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Internet Protocol Television (IPTV). CMPT771 Presentation Xu Cheng. Outline. Introduction Architecture Type of Service Underlying Protocols Conclusion. Introduction. What is IPTV?

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internet protocol television iptv

Internet Protocol Television (IPTV)

CMPT771 Presentation

Xu Cheng

outline
Outline
  • Introduction
  • Architecture
  • Type of Service
  • Underlying Protocols
  • Conclusion
introduction
Introduction
  • What is IPTV?
    • IPTV is a system through which digital television service is delivered using the Internet architecture and networking methods, instead of delivered through traditional radio frequency broadcast, satellite signal, and cable television formats
    • IPTV and Internet TV
      • IPTV delivered to TV set, not PC
        • IP set-top box (STB)
      • IPTV is provided by a few LARGE telecom providers
      • Internet TV: anyone can create an endpoint and publish that on a global basis. (YouTube)
      • They are competitors
introduction4
Introduction
  • Why is IPTV?
    • Network infrastructure today has become highly evolved and is required to support converged IP applications such as video, voice and data (triple play)
    • IPTV will provide better quality of service than Internet streaming video
    • IPTV has the potential to offer an interactive, customized experience
    • The telco operators’ weapon in the fight for market share
architecture
Architecture
  • Content sources
  • IPTV service nodes
  • Wide area distribution network
  • Subscriber
type of service
Type of Service
  • Broadcast/Multicast
    • Regularly scheduled programs sent to a large number of subscribers
    • Subscribers tune to a specific channel
    • Subscribers cannot influence the playback
type of service7
Type of Service
  • Video-on-Demand (VoD)
    • Stored videos are sent to subscribers on request
    • Subscribers receive their own copy of the video
    • Subscribers can control playback – VCR operation
underlying protocols
Underlying Protocols
  • IGMP – Internet Group Management Protocol
    • Multicast specification
    • PIM (Protocol-Independent Multicast)
underlying protocols9
Underlying Protocols
  • RTSP – Real Time Streaming Protocol
    • Client-server application layer protocol
    • For user to control display
    • RTSP is out-of-band protocol (similar to FTP)
conclusion
Conclusion
  • Advantages
    • Triple Play
    • Interactivity
    • VoD
  • Challenges
    • High bandwidth requirement
    • Being compared to traditional TV – the gold standard
    • Channel change time
  • Still in the early stage, but an important factor in the video marketplace
reference
Reference
  • http://en.wikipedia.org/wiki/IPTV
  • http://netevents.tv/video/iptv-tutorial
  • http://www.scribd.com/doc/6795274/Iptv-Tutorial
  • http://www.scribd.com/doc/19890802/Iptv-Slide
  • http://www.masternewmedia.org/2005/06/04/iptv_vs_internet_television_key.htm