Circuit Switched Networks with long lived and short -ived connections Permanent or semi-permanent connection between major cities On-demand short-lived connections between individual od pairs of users in the order of seconds or less Long-lived connection Short-lived connectionCircuit Switched Networks with longlived and short-lived connections • Permanent or semi-permanent connection between major cities • On-demand short-lived connections between individual OD pairs of users in the order of seconds or less • Long-lived connection • Short-lived connection 14