Computers and Technology, 18.02.2020 20:19 ellllaaaxx

Suppose users share a 2 Mbps link. Also suppose each user requires 1 Mbps when transmitting, but each user transmits only 20% of the time. In this scenario, packet-switching can support more users than circuit-switching. a. When circuit switching is used, how many users can be supported?
b. For the remainder of this problem, suppose packet switching is used. Why will there be essentially no queuing delay before the link if two or fewer users transmit at the same time? Why will there be a queuing delay if three users transmit at the same time?
c. Find the probability that a given user is transmitting.
d. Suppose now there are three users. Find the probability that at any given time, all three users are transmitting simultaneously. Find the fraction of time during which the queue grows.

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Suppose users share a 2 Mbps link. Also suppose each user requires 1 Mbps when transmitting, but eac...

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