基于场景的两种软件体系结构评估方法

Two software architecture evaluation methods based on scenario

基于场景的软件体系结构评估方法通过场景将系统的质量需求转换为风险承担者与系统的交互活动,通过低代价的事前评估活动降低软件的质量风险。SAAM及ATAM两种方法在具体的实际评估活动中,它们在场景的生成、风险承担者的商业动机的表述、软件体系结构的描述等方面存在着很大的不同,两种评估方法各有特长,其评估方法在具体的场景执行环节上具有不确定性,将定量的度量方法与定性场景结合是提高评估的有效途径。

Software architecture evaluation methods switch quality demand to interaction between risk-receivers and the system. Advancing evaluation could reduce quality risk when software was designed. SAAM and ATAM were two different evaluation methods which have their merits when applied in creating scenario, describing business motivation and software architecture and so on. Neither methods can＇ t ensure certainty when applied in particular performance, so it is an effective way to combine quantitative methods and scenario qualitative evaluation.