Consider two hosts, A and B, connected by a single link of rate R bps. Suppose that the two hosts are separated by m meters, and suppose the propagation speed along the link is s meters/sec. Host A is to send a packet of size L bits to host B. a. Express the propagation delay, dprop, in terms of m and s. b. Determine the transmission time of the packet, dtrans, in terms of L and R. c. Ignoring processing and queuing delays, obtain an expression for the end-to-end delay. d. Suppose host A begins to transmit the packet at time t= 0, at time t =dtrans, where is the last bit of the packet? e. Suppose dprop is greater than dtrans. At time t =dtrans, where is the first bit of the packet?
Consider two hosts, A and B, connected by a single link of rate R bps. Suppose that the two hosts
are separated by m meters, and suppose the propagation speed along the link is s meters/sec.
Host A is to send a packet of size L bits to host B.
a. Express the propagation delay, dprop, in terms of m and s.
b. Determine the transmission time of the packet, dtrans, in terms of L and R.
c. Ignoring processing and queuing delays, obtain an expression for the end-to-end delay.
d. Suppose host A begins to transmit the packet at time t= 0, at time t =dtrans, where is the last
bit of the packet?
e. Suppose dprop is greater than dtrans. At time t =dtrans, where is the first bit of the packet?
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