Transcript 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?
 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

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
 Content sources
 IPTV service nodes
 Wide area distribution network
 Subscriber
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 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
 IGMP – Internet Group Management Protocol
 Multicast specification
 PIM (Protocol-Independent Multicast)
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
 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
 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_in
ternet_television_key.htm
Question