In a component-based software development life cycle, selection of preexisting components is an important task. Every component that has to be reused has an associated risk of failure of not meeting the functional and...In a component-based software development life cycle, selection of preexisting components is an important task. Every component that has to be reused has an associated risk of failure of not meeting the functional and non-functional requirements. A component's failure would lead a developer to look for some other alternative of combinations of COTS, in-house and engineered components among possible candidate combinations. This means design itself can readily change. The very process of design of a software system and component selection seems to be heavily dependent on testing results. Instability of design, further, becomes more severe due to requirements change requests. Therefore, this instability of design has to be essentially mitigated by using proper design and testing approaches, otherwise, it may lead to exorbitantly high testing cost due to the repeated testing of various alternatives. How these three activities: Component-based software design, component selection and component-based software testing are interrelated? What process model is most suited to address this concern? This work explores the above questions and their implication in terms of nature of a process model that can be convincing in case of component-based software development.展开更多
以SRI-VC2110RC遥控系统为目标系统,设计了面向该目标系统的构件模型、架构风格和可复用软件构件库;设计并开发了基于Eclipse的构件化嵌入式软件开发工具。最后通过构建实例,展示了嵌入式软件构件化解决方案,并证明采用CBSE(Component B...以SRI-VC2110RC遥控系统为目标系统,设计了面向该目标系统的构件模型、架构风格和可复用软件构件库;设计并开发了基于Eclipse的构件化嵌入式软件开发工具。最后通过构建实例,展示了嵌入式软件构件化解决方案,并证明采用CBSE(Component Based Software Engineering)方法能够改善目标系统嵌入式软件的开发过程,提高开发效率。展开更多
基金Supposed by the National Natural Science Foundation of China under Grant No.60473124(国家自然科学基金)the Open subject Fund of Jiangsu Provincial Key Laboratory of Network and Information Security of China under Grant No.BM2003201(江苏省网络与信息安全重点实验室开放课题基金)
文摘In a component-based software development life cycle, selection of preexisting components is an important task. Every component that has to be reused has an associated risk of failure of not meeting the functional and non-functional requirements. A component's failure would lead a developer to look for some other alternative of combinations of COTS, in-house and engineered components among possible candidate combinations. This means design itself can readily change. The very process of design of a software system and component selection seems to be heavily dependent on testing results. Instability of design, further, becomes more severe due to requirements change requests. Therefore, this instability of design has to be essentially mitigated by using proper design and testing approaches, otherwise, it may lead to exorbitantly high testing cost due to the repeated testing of various alternatives. How these three activities: Component-based software design, component selection and component-based software testing are interrelated? What process model is most suited to address this concern? This work explores the above questions and their implication in terms of nature of a process model that can be convincing in case of component-based software development.
文摘以SRI-VC2110RC遥控系统为目标系统,设计了面向该目标系统的构件模型、架构风格和可复用软件构件库;设计并开发了基于Eclipse的构件化嵌入式软件开发工具。最后通过构建实例,展示了嵌入式软件构件化解决方案,并证明采用CBSE(Component Based Software Engineering)方法能够改善目标系统嵌入式软件的开发过程,提高开发效率。