Course contents: The basic characteristics of teletraffic systems. Traffic load – Traffic load properties. Little’s Law. Analysis of Markovian loss models: M/M/s – M(n)/M/s. The Erlang B formula. The Engset formula for a small number of traffic sources. Analysis of Markovian queueing models: Μ/Μ/1, Μ/Μ/s/k, M/G/1. The Erlang C formula. The Pollaczek–Khinchine formula. Multirate Loss Models. The complete sharing policy of the available link bandwidth. The Kaufman-Roberts recursive formula. The bandwidth reservation policy. The Roberts’ recursive formula. Overflow systems: The Equivalent Random Theory – ERT.

Assessment: Written exams at the end of the semester.