Chapter 6. Application
In this chapter, IPTV is covered. IPTV is an application that involves multiple technologies. ITU-T, DSL Forum, IETF, ETSI are among the organizations contributing actively to the IPTV evolution. A combination of Carrier Ethernet in the core and aggregation and DSL is in the access is a common transport architecture for IPTV delivery. Source Specific Multicast (SSM) and IGMPv3 are protocols that together provide the necessary support for users to Join and Leave multicast groups. Quality of service and quality of experience are important parameters in the area of IPTV. Unlike in the data world the end-user sensitivity to video is quite high and therefore it is necessary for the network to be optimized for video ...

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