You can answer E, F, and G only This elementary problem begins to explore propagation delay and transmis-sion delay, two central concepts in data networking. Consider two hosts, Aand B, connected by a single link of rate R bps. Suppose that the two hostsare separated by m meters, and suppose the propagation speed along the linkis 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 firstbit of the packet?f. Suppose dprop is less thanthe packet?g. Suppose s2.5 108, Lm so that dprop equals transdrans. At time t = durans, where is the first bit of=120 bits, and R = 56 kbps. Find the distance

Requested answers are given below:

e. Suppose dprop is greater than dtrans. At time t = durans, where is the first bit of the packet? f. Suppose dprop is less than durans. At time t = dtrans, where is the first bit of the packet? = g. Suppose s = 2.5 108, L = 120 bits, and R Im so that dron equals dtrans. 56 kbps. Find the distance

e. Suppose dprop is greater than dtrans. At time t = durans, where is the first bit of the packet? f. Suppose dprop is less than durans. At time t = dtrans, where is the first bit of the packet? = g. Suppose s = 2.5 108, L = 120 bits, and R Im so that dron equals dtrans. 56 kbps. Find the distance

Operations Research : Applications and Algorithms

4th Edition

ISBN:9780534380588

Author:Wayne L. Winston

Publisher:Wayne L. Winston

Chapter20: Queuing Theory

Section20.10: Exponential Queues In Series And Open Queuing Networks

Problem 8P

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Concept explainers

Types Of Protocols

A network protocol is a collection of rules that governs the exchange of data between devices connected to the same network. In other words, network protocols are rules that specify how devices communicate or transfer data over a network. The sender and receiver systems must obey the standards to facilitate communication between them.

Question

You can answer E, F, and G only

This elementary problem begins to explore propagation delay and transmis-
sion 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.
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?
f. Suppose dprop is less than
the packet?
g. Suppose s
2.5 108, L
m so that dprop equals trans
drans. At time t = durans, where is the first bit of
=
120 bits, and R = 56 kbps. Find the distance

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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. 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?f. Suppose dprop is less than dtrans. At time t = dtrans, where is the first bit of the packet?g. Suppose s = 2.5 * 108 meters/sec, L = 120 bits, and R = 0.112 Mbps. Find the distance m…
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