rolling wave planning: a planning method that holds the definition of mid-term and long-term tasks at a higher level than near-term tasks. Often used when the project involves a process of discovery such that later tasks can not be fully specified until current tasks are completed. The detailed planning horizon is generally three to six months.

 

Immediate use? I don’t have enough detail yet!
The first concern we hear when we say the a schedule must be ready for immediate use is that we don’t yet know enough about future activities to plan them in detail. Often the specifics of future activities depend on the outcome of earlier activities.

You may find that you need to define ambiguous future activities in general terms and estimate the time for them at a higher level. This is what we described earlier as Rolling Wave Planning.

Relax. Remember the