CA2397975C - Method and apparatus for content distribution via non-homogeneous access networks - Google Patents

Method and apparatus for content distribution via non-homogeneous access networks Download PDF

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Publication number
CA2397975C
CA2397975C CA2397975A CA2397975A CA2397975C CA 2397975 C CA2397975 C CA 2397975C CA 2397975 A CA2397975 A CA 2397975A CA 2397975 A CA2397975 A CA 2397975A CA 2397975 C CA2397975 C CA 2397975C
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CA
Canada
Prior art keywords
content
network
packet
server
access network
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA2397975A
Other languages
English (en)
French (fr)
Other versions
CA2397975A1 (en
Inventor
Yong Ho Son
Christopher W. B. Goode
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Comcast IP Holdings I LLC
Original Assignee
Comcast IP Holdings I LLC
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 Comcast IP Holdings I LLC filed Critical Comcast IP Holdings I LLC
Priority claimed from US09/772,288 external-priority patent/US7159233B2/en
Priority claimed from US09/772,287 external-priority patent/US7159235B2/en
Publication of CA2397975A1 publication Critical patent/CA2397975A1/en
Application granted granted Critical
Publication of CA2397975C publication Critical patent/CA2397975C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2801—Broadband local area networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5691—Access to open networks; Ingress point selection, e.g. ISP selection
    • H04L12/5692—Selection among different networks
    • 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
    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
    • 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
    • H04L65/613—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for the control of the source by the destination
    • 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
    • H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
    • 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
    • H04L65/70—Media network packetisation
    • 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
    • H04L65/75—Media network packet handling
    • H04L65/752—Media network packet handling adapting media to network capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/561—Adding application-functional data or data for application control, e.g. adding metadata
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/565—Conversion or adaptation of application format or content
    • 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
    • H04N21/23106—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving caching operations
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2381—Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25866—Management of end-user data
    • H04N21/25875—Management of end-user data involving end-user authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/27—Server based end-user applications
    • H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
    • H04N21/2743—Video hosting of uploaded data from client
    • 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
    • H04N21/472—End-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
    • H04N21/47202—End-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
    • 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
    • H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
    • H04N21/4753—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for user identification, e.g. by entering a PIN or password
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
    • 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
    • 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
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Human Computer Interaction (AREA)
  • Library & Information Science (AREA)
  • Computer Graphics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Information Transfer Between Computers (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
CA2397975A 2000-01-28 2001-01-29 Method and apparatus for content distribution via non-homogeneous access networks Expired - Lifetime CA2397975C (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US17885700P 2000-01-28 2000-01-28
US17881000P 2000-01-28 2000-01-28
US17879500P 2000-01-28 2000-01-28
US17880900P 2000-01-28 2000-01-28
US60/178,795 2000-01-28
US60/178,810 2000-01-28
US60/178,857 2000-01-28
US60/178,809 2000-01-28
US09/772,288 2001-01-29
PCT/US2001/002602 WO2001055860A1 (en) 2000-01-28 2001-01-29 Method and apparatus for content distribution via non-homogeneous access networks
US09/772,288 US7159233B2 (en) 2000-01-28 2001-01-29 Method and apparatus for preprocessing and postprocessing content in an interactive information distribution system
US09/772,287 2001-01-29
US09/772,287 US7159235B2 (en) 2000-01-28 2001-01-29 Method and apparatus for content distribution via non-homogeneous access networks

Publications (2)

Publication Number Publication Date
CA2397975A1 CA2397975A1 (en) 2001-08-02
CA2397975C true CA2397975C (en) 2016-11-01

Family

ID=27558688

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002398071A Abandoned CA2398071A1 (en) 2000-01-28 2001-01-29 A system for preprocessing content for streaming server
CA2397975A Expired - Lifetime CA2397975C (en) 2000-01-28 2001-01-29 Method and apparatus for content distribution via non-homogeneous access networks

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002398071A Abandoned CA2398071A1 (en) 2000-01-28 2001-01-29 A system for preprocessing content for streaming server

Country Status (4)

Country Link
EP (1) EP1252576A4 (de)
AU (2) AU2001237978A1 (de)
CA (2) CA2398071A1 (de)
WO (2) WO2001055860A1 (de)

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US7159235B2 (en) 2000-01-28 2007-01-02 Sedna Patent Services, Llc Method and apparatus for content distribution via non-homogeneous access networks
WO2002015467A1 (es) * 2000-08-08 2002-02-21 Semiconductores Investigación Y Diseño, S.A. (Sidsa) Procedimientos y sistemas de difusion (broadcast) de contenidos de internet, video o audio sin requerimientos de acuerdo previo con el proveedor de servicio, ni canal de retorno
FI20011871A (fi) * 2001-09-24 2003-03-25 Nokia Corp Multimediadatan prosessointi
JP4132788B2 (ja) * 2001-11-15 2008-08-13 三菱電機株式会社 データ通信装置
US7043559B2 (en) * 2002-06-27 2006-05-09 Seiko Epson Corporation System for distributing objects to multiple clients
EP1379054A1 (de) * 2002-06-27 2004-01-07 Sony International (Europe) GmbH Datenverteilungssystem in einem Mehrfachnetz
KR100365839B1 (en) * 2002-08-22 2002-12-31 Huwell Technology Inc System for real time service using interactive data communication and method thereof
WO2004034674A1 (en) * 2002-09-30 2004-04-22 Popwire.Com Dynamic transferring software/protocol
CN1871800A (zh) 2003-01-09 2006-11-29 汤姆森许可贸易公司 将mpeg传输流映射到ip分组上进行wlan广播的方法和设备
CA2554706A1 (en) * 2004-01-29 2005-08-11 Richard M. Woundy System and method for failsoft headend operation
DE102004014426A1 (de) * 2004-03-19 2005-10-27 Zirhli, Münevver Flexinux System
EP1782287A2 (de) 2004-07-21 2007-05-09 Beach Unlimited LLC Auf blockkarten-caching basierende verteilte speicherarchitektur und vfs-stapelbare dateisystemmodule
EP2149264B1 (de) * 2007-07-02 2011-01-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zum verarbeiten und lesen einer datei mit mediendatenbehälter und metadatenbehälter
PL2195952T3 (pl) 2007-09-19 2011-08-31 Fraunhofer Ges Forschung Urządzenie i sposób do zapisywania i odczytywania pliku zawierającego kontener danych multimedialnych i kontener metadanych
US10165029B2 (en) * 2014-01-31 2018-12-25 Fastly Inc. Caching and streaming of digital media content subsets
CN109739892B (zh) * 2018-12-27 2021-03-09 深圳前海网新科技有限公司 对互联网内的数据获取请求进行分级扩展的方法及系统

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US6119154A (en) * 1995-07-14 2000-09-12 Oracle Corporation Method and apparatus for non-sequential access to an in-progress video feed
US5838678A (en) * 1996-07-24 1998-11-17 Davis; Joseph W. Method and device for preprocessing streams of encoded data to facilitate decoding streams back-to back
US5856973A (en) * 1996-09-10 1999-01-05 Thompson; Kenneth M. Data multiplexing in MPEG server to decoder systems
US6157675A (en) * 1997-04-04 2000-12-05 Sony Corporation Image transmission device and image transmission method
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US5928331A (en) * 1997-10-30 1999-07-27 Matsushita Electric Industrial Co., Ltd. Distributed internet protocol-based real-time multimedia streaming architecture

Also Published As

Publication number Publication date
WO2001055860A1 (en) 2001-08-02
AU2001237978A1 (en) 2001-08-07
CA2398071A1 (en) 2001-08-02
EP1252576A4 (de) 2006-06-07
EP1252576A1 (de) 2002-10-30
AU2001234579A1 (en) 2001-08-07
CA2397975A1 (en) 2001-08-02
WO2001055877A1 (en) 2001-08-02

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