All the work to get the services and tasks that are late, they will get the edge service without waiting too long and take on the movement of the head is less than C-SCAN method.
All work will be available, and the tip would have been available without having to wait too long and take on the movement of the head is less than the C-SCAN.
All of the work is to receive services and at the end of the edge will receive services without waiting, so too, and takes in the movement of the reading head is less than the method. C-SCAN.