second scheduling address, and receive the scheduling of resource and access controller The second assignment response sent；
Optionally, second assignment response may include and the control field corresponding second of audio video synchronization request Scheduling strategy and the second scheduling address.
Step 202: when determining that the audio video synchronization request is legal according to second scheduling strategy, Xiang Suoshu second is dispatched The corresponding higher level's video distribution system in address sends audio video synchronization response；
In this step, junior's scheduling of resource module is by the control of the second scheduling strategy in second assignment response The control field that field is requested with the audio video synchronization matches, and when successful match determines that the audio video synchronization request is legal；When When junior's scheduling of resource module determines that audio video synchronization request is legal, junior's scheduling of resource module is to described second It dispatches the corresponding higher level's video distribution system in address and sends audio video synchronization response.
Optionally, when junior's scheduling of resource module determines that the audio video synchronization request is illegal, junior's money Source scheduler module abandons the audio video synchronization request, ends processing process.
After sending the audio video synchronization response, in junior's scheduling of resource module superior video distribution system Higher level's scheduling of resource module sends the drop-down request of the first video, and the video content of higher level's media services module drop-down is stored To junior's media services module in junior's video distribution system, and receive that higher level's scheduling of resource module sends the The drop-down response of one video.
In this step, after the synchronization for completing video, user can initiate to obtain video content request, institute by terminal It states terminal and third distribution request is generated according to the control field for obtaining video content request, to scheduling of resource and access control Device sends the third distribution request, request third scheduling corresponding with the acquisition control field of video content request Strategy and third dispatch address, and receive the third assignment response of the scheduling of resource and access controller transmission；
Optionally, the third assignment response may include corresponding with the acquisition control field of video content request Third scheduling strategy and third dispatch address.
Optionally, the terminal resets the acquisition video content request according to the third scheduling strategy of acquisition To junior's scheduling of resource module into the corresponding junior's video distribution system in third scheduling address；
If the acquisition video content request is successfully redirected to the corresponding junior's video point in third scheduling address Junior's scheduling of resource module in hair system, then junior's scheduling of resource module in junior's video distribution system passes through junior Media services module provides a user video content corresponding with the acquisition video content request, junior's media services mould Block provides a user video content corresponding with the acquisition video content request after carrying out door chain inspection；
If the acquisition video content request is redirected to the corresponding junior's video in third scheduling address not successfully Junior's scheduling of resource module in dissemination system, then junior's scheduling of resource module in junior's video distribution system is according to institute Control field the 4th distribution request of generation for obtaining video content request is stated, Xiang Suoshu scheduling of resource and access controller send institute State the 4th distribution request, request the 4th scheduling strategy corresponding with the acquisition control field of video content request and Four scheduling addresses, and receive the 4th assignment response of the scheduling of resource and access controller transmission；
Optionally, the 4th assignment response may include corresponding with the acquisition control field of video content request 4th scheduling strategy and the 4th scheduling address；
Junior's scheduling of resource module in junior's video distribution system is according to the 4th in the 4th assignment response Scheduling strategy, higher level's scheduling of resource module that Xiang Suoshu the 4th is dispatched in the corresponding higher level's video distribution system in address send second Video drop-down request；Later, the video content that higher level's media services module pulls down is stored to junior's video distribution Junior's media services module in system, and the second video drop-down response that higher level's scheduling of resource module is sent is received, lead to It crosses junior's media services module and provides a user video content corresponding with the acquisition video content request.
The embodiment of the present invention provides a kind of method of video distribution, as shown in figure 3, Fig. 3 is the side of video distribution of the present invention The implementation process schematic diagram of method embodiment three, the described method comprises the following steps:
Step 301: Broadcast Control platform superior video distribution system sends video and sends request；
In this step, Broadcast Control platform sends video by superior video distribution system and sends request, and request regards correlation Frequency content is sent to higher level's video distribution system.
Step 302: higher level's video distribution system receives the video and sends request, sends request according to the video First scheduling strategy and the first scheduling address；
In this step, higher level's video distribution system receives the video that the Broadcast Control platform is sent and sends request, and will The video content that the video is sent in request stores higher level's media services module into higher level's video distribution system.Institute The higher level's scheduling of resource module stated in higher level's video distribution system generates first according to the control field that the video sends request Distribution request sends first distribution request to scheduling of resource and access controller, and request is asked with video transmission Corresponding first scheduling strategy of the control field asked and the first scheduling address；Later, upper in higher level's video distribution system The first assignment response that grade scheduling of resource module receives the scheduling of resource and access controller is sent；
Optionally, first assignment response may include that the control field corresponding first of request is sent with the video Scheduling strategy and the first scheduling address.
Step 303: according to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior's video distribution system in address Send audio video synchronization request；
Optionally, higher level's scheduling of resource module in higher level's video distribution system is according to the scheduling of resource and access The first scheduling strategy in the first assignment response that controller is sent, Xiang Suoshu first dispatch the corresponding junior's video distribution in address Junior's scheduling of resource module in system sends audio video synchronization request.
Step 304: junior's video distribution system receives the audio video synchronization request, according to the audio video synchronization request Second scheduling strategy and the second scheduling address；
In this step, junior's scheduling of resource module in junior's video distribution system receives the audio video synchronization and asks It asks, the second distribution request is generated according to the control field of audio video synchronization request, is sent to scheduling of resource and access controller Second distribution request, request the second scheduling strategy corresponding with the control field that the audio video synchronization is requested and second Address is dispatched, and receives the second assignment response of the scheduling of resource and access controller transmission；
Optionally, second assignment response may include and the control field corresponding second of audio video synchronization request Scheduling strategy and the second scheduling address.
Step 305: junior's video distribution system determines that the audio video synchronization request is legal according to second scheduling strategy When, Xiang Suoshu second dispatches the corresponding higher level's video distribution system in address and sends audio video synchronization response；
In this step, junior's scheduling of resource module is by the control of the second scheduling strategy in second assignment response The control field that field is requested with the audio video synchronization matches, and when successful match determines that the audio video synchronization request is legal, this When, junior's scheduling of resource module sends audio video synchronization to the corresponding higher level's video distribution system in second scheduling address and rings It answers.
Optionally, when junior's scheduling of resource module determines that the audio video synchronization request is illegal, junior's money Source scheduler module abandons the audio video synchronization request, ends processing process.
Step 306: higher level's video distribution system receive junior's video distribution system send audio video synchronization response after, Video is sent into the video content in request and is synchronized to junior's video distribution system；
In this step, higher level's scheduling of resource module in higher level's video distribution system is receiving junior's video distribution system After the audio video synchronization response that system is sent, the first view that junior's scheduling of resource module in junior's video distribution system is sent is received Frequency drop-down request；Higher level's scheduling of resource module is pulled down according to first video and is requested, and passes through higher level's media services module The video content of the storage is pulled down to junior's media services module in junior's video distribution system, and is regarded to the junior Junior's scheduling of resource module in frequency dissemination system sends the drop-down response of the first video, with this realize higher level's video distribution system and The synchronizing process of junior's video distribution system associated video content.
Step 307~step 308: user initiates to obtain video content request by terminal, terminal according to the request, to Scheduling of resource and access controller obtain third scheduling strategy and third dispatches address；
In this step, the terminal generates third distribution request according to the control field for obtaining video content request, The third distribution request, request and the control for obtaining video content request are sent to scheduling of resource and access controller The corresponding third scheduling strategy of field processed and third dispatch address, and receive the scheduling of resource and access controller is sent the Three assignment responses；
Optionally, the third assignment response may include corresponding with the acquisition control field of video content request Third scheduling strategy and third dispatch address.
Step 309: the acquisition video content request is redirected to by terminal according to the third scheduling strategy of acquisition The corresponding junior's video distribution system in third scheduling address；
Optionally, if the acquisition video content request is successfully redirected to the corresponding junior in third scheduling address Junior's scheduling of resource module in video distribution system, then junior's scheduling of resource module in junior's video distribution system is logical It crosses junior's media services module and provides a user video content corresponding with the acquisition video content request；
Optionally, if the acquisition video content request be redirected to not successfully third scheduling address it is corresponding under Junior's scheduling of resource module in grade video distribution system, then junior's scheduling of resource module in junior's video distribution system The 4th distribution request, Xiang Suoshu scheduling of resource and access controller are generated according to the control field for obtaining video content request The 4th distribution request is sent, request the 4th scheduling strategy corresponding with the acquisition video content request and the 4th adjust Address is spent, and receives the 4th assignment response of the scheduling of resource and access controller transmission；
Optionally, the 4th assignment response may include corresponding with the acquisition control field of video content request 4th scheduling strategy and the 4th scheduling address.
Junior's scheduling of resource module is adjusted according to the 4th scheduling strategy in the 4th assignment response, Xiang Suoshu the 4th The higher level's scheduling of resource module spent in the corresponding higher level's video distribution system in address sends the drop-down request of the second video；Later, institute It states higher level's scheduling of resource module and receives the second video drop-down that junior's scheduling of resource module in junior's video distribution system is sent Request, and second video drop-down request is redirected to higher level's media services module；Higher level's media services mould Block does not check door chain, will be under second video when determining that the second video drop-down request is legal according to white list mode It draws and corresponding video content is requested to be pulled down to junior's media services module；Junior's media services module is by the higher level The video content of media services module drop-down is stored, and is received under the second video that higher level's scheduling of resource module is sent It sounds and answers.
Step 310: junior's media services module provides a user view corresponding with the acquisition video content request Frequency content.
The embodiment of the present invention provides a kind of higher level's video distribution system, as shown in figure 4, Fig. 4 is higher level's video of the present invention point The composed structure schematic diagram for sending out system embodiment, the system comprises: higher level's receiving module 41 and higher level's scheduling of resource module 42；Wherein,
Higher level's receiving module 41 sends request for receiving video；
Optionally, higher level's receiving module 41, the video for receiving the transmission of Broadcast Control platform send request.
Higher level's scheduling of resource module 42, for sending the first scheduling strategy of request and first according to the video Dispatch address；According to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior's video distribution system in address and sends view Frequency synchronization request；
Optionally, the system also includes higher level's media services modules 43；Wherein, higher level's media services module 43, The video content in requesting is sent for storing the video.
Optionally, higher level's scheduling of resource module 42, the control field for sending request according to the video generate First distribution request sends first distribution request to scheduling of resource and access controller, and request and the video are sent out It send corresponding first scheduling strategy of the control field of request and first to dispatch address, and receives the scheduling of resource and access control The first assignment response that device is sent.
Higher level's scheduling of resource module 42 is also used to receive the audio video synchronization response of junior's video distribution system transmission, The video is sent into the video content in request and is synchronized to junior's video distribution system；
Wherein, higher level's scheduling of resource module 42, the first view sent specifically for receiving junior's video distribution system Frequency drop-down request, pulls down according to first video and requests, by higher level's media services module 43 by the view of the storage Frequency content is pulled down to junior's video distribution system, and sends the drop-down response of the first video to junior's video distribution system；
Higher level's scheduling of resource module 42, the second video drop-down for being also used to receive the transmission of junior's video distribution system are asked It asks, second video drop-down request is redirected to higher level's media services module 43, and to junior's video distribution System sends the drop-down response of the second video；
Higher level's media services module 43, specifically for determining the second video drop-down request according to white list mode When legal, corresponding video content is requested to be pulled down to junior's video distribution system second video drop-down.
Optionally, higher level's video distribution system further include: higher level's service management module 44；Wherein, higher level's industry Business management module 44, for statisticalling analyze and managing the video content information and user information.
The embodiment of the present invention provides a kind of junior's video distribution system, as shown in figure 5, Fig. 5 is junior's video of the present invention point The composed structure schematic diagram for sending out system embodiment, the system comprises: junior's receiving module 51 and junior's scheduling of resource module 52；Wherein,
Junior's receiving module 51, for receiving audio video synchronization request；
Optionally, junior's receiving module 51, for receiving higher level's scheduling of resource mould in higher level's video distribution system The audio video synchronization request that block 42 is sent.
Junior's scheduling of resource module 52, for according to second scheduling strategy of audio video synchronization request and second Address is dispatched, when determining that the audio video synchronization request is legal according to second scheduling strategy, Xiang Suoshu second dispatches address pair The higher level's video distribution system answered sends audio video synchronization response；
Optionally, junior's scheduling of resource module 52, the control field for being requested according to the audio video synchronization generate Second distribution request sends second distribution request to scheduling of resource and access controller, and request and the video are same Corresponding second scheduling strategy of control field and the second scheduling address of request are walked, and receives the scheduling of resource and access control The second assignment response that device is sent, the control field of the second scheduling strategy in second assignment response and the video is same The control field of step request matches, and when successful match determines that the audio video synchronization request is legal.
Junior's scheduling of resource module 52 is also used to superior video distribution system and sends the drop-down request of the first video, And receive the first video drop-down response that higher level's video distribution system is sent；
Optionally, junior's video distribution system further include: junior's media services module 53；Wherein, the junior matchmaker Body service module 53, for storing the video content of higher level's video distribution system drop-down.
Optionally, junior's video distribution system further include: judgment module 54；Wherein, the judgment module 54, is used for Judge whether the acquisition video content request that user is initiated by terminal is successfully redirected to junior's scheduling of resource module 52；
Optionally, junior's scheduling of resource module 52, specifically for successfully being reset when the acquisition video content request When to junior's scheduling of resource module 52, provided a user by junior's media services module 53 and acquisitions view The corresponding video content of frequency content requests；
Optionally, junior's scheduling of resource module 52, specifically for being weighed not successfully when the acquisition video content request When being directed to junior's scheduling of resource module 52, the 4th distribution is generated according to the control field for obtaining video content request It requests, Xiang Suoshu scheduling of resource and access controller transmission the 4th distribution request, in request and the acquisition video Hold corresponding 4th scheduling strategy of control field and the 4th scheduling address of request, and receives the scheduling of resource and access control The 4th assignment response that device is sent, the 4th assignment response includes corresponding with the acquisition control field of video content request The 4th scheduling strategy and the 4th scheduling address；According to the 4th scheduling strategy, Xiang Suoshu the 4th dispatch address it is corresponding on Grade video distribution system sends the drop-down request of the second video, and receives under the second video that higher level's video distribution system is sent It sounds and answers；
Junior's media services module 53, specifically for storing in the video that higher level's video distribution system pulls down Hold, and provides a user video content corresponding with the acquisition video content request.
Optionally, junior's video distribution system further include: junior's service management module 55；Wherein, junior's industry Business management module 55, for statisticalling analyze and managing the video content information and user information.
The embodiment of the present invention provides a kind of video distribution system, as shown in fig. 6, Fig. 6 is that video distribution system of the present invention is real The composed structure schematic diagram for applying example, the system comprises: higher level's video distribution subsystem 62, junior's video distribution subsystem 63, And scheduling of resource and access controller 64；Wherein,
Higher level's video distribution subsystem 62 sends request for receiving video, sends request according to the video and obtain The first scheduling strategy and first is taken to dispatch address；According to first scheduling strategy, under the scheduling of Xiang Suoshu first address is corresponding Grade video distribution system sends audio video synchronization request；
Optionally, higher level's video distribution subsystem 62 can be higher level's video distribution system shown in Fig. 4, it is described on Grade video distribution subsystem 62 include: higher level's receiving module 41, higher level's scheduling of resource module 42, higher level's media services module 43, And higher level's service management module 44；
Junior's video distribution subsystem 63 is obtained for receiving audio video synchronization request according to audio video synchronization request The second scheduling strategy and second is taken to dispatch address；When determining that the audio video synchronization request is legal according to second scheduling strategy, Audio video synchronization response is sent to the corresponding higher level's video distribution system in second scheduling address；
Optionally, junior's video distribution subsystem 63 can be junior's video distribution system shown in fig. 5, under described Grade video distribution subsystem 63 include: junior's receiving module 51, junior's scheduling of resource module 52, junior's media services module 53, Judgment module 54 and junior's service management module 55；
The scheduling of resource and access controller 64, for formulating scheduling strategy and scheduling address；
Optionally, the scheduling of resource and access controller 64, specifically for formulating the scheduling of video distribution systems at different levels Strategy and scheduling address, by under the scheduling strategy and the video content of scheduling address reconciliation video distribution systems at different levels Hair, and the scheduling address by dynamically managing and distributing video distribution systems at different levels control the video distribution systems at different levels The access and execution of scheduling strategy.
Wherein, the scheduling of resource and access controller and higher level's video distribution system and video distribution system, junior System is realized and is bi-directionally connected.
Optionally, the system also includes Broadcast Control platforms 61；Wherein, the Broadcast Control platform 61, for obtaining video content Operation licence plate and processing and issue video content.
In practical applications, higher level's receiving module 41, higher level's scheduling of resource module 42, higher level's media services module 43 and higher level's service management module 44 can by be located at higher level's video distribution system in central processing unit (CPU), microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA) are realized.
Junior's receiving module 51, junior's scheduling of resource module 52, junior's media services module 53, judgment module 54, And junior's service management module 55 can be realized by CPU, MPU, DSP or the FPGA being located in junior's video distribution system.
If the method for video distribution described in the embodiment of the present invention realized in the form of software function module and as Independent product when selling or using, also can store in a computer readable storage medium.Based on this understanding, It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program product.Cause This, the shape of complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application Formula.Moreover, the application, which can be used, can use storage in the computer that one or more wherein includes computer usable program code The form for the computer program product implemented on medium, the storage medium include but is not limited to USB flash disk, mobile hard disk, read-only deposit Reservoir (ROM, Read-Only Memory), magnetic disk storage, CD-ROM, optical memory etc..
The application is according to the method, apparatus of the embodiment of the present application and the flow chart of computer program product and/or side Block diagram describes.It should be understood that each process and/or the side in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in frame and flowchart and/or the block diagram.These computer program instructions be can provide to logical With the processor of computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate a machine Device, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for realizing in process The device for the function of being specified in figure one process or multiple processes and/or block diagrams one box or multiple boxes.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Correspondingly, the embodiment of the present invention also provides a kind of computer storage medium, wherein it is stored with computer program, the meter The method that calculation machine program is used to execute video distribution described in embodiment of the present invention method.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims (26)

1. a kind of method of video distribution, which is characterized in that this method is in higher level's video distribution system, comprising:
It receives video and sends request, the first scheduling strategy of request and the first scheduling address are sent according to the video；
According to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior's video distribution system in address and sends audio video synchronization Request；
It receives the second video that junior's video distribution system is sent and pulls down request；
Second video drop-down request is redirected to higher level's video distribution system；
When higher level's video distribution system determines that second video drop-down request is legal according to white list mode, by described the The drop-down of two videos requests corresponding video content to be pulled down to junior's video distribution system；
The drop-down response of the second video is sent to junior's video distribution system.
2. the method according to claim 1, wherein the method is also after the reception video sends request It include: that the storage video sends the video content in requesting.
3. the method according to claim 1, wherein described send the first scheduling strategy of request according to video With the first scheduling address, comprising:
The first distribution request is generated according to the control field that the video sends request；
First distribution request is sent to scheduling of resource and access controller；
Receive the first assignment response that the scheduling of resource and access controller are sent, first assignment response include with it is described Video sends corresponding first scheduling strategy of control field and the first scheduling address of request.
4. according to the method described in claim 2, it is characterized in that, described divide to the corresponding junior's video in the first scheduling address After hair system sends audio video synchronization request, the method also includes:
Receive the audio video synchronization response that junior's video distribution system is sent；
The video is sent into the video content in request and is synchronized to junior's video distribution system.
5. according to the method described in claim 4, it is characterized in that, the video content by video transmission request is synchronized to Junior's video distribution system, comprising:
It receives the first video that junior's video distribution system is sent and pulls down request；
It is pulled down and is requested according to first video, the video content of the storage is pulled down to junior's video distribution system；
The drop-down response of the first video is sent to junior's video distribution system.
6. a kind of method of video distribution, which is characterized in that this method is in junior's video distribution system, comprising:
Audio video synchronization request is received, according to second scheduling strategy of audio video synchronization request and the second scheduling address；
When determining that audio video synchronization request is legal according to second scheduling strategy, Xiang Suoshu second dispatch address it is corresponding on Grade video distribution system sends audio video synchronization response.
7. according to the method described in claim 6, it is characterized in that, described according to the second scheduling strategy of audio video synchronization request With the second scheduling address, comprising:
The second distribution request is generated according to the control field of audio video synchronization request；
Second distribution request is sent to scheduling of resource and access controller；
Receive the second assignment response that the scheduling of resource and access controller are sent, second assignment response include with it is described Corresponding second scheduling strategy of control field of audio video synchronization request and the second scheduling address.
8. according to the method described in claim 6, it is characterized in that, described determine the audio video synchronization according to the second scheduling strategy It is legal to request, comprising:
The control field that the control field of second scheduling strategy is requested with the audio video synchronization is matched, when successful match Determine that the audio video synchronization request is legal.
9. according to the method described in claim 6, it is characterized in that, described divide to the corresponding higher level's video in the second scheduling address After hair system sends audio video synchronization response, the method also includes:
Superior video distribution system sends the drop-down request of the first video；
Store the video content of higher level's video distribution system drop-down；
Receive the first video drop-down response that higher level's video distribution system is sent.
10. according to the method described in claim 9, it is characterized in that, the method also includes:
User initiates to obtain video content request by terminal；
The terminal generates third distribution request according to the control field for obtaining video content request；
The third distribution request is sent to scheduling of resource and access controller；
Receive the third assignment response that the scheduling of resource and access controller are sent, the third assignment response include with it is described The corresponding third scheduling strategy of control field and third for obtaining video content request dispatch address；
The terminal is redirected to third scheduling ground according to the third scheduling strategy, by the acquisition video content request The corresponding junior's video distribution system in location.
11. according to the method described in claim 10, it is characterized in that, the video content request that will acquire is redirected to third Dispatch the corresponding junior's video distribution system in address, comprising:
When the acquisition video content request is successfully redirected to the corresponding junior's video distribution system in third scheduling address When, junior's video distribution system provides a user video content corresponding with the acquisition video content request.
12. according to the method described in claim 10, it is characterized in that, the video content request that will acquire is redirected to third Dispatch the corresponding junior's video distribution system in address, comprising:
When the acquisition video content request is redirected to the third scheduling corresponding junior's video distribution in address system not successfully When system, junior's video distribution system generates the 4th distribution request according to the control field for obtaining video content request；
The 4th distribution request is sent to the scheduling of resource and access controller；
Receive the 4th assignment response that the scheduling of resource and access controller are sent, the 4th assignment response include with it is described Obtain corresponding 4th scheduling strategy of control field and the 4th scheduling address of video content request.
13. according to the method for claim 12, which is characterized in that the method also includes:
For junior's video distribution system according to the 4th scheduling strategy, Xiang Suoshu the 4th dispatches the corresponding higher level's video in address Dissemination system sends the drop-down request of the second video；
Store the video content of higher level's video distribution system drop-down；
Receive the second video drop-down response that higher level's video distribution system is sent, provide a user in the acquisition video Hold and requests corresponding video content.
14. a kind of method of video distribution, which is characterized in that the described method includes:
Higher level's video distribution system method according to any one of claims 1 to 5 carries out video distribution；
Junior's video distribution system carries out video distribution according to the described in any item methods of claim 6 to 13.
15. a kind of higher level's video distribution system, which is characterized in that the system comprises: higher level's receiving module, higher level's scheduling of resource Module and higher level's media services module；Wherein,
Higher level's receiving module sends request for receiving video；
Higher level's scheduling of resource module, for sending the first scheduling strategy of request and the first scheduling ground according to the video Location；According to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior's video distribution system in address and sends audio video synchronization Request；
Higher level's scheduling of resource module is also used to receive the second video drop-down request of junior's video distribution system transmission, will The second video drop-down request is redirected to higher level's media services module, and sends to junior's video distribution system The drop-down response of second video；
Higher level's media services module, specifically for determining that the second video drop-down request is legal according to white list mode When, request corresponding video content to be pulled down to junior's video distribution system second video drop-down.
16. system according to claim 15, which is characterized in that higher level's media services module is also used to store institute It states video and sends the video content in requesting.
17. system according to claim 15, which is characterized in that higher level's scheduling of resource module is specifically used for basis The control field that the video sends request generates the first distribution request, sends described first to scheduling of resource and access controller Distribution request, and receive the first assignment response of the scheduling of resource and access controller transmission.
18. system according to claim 16, which is characterized in that higher level's scheduling of resource module is also used under reception The audio video synchronization response that grade video distribution system is sent, sends the video content in request for the video and is synchronized to junior's video Dissemination system.
19. system according to claim 18, which is characterized in that higher level's scheduling of resource module is specifically used for receiving The first video that junior's video distribution system is sent pulls down request, is pulled down and is requested according to first video, passes through the higher level The video content of the storage is pulled down to junior's video distribution system by media services module, and to junior's video distribution system System sends the drop-down response of the first video.
20. a kind of junior's video distribution system, which is characterized in that the system comprises: junior's receiving module and junior's resource Scheduler module；Wherein,
Junior's receiving module, for receiving audio video synchronization request；
Junior's scheduling of resource module, for according to second scheduling strategy of audio video synchronization request and the second scheduling ground Location, when determining that audio video synchronization request is legal according to second scheduling strategy, Xiang Suoshu second dispatch address it is corresponding on Grade video distribution system sends audio video synchronization response.
21. system according to claim 20, which is characterized in that junior's scheduling of resource module is specifically used for basis The control field of the audio video synchronization request generates the second distribution request, sends described second to scheduling of resource and access controller Distribution request receives the second assignment response of the scheduling of resource and access controller transmission, by second scheduling strategy The control field that control field is requested with the audio video synchronization matches, and when successful match determines that the audio video synchronization request is closed Method.
22. system according to claim 20, which is characterized in that junior's scheduling of resource module is also used to superior Video distribution system sends the drop-down request of the first video, receives and sounds under the first video that higher level's video distribution system is sent It answers；
Junior's video distribution system further include: junior's media services module；Wherein, junior's media services module is used In the video content for storing higher level's video distribution system drop-down.
23. system according to claim 22, which is characterized in that junior's video distribution system further include: judge mould Block；Wherein, the judgment module, for judging whether the acquisition video content request that user is initiated by terminal successfully redirects To junior's scheduling of resource module；
Junior's scheduling of resource module, specifically for being provided when the acquisition video content request is successfully redirected to the junior When the scheduler module of source, view corresponding with the acquisition video content request is provided a user by junior's media services module Frequency content.
24. system according to claim 23, which is characterized in that junior's scheduling of resource module is specifically used for working as institute It states and obtains video content request when being redirected to junior's scheduling of resource module not successfully, asked according to the acquisition video content The control field asked generates the 4th distribution request, sends the 4th distribution request to scheduling of resource and access controller；It receives The 4th assignment response that the scheduling of resource and access controller are sent, the 4th assignment response include and the acquisition video Corresponding 4th scheduling strategy of the control field of content requests and the 4th scheduling address；According to the 4th scheduling strategy, to institute It states the corresponding higher level's video distribution system in the 4th scheduling address and sends the drop-down request of the second video, receive higher level's video distribution The second video that system is sent pulls down response；
Junior's media services module, the video content pulled down specifically for storing higher level's video distribution system, and to User provides video content corresponding with the acquisition video content request.
25. a kind of video distribution system, which is characterized in that the video distribution system include: higher level's video distribution subsystem, under Grade video distribution subsystem and scheduling of resource and access controller；Wherein,
Higher level's video distribution subsystem sends request for receiving video, sends request first according to the video Scheduling strategy and the first scheduling address；According to first scheduling strategy, Xiang Suoshu first dispatches the corresponding junior's video in address Dissemination system sends audio video synchronization request；
Junior's video distribution subsystem, for receiving audio video synchronization request, according to the audio video synchronization request second Scheduling strategy and the second scheduling address；When determining that the audio video synchronization request is legal according to second scheduling strategy, Xiang Suoshu The corresponding higher level's video distribution system in second scheduling address sends audio video synchronization response；
The scheduling of resource and access controller, for formulating scheduling strategy and scheduling address.
26. system according to claim 25, which is characterized in that
Higher level's video distribution subsystem is the described in any item higher level's video distribution systems of claim 15 to 19；
Junior's video distribution subsystem is the described in any item junior's video distribution systems of claim 20 to 24.
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