Circuit vs Packet Switching Can circuit switched network be used to support data traffic? Can packet switched network be used for connection oriented traffic(e.g, voice)? Need for Quality of service(Qos)mechanisms in packet networks Guaranteed bandwidth Guaranteed delays Guaranteed delay variations Packet loss rate EtcEytan Modiano Slide 17 Circuit vs Packet Switching • Can circuit switched network be used to support data traffic? • Can packet switched network be used for connection oriented traffic (e.g., voice)? • Need for Quality of service (QoS) mechanisms in packet networks – Guaranteed bandwidth – Guaranteed delays – Guaranteed delay variations – Packet loss rate – Etc