JP5269208B2 - データ配信方法及び装置 - Google Patents
データ配信方法及び装置 Download PDFInfo
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- JP5269208B2 JP5269208B2 JP2011549442A JP2011549442A JP5269208B2 JP 5269208 B2 JP5269208 B2 JP 5269208B2 JP 2011549442 A JP2011549442 A JP 2011549442A JP 2011549442 A JP2011549442 A JP 2011549442A JP 5269208 B2 JP5269208 B2 JP 5269208B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
-
- 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
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
-
- 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
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1008—Server selection for load balancing based on parameters of servers, e.g. available memory or workload
-
- 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
- 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
- H04L67/1061—Peer-to-peer [P2P] networks using node-based peer discovery mechanisms
- H04L67/1063—Discovery through centralising entities
-
- 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
-
- 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
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23113—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving housekeeping operations for stored content, e.g. prioritizing content for deletion because of storage space restrictions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
-
- 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
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
-
- 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
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17336—Handling of requests in head-ends
Description
Claims (7)
- ピア・ツー・ピア・ネットワークのピアが他のピアにデータを提供することを可能にするために、ピアにデータを配信する方法であって、
1つ以上のデータ・サーバから、複数のデータ受信ピアにデータ項目を送信するステップと、
前記データ項目を保存するために利用可能な十分な保存容量を有するデータ受信ピアの数が、事前に規定した最小数未満であるかを判定するステップと、
前記最小数未満であれば、十分な保存容量を利用可能にするために、保存済データを削除するステップと、
を含み、
前記データ項目を保存するために利用可能な十分な保存容量を有するデータ受信ピアの数が、事前に規定した最小数未満であるかを判定する前記ステップは、
各データ受信ピアで、十分な保存容量を利用可能であれば、前記データ項目を保存して、前記データ項目の保存をトラッカに報告するステップと、
前記トラッカにおいて、前記ピアが保存しているデータのレコードを維持し、前記データ項目が、前記事前に規定された最小数のピアで保存されているかを判定するステップと、
を含み、
十分な保存容量を利用可能にするために、保存済データを削除する前記ステップは、
前記トラッカにおいて、前記データ項目を保存していないデータ受信ピアを特定し、該データ受信ピアから削除できる保存済データを特定するために、前記ピアが保存しているデータの前記レコードを使用し、前記特定した保存済データを削除するために、前記データ項目を保存していないデータ受信ピアに命令を送信するステップと、
前記データ項目を保存していないデータ受信ピアにおいて、前記トラッカからの命令を受信すると、前記特定した保存済データを削除するステップと、
を含むことを特徴とする方法。 - 前記データ項目を保存していないデータ受信ピアにおいて、前記保存済データの削除の後に、前記保存済データの削除を前記トラッカに報告するステップと、
前記トラッカにおいて、前記保存済データを削除したことの報告を受信し、前記ピアが保存しているデータの前記レコードを更新し、前記データ項目を保存していないデータ受信ピアに前記データ項目を再送信させる命令を前記データ・サーバに送信するステップと、
前記データ・サーバにおいて、前記データ項目を保存していないデータ受信ピアに前記データ項目を再送信するステップと、
をさらに含むことを特徴とする請求項1に記載の方法。 - ピア・ツー・ピア・ネットワークのトラッカを動作させる方法であって、
ピアが保存したデータ項目の報告を前記ピアから受信するステップと、
前記ピアが保存しているデータのレコードを維持するステップと、
前記データ項目が、事前に規定した最小数のピアで保存されているかを判定するステップと、
保存されていなければ、前記データ項目を保存していないピアを特定し、前記データ項目を保存していないピアから削除できる保存済データを特定し、前記特定した保存済データの削除を、前記データ項目を保存していない1つ以上のピアに命令するステップと、
を含むことを特徴とする方法。 - 前記保存済データの削除の確認を受信すると、前記ピアが保存しているデータの前記レコードを更新し、前記保存済データの削除を行ったピアへの前記データ項目の再送信を、1つ以上のデータ配信サーバに命令するステップをさらに含む、
ことを特徴とする請求項3に記載の方法。 - 前記データ項目はビデオであり、前記ピアは、ビデオ・オン・デマンド・システムにおけるクライアントである、
ことを特徴とする請求項1から4のいずれか1項に記載の方法。 - ピア・ツー・ピア・ネットワークにおけるトラッカとして動作する様に構成された装置であって、
ピアからメッセージを受信する受信機と、
前記ピアにメッセージを送信する送信機と、
データ・サーバにメッセージを送信する送信機と、
前記ピアが保存しているデータのレコードを維持するメモリ・ユニットと、
プロセッサ・ユニットと、
を備えており、
前記プロセッサ・ユニットは、データ項目の保存を報告するピアから、事前に規定した最小数のメッセージを、前記トラッカが受信したかを判定し、受信していなければ、削除できる保存済データを選択し、前記データ項目を保存していない1つ以上のピアに、前記保存済データの削除を命令するメッセージを生成し、前記保存済データの削除確認を受信すると、前記保存済データの削除が確認されたピアへの前記データ項目の再送信を1つ以上のデータ・サーバに命令するメッセージを生成する、
ことを特徴とする装置。 - 前記データ項目は、ビデオであり、前記ピアは、ビデオ・オン・デマンド・システムにおけるクライアントである、
ことを特徴とする請求項6に記載の装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2009/051860 WO2010094322A1 (en) | 2009-02-17 | 2009-02-17 | Method and apparatus for distributing data in a peer-to- peer network |
Publications (2)
Publication Number | Publication Date |
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JP2012518299A JP2012518299A (ja) | 2012-08-09 |
JP5269208B2 true JP5269208B2 (ja) | 2013-08-21 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011549442A Active JP5269208B2 (ja) | 2009-02-17 | 2009-02-17 | データ配信方法及び装置 |
Country Status (4)
Country | Link |
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US (1) | US20120036105A1 (ja) |
EP (1) | EP2399390A1 (ja) |
JP (1) | JP5269208B2 (ja) |
WO (1) | WO2010094322A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2387177A1 (en) * | 2010-05-11 | 2011-11-16 | Thomson Licensing | Content distribution in a P2P infrastructure by means of multicast connections |
US10108500B2 (en) | 2010-11-30 | 2018-10-23 | Red Hat, Inc. | Replicating a group of data objects within a storage network |
US9311374B2 (en) * | 2010-11-30 | 2016-04-12 | Red Hat, Inc. | Replicating data objects within a storage network based on resource attributes |
US9210451B2 (en) * | 2011-05-19 | 2015-12-08 | The Chinese University Of Hong Kong | Replication decision in P2P VoD systems |
US9699592B2 (en) | 2011-05-20 | 2017-07-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and devices for content distribution |
US9766906B2 (en) | 2011-12-29 | 2017-09-19 | International Business Machines Corporation | Efficient sharing of artifacts between collaboration applications |
JP5743333B2 (ja) * | 2012-08-02 | 2015-07-01 | 京セラドキュメントソリューションズ株式会社 | 画像形成システム及び画像形成システム用プログラム |
US8923880B2 (en) | 2012-09-28 | 2014-12-30 | Intel Corporation | Selective joinder of user equipment with wireless cell |
WO2014107147A1 (en) * | 2013-01-03 | 2014-07-10 | Hewlett-Packard Development Company, L.P. | Identifying an analysis reporting message in network traffic |
US9160515B2 (en) | 2013-04-04 | 2015-10-13 | Intel IP Corporation | User equipment and methods for handover enhancement using scaled time-to-trigger and time-of-stay |
US20180062935A1 (en) * | 2016-08-25 | 2018-03-01 | Futurewei Technologies, Inc. | Hybrid approach with classification for name resolution and producer selection in icn |
CN107846429B (zh) * | 2016-09-18 | 2021-01-29 | 华为技术有限公司 | 一种文件备份方法、装置和系统 |
CN111614978B (zh) | 2018-08-24 | 2022-04-29 | 创新先进技术有限公司 | 一种多媒体物料的处理方法、装置及多媒体播放设备 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020055972A1 (en) * | 2000-05-08 | 2002-05-09 | Weinman Joseph Bernard | Dynamic content distribution and data continuity architecture |
US20020131428A1 (en) * | 2001-03-13 | 2002-09-19 | Vivian Pecus | Large edge node for simultaneous video on demand and live streaming of satellite delivered content |
US20040187159A1 (en) * | 2003-03-19 | 2004-09-23 | Concurrent Computer Corporation, A Delaware Corporation | Multi-tiered content management system |
US7986686B2 (en) * | 2005-11-25 | 2011-07-26 | Cisco Technology, Inc. | Techniques for distributing network provider digital content to customer premises nodes |
US8707375B2 (en) * | 2006-04-05 | 2014-04-22 | At&T Intellectual Property I, L.P. | Peer-to-peer video on demand techniques |
US20080059631A1 (en) * | 2006-07-07 | 2008-03-06 | Voddler, Inc. | Push-Pull Based Content Delivery System |
JP2008035337A (ja) * | 2006-07-31 | 2008-02-14 | Brother Ind Ltd | ノード装置、配信装置、管理装置、情報処理プログラム、コンテンツ配信方法及びコンテンツ配信システム |
US8260881B1 (en) * | 2006-09-06 | 2012-09-04 | Amazon Technologies, Inc. | Remote download of content |
US7849139B2 (en) * | 2007-05-02 | 2010-12-07 | Ouri Wolfson | Adaptive search in mobile peer-to-peer databases |
US8078729B2 (en) * | 2007-08-21 | 2011-12-13 | Ntt Docomo, Inc. | Media streaming with online caching and peer-to-peer forwarding |
-
2009
- 2009-02-17 EP EP20090779065 patent/EP2399390A1/en not_active Ceased
- 2009-02-17 JP JP2011549442A patent/JP5269208B2/ja active Active
- 2009-02-17 WO PCT/EP2009/051860 patent/WO2010094322A1/en active Application Filing
- 2009-02-17 US US13/146,638 patent/US20120036105A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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US20120036105A1 (en) | 2012-02-09 |
JP2012518299A (ja) | 2012-08-09 |
EP2399390A1 (en) | 2011-12-28 |
WO2010094322A1 (en) | 2010-08-26 |
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