WO2007110865B1 - Realtime media distribution in a p2p network - Google Patents

Realtime media distribution in a p2p network

Info

Publication number
WO2007110865B1
WO2007110865B1 PCT/IL2007/000392 IL2007000392W WO2007110865B1 WO 2007110865 B1 WO2007110865 B1 WO 2007110865B1 IL 2007000392 W IL2007000392 W IL 2007000392W WO 2007110865 B1 WO2007110865 B1 WO 2007110865B1
Authority
WO
WIPO (PCT)
Prior art keywords
nodes
media
amplifier
node
bandwidth
Prior art date
Application number
PCT/IL2007/000392
Other languages
French (fr)
Other versions
WO2007110865A1 (en
Inventor
Omer Luzzatti
Ofer Shem-Tov
Oleg Levy
Maxim Levy
Original Assignee
Rayv Inc
Omer Luzzatti
Ofer Shem-Tov
Oleg Levy
Maxim Levy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rayv Inc, Omer Luzzatti, Ofer Shem-Tov, Oleg Levy, Maxim Levy filed Critical Rayv Inc
Priority to EP07736132.7A priority Critical patent/EP2005704B1/en
Priority to US12/294,836 priority patent/US7945694B2/en
Priority to AT07827161T priority patent/ATE551816T1/en
Priority to EP07827161A priority patent/EP2084881B1/en
Priority to PCT/IL2007/001187 priority patent/WO2008038280A2/en
Priority to US12/443,619 priority patent/US20100011103A1/en
Publication of WO2007110865A1 publication Critical patent/WO2007110865A1/en
Publication of WO2007110865B1 publication Critical patent/WO2007110865B1/en
Priority to US13/038,143 priority patent/US8095682B2/en

Links

Classifications

    • 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
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • 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
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1044—Group management mechanisms 
    • H04L67/1048—Departure or maintenance mechanisms
    • 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
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
    • H04L67/1078—Resource delivery mechanisms
    • H04L67/1085—Resource delivery mechanisms involving dynamic management of active down- or uploading connections
    • 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
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1087—Peer-to-peer [P2P] networks using cross-functional networking aspects
    • H04L67/1093—Some peer nodes performing special functions
    • 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
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
    • 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 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6582—Data stored in the client, e.g. viewing habits, hardware capabilities, credit card number
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

Abstract

Nodes in a realtime p2p media distribution can act in the role of 'Amplifiers' to increase the total available bandwidth in the network and thus to improve the quality of the realtime media consumed by the viewers. Examples of such media consumptions are TV channels over the Internet, video on demand films and files, and media files downloaded to be consumed at a later time. Amplifiers are added to the p2p swarm by a mechanism that discovers the need for supplemental bandwidth in the swarm and orders nodes to join the swarm in the role of amplifiers. The amplifiers' main goal is to maximize the amount of bandwidth they supply (upload) to the swarm while minimizing the amount of bandwidth they consume (download).

Claims

39AMENDED CLAIMS received by the International Bureau on 17 September 2007 (17.09.07)
1. A system for enabling a real-time transmission of media in a distributed network of nodes that includes swarm nodes; the swarm nodes include consumer nodes that are configured to process transmitted media; the system is configured to dynamically identify a need for additional bandwidth required to transmit said media, to said consumer nodes, and in response thereto allocating to the swarm nodes at least one amplifier node for providing the additional bandwidth, said at least one amplifier node configured to download less than it uploads, and facilitating the additional bandwidth for the use of said consumer nodes, thereby enabling the transmission of said media.
2. The system according to Claim 1, wherein the system is configured to dynamically identify the need for additional bandwidth using centralized means.
3. The system according to Claim 2, wherein said centralized means includes at least one server node.
4. The system according to Claim 1, wherein the system is configured to dynamically identify the need for additional bandwidth in a distributed fashion.
5. The system according to any one of Claims 2 to 4, wherein said need is triggered by a node suffering from lack of sufficient bandwidth.
6. The system according to Claims 2 or 3, wherein said need is triggered by said centralized means by monitoring the network of portion thereof.
7. The system according to any one of the preceding Claims, ■ further comprising means configured to use criterion for determining the conditions for at least one amplifier to join to the swarm network.
8. The system according to any one of the preceding Claims, further comprising means configured to use criterion for deteraiining the conditions that at least one amplifier leaves the swarm network.
9. The system according to any one of the preceding Claims, further configured to allocate at least one bootstrap amplifier provides an additional amount of bandwidth for guaranteeing a shorter duration from connection to actual viewing, in respect of potential media consumers.
10. The system according to any one of the preceding Claims, wherein each amplifier is capable of downloading given segments of media that are needed by the consumers, in order to provide a qualitative service to the consumers of the content.
11. The system according to Claim 10, wherein said given segments for downloading are decided according to at least one of the following parameters: (i) type of the media to be retrieved, (ii) rare segments in the network, (iii) missing parts needed by the consumers.
12. The system according to any one of the preceding Claims, wherein each amplifier node is configured to operate in order to maximize the amplifier's gain defined as upload bandwidth minus the download bandwidth.
13. The system according to any one of the preceding Claims, wherein each amplifier node is configured to maximize amplifier's gain by increasing and decreasing downloaded bandwidth rate limit in small steps till the maximum Gain is reached.
14. The system according to any one of the preceding Claims, wherein said amplifier node is configured to maximize amplifier's gain by favoring download of segments that are a mathematical combination of at least two actual media segments and that can be uploaded to other nodes.
15. The system according to Claim 14, wherein the mathematical combination being the XOR function.
16. The system according to any one of Claims 2 to 15, wherein number of additional required amplifiers complies with the following equation: missing bandwidth for download equals to or smaller than sum of the Gains (upload minus download) of all the additional amplifiers.
17. A method for enabling a real-time transmission of media in a distributed network of nodes that includes swarm nodes; the swarm nodes include consumer nodes that are configured to process transmitted media; the method comprising: 41
(a) dynamically identifying a need for additional bandwidth required to transmit said media to said consumer nodes;
(b) allocating to the swarm nodes at least one amplifier node for providing the additional bandwidth, said at least one amplifier node configured to download less than it uploads, thereby facilitating the additional bandwidth for the use of said consumer nodes, thereby enabling the transmission of said media.
18. A computer program comprising computer program code means for performing all the steps of Claim 17 when said program is run on a computer.
19. An amplifier node being connectable to a distributed network of nodes that includes swarm nodes; said amplifier node is configured to download less than it uploads; in response to a command said amplifier node is configured to supply an additional bandwidth for transmitting a media to at least one other node of said swarm nodes, thereby said amplifier node facilitates real-time transmission of said media in said distributed network of nodes to said consumer nodes.
20. The amplifier node of claim 19 wherein said command is capable of being triggered when said at least one consumer node is lacking said additional bandwidth, required for the transmission of said media.
21. The amplifier node of claim 19 wherein said other node is a customer node.
22. The amplifier node of claim 19 wherein said other node is an amplifier node.
PCT/IL2007/000392 2006-03-27 2007-03-27 Realtime media distribution in a p2p network WO2007110865A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP07736132.7A EP2005704B1 (en) 2006-03-27 2007-03-27 Realtime media distribution in a P2P network
US12/294,836 US7945694B2 (en) 2006-03-27 2007-03-27 Realtime media distribution in a p2p network
AT07827161T ATE551816T1 (en) 2006-09-28 2007-09-25 SYSTEM AND METHOD FOR PEER-TO-PEER MEDIA STREAMING
EP07827161A EP2084881B1 (en) 2006-09-28 2007-09-25 System and methods for Peer-to-Peer Media Streaming
PCT/IL2007/001187 WO2008038280A2 (en) 2006-09-28 2007-09-25 System and methods for peer-to-peer media streaming
US12/443,619 US20100011103A1 (en) 2006-09-28 2007-09-25 System and methods for peer-to-peer media streaming
US13/038,143 US8095682B2 (en) 2006-03-27 2011-03-01 Realtime media distribution in a p2p network

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US78599106P 2006-03-27 2006-03-27
US60/785,991 2006-03-27
US84767706P 2006-09-28 2006-09-28
US60/847,677 2006-09-28

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/294,836 A-371-Of-International US7945694B2 (en) 2006-03-27 2007-03-27 Realtime media distribution in a p2p network
US13/038,143 Continuation US8095682B2 (en) 2006-03-27 2011-03-01 Realtime media distribution in a p2p network

Publications (2)

Publication Number Publication Date
WO2007110865A1 WO2007110865A1 (en) 2007-10-04
WO2007110865B1 true WO2007110865B1 (en) 2007-11-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2007/000392 WO2007110865A1 (en) 2006-03-27 2007-03-27 Realtime media distribution in a p2p network

Country Status (3)

Country Link
US (2) US7945694B2 (en)
EP (1) EP2005704B1 (en)
WO (1) WO2007110865A1 (en)

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Also Published As

Publication number Publication date
EP2005704A1 (en) 2008-12-24
US7945694B2 (en) 2011-05-17
US8095682B2 (en) 2012-01-10
EP2005704B1 (en) 2014-08-27
WO2007110865A1 (en) 2007-10-04
US20110173341A1 (en) 2011-07-14
US20090248872A1 (en) 2009-10-01

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