A Tool for Trade-off Resolution on Architecture-Centered Software Development Authors: Italo Silva, Patrick Brito, Baldoino Neto, Evandro Costa and Hemilis.

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Presentation transcript:

A Tool for Trade-off Resolution on Architecture-Centered Software Development Authors: Italo Silva, Patrick Brito, Baldoino Neto, Evandro Costa and Hemilis Rocha 26 th International Conference on Software Engineering and Knowledge Engineering SEKE 2014, Vancouver, Canada

Contents IntroductionIntroduction 1 Related WorkRelated Work 2 A Process for Managing Trade-offs Amongst Quality AttributesA Process for Managing Trade-offs Amongst Quality Attributes 3 A Tool for Supporting the Proposed ProcessA Tool for Supporting the Proposed Process 4 Conclusion and Future WorkConclusion and Future Work 5

Introduction The success of a software project is strongly related with architectural design; Designing the right Software Architecture is a very subjective task; Influenced by : – Architect's experience – Quality of requirements engineering.

Introduction Problems emerge during the architectural design when.. – During the requirements engineering phase Trade-offs amongst quality attributes have not been identified; Trade-offs have not been properly managed

Introduction Objective – Present a Trade-off resolution process to help on hard task of : Specifying the System Quality Requirements Trade-offs Detection Trade-offs Resolution

Related Work Tropos and i* Treat quality attributes as soft goals, Reason about the partial satisfaction of such goals the subjectivity of classification and evaluation could produce conﬂicting quality requirements Elahi and Yu A semi-automated tool that uses Even Swaps process Decision making related to conflicting requirements It Doesn’t focus on managing trade-off involving only software quality attributes. García- Mireles et al. A conceptual framework for dealing with software quality trade-offs Managing trade-offs based on a systematic comparison of CMMI and ISO specifications The proposed tool can be seen as a tool-supported instance of such conceptual framework.

A Process for Managing Trade-offs Among Quality Attributes

Each registered trade-oﬀ scenario should be associated to at least one question Each Question has an impact associated to its answer The impact can increase or decrease the weight of the quality attribute

A Tool For Supporting The Proposed Process A rule-base system that Emulates the decision-making ability of a human expert Use the ExpertSystem component to reason about the trade-offs passing the stakeholder’s answers regarding quality attributes to ExpertSystem

Conclusion and Future Work The proposed solution comprises a systematic process supported by a tool; This tool will help young requirements engineers and software architects in the trade-off resolution process; The tool has a rule-based architecture thus keeping the technical knowledge and experience at the software company. Conclusion Evaluation in real scenarios; Link trade-off resolution of quality attributes to design decisions related to the choice of architectural styles Supporting the architectural design by recommending reference architectures Future Work