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System Analysis & Design: Assignment

   

Added on  2020-03-15

12 Pages2698 Words93 Views
SYSTEM ANALYSIS AND DESIGN1Assignment 3 [Student Name Here][Institution’s Name Here] [Professor’s Name Here][Date Here]
System Analysis & Design: Assignment_1
SYSTEM ANALYSIS AND DESIGN2Table of ContentsIntroduction.............................................................................................................3Critical analysis of the non-functional requirements (NFR)...............................3System qualities......................................................................................................4System interface.....................................................................................................4System constraints..................................................................................................5An analysis of the cloud-based solutions...............................................................5Strengths of cloud resources..................................................................................6Weaknesses............................................................................................................6Securing the data....................................................................................................6SDLC methods (Software development life cycle)...............................................7Predictive approach................................................................................................7Pros of the predictive method.............................................................................8Cons.....................................................................................................................8Adaptive approach..................................................................................................8Pros of the method..............................................................................................9Cons.....................................................................................................................9Recommendation.....................................................................................................9Conclusion..............................................................................................................10References..............................................................................................................11
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SYSTEM ANALYSIS AND DESIGN3IntroductionCloud-based solutions have recently been identified as critical components of softwareengineering because they facilitate the deployment and support of computational resources. Inmost cases, these solutions will offer system developers a means to store and support ITresources over networking infrastructures. Furthermore, with cloud-based solutions, thedevelopers are able to increase the benefits of information systems through the conveniences ofvirtualised structures[ CITATION Gar15 \l 1033 ]. However, those interested in this technology mustbalance out the benefits with the potential risks involved. In this case, the subscribers of thetechnology need to analyze the existing standards and operational structures of the serviceproviders to attain an optimal decision[ CITATION Dai17 \l 1033 ]. Similarly, this report highlightsthe key features of cloud computing where its integration with the proposed Headspace system isoutlined. This report also highlights some of the non-functional requirements of the system thatwill yield a desirable system having established the development procedure. Critical analysis of the non-functional requirements (NFR)First, the differences with the functional requirements; which among many definitions outline thebehaviours and functions of a system e.g. storage space, drive format and displaying names etc.Now, non-functional requirements describe the system in terms of how it operates to meet itsobjectives i.e. the functions. Therefore, while one specifies the functions and operations, theother outlines how they are performed[ CITATION Uni03 \l 1033 ]. Furthermore, with non-functional requirements, the users can judge the system’s functions based on certain set criteriai.e. the elements of NFR.Consider the FURPS+ model where, elements such as performance, reliability, usability andsecurity are highlighted.
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SYSTEM ANALYSIS AND DESIGN4Performance – the overall system responsiveness to functions and user’s inputs.Reliability – the ability to provide consistent performance despite the changes in thedeployment platforms or user personnel.Usability – the ability to satisfy the user’s requirements including their envisioned systemcharacteristics.Security – the system ability to secure and block unauthorized access.System qualitiesThese are the factors that dictate the system’s run-time characteristics and user experiences.These factors determine the system’s ability to live up to the quality properties of a goodapplication i.e. the FURP+ model[ CITATION CS214 \l 1033 ]. In this case, the proposed projectmust possess the following qualities:Interoperable – the system must be able to exchange data with other external systemsmore so, those of the cloud facilities.Available and accessible – the time period that the system is functional should beadequately extensive, a function that may be supported by the cloud resources in thisinstance.Scalable – the Headspace project will handle extensive records thus will require facilitiesthat can accommodate the changes in payload size while having consistent performanceand functionality[ CITATION Los031 \l 1033 ].System interfaceA lot of emphases are needed on the system interface as they arguably interact with the end user.In all, interfaces will form the crucial boundaries between different systems that exchangeinformation. This outcome is exhibited in interfaces such as those of the cloud solutions, the in-
System Analysis & Design: Assignment_4

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