Circuit and packet switched networks. 2. Circuit switching: Routing, Congestion control, Network management and control layers. 3. Packet switching: Routing, Flow control schemes. Multiservice networks. 4. Parameters of multiservice traffic: Basic traffic characteristics; Parameters of call, burst, and packet traffic; Narrowband services; Broadband services; Comparison of traffic types; Performance requirements. 5. Transmission resources: Synchronous transmission hierarchy, Synchronous optical network, Network node interface. 6. Multiplexing, access control, and switching: Channel multiplexing, Local area networks, Metropolitan area networks, Switching architectures. 7. Multistrata resource allocation: Elements of network architecture, Decision strata, Resource allotment, Traffic control schemes, Traffic transformation at the network interface, Multistrata decisionmaking, Examples of resource allotment schemes. 8. Bandwidth management and control in B-ISDN: Traffic control protocol, Statistical multiplexing, Virtual networks and call admission policies, Bandwidth enforcement, Unfairness of access in distributed queueing, Access protection mechanism. Modelling techniques. 9. Modelling accuracy: Input process, Infinite server system. 10. Queueing models: Delay-loss systems, General service distribution, Networks of queues. 11. Time series analysis of traffic updates: Trunk group model, Statistical properties of discrete time models, Finite trunk groups with nonexponential service times, Network descriptions. 12. Diffusion Approximation: Boundary conditions, Diffusion coefficients for multi-channel systems, Diffusion approximation of queueing networks. 13. Fluid flow approximations: Dynamic flow models of multiaccess systems, Network flow patterns, Steady state flows. Performance and optimization models. 14. Teletraffic models: Variance of the overflow traffic, Equivalent trunk group method. 15. On-line traffic measurements: Analysis of traffic data from the toll network, Traffic forecasting for adaptive routing, Kalman filtering of traffic fluctuations, Network models for routing optimization, Minimum variance routing. 16. Dynamic flow patterns: Model selection, Control system design, Optimization of dynamic flows. 17. Delay analysis in packet networks: Packet network as the open queueing network, Window flow control, Mean value analysis. 18. Performance analysis of polling systems: Loop systems, Decentralized control. Methods to evaluate performance of integrated services networks. 19. Voice and data integration: Burst clipping in TASI systems, Performance of movable boundary scheme. 20. ATM multiplexing - Discrete time models: Process structure, Arrival process, Multi-layer analysis, Aggregated models, Analytical model, Numerical results, Flow control. 21. ATM multiplexing - Continous time model: Infinite buffer, Finite buffer. 22.
