Q5. Unless specified otherwise, use the free space propagation speed of light 3x108 m/s to calculate the propagation delay. For numerical calculations, the results must show the appropriate unit. Show a complete solution for each problem in your submission. An access multiplexer (AM) installed in the roadside box of the NBN (National Broadband Network). Assume that 200 homes are connected to the AM. The average packet interarrival arrival time at the AM is 200 microseconds. The average packet length is 2,500 bytes where the packet length is exponentially distributed. a. Calculate the number of packets arriving at the AM every hour. b. Calculate the incoming traffic rate (in bits/sec) at the input of the AM. c. Assume that the output of the AM is connected to the NBN core network via a 2-Gbps link. Calculate the total normalised load "p" at the AM. d. Assume that the packet arrival process is exponentially distributed. Calculate the average queuing delay introduced by the AM.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Q5.
Unless specified otherwise, use the free space propagation speed of light 3x108 m/s to calculate the propagation delay. For numerical calculations, the results must show the appropriate unit. Show a complete solution for each problem in your submission.

An access multiplexer (AM) installed in the roadside box of the NBN (National Broadband Network). Assume that 200 homes are connected to the AM. The average packet interarrival arrival time at the AM is 200 microseconds. The average packet length is 2,500 bytes where the packet length is exponentially distributed.
a. Calculate the number of packets arriving at the AM every hour.
b. Calculate the incoming traffic rate (in bits/sec) at the input of the AM.
c. Assume that the output of the AM is connected to the NBN core network via a 2-Gbps link. Calculate the total normalised load "p" at the AM.
d. Assume that the packet arrival process is exponentially distributed. Calculate the average queuing delay introduced by the AM.

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