plication ts data a very k time units, where k is sm hing for a relatively long period oket suitchod 19 twork

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
Chapter1: Introduction
Section: Chapter Questions
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Please solve the following. Thank you.
Question - 2
Consider an application that transmits data at a steady rate (for example, the sender generates an N-bit
unit of data every k time units, where k is small and fixed). Also, when such an application starts, it will
continue running for a relatively long period of time. Answer the following questions, briefly justifying
your answer:
a) Would a packet-switched network or a circuit-switched network be more appropriate for this
application? Why?
b) Suppose that a packet-switched network is used and the only traffic in this network comes from
such applications as described above. Furthermore, assume that the sum of the application data
rates is less than the capacities of each and every link. Is some form of congestion control
needed? Why?
Transcribed Image Text:Question - 2 Consider an application that transmits data at a steady rate (for example, the sender generates an N-bit unit of data every k time units, where k is small and fixed). Also, when such an application starts, it will continue running for a relatively long period of time. Answer the following questions, briefly justifying your answer: a) Would a packet-switched network or a circuit-switched network be more appropriate for this application? Why? b) Suppose that a packet-switched network is used and the only traffic in this network comes from such applications as described above. Furthermore, assume that the sum of the application data rates is less than the capacities of each and every link. Is some form of congestion control needed? Why?
Expert Solution
Step 1 Question a)

A packet-switched network would be more appropriate for this application because it is more efficient for transmitting data at a steady rate. A circuit-switched network would be less efficient because it would require a dedicated circuit for the duration of the transmission, which would result in wasted capacity if the data rate is less than the capacity of the circuit. 

 

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