CN101286943A - Control method of network television service and network television service system - Google Patents

Control method of network television service and network television service system Download PDF

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Publication number
CN101286943A
CN101286943A CN200810110318.XA CN200810110318A CN101286943A CN 101286943 A CN101286943 A CN 101286943A CN 200810110318 A CN200810110318 A CN 200810110318A CN 101286943 A CN101286943 A CN 101286943A
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Prior art keywords
peer node
data
peer
reception
send
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CN200810110318.XA
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CN101286943B (en
Inventor
李木金
徐火顺
朱兴昌
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ZTE Corp
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ZTE Corp
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Priority to CN200810110318.XA priority Critical patent/CN101286943B/en
Publication of CN101286943A publication Critical patent/CN101286943A/en
Priority to PCT/CN2008/073712 priority patent/WO2009143687A1/en
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Publication of CN101286943B publication Critical patent/CN101286943B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309Transmission or handling of upstream communications
    • H04N7/17318Direct or substantially direct transmission and handling of requests
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1001Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
    • H04L67/1004Server selection for load balancing
    • H04L67/1008Server selection for load balancing based on parameters of servers, e.g. available memory or workload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/104Peer-to-peer [P2P] networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/104Peer-to-peer [P2P] networks
    • H04L67/1061Peer-to-peer [P2P] networks using node-based peer discovery mechanisms
    • H04L67/1068Discovery involving direct consultation or announcement among potential requesting and potential source peers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/104Peer-to-peer [P2P] networks
    • H04L67/1074Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
    • H04L67/1078Resource delivery mechanisms
    • H04L67/1085Resource delivery mechanisms involving dynamic management of active down- or uploading connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control 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
    • H04N21/632Control 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309Transmission or handling of upstream communications
    • H04N7/17336Handling of requests in head-ends
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/61Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/611Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1001Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers

Abstract

The invention discloses a network TV service control method and a network TV service system based on peer-to-peer networks. The method comprises the steps that: after receiving data request information sent by receiving peer-to-peer nodes, peer-to-peer nodes with service content send the same part of data with the same content or sectionalized data; the receiving peer-to-peer nodes determine the peer-to-peer node with the service content and fastest data transmission speed as the first sending peer-to-peer node and provide network TV stream service by the data received by the first sending peer-to-peer node. The method of the invention solves the problem of stream service interruption caused by that the peer-to-peer nodes managing/controlling sending content in the present sending area leave the P2P network or the content sending speed of the peer-to-peer nodes is suddenly decreased.

Description

A kind of control method of network TV business and network television business system
Technical field
The present invention relates to the professional technical field of P2P (peer-to-peer network) and IPTV (Web TV), relate in particular to a kind of control method and network television business system of the network TV business based on peer-to-peer network.
Background technology
Stream media technology by sending, receive the decode media datas such as video and sound in real time, is a kind of technology of optimally utilizing network and cpu resource.That is, the stream technology is handled incessantly just as flowing water and is sent data.Along with the deep development of Internet and IPTV, the stream technology is subjected to people's attention more, because user's access bandwidth also is not enough to support the stage having downloaded all media datas in real time and play in real time.
A method commonly used is exactly, and requires receiving node to download all the elements earlier, and then plays this content, and therefore, the user must wait for the time than the download content of growing.Yet existing stream technology can realize the function that the limit " draws " limit " to put ".
As shown in Figure 1, in the P2P network, dissimilar computers 10 is interconnected by network 20.Here, computer 10 is called as peer node.Each peer node 10 is shared its content by network 20 and other peer node.Especially, if first peer node need be stored in the content of second peer node, and obtained this content from second peer node, then second peer node is exactly server, and first peer node is a client.
In Fig. 1,, often will search for the peer node that has certain content, and searched peer node is required to send desired content in the P2P network for the stream service can be provided.So, be required that peer node sends content corresponding as this request responding.For example, suppose that first peer node 11 has content B.MPG and C.MPG, and second peer node 12 has content A.MPG, B.MPG and C.MPG.Under such hypothesis, if first peer node 11 wants to provide the service of A.MPG stream, then first peer node 11 just must be to second peer node, 12 request content A.MPG.So, as this request responding, second peer node 12 sends content A.MPG to first peer node 11.
In the structure based on the P2P network, there is the limitation that side by side provides professional in a peer node, because in the P2P network, many peer node are compared with server, have relatively poor computing capability.Moreover the stream service that is provided is restricted, because peer node can be without any restrictedly leaving corresponding P2P network.
Though have many shortcomings in stream service based on the P2P network, but, along with the enhancing of STB (set-top box) and PC standard, correlation technique many and based on the service of P2P stream has appearred, and one of them is exactly multi-source scheduling scheme (MSS:Multi-Source Scheduling).The content that the multi-source scheduling scheme will send is divided into many zones, and under the control of a pre-determined peer node, content is sent to pre-determined zone.In order to improve the speed that content receives, existing technology is that content is divided into equal fragment, and receives burst from different peer node.Though existing technology has improved the speed of content delivery, but, there is the problem of interrupt flow service in prior art, and this is because if the content transmission rate that the peer node of management/control transmission content has been left P2P network or this peer node current the sending zone in has suddenly reduced.
For this reason, how to design a kind of efficient, practical IPTV operation system, make it to stablize, reliably and efficiently provide IPTV business, promptly become an important topic that must solve on the IPTV service management software design especially.
Summary of the invention
Technical problem to be solved by this invention provides a kind of control method and network television business system of network TV business, solve peer node that management/control in the current sending zone sends content and left the content transmission rate of P2P network or this peer node and reduce suddenly, caused the problem of interrupt flow service.
In order to address the above problem, the invention provides a kind of control method of network TV business, this method comprises based on peer-to-peer network,
A, the peer node that has a business tine send the same part of identical content data or the data of segmentation to receiving peer node after receiving and receiving the request of data information that peer node sends;
B, the fastest described peer node that has business tine of reception peer node specified data transmission rate are that first sends peer node, provide the service of Web TV stream by send the received data of peer node from first.
Further, also can comprise among the described step a of above-mentioned control method,
Described reception peer node is searched for the peer node that has its needed business tine in network, send request of data information to a plurality of peer node that have its needed business tine.
Further, also can comprise among the described step b of above-mentioned control method,
Described reception peer node will be from identical storage that a plurality of peer node received to different reception buffering areas, judge that according to the height of message transmission rate selection sends peer node from a plurality of peer node, wherein, peer node with the fastest message transmission rate is confirmed as first and sends peer node, and the rest may be inferred.
Further, also can comprise among the described step b of above-mentioned control method,
If receiving peer node is interrupted from the data that first sends the peer node reception, when perhaps first message transmission rate that sends peer node unexpectedly reduces, then receive peer node and provide the service of Web TV stream to the user uninterruptedly by the data that comprise identical content that send the peer node reception from second, store these data simultaneously, the rest may be inferred.
Further, also can comprise among the described step b of above-mentioned control method,
Described reception peer node also provides the Web TV stream service of described content in real time to the user when receiving first data that send the peer node transmission.
Further, also can comprise among the described step b of above-mentioned control method,
When described reception peer node provides the service of Web TV stream from first transmission peer node reception data, carry out the storage of data; The reception peer node receives from second transmission data that peer node received simultaneously and stores, and the rest may be inferred.
The present invention also provides a kind of network television business system, and this network television business system comprises a plurality of peer node based on peer-to-peer network, wherein,
Receive peer node, be used for sending request of data information to the peer node that has business tine, the fastest described peer node that has business tine of specified data transmission rate sends peer node for first, provides the service of Web TV stream by send the received data of peer node from first;
Send peer node, after being used to receive the request of data information that receives the peer node transmission, send the same part of identical content data or the data of segmentation to receiving peer node.
Further, above-mentioned network television business system also can comprise, described reception peer node, also be used for having the peer node of its needed business tine in the network search, send request of data information to a plurality of peer node that have its needed business tine, will be from identical storage that a plurality of peer node received to different reception buffering areas, judge that according to the height of message transmission rate selection sends peer node from a plurality of peer node, wherein, peer node with the fastest message transmission rate is confirmed as first and sends peer node, and the rest may be inferred; When receiving first data that send the peer node transmission, also provide the Web TV stream service of described content in real time to the user.
Further, above-mentioned network television business system also can comprise, is interrupted from the data that first sends the peer node reception if receive peer node, when perhaps first message transmission rate that sends peer node unexpectedly reduces, then receiving peer node is further used for
Provide the service of Web TV stream to the user uninterruptedly by the data that comprise identical content that send the peer node reception from second, store these data simultaneously, the rest may be inferred.
Further, above-mentioned network television business system also can comprise, when described reception peer node provides the service of Web TV stream from first transmission peer node reception data, the reception peer node is further used for, receive the storage of back data, receive simultaneously from second and send the data that peer node received and store, the rest may be inferred.
Compared with prior art, use the present invention, having solved peer node that management/control in the current sending zone sends content has left the content transmission rate of P2P network or this peer node and has reduced suddenly, cause the problem of interrupt flow service, making provides the pre-determined peer node of stream service can receive the identical part (or segmentation) of same content simultaneously from a plurality of peer node, and can stablize, reliably and efficiently provides IPTV business.
Description of drawings
Fig. 1 is the schematic diagram of P2P network;
Fig. 2 is the schematic diagram of the content service based on the P2P technology of the present invention;
Fig. 3 is the flow chart of the control method of the network TV business based on peer-to-peer network of the present invention;
Fig. 4 is a realization schematic diagram of serving based on the stream of P2P technology provided by the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
In Fig. 2, many peer node are interconnecting by network 20.In these peer node, a received content provides the peer node of stream service to be received peer node 110 by one of appellation, and, send content and sent peer node 120-150 by appellation to the peer node that receives peer node 110.
As shown in Figure 2, receive other peer node in the peer node 110 search P2P networks, and find to send among the peer node 120-150 and comprise object content A.MPG, so, receive peer node 110 to the transmission peer node 120-150 request target content A.MPG that is found.The transmission peer node 120-150 that has same object content side by side sends same content A.MPG to receiving peer node 110.As described above, transmission peer node 120-150 sends the same part of identical content simultaneously to reception peer node 110, and prior art is realization like this.Prior art is that content segmentation and control are sent corresponding each segmentation of peer node transmission.This is because shake (Jitter) has just taken place when one of transmission peer node that wherein sends the corresponding contents segmentation is left P2P network or its transmission rate and reduced suddenly.Shake (Jitter) indicates the interruption of stream service, thereby existing technology can not provide the service of steady I PTV stream.
Moreover, if pre-determined peer node received content from the P2P network, peer node is wherein often left the P2P network, and network state is often to change, when pre-determined peer node is left the P2P network, shake (Jitter) has just taken place, and the transmission rate of content suddenly reduces.
Therefore, in the present invention, receive peer node receives identical content simultaneously from a plurality of peer node same part, and, select one of them to send peer node and provide the stream service to the user; After receiving content, receive the same part of peer node storage identical content.
As shown in Figure 3, a kind of control method of the network TV business based on peer-to-peer network wherein, comprises at least 3 peer node in the network, may further comprise the steps,
Step 210, reception peer node are searched for the peer node that has its needed business tine in network, send the request of data information to a plurality of peer node that have its needed business tine;
After step 220, the described peer node that has the business tine that receives the peer node needs receive described request of data information, to receiving the data that peer node sends the same part (or segmentation) of identical content data;
Step 230, receiving peer node will be from identical storage that a plurality of peer node received to different reception buffering area, judge that according to the height of message transmission rate selection sends peer node from a plurality of peer node, wherein, peer node with the fastest message transmission rate can be confirmed as first and send peer node, and the rest may be inferred;
Step 240, reception peer node provide the service of IPTV stream by sending the received data of peer node from first to the user; If be interrupted from first data that send the peer node reception, when perhaps first message transmission rate that sends peer node unexpectedly reduces, then receiving peer node provides IPTV stream to serve by paying no attention to continuously disconnectedly from the data that comprise identical content of second transmission peer node reception to the user, store these data simultaneously, the rest may be inferred.
Wherein, receive peer node when receiving first data that send the peer node transmission, the IPTV stream service of described content can also be provided in real time to the user.
When the reception peer node provides the service of IPTV stream from first transmission peer node reception data, carry out the storage of data; The reception peer node receives from second transmission data that peer node received simultaneously and stores, and the rest may be inferred.
A kind of network television business system, this network television business system comprise a plurality of peer node based on peer-to-peer network, wherein,
Receive peer node, be used for sending request of data information to the peer node that has business tine, the fastest described peer node that has business tine of specified data transmission rate sends peer node for first, provides the service of Web TV stream by send the received data of peer node from first;
Send peer node, after being used to receive the request of data information that receives the peer node transmission, send the same part of identical content data or the data of segmentation to receiving peer node.
Described reception peer node, also be used for having the peer node of its needed business tine in the network search, send request of data information to a plurality of peer node that have its needed business tine, will be from identical storage that a plurality of peer node received to different reception buffering areas, judge that according to the height of message transmission rate selection sends peer node from a plurality of peer node, wherein, peer node with the fastest message transmission rate is confirmed as first and sends peer node, and the rest may be inferred; When receiving first data that send the peer node transmission, also provide the Web TV stream service of described content in real time to the user.
If receiving peer node is interrupted from the data that first sends the peer node reception, when perhaps first message transmission rate that sends peer node unexpectedly reduces, then receiving peer node is further used for, provide the service of Web TV stream to the user uninterruptedly by the data that comprise identical content that send the peer node reception from second, store these data simultaneously, the rest may be inferred.
When described reception peer node provides the service of Web TV stream from first transmission peer node reception data, the reception peer node is further used for, receive the storage of back data, receive simultaneously from second and send the data that peer node received and store, the rest may be inferred.
The invention will be further described below in conjunction with instantiation.
Fig. 4 is a realization schematic diagram of serving based on the stream of P2P technology provided by the present invention.
As mentioned above, receive peer node 110 from sending the same part A .MPG that peer node 120-150 receives identical content simultaneously, and, the content A.MPG that storage is received.For example, receive peer node 110 and store first reception buffering area into from first content A.MPG that sends peer node 120 receptions, storage sends A.MPG to the second reception of the content buffering area that peer node 120 receives from second, and storage sends three receptions of content A.MPG to the buffering area that peer node 130 receives from the 3rd.As last described, receive peer node 110 has received identical content simultaneously from the transmission peer node same part A .MPG, and they are stored in different reception buffering areas.Meanwhile, receive one of peer node 110 selections reception buffering area wherein and provide this stream service A.MPG to the user.Can select such reception peer node 110: that reception peer node that receives peer node or in all reception buffering areas, have the fastest transmission rate of in the shortest time, finishing received content.
Provide under the situation of stream service to the user by the content A.MPG that sends peer node 120 receptions from first, so, can store from second content A.MPG that sends peer node 130 receptions, and, can store (perhaps deleting) from the 3rd and the 4th the content A.MPG that send peer node 140 and 150 receptions.Therefore, can select first according to the content transmission rate, second and the 3rd send peer node.For example, peer node with the fastest transmission content rate is confirmed as first and sends peer node, peer node with second the fastest transmission content rate is confirmed as second and sends peer node 130, equally, the peer node with third and fourth the fastest transmission content rate is confirmed as third and fourth and sends peer node 140 and 150.
If first sends that peer node 120 has been left the P2P network or when receiving peer node from first transmission peer node 120 received content A.MPG, first content transmission rate that sends peer node 120 suddenly reduces, then receive peer node 110 and select other a peer node at once, for example, second sends peer node 130, and the content A.MPG that the transmission peer node by new selection is sent provides the stream service.Need more new transmission peer node if receive peer node, then receive the new peer node of peer node search, and, the peer node of selection new search wherein.So, based on being stored in the information that the service of the peer node 110 related content A.MPG that provides stream is provided, the new peer node of being searched for sends the remainder of this content A.MPG.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in technical scope disclosed in this invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (10)

1, a kind of control method of network TV business, this method is characterized in that based on peer-to-peer network, comprise,
A, the peer node that has a business tine send the same part of identical content data or the data of segmentation to receiving peer node after receiving and receiving the request of data information that peer node sends;
B, the fastest described peer node that has business tine of reception peer node specified data transmission rate are that first sends peer node, provide the service of Web TV stream by send the received data of peer node from first.
2, control method as claimed in claim 1 is characterized in that,
Also comprise among the described step a,
Described reception peer node is searched for the peer node that has its needed business tine in network, send request of data information to a plurality of peer node that have its needed business tine.
3, control method as claimed in claim 2 is characterized in that,
Also comprise among the described step b,
Described reception peer node will be from identical storage that a plurality of peer node received to different reception buffering areas, judge that according to the height of message transmission rate selection sends peer node from a plurality of peer node, wherein, peer node with the fastest message transmission rate is confirmed as first and sends peer node, and the rest may be inferred.
4, control method as claimed in claim 3 is characterized in that,
Further comprise among the described step b,
If receiving peer node is interrupted from the data that first sends the peer node reception, when perhaps first message transmission rate that sends peer node unexpectedly reduces, then receive peer node and provide the service of Web TV stream to the user uninterruptedly by the data that comprise identical content that send the peer node reception from second, store these data simultaneously, the rest may be inferred.
5, control method as claimed in claim 3 is characterized in that,
Further comprise among the described step b,
Described reception peer node also provides the Web TV stream service of described content in real time to the user when receiving first data that send the peer node transmission.
6, control method as claimed in claim 3 is characterized in that,
Further comprise among the described step b,
When described reception peer node provides the service of Web TV stream from first transmission peer node reception data, carry out the storage of data; The reception peer node receives from second transmission data that peer node received simultaneously and stores, and the rest may be inferred.
7, a kind of network television business system, this network television business system comprise a plurality of peer node based on peer-to-peer network, it is characterized in that, wherein,
Receive peer node, be used for sending request of data information to the peer node that has business tine, the fastest described peer node that has business tine of specified data transmission rate sends peer node for first, provides the service of Web TV stream by send the received data of peer node from first;
Send peer node, after being used to receive the request of data information that receives the peer node transmission, send the same part of identical content data or the data of segmentation to receiving peer node.
8, network television business system as claimed in claim 7 is characterized in that,
Described reception peer node, also be used for having the peer node of its needed business tine in the network search, send request of data information to a plurality of peer node that have its needed business tine, will be from identical storage that a plurality of peer node received to different reception buffering areas, judge that according to the height of message transmission rate selection sends peer node from a plurality of peer node, wherein, peer node with the fastest message transmission rate is confirmed as first and sends peer node, and the rest may be inferred; When receiving first data that send the peer node transmission, also provide the Web TV stream service of described content in real time to the user.
9, network television business system as claimed in claim 8 is characterized in that,
Be interrupted from the data that first sends the peer node reception if receive peer node, when perhaps first message transmission rate that sends peer node unexpectedly reduces, then receive peer node and be further used for,
Provide the service of Web TV stream to the user uninterruptedly by the data that comprise identical content that send the peer node reception from second, store these data simultaneously, the rest may be inferred.
10, network television business system as claimed in claim 8 is characterized in that,
When described reception peer node provides the service of Web TV stream from first transmission peer node reception data, the reception peer node is further used for, receive the storage of back data, receive simultaneously from second and send the data that peer node received and store, the rest may be inferred.
CN200810110318.XA 2008-05-30 2008-05-30 Control method of network television service and network television service system Expired - Fee Related CN101286943B (en)

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CN200810110318.XA CN101286943B (en) 2008-05-30 2008-05-30 Control method of network television service and network television service system
PCT/CN2008/073712 WO2009143687A1 (en) 2008-05-30 2008-12-25 Network television service control method and network television service system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009143687A1 (en) * 2008-05-30 2009-12-03 中兴通讯股份有限公司 Network television service control method and network television service system
CN110493315A (en) * 2019-07-19 2019-11-22 视联动力信息技术股份有限公司 A kind of call method and device of video communication link

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WO2009143687A1 (en) * 2008-05-30 2009-12-03 中兴通讯股份有限公司 Network television service control method and network television service system
CN110493315A (en) * 2019-07-19 2019-11-22 视联动力信息技术股份有限公司 A kind of call method and device of video communication link
CN110493315B (en) * 2019-07-19 2022-06-14 视联动力信息技术股份有限公司 Method and device for calling video communication link

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