ADM 2372 Lecture Notes - Lecture 20: Continuous Delivery, Agile Software Development, Participatory Design
5 Jan 2018
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> maintenance phase - involves performing changes, corrections, additions, and upgrades to ensure the system continues to meet the business goals. > it"s cheaper to nd and x an error during the early stages (i. e. , analysis) than it is to nd the same error during the maintenance phase. >a methodology is a set of policies, procedures, standards, processes, practices, tools, techniques and tasks that people apply to technical and management challenges. > waterfall methodology - sequential, activity-based process in which each phase in the. Problems with this methodology: i. assumes users can specify all requirements in advance: assumes requirements do not change over time. > success rate of software development projects that follow the waterfall methodology is about 10% > failure does not mean a project is abandoned, it means it doesn"t t all your requirements . > each phase in the sdlc is performed sequentially, without revisiting previous phases: agile.
