This elementary problem begins to explore propagation delay and transmission delay, two central concepts in data networking. 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. d. Suppose Host A begins to transmit the packet at time t=0 . At time t= ?????? , where is the last bit of the packet? e. Suppose ????? is greater than ?????? . At time t= ??????, where is the first bit of the packet? f. Suppose ????? is less than ??????. At time t= ?????? , where is the first bit of the packet?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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This elementary problem begins to explore propagation delay and
transmission delay, two central concepts in data networking. 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.

d. Suppose Host A begins to transmit the packet at time t=0 . At time t= ?????? ,
where is the last bit of the packet?
e. Suppose ????? is greater than ?????? . At time t= ??????, where is the first bit of
the packet?
f. Suppose ????? is less than ??????. At time t= ?????? , where is the first bit of the
packet?
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