1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Overview
7 Functional models for multicast-based IPTV content delivery
7.1 Network multicast model
7.2 Cluster model
7.3 Peer-to-peer model
7.4 Hybrid model of cluster and peer-to-peer
8 Multicast capabilities for content delivery and distribution
8.1 General multicast capabilities
8.2 Multicast capabilities in IPTV functions
9 General requirements for IPTV content delivery
10 Requirements for multicast data delivery
11 Requirements for multicast group management
12 Requirements for multicast service control
12.1 Requirements specific to functional models
13 Requirements for QoS control
14 Requirements for security
15 Requirements for mobility
16 Requirements for accounting and charging
17 Security considerations
Appendix I – Examples of multicast-based IPTV content delivery scenarios
I.1 Network multicast-based content delivery scenario
I.2 Cluster-based content delivery scenario
I.3 p2p-based content delivery scenario
I.4 Hybrid of p2p and cluster-based content delivery scenario
Appendix II – Using peer-to-peer mechanisms for content delivery
II.1 Overlay networks for p2p-based content delivery
II.2 Managed overlay networks for p2p-based content delivery
Appendix III – Hybrid model of peer-to-peer and network multicast
Appendix IV – Details of multicast VPN
Bibliography