Contents:
Interoperability of access networks, local networks and backbone networks. Convergence of heterogeneous networks. Mobility and integration of mobile services. Integration of telephone, data, television and interactive services. E-services, p2p services and e2e services.
Theory program:
Unit 1. Introduction
1.1 Definitions and Concepts: Convergence of Networks, Services and Devices
1.2 Mobile and Fixed Convergence
1.3 Next Generation Networks
1.4 IP Multimedia Subsystem (IMS).
1.5 Historical evolution and current context
Unit 2. Architecture of Next Generation Networks (NGN)
2.1 Introduction.
2.2 Functional architecture of NGN networks
2.3 Components of an NGN network
2.4 Regulation of NGN networks
Unit 3. Aspects of network convergence. Description of IP Multimedia Subsystems (IMS)
3.1 Introduction
3.2 Concepts (Identification, Point of Entry, Registration)
3.3 Requirements.
3.4 Entities that are part of the IMS architecture.
3.4.1. Multimedia session control: CSCF `s: P-CSCF, I-CSCF, S-CSCF
3.4.2. : Interworking with circuit switched networks (PSTN, GSM): IMS-MGW,
MGCF, BGCF, T-SGW
3.4.3. Databases: HSS and SLF.
3.4.4. Signaling and multimedia flow control: SBC
3.4.5. Pricing: CCF and OCS.
3.4.6. Service Provision: AS and MRF.
3.4.7. Security: NDS.
3.4.8. Interoperability between IPv4 and IPv6
Unit 4. Protocols in IMS
4.1. Voice and video transport: RTP and RTCP
4.2. Signaling to control multimedia sessions: SIP and H.323
4.3. Call control: MGCP/MEGACO/H.248
4.4. Signaling interconnection: SIP-T, SIP-I and SIGTRAN.
4.5. Transport of user data assuming messaging traffic: MSRP.
4.6. Authentication, authorization and accounting (AAA): DIAMATER, TACACS+
4.7. Control of network resources.
Unit 5. Services with IMS
5.1 IMS Services
5.1.1 Presence
5.1.2 Messaging
5.1.3 Group Management
5.1.4 Push to talk Over Cellular
5.1.5 Conference
5.1.6 Multimedia Telephony
5.2 IMS operation. Case study.
5.3 Future Perspectives: FGNGN
5.3.1 Mobility and Nomadicity
5.3.2 QoS Connections
Lab program:
Session 1. Single access to the network. Authentication.
Session 2. Single access to the network. Authorization.
Session 3. Single access to the network. Accounting
Session 4. Single access to the network. Authentication, authorization and accounting (AAA) and security.
