WO2004084445A3 - Thin docsis in-band management for interactive hfc service delivery - Google Patents

Thin docsis in-band management for interactive hfc service delivery Download PDF

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Publication number
WO2004084445A3
WO2004084445A3 PCT/US2004/005886 US2004005886W WO2004084445A3 WO 2004084445 A3 WO2004084445 A3 WO 2004084445A3 US 2004005886 W US2004005886 W US 2004005886W WO 2004084445 A3 WO2004084445 A3 WO 2004084445A3
Authority
WO
WIPO (PCT)
Prior art keywords
mpeg
docsis
disclosed
packets
encrypted
Prior art date
Application number
PCT/US2004/005886
Other languages
French (fr)
Other versions
WO2004084445A2 (en
Inventor
Selim Shlomo Rakib
Original Assignee
Terayon Comm Systems Inc
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 Terayon Comm Systems Inc filed Critical Terayon Comm Systems Inc
Priority to EP04715119A priority Critical patent/EP1602185A4/en
Priority to JP2006508874A priority patent/JP2007525051A/en
Priority to CA002516389A priority patent/CA2516389A1/en
Publication of WO2004084445A2 publication Critical patent/WO2004084445A2/en
Publication of WO2004084445A3 publication Critical patent/WO2004084445A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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
    • H04N21/6118—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management

Abstract

Circuitry and processed carried out thereby are disclosed for transmitting video­-on-demand and interactive service data (10) and other service data (19) on an MPEG multiplex and sending management and control data including conditional access EMM key data in-band in said MPEG multiplex (24) in MPEG packets having the DOCSIS PID (20). Processes to send conditional access data by sending ECM messages containing control words encrypted with session keys in said MPEG multiplex and sending EMM messages containing session keys encrypted with private set top box users keys are disclosed. The EMM messages are sent in-band in MPEG packets having the DOCSIS PID to only the set top boxes that request them via the upstream DOCSIS (33) which have ordered encrypted service. A head end with routing/switching capability to route MPEG transport streams encapsulated in IP packets is also disclosed.
PCT/US2004/005886 2003-03-13 2004-02-26 Thin docsis in-band management for interactive hfc service delivery WO2004084445A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP04715119A EP1602185A4 (en) 2003-03-13 2004-02-26 Thin docsis in-band management for interactive hfc service delivery
JP2006508874A JP2007525051A (en) 2003-03-13 2004-02-26 Thin DOCSIS in-band management for interactive HFC service delivery
CA002516389A CA2516389A1 (en) 2003-03-13 2004-02-26 Thin docsis in-band management for interactive hfc service delivery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/389,728 2003-03-13
US10/389,728 US20040181811A1 (en) 2003-03-13 2003-03-13 Thin DOCSIS in-band management for interactive HFC service delivery

Publications (2)

Publication Number Publication Date
WO2004084445A2 WO2004084445A2 (en) 2004-09-30
WO2004084445A3 true WO2004084445A3 (en) 2006-05-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/005886 WO2004084445A2 (en) 2003-03-13 2004-02-26 Thin docsis in-band management for interactive hfc service delivery

Country Status (6)

Country Link
US (2) US20040181811A1 (en)
EP (1) EP1602185A4 (en)
JP (1) JP2007525051A (en)
CN (1) CN1849825A (en)
CA (1) CA2516389A1 (en)
WO (1) WO2004084445A2 (en)

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