CA2545063A1 - Method and apparatuses for using packet data to manage a data stream in a broadband communications system - Google Patents

Method and apparatuses for using packet data to manage a data stream in a broadband communications system Download PDF

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Publication number
CA2545063A1
CA2545063A1 CA002545063A CA2545063A CA2545063A1 CA 2545063 A1 CA2545063 A1 CA 2545063A1 CA 002545063 A CA002545063 A CA 002545063A CA 2545063 A CA2545063 A CA 2545063A CA 2545063 A1 CA2545063 A1 CA 2545063A1
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CA
Canada
Prior art keywords
port number
destination port
message
digital transmission
protocol
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.)
Granted
Application number
CA002545063A
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French (fr)
Other versions
CA2545063C (en
Inventor
Christopher Poli
Richard Stephen Grzeczkowski
Steven A. Didomenico
Christopher J. Stone
Leonard G. Filomeo
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Andrew Wireless Systems UK Ltd
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2545063A1 publication Critical patent/CA2545063A1/en
Application granted granted Critical
Publication of CA2545063C publication Critical patent/CA2545063C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04L65/70—Media network packetisation

Abstract

A method (400) for managing a data stream (30) encoded according to a digital transmission protocol and configured for broadcasting to a consumer network device (14) within a broadband communications network (10). A message relating to the data stream is encapsulated (402) within a transport layer data packet (502). The packet has a destination port number field. A value associated with a predetermined parameter of the digital transmission protocol is created (404) within the field. Based on the value, the packet is forwarded (406) to the consumer network device according to a network layer protocol. When the forwarded message is received by the consumer network device, the consumer network device processes the data stream based on the message, and establishes an application layer communication socket based on the destination port number value. The socket is usable to receive further messages associated with the predetermined parameter of the digital transmission protocol.

Claims (10)

1. A method (400) for managing a data stream (30) encoded according to a digital transmission protocol and configured for broadcasting to a consumer network device (14) within a broadband communications network (10), the method comprising:

encapsulating (402) a message (50) relating to the data stream (30) within a transport layer data packet (502), the transport layer data packet having a destination port number field (506) associated therewith;

creating (404) a destination port number value within the destination port number field, the destination port number value associated with a predetermined parameter of the digital transmission protocol; and based on the destination port number value, forwarding (406) the transport layer data packet (502) to the consumer network device (14) according to a network layer protocol, wherein when the forwarded message is received by the consumer network device (14), the consumer network device is caused to process the data stream based on the message, and caused to establish an application layer communication socket based on the destination port number value, the application layer communication socket usable to receive further messages associated with the predetermined parameter of the digital transmission protocol.
2. The method according to claim 1, wherein the transport layer data packet (502) is forwarded according to a protocol set forth in a document entitled "DOCSIS® Set-top Gateway (DSG) Interface Specification," issued by CableLabs® on August 4, 2004.
3. The method according to claim 1, wherein the transport layer data packet (502) comprises a user data protocol ("UDP") packet.
4. The method according to claim 1, wherein the digital transmission protocol comprises a Moving Pictures Experts Group ("MPEG") protocol
5. The method according to claim 4, wherein the message (50) includes information used for accessing information within the data stream (30).
6. The method according to claim 5, wherein the destination port number value identifies content of the message.
7. The method according to claim 6, wherein the destination port number value comprises a logical reference to the predetermined parameter associated with the digital transmission protocol.
8. The method according to claim 7, wherein the predetermined parameter comprises one of an MPEG program identifier ("PID") value; a private unicast addressing protocol;
and a private multicast addressing protocol.
9. The method according to claim 8, wherein the message comprises one of a Program Association Table, a Program Map Table, a conditional access table, and an entitlement management message.
10. A method (600) for managing a data stream (30) encoded according to a digital transmission protocol and configured for broadcasting to a consumer network device (14) within a broadband communications network (10), the method comprising:

receiving (602) a message (50) encapsulated within a transport layer data packet (502), the transport layer data packet having a destination port number field (506) associated therewith, the destination port number field having a value therein associated with a predetermined parameter of the digital transmission protocol;

based on the destination port number value, establishing (604) an application layer communication socket, the application layer communication socket usable to receive further messages associated with the predetermined parameter of the digital transmission protocol; and based on the message, processing (606) the data stream (30).
CA2545063A 2003-11-17 2004-11-17 Method and apparatuses for using packet data to manage a data stream in a broadband communications system Active CA2545063C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US52062303P 2003-11-17 2003-11-17
US60/520,623 2003-11-17
PCT/US2004/038690 WO2005050898A2 (en) 2003-11-17 2004-11-17 Method and apparatuses for using packet data to manage a data stream in a broadband communications system

Publications (2)

Publication Number Publication Date
CA2545063A1 true CA2545063A1 (en) 2005-06-02
CA2545063C CA2545063C (en) 2014-04-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2545063A Active CA2545063C (en) 2003-11-17 2004-11-17 Method and apparatuses for using packet data to manage a data stream in a broadband communications system

Country Status (4)

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US (2) US7911946B2 (en)
EP (1) EP1685416A2 (en)
CA (1) CA2545063C (en)
WO (1) WO2005050898A2 (en)

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Also Published As

Publication number Publication date
EP1685416A2 (en) 2006-08-02
WO2005050898A2 (en) 2005-06-02
US20050122976A1 (en) 2005-06-09
WO2005050898A3 (en) 2005-08-25
US8374085B2 (en) 2013-02-12
US20110138435A1 (en) 2011-06-09
US7911946B2 (en) 2011-03-22
CA2545063C (en) 2014-04-22

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