DE69634375D1 - Dynamische Kanalzuweisung für Datenübertragung über Kabelfernsehkanäle - Google Patents

Dynamische Kanalzuweisung für Datenübertragung über Kabelfernsehkanäle

Info

Publication number
DE69634375D1
DE69634375D1 DE69634375T DE69634375T DE69634375D1 DE 69634375 D1 DE69634375 D1 DE 69634375D1 DE 69634375 T DE69634375 T DE 69634375T DE 69634375 T DE69634375 T DE 69634375T DE 69634375 D1 DE69634375 D1 DE 69634375D1
Authority
DE
Germany
Prior art keywords
channels
data transmission
transmission via
channel assignment
via cable
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
DE69634375T
Other languages
English (en)
Other versions
DE69634375T2 (de
Inventor
Venkata Chalapathi Majeti
Mark Meir Rochkind
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.)
AT&T Corp
Original Assignee
AT&T Corp
AT&T IPM Corp
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 AT&T Corp, AT&T IPM Corp filed Critical AT&T Corp
Publication of DE69634375D1 publication Critical patent/DE69634375D1/de
Application granted granted Critical
Publication of DE69634375T2 publication Critical patent/DE69634375T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • 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
    • H04N21/2385—Channel allocation; Bandwidth allocation
    • 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
    • H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
    • H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42684—Client identification by a unique number or address, e.g. serial number, MAC address, socket ID
    • 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
    • H04N21/64—Addressing
    • H04N21/6405—Multicasting
    • 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
    • H04N21/64322—IP
    • 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 Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE69634375T 1995-05-08 1996-05-01 Dynamische Kanalzuweisung für Datenübertragung über Kabelfernsehkanäle Expired - Lifetime DE69634375T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US435048 1995-05-08
US08/435,048 US5675732A (en) 1995-05-08 1995-05-08 Dynamic channel assignment for TCP/IP data transmitted via cable television channels by managing the channels as a single sub network

Publications (2)

Publication Number Publication Date
DE69634375D1 true DE69634375D1 (de) 2005-03-31
DE69634375T2 DE69634375T2 (de) 2006-04-27

Family

ID=23726751

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69634375T Expired - Lifetime DE69634375T2 (de) 1995-05-08 1996-05-01 Dynamische Kanalzuweisung für Datenübertragung über Kabelfernsehkanäle

Country Status (5)

Country Link
US (1) US5675732A (de)
EP (1) EP0742658B1 (de)
JP (1) JP3486294B2 (de)
CA (1) CA2173303C (de)
DE (1) DE69634375T2 (de)

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Publication number Publication date
EP0742658A2 (de) 1996-11-13
US5675732A (en) 1997-10-07
CA2173303C (en) 2001-03-13
CA2173303A1 (en) 1996-11-09
EP0742658B1 (de) 2005-02-23
JPH08316992A (ja) 1996-11-29
JP3486294B2 (ja) 2004-01-13
DE69634375T2 (de) 2006-04-27
EP0742658A3 (de) 2002-06-12

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