Top-Down - How it relates to Agile

Many associate top-down design with the Waterfall software development methodology. This video will define both Waterfall and Agile, as well as show how the top-down design process is equally applicable to both.
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0:00 Introduction
0:18 Waterfall and Agile
0:38 Winston Royce
1:34 Agile
2:21 SCRUM Sprint
2:50 Waterfall in a Sprint
3:15 Identifying Program Entities
4:03 Conclusion