Concept: Milestones |
The point at which an iteration or phase formally ends, thus providing a check-point for whether the project is ready to move to the next iteration or phase.
Relationships
Related Elements | Plan the Project Assess Results
Main Description
Milestones are the point at which an iteration or phase formally ends. From a development perspective, each iteration provides an increment of functionality to the product. Thus, the end of each iteration corresponds to a checkpoint where project team demonstrates to stakeholders that the objectives for that iteration have been met. However, there are four major milestones that provide evaluation criteria at the end of each phase. From a management perspective, the software lifecycle is decomposed over time into four sequential phases, each concluded by a major milestone [BOE95]. The phases and milestones of a project Each phase is essentially a span of time between two major milestones. At each phase-end an assessment is performed to determine whether the objectives of the phase have been met. A satisfactory assessment allows the project to move to the next phase. At the end of the Inception phase is the first major project milestone or Lifecycle Objectives Milestone. At this point, you examine the cost versus benefits of the project, and decide either to proceed with the project or to cancel it. At the end of the Elaboration phase is the second important project milestone, the Lifecycle Architecture Milestone. At this point, a baseline of requirements is agreed to, you examine the detailed system objectives and scope, the choice of architecture, and the resolution of the major risks. At the end of the Construction phase is the third important project milestone, the Initial Operational Capability Milestone. At this point, the product is ready to be handed over to the transition team. All functionality has been developed and all alpha testing (if any) has been completed. In addition to the software, a user manual has been developed, and there is a description of the current release. The product is ready for beta testing. At the end of the Transition phase is the fourth important project milestone, the Product Release Milestone. At this point, you decide if the objectives were met, and if you should start another development cycle. The Product Release Milestone is the result of the customer reviewing and accepting the project deliverables.
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