CN111083519A - VR content distribution system and method based on cloud and edge computing - Google Patents
VR content distribution system and method based on cloud and edge computing Download PDFInfo
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- CN111083519A CN111083519A CN201911073660.1A CN201911073660A CN111083519A CN 111083519 A CN111083519 A CN 111083519A CN 201911073660 A CN201911073660 A CN 201911073660A CN 111083519 A CN111083519 A CN 111083519A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 4
- 208000002173 dizziness Diseases 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 208000012886 Vertigo Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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- 231100000889 vertigo Toxicity 0.000 description 1
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
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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
- H04L67/01—Protocols
- H04L67/131—Protocols for games, networked simulations or virtual reality
-
- 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
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/63—Routing a service request depending on the request content or context
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/194—Transmission of image signals
-
- 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
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/21805—Source of audio or video content, e.g. local disk arrays enabling multiple viewpoints, e.g. using a plurality of cameras
-
- 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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
- H04N21/25875—Management of end-user data involving end-user authentication
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a VR content distribution system and method based on cloud and edge computing, and relates to the technical field of information communication; the system comprises a cloud server, an edge cloud server and a VR terminal, wherein the cloud server is connected with the edge cloud server and is in one-way communication, and the edge cloud server is connected with the VR terminal and is in two-way communication; the method comprises the steps of S1-S11, a client of an S1 VR terminal sends a content acquisition request to a cloud end of a cloud server, after the S2 cloud end receives the client request, the request is authenticated and authorized, a task scheduler determines to schedule to an edge node of the edge cloud server by the S3 cloud end according to user information, and the S4 cloud end inquires the number of resources on the edge node; s5, the cloud end carries out resource scheduling and sends scheduling requests to corresponding edge ends through a message bus; the low time delay of the VR system is realized through the cloud server, the edge cloud server, the VR terminal and the like, and the user is not easy to dizzy.
Description
Technical Field
The invention relates to the technical field of information communication, in particular to a VR content distribution system and method based on cloud and edge computing.
Background
As shown in fig. 3, in the existing centralized cloud computing platform, all VR content requests are sent to the cloud server, and the cloud server feeds back data to the VR terminal device, so that the system delay is large, and a user is more likely to feel dizzy.
Problems with the prior art and considerations:
how to solve the technical problem that users are easy to dizzy caused by VR system time delay.
Disclosure of Invention
The invention aims to solve the technical problem of providing a VR content distribution system and method based on cloud and edge computing, wherein low time delay of a VR system is realized through a cloud server, an edge cloud server, a VR terminal and the like, and vertigo is not easy to generate for users.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a VR content distribution system based on cloud and marginal calculation, includes cloud ware, marginal cloud ware and VR terminal, the cloud ware is connected and one-way communication with marginal cloud ware, marginal cloud ware is connected and two-way communication with the VR terminal.
The further technical scheme is as follows: the system comprises a VR terminal, a cloud server and a client, wherein the VR terminal is used for acquiring content; after receiving the client request, the cloud side authenticates and authorizes the request; the cloud end determines to schedule an edge node of the edge cloud server according to the user information by the task scheduler; the cloud side inquires the number of resources on the edge node; the cloud end carries out resource scheduling and sends scheduling requests to corresponding edge ends through the message bus; the edge message bus receives a scheduling request; the edge terminal processes the metadata in the request, wherein the metadata comprises resource types, resource quantity, mirror image IDs and user data; the edge terminal carries out a scheduling strategy according to the metadata; the edge terminal establishes an instance of the application resource; after the edge terminal resource is established, service starting is carried out; the client obtains video data from the edge server.
The further technical scheme is as follows: still include the VR camera, the VR camera is connected and one-way communication with cloud ware.
A VR content distribution method based on cloud server, edge cloud server and VR terminal, the cloud server is connected with the edge cloud server and is in one-way communication, the edge cloud server is connected with the VR terminal and is in two-way communication, the following operations are executed,
the method comprises the steps that a client side of an S1 VR terminal sends a content obtaining request to a cloud side of a cloud server;
after receiving the client request, the cloud end of S2 authenticates and authorizes the request;
the S3 cloud end determines to dispatch one edge node of the edge cloud server according to the user information by the task scheduler;
the cloud side of the S4 inquires the resource number on the edge node;
s5, the cloud end carries out resource scheduling and sends scheduling requests to corresponding edge ends through a message bus;
s6, the edge message bus receives the scheduling request;
the S7 edge terminal processes the metadata in the request, including resource type, resource quantity, mirror image ID and user data;
s8, the edge terminal carries out a scheduling strategy according to the metadata;
s9, the edge end creates the application resource instance;
s10, starting service after the edge terminal resource is established;
the S11 client obtains video data from the edge-side service.
The further technical scheme is as follows: the video data transmission system is characterized by further comprising a VR camera, the VR camera is connected with the cloud server and is in one-way communication, and the VR camera transmits and stores the video data in the cloud server.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
a VR content distribution system based on cloud and edge computing realizes low time delay of a VR system through a cloud server, an edge cloud server, a VR terminal and the like, and a user is not easy to dizzy.
A VR content distribution method based on cloud and edge computing realizes low time delay of a VR system and prevents users from easily generating dizziness through steps of a cloud server, an edge cloud server, a VR terminal, S1-S11 and the like.
See detailed description of the preferred embodiments.
Drawings
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a flow chart of the present invention;
fig. 3 is a schematic block diagram of the prior art.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
Example 1:
as shown in fig. 1, the invention discloses a cloud and edge computing based VR content distribution system, which comprises a cloud server, an edge cloud server, a VR terminal, a VR camera and an edge cloud module, wherein the cloud server is connected with the edge cloud server and is in one-way communication, the edge cloud server is connected with the VR terminal and is in two-way communication, and the VR camera is connected with the cloud server and is in one-way communication.
The edge cloud module is used for sending a content acquisition request to the cloud end of the cloud server by a client of the VR terminal; after receiving the client request, the cloud side authenticates and authorizes the request; the cloud end determines to schedule an edge node of the edge cloud server according to the user information by the task scheduler; the cloud side inquires the number of resources on the edge node; the cloud end carries out resource scheduling and sends scheduling requests to corresponding edge ends through the message bus; the edge message bus receives a scheduling request; the edge terminal processes the metadata in the request, wherein the metadata comprises resource types, resource quantity, mirror image IDs and user data; the edge terminal carries out a scheduling strategy according to the metadata; the edge terminal establishes an instance of the application resource; after the edge terminal resource is established, service starting is carried out; the client obtains video data from the edge server.
Example 2:
the invention discloses a VR content distribution method based on cloud and edge computing, based on a cloud server, an edge cloud server, a VR terminal and a VR camera, wherein the cloud server is connected with the edge cloud server and is in one-way communication, the edge cloud server is connected with the VR terminal and is in two-way communication, the VR camera is connected with the cloud server and is in one-way communication, and the following operations are executed,
the client side of the S1 VR terminal sends a content acquisition request to the cloud side of the cloud server.
And after receiving the client request, the cloud terminal of S2 authenticates and authorizes the request.
And the S3 cloud determines to dispatch one edge node of the edge cloud server according to the user information by the task scheduler.
The S4 cloud queries the resource number on the edge node.
And S5, the cloud end carries out resource scheduling and sends scheduling requests to corresponding edge ends through the message bus.
The S6 edge message bus receives the scheduling request.
The S7 edge processes the metadata in the request, including resource type, resource quantity, image ID and user data.
And S8 the edge terminal carries out scheduling strategy according to the metadata.
And the S9 edge terminal performs instance creation of the application resource.
And S10, starting the service after the edge terminal resource is established.
The S11 client obtains video data from the edge-side service.
Technical contribution of the present application:
by adding the edge cloud server and cooperating with the cloud server, the request of the terminal user is directly guided to the nearest edge node, the processing and distribution of VR content are completed, bandwidth consumption is reduced as much as possible, and the possibility of network congestion is avoided. Under the interactive scene, the computing task is migrated to the edge cloud side, so that the computing pressure of the terminal is reduced, and better visual experience is provided.
The working process is as follows:
as shown in fig. 2, the following is illustrated:
the S1 client sends a content acquisition request to the cloud.
And after receiving the client request, the cloud terminal of S2 authenticates and authorizes the request.
And the S3 cloud determines which edge node is scheduled by the task scheduler according to the user information.
The S4 cloud queries the number of available resources on the edge node.
And S5, the cloud end carries out resource scheduling and sends scheduling requests to corresponding edge ends through the message bus.
The S6 edge message bus receives the scheduling request.
The S7 edge processes the metadata in the request, including resource type, resource quantity, image ID, user data, etc.
And S8 the edge terminal carries out scheduling strategy according to the metadata.
And the S9 edge terminal performs instance creation of the application resource.
And S10, starting the service after the edge terminal resource is established.
The S11 client obtains video data from the edge-side service.
The advantages are that:
1. low delay
The terminal equipment directly interacts with the edge node close to the user, and the time delay of a transmission layer is reduced.
2. Non-card and non-flower screen
By adopting an RTMP reliable protocol, no packet loss occurs in the transmission process, the edge cloud is accessed to reduce the network congestion probability, and no blockage is caused.
3. Client load mitigation
The complex high-load image processing task is migrated to the edge cloud node from the terminal device, the strong calculation power of the edge cloud node is utilized to rapidly process, the result is returned to the client in real time, and interaction of cloud VR content is achieved. The overall delay is low.
Claims (5)
1. A VR content distribution system based on cloud and edge computing, characterized by: the system comprises a cloud server, an edge cloud server and a VR terminal, wherein the cloud server is connected with the edge cloud server and is in one-way communication, and the edge cloud server is connected with the VR terminal and is in two-way communication.
2. The cloud and edge computing-based VR content distribution system of claim 1, wherein: the system comprises a VR terminal, a cloud server and a client, wherein the VR terminal is used for acquiring content; after receiving the client request, the cloud side authenticates and authorizes the request; the cloud end determines to schedule an edge node of the edge cloud server according to the user information by the task scheduler; the cloud side inquires the number of resources on the edge node; the cloud end carries out resource scheduling and sends scheduling requests to corresponding edge ends through the message bus; the edge message bus receives a scheduling request; the edge terminal processes the metadata in the request, wherein the metadata comprises resource types, resource quantity, mirror image IDs and user data; the edge terminal carries out a scheduling strategy according to the metadata; the edge terminal establishes an instance of the application resource; after the edge terminal resource is established, service starting is carried out; the client obtains video data from the edge server.
3. The cloud and edge computing-based VR content distribution system of claim 1, wherein: still include the VR camera, the VR camera is connected and one-way communication with cloud ware.
4. A VR content distribution method based on cloud and edge computing is characterized in that: based on a cloud server, an edge cloud server and a VR terminal, the cloud server is connected with the edge cloud server and is in one-way communication, the edge cloud server is connected with the VR terminal and is in two-way communication, the following operations are carried out,
the method comprises the steps that a client side of an S1 VR terminal sends a content obtaining request to a cloud side of a cloud server;
after receiving the client request, the cloud end of S2 authenticates and authorizes the request;
the S3 cloud end determines to dispatch one edge node of the edge cloud server according to the user information by the task scheduler;
the cloud side of the S4 inquires the resource number on the edge node;
s5, the cloud end carries out resource scheduling and sends scheduling requests to corresponding edge ends through a message bus;
s6, the edge message bus receives the scheduling request;
the S7 edge terminal processes the metadata in the request, including resource type, resource quantity, mirror image ID and user data;
s8, the edge terminal carries out a scheduling strategy according to the metadata;
s9, the edge end creates the application resource instance;
s10, starting service after the edge terminal resource is established;
the S11 client obtains video data from the edge-side service.
5. The cloud and edge computing based VR content distribution method of claim 4 wherein: the video data transmission system is characterized by further comprising a VR camera, the VR camera is connected with the cloud server and is in one-way communication, and the VR camera transmits and stores the video data in the cloud server.
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CN111885171A (en) * | 2020-07-27 | 2020-11-03 | 长春中国光学科学技术馆 | VR model rapid cloud deployment method |
CN111901173A (en) * | 2020-07-30 | 2020-11-06 | 山东超越数控电子股份有限公司 | Cloud edge cooperative system construction method, device, equipment and readable medium |
CN113395338A (en) * | 2021-06-03 | 2021-09-14 | 天翼阅读文化传播有限公司 | Cloud VR application distribution system based on cloud VR Launcher |
CN113612854A (en) * | 2021-08-16 | 2021-11-05 | 中国联合网络通信集团有限公司 | Communication method, server and terminal based on block chain |
CN114064261A (en) * | 2020-08-07 | 2022-02-18 | 中国科学院沈阳自动化研究所 | Multi-dimensional heterogeneous resource quantification method and device based on industrial edge computing system |
CN114584540A (en) * | 2022-02-22 | 2022-06-03 | 广东精工智能系统有限公司 | MES application method and system based on cloud end and edge end |
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CN115243081A (en) * | 2022-09-23 | 2022-10-25 | 北京润尼尔网络科技有限公司 | Mirror image distribution method based on VR |
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CN114584540A (en) * | 2022-02-22 | 2022-06-03 | 广东精工智能系统有限公司 | MES application method and system based on cloud end and edge end |
CN115243081A (en) * | 2022-09-23 | 2022-10-25 | 北京润尼尔网络科技有限公司 | Mirror image distribution method based on VR |
CN115243081B (en) * | 2022-09-23 | 2022-12-16 | 北京润尼尔网络科技有限公司 | Mirror image distribution method based on VR |
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