1. (20 points) Packet Switching Vs. Circuit Switching Consider an Internet audio chat application which transmits data at a fixed rate of 640 kbps (e.g., the sender generates anywhere 640,000 bits of data every second). Also, when such an application starts, it will stay on for an hour. Is this application more suited to run over a packet- switched network, or a circuit-switched network? Briefly explain your