CN106878826A - The method of one species P2P real-time videos forwarding - Google Patents
The method of one species P2P real-time videos forwarding Download PDFInfo
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- CN106878826A CN106878826A CN201710199693.5A CN201710199693A CN106878826A CN 106878826 A CN106878826 A CN 106878826A CN 201710199693 A CN201710199693 A CN 201710199693A CN 106878826 A CN106878826 A CN 106878826A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000011664 signaling Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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]
- H04N21/60—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
- H04N21/632—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 using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices
-
- 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]
-
- 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
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
The present invention relates to technical field of video monitoring, the method of more particularly to species P2P real-time videos forwarding, heretofore described video server is used as main controlled node, other all of video request clients are all as reciprocity video node, the information list of all nodes in main controlled node maintenance system, and manage the addition of reciprocity video node, leave and service request, reciprocity video node has video request person, three functions of video vendor and information communication, wherein video vendor is distributed and managed by main controlled node, simultaneously according to the different demands of video request person（Such as promptness requirement is high, request physical distance is most short, nonessential requesting node）, for it provides optimal video vendor information.Method of the present invention, integrally reduces the bandwidth demand of transmission of video, alleviates the operating load of ISP, improves Video service quality, and with the meaning promoted to field of video transmission.
Description
Technical field
The present invention relates to technical field of video monitoring, and in particular to the method for species P2P real-time videos forwarding.
Background technology
Peer-to-peer network, i.e. peer-to-peer computer network, are a kind of distributions that task and workload are distributed between fellow
Formula application architecture, is a kind of networking or latticed form that P2P computing model is formed in application layer.From literal, P2P can be managed
Solve is P2P computing or peer-to-peer network.P2P is translated into " point-to-point " or " end-to-end " by domestic some media, and academia then unites
One is referred to as peer-to-peer network or P2P computing, and it is defined as：The participant of network shares a part of hardware resource that they are possessed
（Disposal ability, storage capacity, network-connectivity, printer etc.）, these shared resources by network offering services and content,
Can directly be accessed by other peer nodes and need not move through intermediate entities.Participant in this network be both resource, service and
The supplier of content, is again that resource, service and content obtain taker.
Peer-to-peer network is a kind of thought of network structure.It with current network in occupy the client/service of leading position
One essential distinction of device structure is that do not exist Centroid in whole network structure（Or central server）.In P2P structures
In, each node mostly has the function of the aspect of information consumer, informant and information communication etc. three simultaneously.From calculating
For in pattern, P2P has broken traditional Client/Server patterns, and the status of each node in a network is equity
's.Each node both serves as server, for other nodes provide service, while also enjoying the service of other nodes offer.
The client terminal/server structure that leading position is occupied in current network is relatively common in video monitoring system, often
During individual clients request video, single network connection is all set up with video server, if multiple client all asks portion
During same video, video server is also required to set up the video connection of identical way, and the video connection of way at double occupies network
Bandwidth, wastes the substantial amounts of network bandwidth in system.
The content of the invention
The technical problems to be solved by the invention, are directed to above-mentioned technical deficiency, there is provided a species P2P is real-time
The method of video forwarding.
In order to solve the above technical problems, the technical solution adopted in the present invention is：The side of one species P2P real-time videos forwarding
Method, includes video server and main controlled node, and wherein video server is used as main controlled node, and other all of video requests are objective
Family end all as reciprocity video node, specifically includes following steps：
Step A：, it is necessary to carry out Signalling exchange with main controlled node when new reciprocity video node adds system and asks video, from
And obtain ISP；
Step B：New ISP provides video resource service to reciprocity video node, while this node is used as new video
Resource provider is provided out service；
Step C：When reciprocity video node leaves system, main controlled node updates nodal information list.
Preferably, described main controlled node saves all video resource lists, and is provided as original Video service
Person, provides Video service in systems, and described video server saves all nodal information lists, and manages equity and regard
The addition of frequency node, leave and service request.
Preferably, the information of each video resource includes the IP address of resource, service in described video resource list
The port of offer, video flowing title, video flow host-host protocol.
Preferably, described video flow host-host protocol is RTSP real-time video stream protocols.
Preferably, the information of each node includes the IP address of node, service and provides in described nodal information list
Port, video flowing title, video flow host-host protocol, the network state of node, node type.
Preferably, described node type has storage service software, decoder, software client.
Preferably, described reciprocity video node is other all of video request clients, and reciprocity video node has
Video request person, three functions of video vendor and information communication.
Method of the present invention, integrally reduces the bandwidth demand of transmission of video, alleviates the operation of ISP
Load, improves Video service quality, and with the meaning promoted to field of video transmission.
Brief description of the drawings
Fig. 1 is the communication flow figure of the method for species P2P real-time videos forwarding.
Fig. 2 is that the video flowing of the method for species P2P real-time videos forwarding flows to state transition graph.
Fig. 3 is the data flow figure of the method for species P2P real-time videos forwarding.
Specific embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to specific embodiment and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.Additionally, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this
The concept of invention.
Heretofore described video server as main controlled node, other all of video request clients whole conducts
Reciprocity video node, with reference to Fig. 1, the method for species P2P real-time videos forwarding proposed by the present invention includes following steps：
Step A：, it is necessary to carry out information communication with main controlled node when new reciprocity video node adds system and asks video, from
And ISP is obtained, wherein described reciprocity video node is set up with main controlled node and is connected, making requests on resource can use behaviour
Make, the available list of controllable node feedback resources is responded；Reciprocity video node is responded according to the Resources list for receiving, selection request
Resource, will ask the description information of resource to be sent to main controlled node；Description information and equity of the main controlled node according to request resource
Video node information, selects suitable Service provider information to return to requesting node in the Resources list of management.
Step B：New ISP provides video resource service to reciprocity video node, with equity video node conduct
New video resource supplier is provided out service, wherein the ISP that reciprocity video node is known with step A（Other one
Individual reciprocity video node）Network connection is set up, video is obtained by the RTSP real-time videos stream protocol of standard.
Step C：When reciprocity video node leaves system, main controlled node updates nodal information list, wherein reciprocity video section
When point actively leaves system, main controlled node, the nodal information list of main controlled node updating maintenance are notified；Reciprocity video node is passive
When leaving system, main controlled node is by communication detection mode, or downstream site reports the mode of this node failure can be fast
Speed learns node state, updating maintenance nodal information list.
The video flowing of the method for the species P2P real-time videos forwarding with reference to shown in Fig. 2 flows to state transition graph, flows to shape
The conversion of state is node location of the control node in whole video stream transmission procedure for the type according to each node, because
For the time that diverse location obtains video has differences, final node obtains time delay affirmative, the institute bigger than first node of video
The state stated is specifically included：
State 1：Only storage server node visit video flowing, storage server accesses main controlled node, main controlled node and storage
Server is communicated, and storage server is obtained specifies the video of data source to be locally stored.
State 2：During decoder request video flowing, after decoder node is added to camera node by main controlled node, other
Before node, by the arrangement of node-node transmission, decoder can get video flowing with the very first time, it is ensured that it is timely that video shows
Property.
The method of the species P2P real-time videos forwarding with reference to described in the present embodiment, when the transmission road of video flowing 1 in system
Footpath be camera node->During storage server node, in state 1, decoder adds this transmission path, main controlled node adjustment
The service that each reciprocity video node obtains video source provides address, and the service that camera node will turn into decoder node is provided
Person, decoder node turns into the ISP of storage server node.The transmission path of video flowing 1 is adjusted to video camera section
Point->Decoder node->Storage server node, now state 1 be changed into state 2.
State 3：During Web client request video flowing, web client node is added to storage server section by main controlled node
Before point, after other nodes.
The method of the species P2P real-time videos forwarding with reference to described in the present embodiment, when the transmission road of video flowing 1 in system
Footpath be camera node->Decoder node->During storage server node, web client adds this transmission path, master control section
Point adjusts the service offer address that each reciprocity video node obtains video source, and decoder node turns into web client node
ISP, web client node turns into the ISP of storage server node, the transmission path adjustment of video flowing 1
For camera node->Decoder node->Web client node->Storage server node, now state 2 be changed into state
3。
State 4：When decoder is exited, the node after decoder directly accesses the video source of camera node.
The method of the species P2P real-time videos forwarding with reference to described in the present embodiment, when the transmission road of video flowing 1 in system
Footpath be camera node->Decoder node->Web client node->During storage server node, in state 3；Work as solution
When code device node is exited, the ISP of web client node is changed into camera node from decoder node, and transmission path is
Camera node->Web client node->Storage server node, now state 3 become state 4.
When video flowing 1 in system transmission path for camera node->Web client node->Storage server section
During point, in state 4, when web client node is exited, the ISP of storage server node is become by decoder node
Be camera node, transmission path be camera node->Storage server node, now state 4 be changed into state 1.
The data flow figure of the method for the species P2P real-time videos forwarding with reference to shown in Fig. 3, each node obtains video
Data, and for next node provides video data, node obtains video access address by P2P service routines, by other
Node obtains video data.
Data flow explanation：
Stream 1：There are video wall or monitor video to ask, without web client video request, front-end camera uploaded videos are to decoding
Device, decoder changes digital video and video wall or monitor is supplied into analog video, while forwarding video to storage server.
Stream 2：There are video wall or monitor video request and web client video request, leading portion video camera uploaded videos are given
Decoder, decoder changes digital video and video wall or monitor is supplied into analog video, while forwarding video straight to video
Server is broadcast, Living streaming server changes digital video and is supplied to web client to play into web client code stream, while turning
Send out video to storage server.
Stream 3：Asked without video wall or monitor video, there is web client video request, leading portion video camera uploaded videos are given
Living streaming server, Living streaming server is changed digital video and is played into web client, while forwarding video to be taken to storage
Business device.
Stream 4：Without any video request, front-end camera uploaded videos are to storage server.
Modules of the present invention can be integrated in one, it is also possible to be deployed separately.Above-mentioned module can be merged into
One module, it is also possible to be further split into multiple submodule.
It should be appreciated that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent, improvement etc., should be included within the scope of the present invention.Additionally, appended claims purport of the present invention
In the whole changes covered in the equivalents for falling into scope and border or this scope and border and repair
Change example.
Claims (7)
1. the method that a species P2P real-time videos are forwarded, it is characterised in that：Described method includes video server and master control
Node, wherein video server as main controlled node, other all of video request clients all as reciprocity video node,
Specifically include following steps：
Step A：, it is necessary to carry out Signalling exchange with main controlled node when new reciprocity video node adds system and asks video, from
And obtain ISP；
Step B：New ISP provides video resource service to reciprocity video node, while this node is used as new video
Resource provider is provided out service；
Step C：When reciprocity video node leaves system, main controlled node updates nodal information list.
2. the method that species P2P real-time videos according to claim 1 are forwarded, it is characterised in that：Described master control section
Point saves all video resource lists, and as original video service provider, Video service, and institute is provided in systems
The video server stated saves all nodal information lists, and manages the addition of reciprocity video node, leaves and service request.
3. the method that species P2P real-time videos according to claim 2 are forwarded, it is characterised in that：Described video money
The information of each video resource includes the IP address of resource in the list of source, service is provided port, video flowing title, video flowing
Host-host protocol.
4. the method that species P2P real-time videos according to claim 3 are forwarded, it is characterised in that：Described video flowing
Host-host protocol is RTSP real-time video stream protocols.
5. the method that species P2P real-time videos according to claim 1 are forwarded, it is characterised in that：Described node letter
The information of each node includes the IP address of node in breath list, service is provided port, video flowing title, video streaming
Agreement, the network state of node, node type.
6. the method that species P2P real-time videos according to claim 5 are forwarded, it is characterised in that：Described node class
Type has storage service software, decoder, software client.
7. the method that species P2P real-time videos according to claim 1 are forwarded, it is characterised in that：Described equity is regarded
Frequency node is other all of video request clients, and reciprocity video node has video request person, video vendor and information
Three functions of communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710199693.5A CN106878826B (en) | 2017-03-30 | 2017-03-30 | Method for forwarding P2P-like real-time video |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710199693.5A CN106878826B (en) | 2017-03-30 | 2017-03-30 | Method for forwarding P2P-like real-time video |
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| CN106878826A true CN106878826A (en) | 2017-06-20 |
| CN106878826B CN106878826B (en) | 2020-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112203063A (en) * | 2020-12-06 | 2021-01-08 | 北京贝思科技术有限公司 | Distributed implementation method and system for video networking and electronic equipment |
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Date of cancellation: 20221031 Granted publication date: 20200410 Pledgee: Bank of Beijing Limited by Share Ltd. Shijiazhuang branch Pledgor: HEBEI SHANGYUAN INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2021980012206 |
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Denomination of invention: A Kind of P2P Real Time Video Forwarding Method Effective date of registration: 20230731 Granted publication date: 20200410 Pledgee: Bank of Communications Co.,Ltd. Hebei Branch Pledgor: HEBEI SHANGYUAN INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2023980050543 |