In Section 7.5, we discussed non-preemptive priority queuing. What would be preemptive priority queuing? Does preemptive priority queuing make sense for computer networks?
In section 7.5 we discussed that: Under a non-preemptive priority queuing discipline, the transmission of a packet is not interrupted once it has begun.
So in preemptive priority queuing discipline, the transmission of a packet would be interrupted once it has begun.
Preemptive priority queuing doesn’t make sense for computer networks because during a transmission of packet if it is interrupted there will be a lot of packets lost in the computer network.