Take into account the transition seen below. Suppose all datagrams are of the same slow-motioned duration, the transition runs synchronously and can be moved from an input port to an output port in a single slot. The switch is a crossbar such that at most one datagram can be transported in one time slot to a specified output port, but separate output ports can accept datagrams in a single time slot from different ports. What is the small amount of time slots required to pass the packets seen from the input ports to their output ports, if there is no HOL blocking input queue scheduling order? How many slots are expected if the worst-case scheduling order you will determine is to assume . that a non-empty input queue is never idle?

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