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2. Waterfall model - Wikipedia

   en.wikipedia.org/wiki/Waterfall_model

   The waterfall model is a breakdown of developmental activities into linear sequential phases, meaning that each phase is passed down onto each other, where each phase depends on the deliverables of the previous one and corresponds to a specialization of tasks. [1]

3. Phase-gate process - Wikipedia

   en.wikipedia.org/wiki/Phase-gate_process

   A phase-gate process (also referred to as a waterfall process) is a project management technique in which an initiative or project (e.g., new product development, software development, process improvement, business change) is divided into distinct stages or phases, separated by decision points (known as gates).

4. Big design up front - Wikipedia

   en.wikipedia.org/wiki/Big_Design_Up_Front

   Proponents of the waterfall model argue that time spent in designing is a worthwhile investment, with the hope that less time and effort will be spent fixing a bug in the early stages of a software product's lifecycle than when that same bug is found and must be fixed later. That is, it is much easier to fix a requirements bug in the ...

5. Agile software development - Wikipedia

   en.wikipedia.org/wiki/Agile_software_development

   Teams who were using traditional waterfall planning and adopted the agile way of development typically go through a transformation phase and often take help from agile coaches who help guide the teams through a smoother transformation. There are typically two styles of agile coaching: push-based and pull-based agile coaching.

6. Software development process - Wikipedia

   en.wikipedia.org/wiki/Software_development_process

   The development team works closely with the client to analyze existing systems and workflows, determine technical feasibility, and define project milestones. Planning and design: Once the requirements are understood, the custom software development team proceeds to create a comprehensive project plan. This plan outlines the development roadmap ...

7. Spiral model - Wikipedia

   en.wikipedia.org/wiki/Spiral_model

   In later publications, [1] Boehm describes the spiral model as a "process model generator," where choices based on a project's risks generate an appropriate process model for the project. Thus, the incremental, waterfall, prototyping, and other process models are special cases of the spiral model that fit the risk patterns of certain projects.