Reply to post: Re: B-O-L-L-O-C-K-S-!

'T-shaped' developers are the new normal

Mark Honman

Re: B-O-L-L-O-C-K-S-!

Agile works well when there is a single on-line system where the goal post are always moving, and mistakes are not costly.

Waterfall is still the best for well-specced mission-critical systems or ones that cannot easily be upgraded.

And in between, where most systems fall, the best methodology is a blend: for example use of prototypes (agile mode) to nail down requirements for a waterfall phase which is rapid and productive due to the elimination of unknowns. For each application there is an optimum point of change frequency and scope where customers are willing to wait a certain amount of time for changes in exchange for greater stability, predictable release cycle, and the ability to schedule end-user training to avoid loss of productivity due to end-users having to work things out for themselves.

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