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Internet Protocol Television (IPTV)

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)

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  1. Internet Protocol Television (IPTV) CMPT771 Presentation Xu Cheng

  2. Outline • Introduction • Architecture • Type of Service • Underlying Protocols • Conclusion

  3. 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

  4. 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

  5. Architecture • Content sources • IPTV service nodes • Wide area distribution network • Subscriber

  6. 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

  7. 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

  8. Underlying Protocols • IGMP – Internet Group Management Protocol • Multicast specification • PIM (Protocol-Independent Multicast)

  9. 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)

  10. 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

  11. 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

  12. Question

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