CN102811148B - Method and system for business service on basis of local data center - Google Patents
Method and system for business service on basis of local data center Download PDFInfo
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- CN102811148B CN102811148B CN201110147475.XA CN201110147475A CN102811148B CN 102811148 B CN102811148 B CN 102811148B CN 201110147475 A CN201110147475 A CN 201110147475A CN 102811148 B CN102811148 B CN 102811148B
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Abstract
The invention discloses a method and a system for business service on the basis of a local data center. The system comprises a front-end service platform, an external network, a local data center LDC, a local area network and a receiving terminal and the like. The method includes steps of deploying the local data center (hereinafter referred to as LDC) with a storage function in the local area network to be service transfer equipment of data downloading, uploading, storing, transferring and serving; controlling and managing the LDC to receive or download data by the front-end service platform through the external network; and providing local business services for the receiving terminal by the LDC through the local area network. The controlled LDC of the service transfer equipment is deployed in the local area network of a user's house or in a small range, the front-end service platform can be combined with transmitted data in different ways and effectively controls and manages the LDC to serve, idle bandwidth and broadcast channel bandwidth can be utilized sufficiently, users can acquire services more conveniently and effectively, and can also access part of business services stored locally on the condition of bad network connection.
Description
Technical field
The present invention relates to communication and broadcast world, realize business and the technology of service particularly to by local data center
And method.
Background technology
Currently the widely used Internet data center IDC of various Virtual network operators particularly ISP is various industry
Business supplier provides the services such as various the Internet space rentals, and common user can access from oneself nearest IDC and obtain
More preferably faster must service, substantially increase the service quality of miscellaneous service.But when user is subject in itself in access interconnection net spee
Limit or when the bad situation of connection state occurs, user is also relatively difficult to the access of IDC.
When user does not conduct interviews to network, the network insertion of user is in idle state and causes certain waste.
Further, since the development of digital television techniques, how fully digital TV network possesses substantial amounts of cheap broadcast downstream bandwidth,
It is also very important subject under discussion using this resource.
Existing data-pushing, broadcast deposit, the technology such as P2P produces from being also based on these demands, but these technology
In data download is directly carried out by user side, and user side is not subject to data, services front-end control, and the content in user side is not yet
Managed by service front-end, such content provider effectively cannot be managed to user side in front end and service.
Still further aspect data-pushing, broadcast deposit, the technical requirements user side such as P2P carries out data download for a long time online or on
Pass work, and when user side be notebook computer, the mobile terminal such as mobile phone, panel computer and electron number when, often close
Or leave data and download and connect the environment being located, cause to download and interrupt, or processor disposal ability is limited causes several greatly
According to amount download when user operation response slow.
Therefore the present invention proposes the concept of local data center, as the download between service network and user terminal,
Upload, storage and the business device servicing solve problem above.
Content of the invention
The invention discloses a kind of business service method and system based on local data center.The present invention is by controlled industry
Business transferring equipment local data center (hereinafter referred to as LDC) is deployed in user family or the LAN of small range, and front end services are put down
Platform can be combined by various ways and issue data, and effective control and management LDC are serviced, and make full use of idle
Bandwidth and broadcast channel bandwidth, in the case that network connection is bad, user remains able to access and is stored in local part business clothes
Business content, user can more convenient effective acquisition service.
It is an object of the invention to provide a kind of business service method based on local data center, including step：
The local data center (hereinafter referred to as LDC) that A, in a local network deployment possess store function sets as business transfer
Standby；
B, front end services platform are controlled by external network and manage LDC and received or downloading data；
C, LDC pass through LAN provides local service service to receiving terminal.
Further, described LDC is controlled by front end services platform, can pass through outer under the control of front end services platform
Network passive LDC receiving or actively downloading various front end services platform definition in portion's must download data storage, again can be in root
Select to download the optional data of user of front end services platform definition according to user.
Further, the storage region of described LDC is divided into by the memory block of front end services platform management with by user oneself
Control the memory block of management, what the memory block of front end services platform management was used for storing front-end platform definition must download storage
Content, LDC passively can also be received according to the selection of user or actively download the offer of front end services platform other are optional
Select the various data of download, data leaves the memory block being controlled management by user oneself in.
Further, described LDC can also selecting the memory block memory storage of front end services platform management according to user
Content copy to by user oneself control management memory block, to ensure the content of user preferences in front end services platform management
Memory block in be deleted after user can also oneself control management memory block in retain this content.
Further, front end services platform described in step B is responsible for the content entering service system being managed and depositing
Storage.Front end services platform possesses and for content to carry out the functions such as product packing, price and charging, simultaneously according to the paid cases of LDC,
The download of rank and control of authority LDC and storage.
Further, described in step B, front end services platform can realize the control to LDC and management, including the note to LDC
Volume and log in management, the authentication to LDC and certification, the management to LDC memory space and control, the increase of data, deletes and repaiies
Change, flow controls, the operation such as system and software maintenance upgrading.
Further, front end services platform described in step B can be reliable by two-way to the control of LDC and management function
Now it is also possible to be realized by the unidirectional mode such as control message and management information data table that issues.
Further, external network described in step B is one or more of various bilateral networks and unidirectional broadcast network
Combination, includes internet, SDH network, ATM network, PON, various IP data network, Cable Network, ground number
Word tv wireless covering system and digital video broadcast-satellite covering system.
Further, described LDC in order to be adapted to different external networks possess hardware interface corresponding with external network and
Module, is provided simultaneously with corresponding hardware drive program and related application processes software module.
Further, front end services platform described in step B to LDC send various data, send data mode include with
Data broadcast of digital TV mode circulates carousel propelling data, IP multicast or unicast propelling data to LDC, and RSS services, and WEB takes
Business, the mode such as FTP download and P2P download is realized or the combination of above several ways sends data to LDC.Send
Various data can be various texts, web page files, picture file, audio-video document, software installation procedure, database
File etc. data file or real-time audio and video stream or data flow.The content sending is divided into LDC must download storage
Content and the content that download can be selected by user.In order to effectively be managed to LDC, the information of all LDC and mark Ying Qian
Registered in the service platform of end and preserved.
Further, front end services platform described in step B can be moreover it is possible to obstructed while providing various service for LDC
Crossing LDC directly provides various services to user's receiving terminal, makes the receiving terminal can be according to the content of network connection status and LDC
Memory state flexibly obtains service.
Further, LAN described in step C is the LAN of various employing IP agreements, and LAN passes through gateway or other
Access way and external network are attached.
Further, the mode providing local service service to receiving terminal described in step C can be WEB service, FTP clothes
Business, RSS service, network disk are shared, the mode such as file directory service and streaming media service.Business service content includes respectively
Kind Internet service, data storage service, push demand (telecommunication) service, e-magazine newpapers and periodicals, e-book, software storage, digital sound regard
Frequency media distribution etc. content.
Further, receiving terminal described in step C possesses following characteristics：
Described receiving terminal is the various terminal device possessing IP network linkage function, and receiving terminal passes through the special of inside
Receiving terminal software or the local service of browser access LDC offer；
Described receiving terminal can also be without being directly connected to what visiting from outside front end services platform was provided by LDC
Various direct services；
Described receiving terminal can be managed to LDC, mainly to LDC user configuring, personal settings and user
Self-administered memory block is managed, data can be downloaded in the memory space of receiving terminal oneself from LDC it is also possible to
Using the copy content in the memory block of front end services platform management in LDC in LDC the self-administered memory block of user as receipts
Hide long-term preservation；
It is a further object of the present invention to provide a kind of business service system based on local data center is it is characterised in that wrap
Include front end services platform, external network, local data center (hereinafter referred to as LDC), LAN and receiving terminal, wherein,
Described front-end platform is used for management service content, control and management LDC and provides service for receiving terminal；
Described LDC enters to complete under data under the control and management of front end services platform as business transferring equipment, LDC
The work such as carry, upload, store, forward and service；
Described external network is used for transmitting front end services platform to the data communication of LAN and LDC and service；
Described LAN is responsible for transmitting LDC and is arrived the data communication of receiving terminal and service, and forwards flat from front end services
Platform is to the data communication of receiving terminal and service；
Described receiving terminal receives data and the service that LDC is provided with front end services platform.
Further, described LDC can be as autonomous device individualism it is also possible to be embedded in various as functional module
In access device, such as router, family multi-media gateway, DTV STB, IPTV Set Top Box, various modem
And the OUN equipment of passive optical network etc..
System of the present invention pass through front end services platform by various data is activations in user family or small range local
In LDC in net, LDC is controlled and is managed by front-end platform, then by LDC to the receiving terminal in local IP LAN
Miscellaneous service service is provided.
Compared to the prior art, advantage of the invention is that：
Make full use of idle bandwidth and broadcast channel bandwidth, can be combined by various ways and issue data,
In the case that network connection is bad, user remains able to access and is stored in local part business service content, and user can be more just
Prompt acquisition service, improves user service experience.
Available data is pushed, broadcasts and deposit and the content exchange download technology such as P2P, the front end services platform in the present invention
There is to all LDC storage space management, flow controls and the function such as software upgrading is safeguarded is it is ensured that the managing of content and system
Controlled, improve the safety and stability of system.
Data download work can be made independent from various user sides using LDC, LDC download online for a long time
Data, and other tasks can be closed, leave or be executed to receiving terminal at any time, reconnect and access LDC after the completion of data is downloaded
Obtain service.
Content supplier and service provider can carry out electronic newspaper and e-magazine distribution, electronics using LDC
Delivery of books, software are issued, audio-video frequency content is downloaded and the various services such as shared.
Brief description
Fig. 1 be of the present invention the business service system based on local data center structured flowchart.
Fig. 2 is one of the present invention and is embodied as instance system block diagram.
Specific embodiment
With reference to each accompanying drawing, the present invention will be further described in detail with being embodied as example.
Front end services platform, external network, local data center are included based on the business service system of local data center
LDC, LAN and a few part of receiving terminal：
1st, front end services platform
Preferably, front end services platform includes Content Management and storage system, operation management system, data distribution systems
And the subsystem such as portal service system.
Content Management and storage system are responsible for the content entering service system being managed and storing, and include content
The functions such as entrance, examination ＆ verification, edit-modify, form conversion, storage, deletion, cataloging classification and retrieval and inquisition.Various content-datas can
To be various texts, web page files, picture file, audio-video document, software installation procedure, database file etc. data
File.Content Management System also is responsible for migrating placed into service data to content delivering system and portal service system simultaneously.
Operation management system can realize the control to LDC and management, including the registering and logging management to LDC, to LDC
Authentication and certification, the management to LDC memory space and control, the increase of data, deletion and modification, flow control, system and
The operations such as software maintenance upgrading.And these control and the function of management can be realized by two-way communication it is also possible to pass through unidirectional
The mode such as control message and management information data table that issues is realized.In order to effectively be managed to LDC, the information of all LDC and
Mark should be registered in operation management system and be preserved.Operation management system possesses and for content to carry out product packing, price
And the function such as charging, the download of the rank according to LDC and control of authority LDC and storage simultaneously.
Data distribution systems send various data to LDC, issue the network condition different pieces of information of data according to bearing system
Dissemination system may include data broadcast of digital TV front end, multicast streaming server, ftp server, WEB server and
P2P downloads and controls the data distributing system such as server, and the mode sending data is included in data broadcast of digital TV mode to LDC
Circulation carousel propelling data, IP multicast or unicast propelling data, RSS services, WEB service, the side such as FTP download and P2P download
Formula is realized or the combination of above several ways sends data to LDC.The various data sending can be various text literary composition
Part, web page files, picture file, audio-video document, software installation procedure, database file etc. data file or
Real-time audio and video stream or data flow.The content sending is divided into LDC must download the content of storage and can select download by user
Content.
Portal service subsystem can be moreover it is possible to directly not connect to user by LDC while providing various service for LDC
Receive Terminal for service, make receiving terminal can flexibly obtain service according to the content memory state of network connection status and LDC.
Service to LDC can include data download, Supplementing Data, data list acquisition service etc. service, and to receiving terminal
Service is just abundanter, contains all services and most of internet general service of LDC offer.
2nd, external network
For one or more of various bilateral networks and unidirectional broadcast network of combination, include internet, SDH network,
ATM network, PON, various IP data network, Cable Network, terrestrial DTV wireless shrouding system and satellite
Digital television broadcasting covering system.
3rd, local data center LDC
LDC possesses jumbo storage capacity and is controlled by front end services platform, and LDC is as business transferring equipment, LDC
Enter to complete the work such as data download, upload, storage, forwarding and service under the control and management of front end services platform；
LDC passes through the passive reception of external network under the control of front end services platform or actively downloads various data, data
Receive to be stored in LDC after downloading and pass through LAN again to receiving terminal offer miscellaneous service service.
Preferably, LDC can comprise data download, data storage and data, services three parts.
Data download module can either be passed through under the passive reception of external network or active under the control of front end services platform
The LDC carrying various front end services platform definition must download data storage, can select to download front end services according to user again
The optional data of user of platform definition.Download module is also equipped with login front end services platform simultaneously, receiving front-end platform courses disappear
The function such as breath and management information data table.And data download module possesses and external network phase to be adapted to different external networks
The hardware interface answered and module, the such as interface such as the demodulation demultiplexing module of DTV, optical network interface and IP network adapter
Module, is provided simultaneously with corresponding hardware drive program and related application processes software module.
The storage region of LDC is divided into the storage controlling management by the memory block of front end services platform management with by user oneself
Area, the memory block of front end services platform management is used for storing the content that must download storage of front-end platform definition, and LDC is acceptable
Selection according to user is passively received or is actively downloaded other optional various numbers downloaded of front end services platform offer
According to data leaves the memory block being controlled management by user oneself in.LDC can also be according to the selection of user by front end services platform
The content of the memory block memory storage of management copies to the memory block being controlled management by user oneself, to ensure in user preferences
Hold deleted rear user in the memory block of front end services platform management to be somebody's turn to do oneself controlling to retain in the memory block of management
Content.
Data, services thing module utilizes storage region storage content to provide miscellaneous service service to user terminal, and business takes
Business mode can be WEB service, FTP service, RSS service, network disk share, file directory service and streaming media service etc.
Mode is passed through.Business service content includes various Internet services, data storage service, pushes demand (telecommunication) service, e-magazine
Newpapers and periodicals, e-book, software storage, digital audio/video media distribution etc. content；
LDC can be as autonomous device individualism it is also possible to be embedded in various access devices as functional module, such as
Router, family multi-media gateway, DTV STB, IPTV set top box, various modem and passive optical network
OUN equipment etc..
4th, LAN
LAN is the LAN of various employing IP agreements, and LAN passes through gateway or other access way and external network
It is attached.
5th, receiving terminal
Receiving terminal is the various terminal device possessing IP network linkage function, and receiving terminal passes through internal special reception
Terminal software or the local service of browser access LDC offer.Receiving terminal can also be without being directly connected to extranets by LDC
Network accesses the various direct service that front end services platform is provided.Receiving terminal accesses the door in LDC or front end services platform
System obtains various services, and receiving terminal can be managed to LDC, mainly to LDC user configuring, personal settings simultaneously
And the self-administered memory block of user is managed, data can be downloaded to the memory space of receiving terminal oneself from LDC
Interior it is also possible to by the copy content in the memory block of front end services platform management in LDC to the self-administered memory block of user make
Preserve for collection is long-term.
It is as follows that example process is realized in one specific service：
Content Management in front end services platform of data and content and storage system enter whole service system first,
Enter systematically data carry out auditing by Content Management and storage system, the conversion of edit-modify, form, storage, delete, cataloguing point
Class etc. is processed, and realizes the comprehensive management to content.
In front end services platform, the content preparing to reach the standard grade is sent to data distribution system by Content Management and storage system
System, the contents list that Content Management and storage system also need to for LDC to download storage simultaneously is sent to operation management system,
It is easy to operation management system the storage of LDC is managed.
Operation management system in front end services platform needs various information and mark to the LDC in system to store
And management, store the contents list that LDC must download storage, operation management system can be according to the rank to user LDC simultaneously
With authority and the content that must download storage is managed, content is carried out the operation such as product packing, price and charging, simultaneously
Rank according to LDC and authority issue the information such as control message and management information data table to LDC it is also possible to pass through bilateral network
Management LDC.
Data distribution systems send various data to LDC, issue the network condition different pieces of information of data according to bearing system
Dissemination system may include data broadcast of digital TV front end, multicast streaming server, ftp server, WEB server and
P2P downloads and controls the data distributing systems such as server, and the mode sending data includes pushing to LDC circulation carousel with broadcast mode
Data, IP multicast or unicast propelling data, RSS service, WEB service, FTP download and P2P download etc. mode realize it is also possible to
It is the combination of above several ways to LDC transmission data.Send various data can be various texts, web page files,
Picture file, audio-video document, software installation procedure, database file etc. data file or real-time audio and video stream
Or data flow.The content sending is divided into LDC must download the content of storage and the content that can be selected download by user.
In LDC, LDC first passes through door network and is logged in front end services platform, the work of registration can with
Family first accepts to complete during service it is also possible to complete when producing LDC.Only possessing unilateral network such as cable digital TV
During the situation of network insertion, LDC can carry out empowerment management by digital television conditional access system (CA system), and LDC should have
Standby CA deciphering module and unique empowerment management identifying and front end being accepted.
Data download module in LDC is passed through under the passive reception of external network or active under the control of front end services platform
The LDC carrying various front end services platform definition must download data storage, is stored in the memory block of front end services platform management；
Select to download the optional data of user of front end services platform definition according to user simultaneously, be stored in the self-administered memory block of user
Interior.
Content in memory block is provided various services using various IP-based service technologies by LDC in a local network.
The gate system that receiving terminal accesses in LDC or front end services platform obtains various services, and receiving terminal can simultaneously
To be managed to LDC, mainly line pipe is entered to LDC user configuring, personal settings and the self-administered memory block of user
Data can be downloaded in the memory space of receiving terminal oneself it is also possible to by front end services platform pipe LDC from LDC by reason
Copy content in the memory block of reason preserves to the self-administered memory block of user as collection is long-term.
Claims (15)
1. a kind of business service method based on local data center is it is characterised in that include step：
A, in a local network deployment possess the local data center (hereinafter referred to as LDC) of store function as business transferring equipment；
B, front end services platform are controlled by external network and manage LDC and received or downloading data；
C, LDC pass through LAN provides local service service to receiving terminal；
Wherein, front end services platform described in step B can be moreover it is possible to not pass through LDC direct while providing various service for LDC
There is provided various services to user's receiving terminal, make the receiving terminal can be according to the content memory state of network connection status and LDC
Flexibly obtain service.
2. the method for claim 1, can be in front end it is characterised in that described LDC is controlled by front end services platform
Service platform control lower pass through external network passive receive or actively download the LDC that various front end services platforms define must under
Carry data storage, can select to download the optional data of user of front end services platform definition according to user again.
3. the method for claim 1 is it is characterised in that the storage region of described LDC is divided into by front end services platform pipe
The memory block of reason and the memory block being controlled management by user oneself, the memory block of front end services platform management is held level with both hands before being used for storage
The content that storage must be downloaded of platform definition, LDC can also passively be received according to the selection of user or actively be downloaded front end
Other optional various data downloaded that service platform provides, data leaves the memory block being controlled management by user oneself in.
4. the method for claim 1 is it is characterised in that described LDC can also be according to the selection of user by front end services
The content of the memory block memory storage of platform management copies to the memory block being controlled management by user oneself, to ensure user preferences
After content is deleted in the memory block of front end services platform management, user can also retain in the memory block of oneself control management
This content.
5. the method for claim 1 is it is characterised in that front end services platform described in step B is responsible for servicing system to entering
The content of system is managed and stores, and front end services platform possesses and content carried out product packing, price and billing function, simultaneously
The download of paid cases, rank and control of authority LDC according to LDC and storage.
6. the method for claim 1 is it is characterised in that front end services platform described in step B can realize the control to LDC
System and managing, including to the management of the registering and logging of LDC, the authentication to LDC and certification, the management to LDC memory space and control
System, the increase of data, deletion and modification, flow control, system and software maintenance updating operation.
7. the method for claim 1 is it is characterised in that front end services platform described in step B is to the control of LDC and management
Function can be realized by two-way communication it is also possible to issue control message and management information data table mode is realized by unidirectional.
8. the method for claim 1 is it is characterised in that external network described in step B is various bilateral networks and unidirectional
The combination of one or more of radio network, include internet, SDH network, ATM network, PON, various IP data network,
Cable Network, terrestrial DTV wireless shrouding system and digital video broadcast-satellite covering system.
9. the method for claim 1 is it is characterised in that described LDC possesses with outward to be adapted to different external networks
The corresponding hardware interface of portion's network and module, are provided simultaneously with corresponding hardware drive program and related application processes software module.
10. the method for claim 1 is it is characterised in that described front end services platform described in step B sends respectively to LDC
Kind of data, the mode sending data includes circulating carousel propelling data in data broadcast of digital TV mode to LDC, IP multicast or
Unicast propelling data, RSS services, WEB service, and FTP downloads and P2P downloading mode is realized or above several ways
Combination to LDC send data；The various data sending can be various texts, web page files, picture file, audio frequency and video
File, software installation procedure, database file or real-time audio and video stream or data flow；The content sending is divided into the LDC must
The content of storage and the content that can be downloaded must be downloaded by user's selection.In order to effectively be managed to LDC, the information of all LDC
Should be registered in front end services platform with mark and be preserved.
11. the method for claim 1 it is characterised in that described LAN is the LAN of various employing IP agreements, office
Gateway or other access way are crossed by domain Netcom and external network is attached.
12. the method for claim 1 are it is characterised in that provide local service service to receiving terminal described in step C
Mode can be WEB service, FTP service, RSS service, network disk share, file directory service and streaming media service；Industry
Business service content include various Internet services, data storage service, push demand (telecommunication) service, e-magazine newpapers and periodicals, e-book,
Software storage, digital audio/video media distribution.
13. the method for claim 1 are it is characterised in that receiving terminal described in step C possesses following characteristics：
Described receiving terminal is the various terminal device possessing IP network linkage function, and receiving terminal passes through internal special reception
Terminal software or the local service of browser access LDC offer；
Described receiving terminal can also be without by LDC be directly connected to that visiting from outside front end services platform provided each
Plant and directly service；
Described receiving terminal can be managed to LDC, mainly to LDC user configuring, personal settings and user oneself
The memory block of management is managed, and can download in the memory space of receiving terminal oneself it is also possible to incite somebody to action data from LDC
The self-administered memory block of copy content in the memory block of front end services platform management in LDC user in LDC is as collection
Long-term preservation.
A kind of 14. business service systems based on local data center are it is characterised in that include front end services platform, extranets
Network, local data center (hereinafter referred to as LDC), LAN and receiving terminal, wherein,
Described front-end platform is used for management service content, control and management LDC and provides service for receiving terminal；
Described LDC as business transferring equipment, LDC enter to complete under the control and management of front end services platform data download, on
Pass, store, forward and services；
Described external network is used for transmitting front end services platform to the data communication of LAN and LDC and service；
Described LAN is responsible for transmitting LDC and is arrived the data communication of receiving terminal and service, and forwarding from front end service platform to
The data communication of receiving terminal and service；
Described receiving terminal receives data and the service that LDC is provided with front end services platform.
15. systems as claimed in claim 14 are it is characterised in that described LDC can also may be used as autonomous device individualism
To be embedded in various access devices as functional module, described various access devices include any one of following access device
Kind：Router, family multi-media gateway, DTV STB, IPTV set top box, various modem and passive optical network
OUN equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110147475.XA CN102811148B (en) | 2011-06-02 | 2011-06-02 | Method and system for business service on basis of local data center |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110147475.XA CN102811148B (en) | 2011-06-02 | 2011-06-02 | Method and system for business service on basis of local data center |
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| CN102811148A CN102811148A (en) | 2012-12-05 |
| CN102811148B true CN102811148B (en) | 2017-02-22 |
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| CN103369362A (en) * | 2013-04-09 | 2013-10-23 | 陈文胜 | Data dissemination method and related equipment |
| CN103312599A (en) * | 2013-05-09 | 2013-09-18 | 李冰 | Multi-network routing gateway system |
| CN103279797A (en) * | 2013-05-17 | 2013-09-04 | 成都艺创科技有限公司 | Enterprise business gateway |
| CN105744373A (en) * | 2016-02-23 | 2016-07-06 | 福建星网视易信息系统有限公司 | Streaming media playing method and system based on Internet |
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| CN101291277A (en) * | 2008-05-27 | 2008-10-22 | 深圳市宏电技术股份有限公司 | Multimedia information publishing method based on wireless network |
| CN101729273A (en) * | 2008-10-27 | 2010-06-09 | 中国移动通信集团公司 | Streaming media distribution system, method and device |
| CN101583024A (en) * | 2009-06-04 | 2009-11-18 | 中兴通讯股份有限公司 | Distributed network video monitoring system and registration control method thereof |
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