Software Engineering (10th Edition)
Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Chapter 6, Problem 6.3E
Program Plan Intro

Conflicts of availability and security requirements:

  • In general, the most commonly known non-functional requirements for designing the system architecture are as follows:
  • Security
  • Safety
  • Maintainability
  • Performance
  • Availability
  • While designing an architecture, the conflicts that are encountered in security and availability requirement cases are the above mentioned non-functional requirements.

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Explain why design conflicts might arise when designing an architecture for which both performance and security requirements are the most important non-functional requirements.
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Proposed and justify one or more suitable architecture style(s) for the given  scenario to improve interaction and sharing of system components. You intend to develop an online voting system for general elections. The major use cases of the voting model system include authorizing User that includes simple users and the system's staff. The system manages election districts and election units. The election unit is the system counterpart of the “election center”. In the conceptual model, the election center is central to the election procedure, as it is the fundamental tallying point. The votes are casted using machines provided by the state and are places at the election center. The fundamental assumption of this system is that almost all citizens above a certain age should be able to participate in the election procedure. It is practically infeasible for election staff to manually enter all electors into the system. The system should thus be able to import an electronic list of…
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