So advantages of packet switching are that since links can be shared, so link utilization is
obviously better. This is suitable for computer generated traffic which I had mentioned is
bursty in nature. Since we are doing packet buffering, you can perform data rate
conversion. Like I will give examples suppose my incoming link is faster than my
outgoing link, I can receive at a faster rate. So I can receive packets and storing in a
buffer and I can take my time to send them over my outgoing link slowly. So some data
rate conversion can take place here and also you can have the notion of packet priority for
the high priority packets will be sent first. They will be incurring less delay