使用架构模型预测企业系统的可维护性

Robert Lagerström, Pontus Johnson
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引用次数: 31

摘要

现代软件系统是高度互联的,并且多年来一直处于不断变化之中。由于企业系统的复杂性,IT决策者发现很难预测和计划变更项目。因此,大部分以改变软件系统环境为目的的项目都失败了,也就是说,它们往往花费比预期更长的时间和更多的成本。本文建议将企业架构作为一种对软件系统及其环境建模的方法。提出了一个用于可维护性建模和分析的企业体系结构元模型。IT决策者可以使用这个元模型来为他们的变更项目进行成本预测和风险分析。
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Using Architectural Models to Predict the Maintainability of Enterprise Systems
Modern software systems are highly interconnected and have been under constant change for many years. IT decision makers find it difficult to predict and plan change projects due to the complexity of the enterprise systems. Thus, a large proportion of projects with the purpose of changing a software system environment fail, i.e. they tend to take longer time and cost more than expected. This paper suggests enterprise architecture as an approach to model software systems and their environment. An enterprise architecture metamodel for maintainability modeling and analysis is presented. IT decision makers can use this metamodel in order to make cost predictions and do risk analysis for their change projects.
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