Outline Why circuit switching Background on existing method Circuit Switched Networks with long-lived and short -ived connections Computation of blocking probability for large circuit switched networks Circuit switched multi-service multi-rate Networks with deflection .q&a 香港城市大學 City University of Hong KongOutline • Why circuit switching? • Background on existing method • Circuit Switched Networks with long-lived and short-lived connections • Computation of blocking probability for large circuit switched networks • Circuit Switched Multi-service Multi-rate Networks with Deflection • Q & A 2