CN102510530A - Program content distribution system, device and method - Google Patents
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Abstract
The invention provides program content distribution system, method and device. A CDN (Content Distribution Network) central controller is used for managing all nodes in the program content distribution system, managing the injection and distribution of program contents, storing the information of both a program supplier providing the program contents and CDN edge storage nodes administrated by an operator, controlling a CDN uploading agent to upload the program contents of the program supplier from a medium resource system of the program supplier, controlling the program contents to be stored in a CDN central memory, controlling the program contents of the program supplier to be extracted from the CDN central memory, and distributing the program contents of the specific CDN edge storage node administrated by the operator authorizing the program contents; and the CDN central memory, the CDN uploading agent and the CDN edge storage nodes work under the control of the CDN central controller. Therefore, when CDN networking is carried out by adopting the centralized deployment manner, the program contents provided by different program suppliers are managed.
Description
Technical field
The present invention relates to provide digital television system, particularly a kind of programme content dissemination system, device and method of providing.
Background technology
Digital television system be one from programme acquisition, program making, program transmission up to user side, all be end-to-end system with the digital form processing signals.In digital television system; Based on DVB (DVB; Digital Video Broadcasting) broadcast type of technical standard and interactively DTV; Adopt the advanced user administrative skill can the quality and the quantity of programme content be accomplished perfection at user side, select and better program quality effect for the user brings more program.With the conventional analogue television system, adopt simulated television to compare at user side, DTV has picture quality height, the programme content capacity is big and tonequality is good characteristics.
Because the programme content capacity that digital television system provides is big; Be generally more than ten times of simulated television system; So the programme content that the digital television system network side provides is stored in content distributing network (CDN; Content Distribute Network) in each node in, thus the visit load that improves programme content distribution quality, reduction backbone network traffic load and reduction program content source.Usually CDN describes storehouse, media store source node, edge memory node, programme content distribution Distribution Control Center by media resource and uploads the program downloading content gateway and form; Wherein media resource is described the descriptor that the storehouse is used for store program content; The media store source node is used for the edge memory node at store program content place; The edge memory node is used for store program content; Programme content distribution Distribution Control Center is used for the programme content of uploading download is distributed to the edge memory node, uploads the programme content that the program downloading content gateway is used to upload download.
During present CDN networking; In order to save network bandwidth resources and the convenient management in the CDN; All be the corresponding operator of programme content, a program provider and video server that a CDN provides; This pattern has greatly hindered the development of CDN, also is unfavorable for the repeated use of a programme content at different operators simultaneously, has increased the cost and the maintenance cost of CDN networking.
In order to overcome the problems referred to above, the inter-network that can between each CDN, can carry out programme content provides.
Particularly; As being on May 7th, 2009 before the applying date, application number is 200910107237.9, and name is called the patent application of " a kind of system and method for realizing the streaming medium content service "; The system of this patent application protection is with point-to-point (P2P; Point to Point) technology and CDN merge, and a plurality of physical network managements territory connects through communication network, the edge media server (EMS) in the territory are adopted make up the P2P network topology.Also be provided with LIST SERVER (DTS) in the territory, in store all be in the program content information of the EMS in this territory, can find the EMS that deposits programme content apace.In addition, also stored cross-domain program content information among the DTS,, the programme content request has been navigated to other territories when in this territory, finding when depositing programme content.Like this, just solve the problem of CDN media capabilities and userbase poor expandability, to other nodes influences, in addition, be provided with DTS when having reduced bandwidth and the node failure in the CDN territory, guaranteed search time of nodes, guaranteed service quality.
Above-mentioned this distributed group net mode still has a plurality of CDN, though can information interaction between the CDN; Realize cross-domain the providing of programme content of carrying out; But the networking more complicated, and the network bandwidth resources consumption in the CDN territory and between the territory is also very big, still limits the distribution of programme content.
Therefore,, can adopt and concentrate the mode of disposing to carry out the CDN networking, just set up a CDN, thereby when carrying out the programme content distribution, do not have cross-domain problem in order to address the above problem.Adopt and concentrate the mode of disposing to cause the network bandwidth resources consumption in the CDN big,, have the edge memory node that more is used for store program content among the CDN, share the network bandwidth resources in the CDN in order to overcome this problem.
Adopt when concentrating deployment way to carry out the CDN networking; Continuous increase along with number of users; Program provider is in continuous increase, and video server also constantly increases, and how accomplishing the programme content that different program providers provides managed becomes a problem demanding prompt solution.
Summary of the invention
In view of this, the present invention provides a kind of programme content dissemination system that provides, and when this system carries out the CDN networking at concentrated deployment way, can manage the programme content that different program provider provides.
The present invention also provides a kind of programme content dispensing device, when this device carries out the CDN networking at concentrated deployment way, can manage the programme content that different program provider provides.
The present invention also provides a kind of programme content distribution method, when this method is carried out the CDN networking at concentrated deployment way, can manage the programme content that different program provider provides.
Technical scheme of the present invention is achieved in that
A kind of programme content dissemination system that provides comprises: content distributing network CDN master controller, CDN upload proxy server, CDN central memory and CDN edge memory, wherein,
The CDN master controller; Be used to preserve the CDN edge memory node information of administering by operator at program provider information and the place of programme content; Control CDN uploads proxy server is uploaded program provider from the media resource system of program provider programme content; Control store is in the CDN central memory, and the programme content of program provider is extracted in control from the CDN central memory, is distributed to the appointment CDN edge memory node that the operator of authorizing this programme content administers;
The CDN central memory has a plurality ofly, is used for the control according to the CDN master controller, CDN is uploaded the programme content of the program provider that proxy server uploads to and stores;
CDN uploads proxy server, is used for the control according to the CDN master controller, from the media resource system of program provider, uploads the programme content of program provider;
CDN edge memory node has a plurality ofly, is used for the control according to the CDN master controller, from the CDN central memory, extracts the programme content of provider, stores.
CDN master controller, CDN upload and adopt the internet to connect between proxy server, CDN central memory and the CDN edge memory.
The CDN edge memory node information of being administered by operator at place comprises: this CDN edge memory node numbering, sign, title, address, port numbers and node state.
A kind of programme content distribution method that provides, programme content dissemination system are provided with CDN master controller, CDN central memory, CDN and upload proxy server and CDN edge memory node, and this method also comprises:
The CDN master controller is preserved the CDN edge memory node information of being administered by operator at program provider information and the place of programme content;
After the programme content that the CDN master controller receives the program provider that the media resource system of program provider sends injects request; Control CDN uploads proxy server is uploaded program provider from the media resource system of program provider programme content, stores in the CDN central memory;
The programme content of program provider is extracted in CDN master controller control from the CDN central memory, be distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers.
Said control CDN uploads proxy server and from the media resource system of program provider, uploads the process of the programme content of program provider and be:
The media resource system of program provider sends multimedia data information ADI metadata and uploads proxy server to CDN;
Under the control of CDN master controller, CDN uploads proxy server and resolves this ADI metadata, resolves the address information and the obtain manner of the programme content that obtains program provider;
Under the control of CDN master controller, CDN uploads proxy server and adopts FTP FTP to obtain programme content with determined obtain manner from the media resource system of program provider;
Under the control of CDN master controller, CDN uploads proxy server and stores in the CDN central memory;
Under the control of CDN master controller, CDN uploads proxy server and sends the injection result notification to the media resource system of program provider;
The media resource system transmission reception injection result notification of program provider responds to CDN uploads proxy server.
The process of the appointment CDN edge memory node that the said operator that is distributed to this programme content of mandate administers is:
The programme content that the CDN master controller will be distributed according to the sign selection of program provider is according to the CDN edge memory node of the CDN edge memory node Information Selection distribution of storing;
The control of CDN master controller is distributed to selected programme content on the selected CDN edge memory node;
The CDN master controller produces distributed tasks when distribution, then program content information is upgraded.
A kind of programme content dispensing device that provides comprises: unit and control Dispatching Unit are injected in memory cell, control, wherein,
Memory cell is used for the CDN edge memory node information of being administered by operator at program provider information and the place of store program content;
The unit is injected in control, is used for controlling CDN and uploads proxy server and upload the programme content of program provider from the media resource system of program provider, and control store is in the CDN central memory;
The control Dispatching Unit is used for controlling the programme content that extracts program provider from the CDN central memory, is distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers.
Said memory cell also is used for the CDN edge memory node information stores of being administered by operator to each informational table of nodes.
Can find out that from such scheme of the present invention providing in the programme content dissemination system has CDN master controller, CDN central memory, CDN and upload proxy server and CDN edge memory node; Wherein, The CDN master controller is used for each node of programme content dissemination system is managed, and the injection and the distribution of programme content are managed; Preserve the CDN edge memory node information of administering by operator at program provider information and the place of programme content; Particularly, be used for controlling CDN and upload proxy server and upload the programme content of program provider from the media resource system of program provider, control store is in the CDN central memory; The programme content of program provider is extracted in control from the CDN central memory; Be distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers, CDN central memory, CDN upload proxy server and CDN edge memory node is all operated under the control of CDN master controller, like this; Just each node among the CDN is carried out unified management by the unification of CDN master controller; The unified programme content that different program provider is provided injects and is distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers, and has realized when concentrated deployment way carries out the CDN networking, and the programme content that different program provider provides is managed.
Description of drawings
Fig. 1 is the programme content dissemination system structural representation that provides provided by the invention;
Fig. 2 is the programme content distribution method flow chart that provides provided by the invention;
The CDN master controller control programme content that Fig. 3 provides for this lumbering is injected into the method flow diagram of the dissemination system that programme content is provided;
Fig. 4 is the method flow diagram that is distributed to the appointment CDN edge memory node that the operator of authorizing this programme content administers provided by the invention;
Fig. 5 is the programme content dispensing device structural representation that provides provided by the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is done further explain.
When the programme content that provides at the digital television system network side is more and more; Just having increasing program provider is injected into programme content and concentrates among the CDN that disposes; At this moment; Just need manage, comprise the program provider sign and the setting of CDN edge memory node or the like of depositing to these programme contents from different program provider.Obtain the mandate of operator when programme content after, just need programme content be distributed on the appointment CDN edge memory node that this operator administers.Obtain the mandate of a plurality of operators when programme content after, just this programme content is distributed to respectively on the appointment CDN edge memory node that this a plurality of operator administers.The CDN networking that this concentrated deployment way carries out has solved to different operators and need dispose a plurality of CDN, dock loaded down with trivial details problem, saving cost and reduction maintenance costs such as how tame program provider.
Adopt system provided by the invention; CDN edge memory node with the administration of a plurality of operators, the CDN edge memory node that each operator administers can have a plurality of or in follow-up increase, when increasing CDN edge memory node; Can directly be increased in the system; And get final product by the CDN edge memory node information that the CDN centre manager is provided with this interpolation, like this, system provided by the invention flexible configuration also can be expanded.
To sum up; Of the present invention providing in the programme content dissemination system has CDN master controller, CDN central memory, CDN and uploads proxy server and CDN edge memory node, wherein; The CDN master controller; Be used for each node of programme content dissemination system is managed, the injection and the distribution of programme content are managed, preserve the CDN edge memory node information of administering by operator at program provider information and the place of programme content; Particularly; Be used for controlling CDN and upload proxy server and upload the programme content of program provider from the media resource system of program provider, control store is in the CDN central memory, and the programme content of program provider is extracted in control from the CDN central memory; Be distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers, CDN central memory, CDN upload proxy server and CDN edge memory node is all operated under the control of CDN master controller.
Like this; Just each node among the CDN is carried out unified management by the unification of CDN master controller; The unified programme content that different program provider is provided injects and is distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers; Realized when concentrated deployment way carries out the CDN networking, the programme content that different program provider provides has been managed.
Fig. 1 is the programme content dissemination system structural representation that provides provided by the invention; Comprise: CDN master controller, CDN upload proxy server, CDN central memory and CDN edge memory; Owing to need the programme content of storage many, so that the CDN central memory can have is a plurality of, CDN edge memory node also has a plurality of; Each entity in the system can adopt the internet to connect, and connects like Internet protocol (IP) network.
The CDN master controller; Be used to preserve the CDN edge memory node information of administering by operator at program provider information and the place of programme content; Control CDN uploads proxy server is uploaded program provider from the media resource system of program provider programme content; Control store is in the CDN central memory, and the programme content of program provider is extracted in control from the CDN central memory, is distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers;
The CDN central memory has a plurality ofly, is used for the control according to the CDN master controller, CDN is uploaded the programme content of the program provider that proxy server uploads to and stores;
CDN uploads proxy server, is used for the control according to the CDN master controller, from the media resource system of program provider, uploads the programme content of program provider;
CDN edge memory node has a plurality ofly, is used for the control according to the CDN master controller, from the CDN central memory, extracts the programme content of provider, stores.
In this system; CDN is responsible at the center controlling all entity informations among the CDN, manages all entities, comprises entity state and entity operating position; Manage all programme contents, comprise uploading and the distribution management of programme content of management to program content information, programme content.
CDN central memory in this system all will be stored all programme contents, and the programme content that just any program provider provides all need keep a in the CDN central memory.
In this system, CDN edge memory node receives each operator's administration respectively, controls through the CDN master controller to be distributed on the CDN edge memory node.
In this system; CDN uploads proxy server; Be responsible for connecting the media resource system of program provider; The programme content of the program provider that the media resource system through program receiving provider provides injects request, and the programme content of the program provider that the media resource system of program provider is provided is injected in the CDN central memory.
Fig. 2 is the programme content distribution method flow chart that provides provided by the invention, and the programme content dissemination system is provided with CDN master controller, CDN central memory, CDN and uploads proxy server and CDN edge memory node, and the concrete steps of this method are:
After the programme content that step 202, CDN master controller receive the program provider that the media resource system of program provider sends injects request; Control CDN uploads proxy server is uploaded program provider from the media resource system of program provider programme content, stores in the CDN central memory;
The programme content of program provider is extracted in the control of step 203, CDN master controller from the CDN central memory, be distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers.
Step 202 in said method; Control CDN uploads proxy server is uploaded program provider from the media resource system of program provider programme content; In fact be exactly that CDN master controller control programme content is injected in the dissemination system that programme content is provided; Concrete step is as shown in Figure 3, and the CDN master controller control programme content that Fig. 3 provides for this lumbering is injected into the method flow diagram of the dissemination system that programme content is provided, and its concrete steps are:
The media resource system of step 301, program provider sends multimedia data information (ADI) metadata and uploads proxy server to CDN;
The programme content that just sends program provider here, injects request; Can send after CDN uploads proxy server and receives and receive response;
Here; The media resource system of program provider can be supported interface through the matchmaker and with the mode of http+xml the ADI metadata sent to the CDN upload server; CDN upload server of the present invention is supported main flow metadata formats such as ADI1.0, ADI1.1 and ADI2.0, and supports VOD system of future generation (NGOD) and broadcasting and television network of future generation (NGB) etc. to obtain the programme content mode;
In this step, the CDN master controller can comprise the CDN central memory sign of program provider sign and store program content etc. with this program content information storage.
The media resource system transmission reception injection result notification of step 306, program provider responds to CDN uploads proxy server.
The concrete steps of the step 203 in the described method of Fig. 2 are as shown in Figure 4, and Fig. 4 is the method flow diagram that is distributed to the appointment CDN edge memory node that the operator of authorizing this programme content administers provided by the invention, and its concrete steps are:
The programme content that step 401, CDN master controller will be distributed according to the sign selection of program provider is according to the CDN edge memory node of the CDN edge memory node Information Selection distribution of storing;
Step 403, CDN master controller produce distributed tasks when distribution, then program content information is upgraded;
, but the state in the program content information being updated to program request here, is the CDN edge memory node sign of being distributed with the CDN edge memory node information updating of correspondence.
In the present invention, the CDN master controller has also been stored the CDN edge memory node information of being administered by operator at place, and each CDN edge memory node information write in each informational table of nodes, shown in table one:
Table one
Wherein, the id field is the master index of this table, and its value is a self-propagation, and unique.Manual modification not; The nodeinfo_id field is a node serial number, can specify arbitrarily not surpass three figure places, but each node must be unique; The nodeinfo_name field is a nodename, preferably can embody information such as its function and role when node is named, and is convenient to memorandum and checks; The nodeinfo_ip field is the IP address of node place main frame; The nodeinfo_port field is the port that node is monitored, and when being each node configuration listening port, must guarantee that this port does not have occupied; Whether the nodeinfo_state field is a node state, moving through the state decision node.
In system provided by the invention, if when increasing CDN edge memory node, add record in only need each informational table of nodes in the CDN master controller and get final product, the record of this node comprises each field that table one writes down.The CDN master controller is managed existing CDN edge memory node and newly-increased CDN edge memory node through each informational table of nodes.The CDN master controller can be distributed to the programme content of CDN central memory storage in the CDN edge memory node, accomplish any programme content and still can CDN edge memory node may command and can managing all.
Fig. 5 is the programme content dispensing device structural representation that provides provided by the invention, and CDN master controller just comprises: unit and control Dispatching Unit are injected in memory cell, control, wherein,
Memory cell is used for the CDN edge memory node information of being administered by operator at program provider information and the place of store program content;
The unit is injected in control, is used for controlling CDN and uploads proxy server and upload the programme content of program provider from the media resource system of program provider, and control store is in the CDN central memory;
The control Dispatching Unit is used for controlling the programme content that extracts program provider from the CDN central memory, is distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers.
In memory cell, also be used for the CDN edge memory node information stores of administering to each informational table of nodes by operator.
When system provided by the invention, method and device provide programme content in different content suppliers; The different programme contents that different content suppliers is provided carry out the difference management; Where need just be distributed on which CDN edge memory node, accomplish a programme content, under the prerequisite of authorizing; Can use by how tame operator, reduce the trouble of managing manyly.To the recycling of programme content, reduced existing trouble of building a plurality of CDN, obtain fast, save time, save trouble and effect efficiently.System provided by the invention is by under the situation of how tame operator use; Different operators possibly have different hobbies; They can select its CDN edge memory node of likeing; System provided by the invention complete compatible existing C DN edge memory node only need be increased to the CDN edge memory node that operator provides in this system and gets final product.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (8)
1. one kind provides the programme content dissemination system, it is characterized in that, comprising: content distributing network CDN master controller, CDN upload proxy server, CDN central memory and CDN edge memory, wherein,
The CDN master controller; Be used to preserve the CDN edge memory node information of administering by operator at program provider information and the place of programme content; Control CDN uploads proxy server is uploaded program provider from the media resource system of program provider programme content; Control store is in the CDN central memory, and the programme content of program provider is extracted in control from the CDN central memory, is distributed to the appointment CDN edge memory node that the operator of authorizing this programme content administers;
The CDN central memory has a plurality ofly, is used for the control according to the CDN master controller, CDN is uploaded the programme content of the program provider that proxy server uploads to and stores;
CDN uploads proxy server, is used for the control according to the CDN master controller, from the media resource system of program provider, uploads the programme content of program provider;
CDN edge memory node has a plurality ofly, is used for the control according to the CDN master controller, from the CDN central memory, extracts the programme content of provider, stores.
2. the system of claim 1 is characterized in that, CDN master controller, CDN upload and adopt the internet to connect between proxy server, CDN central memory and the CDN edge memory.
3. the system of claim 1 is characterized in that, the CDN edge memory node information of being administered by operator at place comprises: this CDN edge memory node numbering, sign, title, address, port numbers and node state.
4. one kind provides the programme content distribution method, it is characterized in that, the programme content dissemination system is provided with CDN master controller, CDN central memory, CDN and uploads proxy server and CDN edge memory node, and this method also comprises:
The CDN master controller is preserved the CDN edge memory node information of being administered by operator at program provider information and the place of programme content;
After the programme content that the CDN master controller receives the program provider that the media resource system of program provider sends injects request; Control CDN uploads proxy server is uploaded program provider from the media resource system of program provider programme content, stores in the CDN central memory;
The programme content of program provider is extracted in CDN master controller control from the CDN central memory, be distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers.
5. method as claimed in claim 4 is characterized in that, said control CDN uploads proxy server and from the media resource system of program provider, uploads the process of the programme content of program provider and be:
The media resource system of program provider sends multimedia data information ADI metadata and uploads proxy server to CDN;
Under the control of CDN master controller, CDN uploads proxy server and resolves this ADI metadata, resolves the address information and the obtain manner of the programme content that obtains program provider;
Under the control of CDN master controller, CDN uploads proxy server and adopts FTP FTP to obtain programme content with determined obtain manner from the media resource system of program provider;
Under the control of CDN master controller, CDN uploads proxy server and stores in the CDN central memory;
Under the control of CDN master controller, CDN uploads proxy server and sends the injection result notification to the media resource system of program provider;
The media resource system transmission reception injection result notification of program provider responds to CDN uploads proxy server.
6. method as claimed in claim 4 is characterized in that, the process of the appointment CDN edge memory node that the said operator that is distributed to this programme content of mandate administers is:
The programme content that the CDN master controller will be distributed according to the sign selection of program provider is according to the CDN edge memory node of the CDN edge memory node Information Selection distribution of storing;
The control of CDN master controller is distributed to selected programme content on the selected CDN edge memory node;
The CDN master controller produces distributed tasks when distribution, then program content information is upgraded.
7. one kind provides the programme content dispensing device, it is characterized in that, comprising: unit and control Dispatching Unit are injected in memory cell, control, wherein,
Memory cell is used for the CDN edge memory node information of being administered by operator at program provider information and the place of store program content;
The unit is injected in control, is used for controlling CDN and uploads proxy server and upload the programme content of program provider from the media resource system of program provider, and control store is in the CDN central memory;
The control Dispatching Unit is used for controlling the programme content that extracts program provider from the CDN central memory, is distributed on the appointment CDN edge memory node that the operator of authorizing this programme content administers.
8. device as claimed in claim 7 is characterized in that, said memory cell also is used for the CDN edge memory node information stores of being administered by operator to each informational table of nodes.
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| CN102769669A (en) * | 2012-07-03 | 2012-11-07 | Ut斯达康通讯有限公司 | Intelligent content distribution control device and system |
| CN103731506A (en) * | 2014-01-20 | 2014-04-16 | 中国联合网络通信集团有限公司 | Content injection method, first business service node and content distribution network |
| CN103747046A (en) * | 2013-12-24 | 2014-04-23 | 乐视网信息技术（北京）股份有限公司 | CDN file management method, distribution control center and content distribution system |
| CN105744530A (en) * | 2016-04-07 | 2016-07-06 | 清华大学 | Method for allocating edge memories in mobile content distribution |
| CN106878826A (en) * | 2017-03-30 | 2017-06-20 | 河北上元工控技术有限公司 | The method of one species P2P real-time videos forwarding |
| CN107172015A (en) * | 2017-04-25 | 2017-09-15 | 北京潘达互娱科技有限公司 | Live video method for pushing and device |
| WO2018068351A1 (en) * | 2016-10-10 | 2018-04-19 | 网宿科技股份有限公司 | Node routing method and system |
| CN114268817A (en) * | 2021-12-29 | 2022-04-01 | 北京连屏科技有限公司 | Media asset management method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102769669A (en) * | 2012-07-03 | 2012-11-07 | Ut斯达康通讯有限公司 | Intelligent content distribution control device and system |
| CN103747046A (en) * | 2013-12-24 | 2014-04-23 | 乐视网信息技术（北京）股份有限公司 | CDN file management method, distribution control center and content distribution system |
| CN103731506A (en) * | 2014-01-20 | 2014-04-16 | 中国联合网络通信集团有限公司 | Content injection method, first business service node and content distribution network |
| CN105744530A (en) * | 2016-04-07 | 2016-07-06 | 清华大学 | Method for allocating edge memories in mobile content distribution |
| WO2018068351A1 (en) * | 2016-10-10 | 2018-04-19 | 网宿科技股份有限公司 | Node routing method and system |
| US10715635B2 (en) | 2016-10-10 | 2020-07-14 | Wangsu Science & Technology Co., Ltd. | Node route selection method and system |
| CN106878826A (en) * | 2017-03-30 | 2017-06-20 | 河北上元工控技术有限公司 | The method of one species P2P real-time videos forwarding |
| CN107172015A (en) * | 2017-04-25 | 2017-09-15 | 北京潘达互娱科技有限公司 | Live video method for pushing and device |
| CN114268817A (en) * | 2021-12-29 | 2022-04-01 | 北京连屏科技有限公司 | Media asset management method |
| CN114268817B (en) * | 2021-12-29 | 2023-12-29 | 北京连屏科技有限公司 | Media resource management method |
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