CN108449633A - Set-top box cloud frame based on NFV and service implementation method - Google Patents
Set-top box cloud frame based on NFV and service implementation method Download PDFInfo
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- CN108449633A CN108449633A CN201810240721.8A CN201810240721A CN108449633A CN 108449633 A CN108449633 A CN 108449633A CN 201810240721 A CN201810240721 A CN 201810240721A CN 108449633 A CN108449633 A CN 108449633A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Signal Processing (AREA)
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Abstract
The invention discloses a kind of set-top box cloud frame and service implementation method based on NFV, is related to set-top box technique field.Based on network function virtualize NFV set-top box cloud frame include:Virtual set-top box, south orientation docks at least one virtual set-top box client, and north orientation connection fusion video signal platform and content distributing network CDN platforms, the content source for obtaining virtual set-top box client request, and content source is converted to audio, video data;Virtual set-top box client is set in entity set-top box, for accessing fusion video signal platform by virtual set-top box, receives and show the audio, video data of virtual set-top box passback.The present invention is decoupled by professional ability and hardware capabilities, the virtualization of entity set-top box professional ability is realized, without changing entity top-set hardware, you can obtain the rendering effect of high quality;So that it is freed from heavy hardware performance requirements, meets fusion video signal innovative service deployment request.
Description
Technical field
The present invention relates to fusion Vision Technology fields, are specifically related to a kind of set-top box cloud frame and industry based on NFV
Business implementation method.
Background technology
With 5G and the wide development of light, ultra high-definition video is universal and augmented reality (Augmented Reality, AR)/it is virtual
The prosperity of real (Virtual Reality, VR) technology, big video traffic have become the telecommunications infrastructure after voice, data
Business.In Interactive Internet TV (Internet Protocol Television, IPTV) or internet television (Over
The Top) realize that the Scaledeployment of big video traffic has become the primary demand of home video business on set-top box.Big video industry
The high-end applications of business determine set-top box must have powerful graphics processing unit (Graphics Processing Unit,
GPU), to provide the very-high performance computing capability needed for big video traffic.However, existing set-top box due to by volume, power consumption,
The factors limitation such as heat dissipation and cost, GPU computing capability wretched insufficiencies cannot be satisfied big video real-time rendering and interactive requirements.
And new the of high cost of top-set hardware equipment of development deployment, deployment cycle are long, it is suppressed that the innovation of big video technique and business
Speed.
Invention content
In view of the deficiencies in the prior art, the purpose of the present invention is to provide one kind is virtualized based on network function
The set-top box cloud frame and service implementation method of (Network Function Virtualization, NFV), pass through business
Ability and hardware capabilities decoupling, realize the virtualization of set-top box service ability, meet big video real-time rendering and interactive requirements,
The set-top box new without development deployment, reduces the construction cost of big video traffic, and new big video is realized in conventional set-top box
Business.
The present invention provides a kind of set-top box cloud frame based on NFV comprising:
Virtual set-top box, south orientation dock at least one virtual set-top box client and north orientation connection fusion video signal platform and
Content distributing network CDN platforms, the content source information for being sent out according to virtual set-top box client correspond to content source information
Content source be converted to audio, video data;
Virtual set-top box client in entity set-top box is used to regard by virtual set-top box access fusion
Platform is interrogated, receives and show the audio, video data of the virtual set-top box passback.
Based on the above technical solution, the virtual set-top box includes network function virtualization NFV infrastructure layers
And the EPG service management VNF based on NFV infrastructure layers and multiple 3D fluidisations VNF;
The NFV infrastructure layers are based on GPU server clusters;
The EPG service management VNF is used for after entity set-top box is by merging video signal platform authentication, to the virtual machine
Top box client carries out access authentication, and EPG interface is pushed to the virtual set-top box client;According to the virtual machine top
The content source information that box client is acquired distributes a 3D for the virtual set-top box client and fluidizes VNF, wherein
The content source information is the content source information that user selects on EPG interface, and the content source information corresponds to the content
Source;
User's manipulation command that the 3D fluidisations VNF is used to be sent out according to the virtual set-top box client, by acquisition
The content source returns to the corresponding virtual set-top box client after being converted to the audio, video data.
Based on the above technical solution, the EPG service management VNF includes:
Terminal Access Management is logged in for carrying out access authentication to the virtual set-top box client and managing user
Information;
EPG interface management module, for the EPG interface to be pushed to the virtual set-top box client, management and dimension
Protect the content source on the EPG interface;
Resource scheduling management module is fluidized, for being managed, dispatching and control to all 3D fluidisations VNF.
Based on the above technical solution, between the virtual set-top box client and the 3D of distribution fluidisations VNF
Establish fluidisation service interaction channel.
Based on the above technical solution, the 3D fluidisations VNF includes:
Business application module is used to run the content source;
3D fluidization treatment modules are used to carry out 2D/3D Image Acquisition, image preprocessing and image pressure to the content source
That reduces the staff code and audio data is captured and compressed coding;
Manipulation command parsing module is used to parse the user's manipulation command received, and is sent to the business and answers
With;
Data forwarding module is used to receive user's manipulation command from the virtual set-top box client and be transmitted to
The manipulation command parsing module;The fluidisation service interaction channel is established with the virtual set-top box client, described in reception
Image data after 3D fluidization treatment module codings and audio data, and be forwarded to by the fluidisation service interaction channel described
Virtual set-top box client.
Based on the above technical solution, the fluidisation service interaction channel includes that main channel, display channel, audio are logical
Road, input channel, USB redirect channel and cursor channel;
Establishment, monitoring and cancellation of the main channel for link between end-to-end;
The display channel is used to transmit the image data after the 3D fluidisations VNF codings;
The voice-grade channel is used to transmit the audio data after the 3D fluidisations VNF codings;
The input channel is for transmitting user's manipulation command;
The USB redirects the information that channel is used to transmit the USB device that the virtual set-top box client is connected;
The cursor channel is used to transmit the location information and shape color information of cursor.
Based on the above technical solution, the display channel is held by transport layer RTP over QUIC/TCP agreements
It carries, other channels in the fluidisation service interaction channel are carried by Transmission Control Protocol.
Based on the above technical solution, the virtual set-top box client includes:
EPG interaction logic processing modules are interacted with the EPG service management VNF, for carry out the access authentication,
EPG interface presents and the processing of EPG interface interaction logic;
Logic processing module is fluidized, fluidizing management VNF with the 3D interacts, and is compiled for fluidizing management VNF to the 3D
The image data and audio data of code obtain audio, video data, and the collected institute of forwarding after being received, decrypted and being decompressed
State user's manipulation command.
Based on the above technical solution, the EPG interaction logics processing module and the EPG service management VNF it
Between pass through the data of RESTful interactive interfacing JSON formats.
Based on the above technical solution, the 3D fluidisations VNF of distribution is equipped with the content source, Huo Zhegen in advance
The content source is downloaded according to the content source information.
Based on the above technical solution, the virtual set-top box further includes the language based on the NFV infrastructure layers
Sound identifies VNF.
The big video service implementation method for the set-top box cloud frame that the present invention also provides a kind of using above-mentioned based on NFV,
It the described method comprises the following steps:
After virtual set-top box completes access authentication according to the request of virtual set-top box client, EPG interface is pushed to void
Quasi- set-top box client;
Virtual set-top box client acquires the content source information that user selects on EPG interface and is sent to virtual machine top
Box, the content source include big video traffic;
Virtual set-top box returns to virtual machine after the corresponding content source of the content source information is converted to audio, video data
Top box client, the content source are to obtain fusion video signal platform from fusion video signal platform.
Based on the above technical solution, before the access authentication, the method further includes:
Entity set-top box starts, and carries out fusion video signal platform authentication;
After the fusion video signal platform authentication passes through, the virtual set-top box client is fed back from fusion video signal platform authentication
Virtual set-top box link address and EPG server address are extracted in message, wherein virtual set-top box link address is big video industry
Business access entrance, EPG server address are conventional IPTV or OTT Operational Visit entrances.
Based on the above technical solution, the virtual set-top box include NFV infrastructure layers and based on NFV basis
The EPG service management VNF and multiple 3D of facility layer fluidize VNF;
When the virtual set-top box client software starts, according to the virtual set-top box link address to the EPG industry
Business management VNF initiates access authentication request, if access authentication passes through, gives the EPG page push to the virtual set-top box
Client;Otherwise, refuse access request.
Based on the above technical solution, the content source information that the virtual set-top box client selects the user
It is sent to the EPG service management VNF;
The EPG service management VNF fluidizes the seizure condition of VNF according to the 3D, is the virtual set-top box client
The 3D of distribution one fluidizes VNF, and the address of 3D fluidisations VNF is sent to the virtual set-top box client;
Fluidisation service interaction channel is established between the virtual set-top box client and the 3D of distribution fluidisations VNF, is led to
It crosses the fluidisation service interaction channel and sends user's manipulation command to 3D fluidisations VNF;
The 3D fluidisation VNF download the content source according to the content source information from fusion video signal platform, according to reception
User's manipulation command, return to the corresponding virtual set-top box client after content source is converted to audio, video data
End;
The audio, video data received is decrypted in the virtual set-top box client, decompress after be output to physical machine
The display screen of top box.
Compared with prior art, advantages of the present invention is:NFV infrastructure layers (the NFV of virtual set-top box
Infrastructure, NFVI) hardware use GPU server clusters, by virtual management software KVM and
Openstack platforms are coordinated to access all physical equipments on GPU servers, realize virtual GPU, virtual switch and virtual
The virtualization resources such as storage, virtual execution environment is provided for upper layer, is decoupled by professional ability and hardware capabilities, is realized entity
The virtualization of set-top box service ability, the entity set-top box new without development deployment, reduces the construction cost of big video traffic.From
Business innovation angle, entity set-top box cloud frame can support cloud game, cloud virtual reality, cloud office, cloud education etc.
The business that conventional entity set-top box cannot achieve really breaks business development barrier, solves new business on more than one hundred million set top box
Dispose problem.
Description of the drawings
Fig. 1 is the application schematic diagram of set-top box cloud frame of the first embodiment of the invention based on NFV;
Fig. 2 is the schematic diagram of virtual set-top box in set-top box cloud frame of the second embodiment of the invention based on NFV;
Fig. 3 is the schematic diagram of third embodiment of the invention virtual set-top box and virtual set-top box client;
Fig. 4 is the big video service implementation method flow of set-top box cloud frame of the sixth embodiment of the invention based on NFV
Figure.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Shown in Figure 1, first embodiment of the invention provides a kind of set-top box cloud frame based on NFV comprising empty
Quasi- set-top box and at least one virtual set-top box client, the set-top box cloud frame application in a kind of big video service system,
The operation system includes terminal, edge cloud layer, net distribution layer and managed application data-layer, wherein terminal includes entity set-top box
And in the virtual set-top box client operated above, entity set-top box can be IPTV set top box or OTT set-top box, not make
It limits, edge cloud layer includes virtual set-top box, and net distribution layer includes content distributing network (Content Delivery
Network, CDN) platform, managed application data-layer includes fusion video signal platform, and fusion video signal platform passes through business operation support system
(Business&Operation Support System, BOSS) is connected with cloud service support system, and cloud service support system can
To be management and arranging system (Management and Orchestration, MANO).In the present embodiment, fusion video signal is flat
Platform directly carries out access authentication by virtual set-top box to entity set-top box, provides EPG interface, and pass through content distributing network
CDN platforms distribute content source to virtual set-top box.Virtual set-top box south orientation docks at least one virtual set-top box client, virtually
Set-top box client is set in entity set-top box, and virtual set-top box client is used to access fusion video signal by virtual set-top box flat
Platform receives and shows the audio, video data of virtual set-top box passback.An entity set-top box is shown in Fig. 1 and is transported above
Capable virtual set-top box client, in practical applications, virtual set-top box can dock multiple terminals simultaneously.
Shown in referring to Fig. 1 and Fig. 2, virtual set-top box includes NFV infrastructure layers and based on NFV infrastructure layers
EPG service management virtual network function (Virtual Network Function, VNF) and N number of 3D fluidize VNF, are only shown in Fig. 1
A 3D fluidisations VNF is shown.The hardware of NFV infrastructure layers uses the GPU server clusters by multiple GPU server constructions,
Software is coordinated to access all physical equipments on server using virtual management software KVM and Openstack platform, realizes
The virtualization resources such as virtual GPU, virtual switch and virtual memory, for upper layer provide virtual execution environment.
Virtual set-top box is more demanding to video class GPU process performances, and in one embodiment, single calculate node is minimum
Configuration includes:The CPU of Intel Xeon E5-2650 V4 or more;AMD FirePro S7150X2 and the above performance video card,
Support VGPU characteristics, at least 64G DDR4;At least 4G memories;3.5 inch 6Gb SATA of hard disk 120G SSD, 2000G.Physical machine
The operating system of top box need to support Android 4.0, four core 1.5GHZ and the above CPU.
The VNF of virtual set-top box is managed by Openstack platforms, wherein the Glance components of OpenStack platforms
The virtual machine image file of each VNF in virtual set-top box is managed, Neutron components are that each VNF establishes underlying virtual network,
Nova components create VNF examples, and are managed to its life cycle.In the present embodiment, built-in EPG service management software
One virtual machine fluidizes VNF as EPG service management VNF, a number of other virtual machines of built-in 3D fluidisations software as 3D.
NFV technologies are decoupled by software and hardware and function modeling, using the general purpose hardwares such as x86 and virtualization technology, to hold
Very multi-functional software processing is carried, makes network equipment functional independence in specialized hardware, fully flexible shared and scheduling resource, to
The equipment investment fund for reducing network greatly shortens the exploitation new equipment time of common carrier, realizes earnings target.NFV is also
It can be based on the realization of practical business demand and arrange automation, elastic telescopic, Fault Isolation and automatic diagnosis and reparation etc..According to
NFV technologies are held in the palm, GPU renderings and intelligent processing capacity by entity set-top box etc. are transferred on virtualization network, the network rack
Structure can support big Video Applications innovation deployment, enhance the carrier class managerial ability of end to end network, promote client perception.
EPG service management VNF is used for after entity set-top box is by merging video signal platform authentication, to virtual set-top box client
End carries out access authentication, and EPG interface is pushed to virtual set-top box client;It is acquired according to virtual set-top box client
Content source information distributes a 3D for virtual set-top box client and fluidizes VNF, wherein content source information is user in EPG interface
The content source information of upper selection.EPG management VNF can externally provide service by two ways, and (1) is with the sides service http
Formula provides EPG interface operating and controlling interface service for entity set-top box;(2) it is carried for operation maintenance personnel with visualized operation portal (portal)
For configuration and maintenance of information service.
User's manipulation command that 3D fluidisations VNF is used to be sent out according to virtual set-top box client, the content source of acquisition is turned
Corresponding virtual set-top box client is returned to after being changed to audio, video data.The 3D fluidisations VNF of distribution is equipped with content source in advance,
Or according to content source information download content source.
Specifically, entity set-top box carries out fusion video signal platform authentication when starting.It is empty after fusion video signal platform authentication passes through
Quasi- set-top box client extraction virtual set-top box link address and EPG server from fusion video signal platform authentication feedback message
Location, wherein virtual set-top box link address is big video traffic access entrance, and EPG server address is conventional IPTV or OTT
Operational Visit entrance.
When virtual set-top box client software starts, initiated to EPG service management VNF according to virtual set-top box link address
Access authentication is asked, if access authentication passes through, gives EPG page push to virtual set-top box client;Otherwise, refusal access is asked
It asks.
The content source information that virtual set-top box client acquisition user selects on the EPG pages, is sent to EPG service management
The occupancy situation of VNF, EPG service management VNF inquiry 3D fluidisations VNF, select idle 3D fluidisations VNF to download the content source, together
When by the 3D fluidize VNF IP address and port numbers be sent to virtual set-top box client.
On the basis of first embodiment of the invention, second embodiment of the invention provides a kind of set-top box cloud based on NFV
Change frame, shown in Figure 2, the set-top box cloud frame based on NFV includes that (3D fluidizes VNF-1,3D fluidisations to N number of 3D fluidisations VNF
VNF-2 ..., 3D fluidizes VNF-N), EPG service management VNF manages multiple 3D and fluidizes VNF, and EPG service management VNF includes
Terminal Access Management, EPG interface management module and fluidisation resource scheduling management module.
Terminal Access Management is used to carry out access authentication to virtual set-top box client and manages user login information,
Including providing the services such as user information maintenance, login authentication and authorization of service to the user.
EPG interface management module is used to EPG interface being pushed to virtual set-top box client, manages and safeguard EPG interface
On content source, which can be unified EPG interface.
Fluidisation resource scheduling management module is used to that all 3D fluidisations VNF to be managed, dispatches and be controlled, and has by business
Type carries out different resource distribution capability, provides the management and control to the resource occupation state of user terminal.For example, fluidisation money
Source dispatching management module can fluidize the seizure condition of VNF based on content source information and 3D, be distributed for virtual set-top box client
One 3D fluidizes VNF.
Fluidisation business fluidisation service interaction channel is established between virtual set-top box client and the 3D of distribution fluidisations VNF.
Shown in Figure 2, the set-top box cloud frame based on NFV includes N number of 3D fluidisations VNF, and each 3D fluidisations VNF is wrapped
Include business application module, 3D fluidization treatments module, manipulation command parsing module and data forwarding module.
Business application module runs content source, can run big Video Applications, such as game, VR/AR videos etc..
3D fluidization treatment modules are used to carry out 2D/3D Image Acquisition, image preprocessing and image compression encoding to content source,
And audio data is captured and compressed coding.3D fluidize VNF support H.264, H.265 Video coding and AAC audio codings,
The video that 3D fluidization treatments module exports service application be acquired and image preprocessing after, according to terminal coupling ability into
H.264 or H.265 row compressed encoding such as encodes, while capturing audio pulse code modulation (Pulse Code
Modulation, PCM) data and carry out Advanced Audio Coding (Advanced Audio Coding, AAC) compressed encoding.
Manipulation command parsing module is sent to industry for parsing user's manipulation command that virtual set-top box client is sent out
Business application module.User's manipulation command, which includes user, passes through I/O equipment (such as remote controler, mouse, keyboard, game paddle, body-sensing
Game paddle and gyroscope etc.) manipulation instruction that sends out.
Data forwarding module is used to receive user's manipulation life from virtual set-top box client by fluidizing service interaction channel
It enables and is transmitted to manipulation command parsing module;Image data and audio data after 3D fluidization treatment module codings are received, and is led to
It crosses fluidisation service interaction channel and is forwarded to virtual set-top box client.
On the basis of second embodiment of the invention, third embodiment of the invention provides a kind of set-top box cloud based on NFV
Change frame, fluidisation service interaction channel include main channel, display channel, voice-grade channel, input channel, USB redirect channel and
Cursor channel.
Wherein, establishment, monitoring and cancellation of the main channel for link between end-to-end, display channel is for transmitting 3D fluidisations
Image data after VNF codings, voice-grade channel are used to transmit the audio data after 3D fluidisation VNF codings, and input channel is for passing
User's manipulation command is passed, USB redirects the information that channel is used to transmit the USB device that virtual set-top box client is connected, and leads to
The human-computer interaction that USB mapping modes realize entity set-top box and virtual set-top box is crossed, the business for enabling the more peripheral hardwares of needs to support
It is enough to be run on entity set-top box.Cursor channel is used to transmit the location information and shape color information of cursor.Specifically, display
Channel passes through transport layer RTP (Remote Desktop Protocol, Remote Desktop Protocol) over QUIC (Quick UDP
Internet Connection, the quick internets UDP connection) agreement carrying, meet delay requirement and supports reliability transmission,
Other channels are carried by TCP (Transmission Control Protocol, transmission control protocol) agreement.
On the basis of third embodiment of the invention, fourth embodiment of the invention provides a kind of set-top box cloud based on NFV
Change frame, shown in Figure 3, virtual set-top box client includes EPG interaction logics processing module and fluidisation logic processing module.
EPG interaction logics processing module is interacted with EPG service management VNF, and for carrying out access authentication, EPG interface is presented
With the processing of EPG interface interaction logic.Pass through RESTful interfaces between EPG interaction logics processing module and EPG service management VNF
The data of (Representational state transfer have as state transfer) interaction JSON formats.
Fluidisation logic processing module fluidizes management VNF with 3D and interacts, the image data for fluidizing management VNF codings to 3D
It received, decrypted and decompression obtains audio, video data with audio data, and the collected user's manipulation command of forwarding.
Fluidisation service interaction channel is established between virtual set-top box client and the 3D of distribution fluidisations VNF, wherein data turn
Send out server end of the module as fluidisation service interaction channel, visitor of the fluidisation logic processing module as fluidisation service interaction channel
The transmitting-receiving of control message and data message is completed at family end.
The audio, video data decrypted and decompression obtains is sent to EPG interaction logic processing modules by fluidisation logic processing module
It is shown, the collected user's manipulation command of EPG interaction logic processing modules is defeated in service interaction channel by fluidizing
Enter channel and is forwarded to data transmit-receive module.
In one embodiment, Android APK, wherein view View layers can be used in EPG interaction logics processing module
Realize user's login, user management, server linkage interface, content source list, content source details, content source search, picture matter
Amount setting, automatic speed regulation, network test the speed, delay testing and test interface.User's login, user management, content source list and interior
By Presenter layers of logical process and EPG service management VNF interactions, Presenter layers of logical process is realized to be used appearance source details
Family manages and EPG interface operation logic.The EPG interface of content source operation connects 3D fluidisation management by fluidizing logic processing module
VNF。
On the basis of fourth embodiment of the invention, fifth embodiment of the invention provides a kind of set-top box cloud based on NFV
Change frame, manages VNF in addition to 3D fluidizes VNF and EPG in virtual set-top box, can also increase by entity set-top box cloud business need
Add VNF, shown in Figure 1, virtual set-top box further includes speech recognition VNF, the EPG service management based on NFV infrastructure layers
VNF is managed speech recognition VNF, dispatches and control.
Shown in Figure 4, sixth embodiment of the invention provides a kind of set-top box cloud frame using above-mentioned based on NFV
Big video service implementation method, this method include the following steps:
S110. entity set-top box starts, and carries out fusion video signal platform authentication.After fusion video signal platform authentication passes through, virtually
Set-top box client extraction virtual set-top box link address and EPG server from fusion video signal platform authentication feedback message
Location, wherein virtual set-top box link address is big video traffic access entrance, and EPG server address is conventional IPTV or OTT
Operational Visit entrance.
S120. after virtual set-top box completes access authentication according to the request of virtual set-top box client, EPG interface is pushed
Give virtual set-top box client.Step S120 is specifically included:
When virtual set-top box client software starts, initiated to EPG service management VNF according to virtual set-top box link address
Access authentication is asked, if access authentication passes through, gives EPG page push to virtual set-top box client;Otherwise, refusal access is asked
It asks.
In embodiments of the present invention, access authentication request carries the account authentication information of the set-top box users.Due to
Set-top box bind the original TV programme of set-top box condition reception identity identification information (Condition Access ID,
CAID), and the account authentication information of set-top box users is calculated according to CAID and decruption key and using certain Encryption Algorithm
It arrives, therefore, the account authentication information of set-top box users has uniqueness.
S130. it the virtual set-top box client content source information that is selected on EPG interface of acquisition user and is sent to virtual
Set-top box, content source include big video traffic.
S140. virtual set-top box returns to virtual machine after the corresponding content source of content source information is converted to audio, video data
Top box client, content source are obtained from fusion video signal platform.Merge video signal platform
Virtual set-top box includes NFV infrastructure layers, and the EPG service management VNF based on NFV infrastructure layers and more
A 3D fluidizes VNF.On the basis of sixth embodiment of the invention, seventh embodiment of the invention provides a kind of big video traffic realization
Method, after virtual set-top box client is by access authentication, big video service implementation method specifically includes following steps:
S210. the content source information that user selects is sent to EPG service management VNF by virtual set-top box client.
S220.EPG service management VNF fluidizes the seizure condition of VNF according to 3D, and one is distributed for virtual set-top box client
3D fluidizes VNF, and the address of 3D fluidisations VNF is sent to virtual set-top box client.Specifically, EPG service management VNF is looked into
The occupancy situation for asking 3D fluidisations VNF selects idle 3D fluidisations VNF to download the content source, while by the IP of 3D fluidisations VNF
Location and port numbers are sent to virtual set-top box client.In other examples, the content source that 3D is fluidized in VNF can also adopt
It is disposed with the mode of prepackage.
S230. fluidisation service interaction channel is established between virtual set-top box client and the 3D of distribution fluidisations VNF, passes through stream
Change service interaction channel and sends user's manipulation command to 3D fluidisations VNF.
S240.3D fluidizes VNF according to content source information from fusion video signal platform download content source, is grasped according to the user of reception
Control order, corresponding virtual set-top box client is returned to after content source is converted to audio, video data.
Specifically, 3D fluidisations VNF parses user's manipulation command of reception, the same of big video traffic operation is operated
When, operation data is acquired, compress and is encoded, formation and the matched audio, video data of entity top-set hardware ability lead to
It crosses display channel and voice-grade channel is sent to virtual set-top box client.
S250. virtual set-top box client the audio, video data received is decrypted, decompress after be output to physical machine top
The display screen of box.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (15)
1. a kind of set-top box cloud frame based on NFV, which is characterized in that it includes:
Virtual set-top box, south orientation docks at least one virtual set-top box client and video signal platform and content are merged in north orientation connection
Distribution network CDN platforms, the content source for obtaining virtual set-top box client request, and content source is converted into audio and video number
According to;
Virtual set-top box client in entity set-top box is used to access fusion video signal by the virtual set-top box flat
Platform receives and shows the audio, video data of the virtual set-top box passback.
2. the set-top box cloud frame based on NFV as described in claim 1, it is characterised in that:The virtual set-top box includes
Network function virtualizes NFV infrastructure layers, and the EPG service management VNF based on NFV infrastructure layers and multiple 3D fluidisations
VNF;The NFV infrastructure layers are based on GPU server clusters;
The EPG service management VNF is used for after entity set-top box is by merging video signal platform authentication, to the virtual set-top box
Client carries out access authentication, and EPG interface is pushed to the virtual set-top box client;According to virtual set-top box visitor
The content source information that family end is acquired distributes a 3D for the virtual set-top box client and fluidizes VNF, wherein is described
Content source information is the content source information that user selects on EPG interface, and the content source information corresponds to the content source;
User's manipulation command that the 3D fluidisations VNF is used to be sent out according to the virtual set-top box client, described in acquisition
Content source returns to the corresponding virtual set-top box client after being converted to the audio, video data.
3. the set-top box cloud frame based on NFV as claimed in claim 2, which is characterized in that the EPG service management VNF
Including:
Terminal Access Management logs in letter for carrying out access authentication to the virtual set-top box client and managing user
Breath;
EPG interface management module manages and safeguards institute for the EPG interface to be pushed to the virtual set-top box client
State the content source on EPG interface;
Resource scheduling management module is fluidized, for being managed, dispatching and control to all 3D fluidisations VNF.
4. the set-top box cloud frame based on NFV as claimed in claim 2, it is characterised in that:The virtual set-top box client
Fluidisation service interaction channel is established between the 3D of end and distribution fluidisations VNF.
5. the set-top box cloud frame based on NFV as claimed in claim 4, which is characterized in that the 3D fluidizes VNF and includes:
Business application module is used to run the content source;
3D fluidization treatment modules are used to carry out 2D/3D Image Acquisition, image preprocessing and compression of images to the content source to compile
Code and audio data are captured and compressed coding;
Manipulation command parsing module is used to parse the user's manipulation command received, and is sent to the service application;
Data forwarding module is used to receive user's manipulation command from the virtual set-top box client and be transmitted to described
Manipulation command parsing module;The fluidisation service interaction channel is established with the virtual set-top box client, receives the 3D streams
Change processing module coding after image data and audio data, and by the fluidisation service interaction channel be forwarded to it is described virtually
Set-top box client.
6. the set-top box cloud frame based on NFV as claimed in claim 5, it is characterised in that:The fluidisation service interaction is logical
Road includes main channel, display channel, voice-grade channel, input channel, the redirection channels USB and cursor channel;
Establishment, monitoring and cancellation of the main channel for link between end-to-end;
The display channel is used to transmit the image data after the 3D fluidisations VNF codings;
The voice-grade channel is used to transmit the audio data after the 3D fluidisations VNF codings;
The input channel is for transmitting user's manipulation command;
The USB redirects the information that channel is used to transmit the USB device that the virtual set-top box client is connected;
The cursor channel is used to transmit the location information and shape color information of cursor.
7. the set-top box cloud frame based on NFV as claimed in claim 6, it is characterised in that:The display channel passes through biography
Other channels of defeated layer RTP over QUIC/TCP agreements carrying, the fluidisation service interaction channel are carried by Transmission Control Protocol.
8. the set-top box cloud frame based on NFV as claimed in claim 2, which is characterized in that the virtual set-top box client
End includes:
EPG interaction logic processing modules are interacted with the EPG service management VNF, for carrying out the access authentication, EPG circle
Face presents and the processing of EPG interface interaction logic;
Logic processing module is fluidized, fluidizing management VNF with the 3D interacts, for fluidizing management VNF codings to the 3D
Image data and audio data obtain audio, video data, and the collected use of forwarding after being received, decrypted and being decompressed
Family manipulation command.
9. the set-top box cloud frame based on NFV as claimed in claim 8, it is characterised in that:The EPG interaction logics processing
Pass through the data of RESTful interactive interfacing JSON formats between module and the EPG service management VNF.
10. the set-top box cloud frame based on NFV as claimed in claim 2, it is characterised in that:The 3D fluidisations of distribution
VNF is equipped with the content source in advance, or downloads the content source according to the content source information.
11. such as set-top box cloud frame of claim 2 to 10 any one of them based on NFV, it is characterised in that:It is described virtual
Set-top box further includes the speech recognition VNF based on the NFV infrastructure layers.
12. a kind of big video service implementation method of set-top box cloud frame of use based on NFV, which is characterized in that the side
Method includes the following steps:
After virtual set-top box completes access authentication according to the request of virtual set-top box client, EPG interface is pushed to virtual machine
Top box client;
Virtual set-top box client acquires the content source information that user selects on EPG interface and is sent to virtual set-top box, institute
It includes big video traffic to state content source;
Virtual set-top box returns to virtual set-top box after the corresponding content source of the content source information is converted to audio, video data
Client, the content source are obtained from fusion video signal platform.
13. big video service implementation method as claimed in claim 12, which is characterized in that before the access authentication, institute
The method of stating further includes:
Entity set-top box starts, and carries out fusion video signal platform authentication;
After the fusion video signal platform authentication passes through, the virtual set-top box client from fusion video signal platform authentication feedback message
Middle extraction virtual set-top box link address and EPG server address, wherein virtual set-top box link address is visited for big video traffic
Ask that entrance, EPG server address are conventional IPTV or OTT Operational Visit entrances.
14. big video service implementation method as claimed in claim 13, it is characterised in that:The virtual set-top box includes NFV
Infrastructure layer, and the EPG service management VNF based on NFV infrastructure layers and multiple 3D fluidize VNF;
When the virtual set-top box client software starts, according to the virtual set-top box link address to the EPG business pipe
It manages VNF and initiates access authentication request, if access authentication passes through, give the EPG page push to the virtual set-top box client
End;Otherwise, refuse access request.
15. big video service implementation method as claimed in claim 13, it is characterised in that:
The content source information that the user selects is sent to the EPG service management VNF by the virtual set-top box client;
The EPG service management VNF fluidizes the seizure condition of VNF according to the 3D, is distributed for the virtual set-top box client
One 3D fluidizes VNF, and the address of 3D fluidisations VNF is sent to the virtual set-top box client;
Fluidisation service interaction channel is established between the virtual set-top box client and the 3D of distribution fluidisations VNF, passes through institute
It states fluidisation service interaction channel and sends user's manipulation command to 3D fluidisations VNF;
The 3D fluidisation VNF download the content source according to the content source information from fusion video signal platform, according to the institute of reception
User's manipulation command is stated, the corresponding virtual set-top box client is returned to after content source is converted to audio, video data;
The audio, video data received is decrypted in the virtual set-top box client, decompress after be output to entity set-top box
Display screen.
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