对软件开发中的需求变更的产生原因及对项目的影响做了分析和讨论,介绍和研究了不同方法学中对于需求变更管理的要求和处理过程,并对这些主流的方法学中的变更管理过程做了一些总结和比较。对需求变更管理工具应该提供的功能做了一些讨论,比较了部分主流的需求管理工具中的变更管理功能,最后对软件需求管理工具的未来的发展方向进行了展望。
The reasons for requirements change and its impacts to the projects are discussed. In addition, between the principles and processes of several popular methodologies is described and compared in details. Then a discussion on what functions the requirements changing management tools need is given, and a survey of the characteristics and capabilities on the requirements change management of current requirements tools is done. At last, some advices and predict the development for the requirements management tools in order to provide better support to changing management are given.