CA2663704A1 - Bandwidth management in each network device in a switched digital video environment - Google Patents

Bandwidth management in each network device in a switched digital video environment Download PDF

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Publication number
CA2663704A1
CA2663704A1 CA002663704A CA2663704A CA2663704A1 CA 2663704 A1 CA2663704 A1 CA 2663704A1 CA 002663704 A CA002663704 A CA 002663704A CA 2663704 A CA2663704 A CA 2663704A CA 2663704 A1 CA2663704 A1 CA 2663704A1
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CA
Canada
Prior art keywords
request
bandwidth
available bandwidth
devices
updating
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
CA002663704A
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French (fr)
Other versions
CA2663704C (en
Inventor
William C. Versteeg
William E. Wall
Peter Briggs
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.)
Scientific Atlanta LLC
Original Assignee
Scientific-Atlanta, Inc.
William C. Versteeg
William E. Wall
Peter Briggs
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Publication date
Application filed by Scientific-Atlanta, Inc., William C. Versteeg, William E. Wall, Peter Briggs filed Critical Scientific-Atlanta, Inc.
Publication of CA2663704A1 publication Critical patent/CA2663704A1/en
Application granted granted Critical
Publication of CA2663704C publication Critical patent/CA2663704C/en
Expired - Fee Related 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
    • 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
    • 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
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5009—Determining service level performance parameters or violations of service level contracts, e.g. violations of agreed response time or mean time between failures [MTBF]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5061—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the interaction between service providers and their network customers, e.g. customer relationship management
    • H04L41/5067—Customer-centric QoS measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/508—Network service management, e.g. ensuring proper service fulfilment according to agreements based on type of value added network service under agreement
    • H04L41/509—Network service management, e.g. ensuring proper service fulfilment according to agreements based on type of value added network service under agreement wherein the managed service relates to media content delivery, e.g. audio, video or TV
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/15—Flow control; Congestion control in relation to multipoint traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/78—Architectures of resource allocation
    • H04L47/783—Distributed allocation of resources, e.g. bandwidth brokers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/80—Actions related to the user profile or the type of traffic
    • H04L47/801—Real time traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/80—Actions related to the user profile or the type of traffic
    • H04L47/805—QOS or priority aware
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/80—Actions related to the user profile or the type of traffic
    • H04L47/806—Broadcast or multicast traffic
    • 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
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1043—Gateway controllers, e.g. media gateway control protocol [MGCP] controllers
    • 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
    • H04L65/80—Responding to QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)

Abstract

Bandwidth management in each network device in a switched digital video environment. Each device in a user's home and the switched digital video (SDV) device can evaluate the bandwidth requirements of a request from any device in the home and compare it to the bandwidth available at the user's home. This is done as the request is passed upstream from device to device. If there is insufficient bandwidth available, an error message is returned to the requesting device.

Claims (25)

1. A system for receiving and evaluating requests for at least one of services and channels, said system comprising:

one or more home devices at a plurality of subscriber premises;

a switched digital video (SDV) device for connecting said subscriber premises to a broadcast network;

at least one of said devices receives said request, said one device evaluates said request by comparing bandwidth requirements of said request to available bandwidth of one of said subscriber premises.
2. The system of claim 1, wherein said at least one device is at least one of said home devices adapted to either grant said request because said bandwidth requirements are within said available bandwidth and deny said request when bandwidth requirements of said request exceed said available bandwidth to said one subscriber premises.
3. The system of claim 1, wherein said at least one device is at least one of said SDV devices adapted to either grant said request because said bandwidth requirements are within said available bandwidth and deny said request when bandwidth requirements of said request exceed said available bandwidth to said one subscriber premises.
4. The system of claim 1, wherein said at least one device denies one of said requests because the bandwidth requirement of one said request exceeds said available bandwidth.
5. The system of claim 1, wherein said at least one device grants one of said requests because the bandwidth requirement of one said device is within said available bandwidth.
6. The system of claim 1, wherein at least one device grants one of said request because the bandwidth requirement of one said request is within said available bandwidth through one said device and, wherein another of said devices compares bandwidth requirements of said request to available bandwidth.
7. The system of claim 6, wherein said another of said devices grants one of said requests because the bandwidth requirement of one said request exceeds said available bandwidth.
8. The system of claim 6, wherein said another of said devices denies one of said request because the bandwidth requirement of one said request exceeds said available bandwidth.
9. The system of claim 6, wherein said one device is a home device and said other device is a SDV device.
10. The system of claim 6, wherein said one device and said other device are home devices.
11. The system of claim 1, wherein said SDV devices are one of a digital subscriber line access multiplexer (DSLAM), a digital content manager (DCM), or an optical line terminal (OLT).
12. A method for receiving and evaluating a request for at least one of services and channels, said method comprising the steps of:

connecting a plurality of subscriber premises to a broadcast network with a switched digital video (SDV) device;

connecting one or more devices in each of said subscriber premises to said SDV device;

receiving at one of said devices a request for at least one of said services or channels; and evaluating said request by comparing said bandwidth requirement of said request to available bandwidth of one of said subscriber premises.
13. The method of claim 12, further comprising the step of denying said request because the bandwidth requirement of said request exceeds said available bandwidth.
14. The method of claim 12, further comprising the step of granting said request because the bandwidth requirement of said request is within said available bandwidth.
15. The method of claim 12, further comprising the steps of at least one device granting said request because the bandwidth requirement of said request is within said available bandwidth through one said device and, wherein another of said devices compares bandwidth requirements of said request to available bandwidth.
16. The method of claim 15, further comprising the step of updating a current status of said request.
17. The method of claim 15, wherein the step of updating said current status of said request comprises updating bandwidth requirement of said request.
18. The method of claim 15, wherein the step of updating said current status of said request comprises updating said available bandwidth.
19. The method of claim 15, further comprising the step of another of said devices granting said request because the bandwidth requirement of said request exceeds said available bandwidth.
20. The method of claim 15, further comprising the step of another of said devices denying said request because the bandwidth requirement of said request exceeds said available bandwidth.
21. The method of claim 12, wherein said step of receiving a request comprises a request to implement a channel change by leaving a current channel and joining a requested channel.
22. The method of claim 21, further comprising the steps of terminating said current channel and transmitting said requested channel.
23. The method of claim 12, further comprising the step of updating a current status of said request.
24. The method of claim 23, wherein the step of updating said current status of said request comprises updating bandwidth requirement of said request.
25. The method of claim 23, wherein the step of updating said current status of said request comprises updating said available bandwidth.
CA2663704A 2005-11-10 2006-11-09 Bandwidth management in each network device in a switched digital video environment Expired - Fee Related CA2663704C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/164,119 US20070106782A1 (en) 2005-11-10 2005-11-10 Bandwidth management in each network device in a switched digital video environment
US11/164,119 2005-11-10
PCT/US2006/060709 WO2007120260A2 (en) 2005-11-10 2006-11-09 Bandwidth management in each network device in a switched digital video environment

Publications (2)

Publication Number Publication Date
CA2663704A1 true CA2663704A1 (en) 2007-10-25
CA2663704C CA2663704C (en) 2012-09-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2663704A Expired - Fee Related CA2663704C (en) 2005-11-10 2006-11-09 Bandwidth management in each network device in a switched digital video environment

Country Status (4)

Country Link
US (1) US20070106782A1 (en)
EP (1) EP1955521A2 (en)
CA (1) CA2663704C (en)
WO (1) WO2007120260A2 (en)

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CA2663704C (en) 2012-09-18
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WO2007120260A3 (en) 2008-07-24
US20070106782A1 (en) 2007-05-10

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