Although the SSTF algorithm is a substantial improvement over the FCFS algorithm, it is not optimal. SSTF may cause starvation of some requests. If a continual stream of requests arrives near one another, a request of a cylinder far away from the head position has to wait indefinitely.
Answer ( 1 )
Although the SSTF algorithm is a substantial improvement over the FCFS algorithm, it is not optimal. SSTF may cause starvation of some requests. If a continual stream of requests arrives near one another, a request of a cylinder far away from the head position has to wait indefinitely.