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We present a new approach for performing load testing of Web applications by simulating realistic user behaviour with stochastic form-oriented analysis models. Realism in the simulation of user behaviour is necessary in order to achieve valid testing results. In contrast to many other user models, Web site navigation and time delay are modelled stochastically. The models can be constructed from sample...
The software architecture is one of the most crucial artifacts within the lifecycle of a software system. Decisions made at the architectural level directly enable, facilitate, hamper, or interfere with the achievement of business goals, functional and quality requirements. Architecture evaluations play an important role in the development and evolution of software systems since they determine how...
Architectural stability refers to the extent software architecture is flexible to endure evolutionary changes while leaving the architecture intact. Approaches to evaluate software architectures for stability can be retrospective or predictive. Retrospective evaluation looks at successive releases of a software system to analyze how smoothly the evolution has taken place. Predictive evaluation examines...
Evolving software design is a critical activity for many reasons: inadequate documentation, loss of strategic knowledge due to personnel's turnover, intrinsic complexity of software design. As a consequence, performances in the evolution tasks may deteriorate. Some experiments demonstrate that pair programming is able to reduce the time spent for accomplishing the tasks while increasing the overall...
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