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Part 1: multimedia services in the Next Generation Network.
1. The Next Generation Network and ultra-large bandwidth services. NGN architectures, Fiber to the Exchange, Fiber to the cabinet, Fiber to the Building, Fiber to the Home. point-to-point and Passive Optical Network systems. The Next generation Network in Italy, Europe.
2. Service architectures in the NGN: Service Layer, Transport Layer. Requirements of multimedia services. Interconnection of NGN networks.
3. Internet multimedia communications: digital media, audio and video codecs. Consumer-oriented multimedia applications; file sharing; video on demand; videotelephony; videoconference; IP television, interactive TV.
4. IP TV and Internet TV; technological features; architectures. The value chain of the IP TV; the content provider, the service provider, the network provider, the final customer. Internet TV; the long tail of internet TV contents; YouTube.
5. Peer to peer (p2p) systems for file sharing. Overlay architectures of p2p systems. Centralized and distributed p2p systems. Resource organization with Distributed Hash Tables. Chord. Query management in Gnutella, Gnutella 2, EDonkey, KAD, Bit torrent.
6. Anonymizing networks: basic principles. Anonymizing proxy. Mixing. Opennet and Darknet. Friend to friend. Anonymizing systems Tor (Onion Routing), location-hidden servers, Turtle F2F, I2P, Freenet.
7. P4P systems, architectures and standards.
8. P2P audio-video streaming; architectures and protocols; cost/performance aspects of IP TV and Internet TV a confronto. Protocols for resource discovering. Routing in p2p networks. P2p television. Real-time streaming; Real Time Streaming Protocol. Architectures of video streaming systems; distributed and centralized architectures; Content Delivery Networks. Internet broadcasting.
9. Peer-to-peer telephony; Skype. Architectures and protocols for Voice over IP (VoIP). H.323. Session Initiation Protocol. Real Time Protocol.
10. Interworking of VoIP and classic PSTN telephony; SIGTRAN; Media Gateway Control Protocol; Softswitch architecture; media gateway;signalling gateway; adaptation layers of sigtran (M2UA, M3UA, M2PA). SCTP.
Part 2: analysis and design of IP multimedia networks with quality of service.
1. Multimedia communications and Quality of Service (QoS) issues. Audio/video digital media. Service Level Agreements (SLA); definition of QoS requirements; customer-proivider contracts.
2. The traffic Profile. The Traffic Conditioning Agreement (TCA). Controlling TCA. Traffic regulation: policing; marking; shaping.
3. Resource allocation for QoS guarantee. The usage of TCA and SLA. Scheduling policies.
4. Practical architectures for QoS-oriented delivery. The IP Differentiated Services architecture. The IP Integrated Services architecture. The MultiProtocol Label Switching. QoS and routing. COPS (Common Open Policy Service).
5. Design of IP networks with QoS. The Network Calculus; managing regulated traffic; traffic envelopes and service envelopes. Design of FIFO, SP, GPS and EDF schedulers. Design of networks of schedulers with both short-range dependent and long-range dependent traffic.
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Inglese