CN102833579B - A kind of method and device of network individual video recorder service - Google Patents
A kind of method and device of network individual video recorder service Download PDFInfo
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- CN102833579B CN102833579B CN201210282376.7A CN201210282376A CN102833579B CN 102833579 B CN102833579 B CN 102833579B CN 201210282376 A CN201210282376 A CN 201210282376A CN 102833579 B CN102833579 B CN 102833579B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/71—Indexing; Data structures therefor; Storage structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2747—Remote storage of video programs received via the downstream path, e.g. from the server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Software Systems (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention discloses the method and device of a kind of NPVR business realizing, including: after operation system receives NPVR request, send NPVR request to CDN system；CDN system controls the CDN node corresponding with described NPVR request and carries out recording program, and after recording program completes, CDN system sends storage request to storage system；Storage system, according to described storage request, obtains from described CDN system and records the NPVR file that program obtains, and preserve, and is then completed by CDN system notice operation system NPVR business.The present invention is by CDN system by NPVR content storage system, and the NPVR content in CDN system is no longer filed, but as common TVOD contents processing, after reaching ageing time, it is possible to carry out burin-in process (deletion)；Solve the problem causing CDN system memory space nervous owing to user increases the increase of NPVR business demand.
Description
Technical field
The present invention relates to multimedia service technical field, particularly relate to a kind of NPVR(Network
Personal Video Recorder, network individual is recorded a video) method and device of business realizing.
Background technology
Multimedia service relates to Web TV (Internet Protocol Television, IPTV), mobile stream matchmaker
The business such as system system (MVS, Mobile Video Streaming), mobile TV.Web TV is a kind of
Multimedia technology based on the Internet, infrastructure based on existing network bandwidth, by Internet protocol be
User provides multiple interactive digital media business service.And along with the raising of the network bandwidth and network technology
Development, carrying out of Media Increment based on multi-media networks such as Web TVs is increasingly becoming a kind of trend.
In multi-media service system, generally use multiple media servers (node) component content distribution network
(content distribution network, CDN) is end users with services, generally, for reducing center
Node concurrent, it is desirable to store content on each fringe node and substantially meet home subscriber.
Can provide NPVR business service at multi-media service systems such as IPTV, terminal passes through NPVR industry
Business, can record programme content interested and be saved in CDN node.When user terminal point
When broadcasting this NPVR content, by accessing CDN system, obtain this recorded content in CDN node
Position, obtains this recorded content the most again in this CDN node.This NPVR content typically requires at CDN
On node, the holding time is longer, to meet the demand of user terminal.Along with terminal use's quantity is that geometry level increases
Long, the expansion of user's NPVR business demand, CDN node needs lasting dilatation.But, this dilatation
Method is only capable of the capacity problem solved in a short time, meanwhile, there is also the TVOD(True Video of CDN system
On Demand, i.e. puts and i.e. broadcasts) delete and ageing efficiency problem.Therefore, how to solve CDN system to hold
Contradiction between the demand that amount and terminal use's NPVR business increase, becomes multimedia service CDN system
Need problem demanding prompt solution.
Summary of the invention
The technical problem to be solved in the present invention is to provide the method and device of a kind of NPVR business realizing, in order to
Solve prior art exists contradiction between CDN system capacity and terminal use's NPVR business increased requirement
Problem.
For solving above-mentioned technical problem, on the one hand, the present invention provides a kind of method of NPVR business realizing,
Including:
After operation system receives network individual video recording NPVR request, send out to content distributing network CDN system
NPVR is sent to ask；
CDN system controls the CDN node corresponding with described NPVR request and carries out recording program, records joint
After mesh completes, CDN system sends storage request to storage system；
Storage system, according to described storage request, obtains from described CDN system and records what program obtained
NPVR file, and preserve, then completed by CDN system notice operation system NPVR business.
Further, after NPVR business completes, also include:
Terminal unit sends NPVR order request to operation system；
After operation system receives NPVR order request, send NPVR order request message to storage system；
After storage system receives NPVR order request, search the NPVR that this NPVR order request is corresponding
The storage address of file, and storage address is sent to operation system as returning message；
After operation system receives return message, described return message is sent to terminal unit；
Terminal unit, according to described return message, sends playing request to storage system；
After storage system receives playing request, send broadcast code flow to terminal unit.
Further, between CDN system and storage system and the most logical between terminal unit and storage system
Cross HTTP mode to communicate.
Further, FTP mode is used to transmit file between storage system and CDN system.
Further, after NPVR business completes, also include:
When reaching ageing time, CDN system carries out aging delete processing.
On the other hand, the present invention also provides for the device of a kind of NPVR business realizing, including:
Operation system, is used for receiving network individual video recording NPVR request backward content distributing network CDN system
System sends NPVR request；
CDN system, carries out recording program for controlling the CDN node corresponding with described NPVR request,
After recording program completes, CDN system sends storage request to storage system；
Storage system, for according to described storage request, obtains recording program from described CDN system and obtains
The NPVR file arrived, and preserve, then completed by CDN system notice operation system NPVR business.
Further, operation system, it is additionally operable to receive terminal unit and sends NPVR order request to operation system
After, send NPVR order request message to storage system；And be used for receiving storage system
Return disappear
After breath, described return message is sent to terminal unit；Terminal unit is according to described return message, to storage
System sends playing request；
Storage system, after being additionally operable to receive NPVR order request, searches this NPVR order request corresponding
The storage address of NPVR file, and storage address is sent to operation system as returning message；And,
After receiving the playing request that terminal unit sends, send broadcast code flow to terminal unit.
Further, between CDN system and storage system and the most logical between terminal unit and storage system
Cross HTTP mode to communicate.
Further, FTP mode is used to transmit file between storage system and CDN system.
Further, also include: CDN system, after NPVR business completes, reaches to carry out during ageing time
Aging delete processing.
The present invention has the beneficial effect that:
The present invention by CDN system by NPVR content storage system, in CDN system
NPVR content is no longer filed, but as common TVOD contents processing, after reaching ageing time,
Can be carried out burin-in process (deletion)；And during this NPVR content of terminal unit program request, by storage system
Thering is provided NPVR to play service, and then solve owing to user increases, NPVR business demand increases, and leads
The problem that the CDN system memory space caused is nervous.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of method of NPVR business realizing in the embodiment of the present invention；
Fig. 2 is the structural representation of the device of a kind of NPVR business realizing in the embodiment of the present invention；
Fig. 3 is that in the specific embodiment of the invention, the device of a kind of NPVR business realizing realizes NPVR business
Flow chart.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that this
Specific embodiment described by place, only in order to explain the present invention, does not limit the present invention.
As it is shown in figure 1, a kind of method that the present embodiments relate to NPVR business realizing, including:
Step S101, after operation system receives NPVR request, sends NPVR request to CDN system；
In this step, user sends NPVR by user terminal to operation system and asks, and request is recorded relevant
Program.Operation system, after receiving NPVR request, sends NPVR request to CDN system；By CDN
System carries out performance recording.
Step S102, CDN system controls the NPVR node corresponding with described NPVR request and records
Program, after recording program completes, CDN system sends storage request to storage system；
In this step, after CDN system receives NPVR request, first have at multiple media server (CDN
Node) determine and which media server to record program by.Can ask according to NPVR, determine and NPVR
The CDN node of request correspondence is recorded.Recording request is issued to corresponding CDN node, at media
Server arranges after recording completes, and no longer issues filing task to node, but the storage system that notice is newly-increased.
In CDN system, the content recorded, after reaching ageing time (presetting the time), from
Row burin-in process (is the most directly deleted), it is not necessary to consider that NPVR files problem.
Step S103, storage system, according to described storage request, obtains from described CDN system and records joint
The NPVR file that mesh obtains, and preserve, then notify operation system NPVR business by CDN system
Complete.
In this step, after storage system is notified, copy from the corresponding CDN node of CDN system
NPVR content (NPVR file), after copy completes, notice CDN system storage completes；
After CDN system receives the notification message stored, report NPVR completion message to business system
System, so this NPVR content just can be at EPG(Electronic Program Guide, electronic programming dish
Illustrate on singly).
Wherein, storage system includes storage control module and multiple memory module, and the quantity of memory module is permissible
Size of data according to storage determines.Storage control module is used for controlling multiple memory module and stores and broadcast
Put operation, and for communicating with CDN system, operation system, terminal unit.
Terminal unit is when this NPVR content of program request, and operation system notice storage system, storage system will
The storage location address of NPVR content returns to operation system；User terminal, by this address, accesses storage
NPVR content in system, completes NPVR service；Detailed process described below:
Step S1031, terminal unit sends NPVR order request to operation system；
Step S1032, after operation system receives NPVR order request, sends NPVR point to storage system
Broadcast request message；
Step S1033, after storage system receives NPVR order request, searches this NPVR order request pair
The storage address of the NPVR file answered, and storage address is sent to operation system as returning message；
Step S1034, after operation system receives return message, is sent to terminal unit by described return message；
Step S1035, terminal unit, according to described return message, sends playing request to storage system；
Step S1036, after storage system receives playing request, sends broadcast code flow to terminal unit.
In above-mentioned steps, can be through but not limited to HTTP between CDN system and storage system
(Hypertext Transport Protocol, HTTP) mode communicates；Storage system and CDN
System can transmit file through but not limited to FTP mode；Can pass through between terminal unit and storage system
But it is not limited to HTTP mode communicate.Terminal unit and operation system and operation system and storage system,
Can communicate through but not limited to HTTP mode between CDN system；Other communication modes can also be used.
As in figure 2 it is shown, the embodiment of the present invention further relates to a kind of NPVR business realizing realizing said method
Device, including:
Operation system 202, sends NPVR request to CDN system 203 after being used for receiving NPVR request；
Wherein, NPVR request is that terminal unit 201 sends to operation system 202.
CDN system 203, carries out recording joint for controlling the CDN node corresponding with described NPVR request
Mesh, after recording program completes, CDN system sends storage request to storage system 204.
Storage system 204, for according to described storage request, obtaining record from described CDN system 203
The NPVR file that program processed obtains, and preserve, then notify operation system by CDN system 203
202NPVR business completes.
Wherein, operation system 202, it is additionally operable to receive terminal unit 201 and sends NPVR point to operation system
After broadcasting request, send NPVR order request message to storage system 204；And be used for receiving storage system
After the return message of 204, described return message is sent to terminal unit 201；Terminal unit 201 basis
Described return message, sends playing request to storage system 204；
Storage system 204, after being additionally operable to receive NPVR order request, searches this NPVR order request pair
The storage address of the NPVR file answered, and storage address is sent to operation system 202 as returning message；
And, after receiving the playing request that terminal unit 201 sends, send broadcast code flow to terminal unit 201.
Communicated by HTTP mode between CDN system 203 with storage system 204；Storage system 204
And use FTP mode to transmit file between CDN system 203；Terminal unit 201 and storage system 204
Between communicated by HTTP mode.
Below, it is described in detail with an instantiation:
As it is shown on figure 3, the embodiment of the present invention mainly includes operation system, CDN system, storage system with
And terminal unit.Wherein, operation system contains EPG and CP(Control Point, service control point)；
CDN system includes control module and multiple media server, and wherein, control module is for multiple media
Server is managed, and to carry out information mutual with operation system and storage system；Newly-increased storage system
Including storage control module and memory module, storage control module is responsible for this storage system, and and CDN
System, operation system, terminal unit carry out interacting message；The major function of storage system is to preserve NPVR
File, in order to after CDN system NPVR is aging, it is provided that NPVR business service.
In the present embodiment, the form of NPVR file is MPG(Moving Pictures Experts Group,
Dynamic image expert group), storage system is with FTP(File Transfer Protocol, file transfer protocol (FTP)) side
Formula copies NPVR file from CDN system.
NPVR request flow process comprises the following steps:
Step 300: terminal unit initiates NPVR request to operation system；
Step 301: after operation system receives NPVR request, it is judged that whether this user terminal has NPVR
Authority, if having authority, then return successful respond is to terminal unit, otherwise returns failure, Flow ends；
Step 302: operation system sends NPVR request to the control module of CDN system；
After the control module of step 303:CDN system receives NPVR request, to corresponding with this terminal unit
Media server issue recording request；
After step 304:NPVR node has been recorded, return to the control module of CDN system and record result,
If recording successfully, then returning successfully, this NPVR flow process continues；If failure, then return failure, and to industry
Business system reports failure, flow process to terminate；
After the control module of step 305:CDN system receives the recording success that NPVR node device reports,
By HTTP mode, the storage control module to storage system sends storage request；
Step 306: after the storage control module of storage system receives storage request, return to CDN system
Response；
Step 307: storage request is sent to memory module by the storage control module of storage system；
Step 308: after memory module receives storage request, obtained from CDN system by FTP mode
Corresponding NPVR file；
Step 309: after storage system copy completes NPVR file, notify storage control module；
Step 310: after storage control module receives NPVR completion message, the control of notice CDN system
Module；
NPVR completion message is notified operation system by the control module of step 311:CDN system, disappears at this
In breath containing storage system control module address information, operation system after receiving message, NPVR
Program request in programme.
Subscriber terminal equipment (such as Set Top Box) order request NPVR flow process:
Step 312: terminal unit sends (being sent by HTTP mode) NPVR program request to operation system
Request；
Step 313: after operation system receives NPVR order request, to the storage control module of storage system
Send NPVR order request message；
Step 314: after storage control module receives NPVR order request, searching please with this NPVR program request
Seek the memory module at corresponding NPVR file place, and the address information that this NPVR file stores is returned
Back to operation system；
Step 315: after operation system receives return message, transmit the message to terminal unit；
Step 316: terminal unit is according to returning message, and the memory module to storage system sends playing request；
Step 317: after memory module receives playing request message, sends broadcast code flow to terminal unit, complete
Become NPVR content-on-demand flow process.
It should be understood that in the present embodiment, by HTTP mode between CDN system and storage system
Communication, between memory module and CDN system, the transmission of file uses FTP mode, terminal unit and business
Communicated by HTTP mode between system, other different media the most also can be used mutual
Agreement and file, be not limited to only aforesaid way and could realize the present invention.It addition, this reality
Execute the MPG form of example NPVR file, other coded format can also be used in actual applications, than
Such as MP4, MPEG-4 etc., the coded format of media is without being defined in the present embodiment specific form.
As can be seen from the above-described embodiment, the present invention realizes NPVR business, it is achieved that with CDN system
Separate, by CDN system by NPVR content storage system, the NPVR in CDN system
Content is no longer filed, but as common TVOD contents processing, after reaching ageing time, it is possible to
Carry out burin-in process (deletion)；And during this NPVR content of terminal unit program request, storage system provide NPVR
Playing service, and then solve owing to user increases, NPVR business demand increases, and the CDN caused
The problem that system memory space is nervous.
Although being example purpose, having been disclosed for the preferred embodiments of the present invention, those skilled in the art will
It is also possible for recognizing various improvement, increasing and replace, therefore, on the scope of the present invention should be not limited to
State embodiment.
Claims (10)
1. the method for a network individual video recorder service, it is characterised in that including:
After operation system receives network individual video recording NPVR request, send out to content distributing network CDN system
NPVR is sent to ask；
CDN system controls the CDN node corresponding with described NPVR request and carries out recording program, records joint
After mesh completes, not issuing filing task to described CDN node, CDN system is sent out to newly-increased storage system
Send storage request；
Described storage system, according to described storage request, obtains recording program from described CDN system and obtains
NPVR file, and preserve, then completed by CDN system notice operation system NPVR business.
2. the method for network individual video recorder service as claimed in claim 1, it is characterised in that
After NPVR business completes, also include:
Terminal unit sends NPVR order request to operation system；
After operation system receives NPVR order request, send NPVR order request to described storage system
Message；
After described storage system receives NPVR order request, search this NPVR order request corresponding
The storage address of NPVR file, and storage address is sent to operation system as returning message；
After operation system receives return message, described return message is sent to terminal unit；
Terminal unit, according to described return message, sends playing request to described storage system；
After described storage system receives playing request, send broadcast code flow to terminal unit.
3. the method for network individual video recorder service as claimed in claim 2, it is characterised in that CDN
All by HTTP side between system and described storage system and between terminal unit and described storage system
Formula communicates.
4. the method for network individual video recorder service as claimed in claim 3, it is characterised in that institute
State and between storage system and CDN system, use FTP mode to transmit file.
5. the method for the network individual video recorder service as described in any one of Claims 1 to 4, its feature
It is, after NPVR business completes, also includes:
When reaching ageing time, CDN system carries out aging delete processing.
6. the device of a network individual video recorder service, it is characterised in that including:
Operation system, is used for receiving network individual video recording NPVR request backward content distributing network CDN system
System sends NPVR request；
CDN system, carries out recording program for controlling the CDN node corresponding with described NPVR request,
After recording program completes, not issuing filing task to described CDN node, CDN system is to newly-increased storage
System sends storage request；
Described storage system, for according to described storage request, obtaining and record joint from described CDN system
The NPVR file that mesh obtains, and preserve, then notify operation system NPVR business by CDN system
Complete.
7. the device of network individual video recorder service as claimed in claim 6, it is characterised in that
Operation system, is additionally operable to receive terminal unit after operation system sends NPVR order request, to institute
State storage system and send NPVR order request message；And for receiving the return message of described storage system
After, described return message is sent to terminal unit；Terminal unit, according to described return message, is deposited to described
Storage system sends playing request；
Described storage system, after being additionally operable to receive NPVR order request, searches this NPVR order request
The storage address of corresponding NPVR file, and storage address is sent to operation system as returning message；
And, after receiving the playing request that terminal unit sends, send broadcast code flow to terminal unit.
8. the device of network individual video recorder service as claimed in claim 7, it is characterised in that CDN
All by HTTP side between system and described storage system and between terminal unit and described storage system
Formula communicates.
9. the device of network individual video recorder service as claimed in claim 8, it is characterised in that institute
State and between storage system and CDN system, use FTP mode to transmit file.
10. the device of the network individual video recorder service as described in any one of claim 6～9, its feature
It is, also includes:
CDN system, after NPVR business completes, reaches to carry out aging delete processing during ageing time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210282376.7A CN102833579B (en) | 2012-08-09 | 2012-08-09 | A kind of method and device of network individual video recorder service |
| PCT/CN2013/079745 WO2014023155A1 (en) | 2012-08-09 | 2013-07-19 | Method and device for implementing network personal video recorder service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210282376.7A CN102833579B (en) | 2012-08-09 | 2012-08-09 | A kind of method and device of network individual video recorder service |
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| CN102833579A CN102833579A (en) | 2012-12-19 |
| CN102833579B true CN102833579B (en) | 2016-08-31 |
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| CN102833579B (en) * | 2012-08-09 | 2016-08-31 | 山东智慧生活数据系统有限公司 | A kind of method and device of network individual video recorder service |
| CN106658152B (en) * | 2015-07-29 | 2020-06-02 | 中兴通讯股份有限公司 | OTT-based NPVR (neutral Point virtual reality) implementation method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610162A (en) * | 2008-06-16 | 2009-12-23 | 华为技术有限公司 | A kind of method, system and equipment that content is provided based on reciprocity storage networking |
| CN101697548A (en) * | 2009-10-23 | 2010-04-21 | 中兴通讯股份有限公司 | Implementation method and management system of node cooperation |
| CN101729272A (en) * | 2008-10-27 | 2010-06-09 | 华为技术有限公司 | Method, system and device for content distribution, and media server |
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| CN101621545B (en) * | 2009-07-07 | 2012-11-14 | 中兴通讯股份有限公司 | Device and method for pulling down media resource towards terminal device |
| CN102833579B (en) * | 2012-08-09 | 2016-08-31 | 山东智慧生活数据系统有限公司 | A kind of method and device of network individual video recorder service |
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- 2012-08-09 CN CN201210282376.7A patent/CN102833579B/en active Active
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610162A (en) * | 2008-06-16 | 2009-12-23 | 华为技术有限公司 | A kind of method, system and equipment that content is provided based on reciprocity storage networking |
| CN101729272A (en) * | 2008-10-27 | 2010-06-09 | 华为技术有限公司 | Method, system and device for content distribution, and media server |
| CN101697548A (en) * | 2009-10-23 | 2010-04-21 | 中兴通讯股份有限公司 | Implementation method and management system of node cooperation |
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| WO2014023155A1 (en) | 2014-02-13 |
| CN102833579A (en) | 2012-12-19 |
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