Waterfall Model for Software Development(瀑布模型)

Advantage:

Provide milestones(提供里程碑。).

Provide data for schedule planning(提供日程安排的数据。).

Provide data for staff planning(提供员工安排的数据。).

The process looks rational(这个过程看起来是合理的。).

The model gives the manager confidence in the progress of the project.(这个模型让经理对这个项目的处理有信心。)

 

Disadvantage:

No room for feedback.(没有反馈的空间)

Present a management framework, not suitable for software development.(代表一个管理的框架,不适合软件开发)

Doesn't allow change.(不允许改变)

Real projects rarely sequential-iteration required.(真正的项目需求很少是顺序迭代的)

Difficulty in user stating all requirements early.(使用者早早地说明所有需求是困难的)

Working version of program not available until late in the life cycle.(可行的程序版本直到生命周期的末期才可以利用)

Developers often delayed-blocking states.(开发者经常处于延迟堵塞状态)

 

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