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Agile: is adaptive rather than predictive is people-oriented rather than process-oriented Agile plans are a baseline that we use to help us control changes. Agile teams plan just as carefully as traditional teams, but the plans are constantly revising to reflect the things we learn during a project. Success is based on value delivered by the software. Agile engineering sees software development as a primarily human activity, where the people involved and how they bond as a team are the primary driver behind success. Processes (and tools) can enhance a team’s effectiveness, but are always second-order influences. different from plan-driven: Plan-driven engineering expects us to come up with a predictive plan that precedes development. The plan lays out the people, resources and timelines for the overall project. Software design is also done up-front, with implementation expected to conform with this design. Success is measured according to how well development follows this plan. Plan-driven engineering seeks a process which provides enough structure to reduce individual variations to insignificance. Such an industrial process is more predictable, copes better when people transfer, and is easier to define skills and career paths. Direct Interaction with customer: All agile methods stress the importance of direct interaction between the developers of a system and customers who are its eventual beneficiaries. The agile manifesto said “Business people and developers must work together daily throughout the project”, which is there to stress the high frequency of interaction. Extreme Programming stresses this through its practice of OnsiteCustomer.
