This Focused Performance Weblog started life as a "business management blog" containing links and commentary related primarily to organizational effectiveness with a "Theory of Constraints" perspective, but is in the process of evolving towards primary content on interactive and mobile marketing. Think of it as about Focusing marketing messages for enhanced Performance. If you are on an archive page, current postings are found here.
"Here is the fun part. What do you suppose that nice spiral diagram would look like if you unrolled it and laid it out across a timescale? A waterfall maybe? :-) Yes! It would look like a waterfall remarkably like the one for the waterfall methodology. It is just that this waterfall would have more phases. It would have several design phases, several develop phases and yes even several test phases and then it would have a final test phase at the end."
Yup.
Although one aspect of the spiral is the unknown nature of how many times one goes around. That's what basic PM software does not handle so well. However, it can be addressed in MS Project with the addition of Critical Chain plug-ins -- if you simply allow buffers (a la CCPM) to model not only uncertainty and variation in task durations, but also in iterative cycles.
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