Life Cycle Phases

www.jntuworld.com D.SAMEERA, Asst. Prof 2010 UNIT-III LIFE-CYCLE PHASES INTRODUCTION: - If there is a well describe separation between research and eruditeness activities and production activities and so the software is said to be in successful learning exercise. - Most of the softwares fail due to the contiguous characteristics , 1) An overemphasis on research and development. 2) An overemphasis on production. ENGINEERING AND PRODUCTION STAGES : To lapse economics of scale and higher return on investment, we must(prenominal) endure toward a software manufacturing process which is determined by technical improvements in process automation and component ground development. on that point are two stages in the software development process 1) The engineering stage: Less predictable nevertheless small teams doing design and production activities. This stage is decomposed into two transparent phases blood line and elaboration. 2) The production stage: More predictab le entirely large teams doing anatomical structure, test, and deployment activities. This stage is also decomposed into two distinct phases plait and transition. www.jntuworld.com www.jntuworld.com D.SAMEERA, Asst.

Prof 2010 These four phases of lifecycle process are loosely mapped to the abstract framework of the spiral model is as shown in the following figure. - In the above figure the size of the spiral corresponds to the inactivity of the project with respect to the breadth and depth of the artifacts that have been developed. - This inaction manifests itself in maintaining artifact consisten cy, regression testing, documentation, quali! ty analyses, and configuration control. - sum up inertia may have little, or at least very straightforward, impact on changing any disposed discrete component or activity. - However, the reaction time for accommodate to major architectural changes, major requirements changes, major planning shifts, or major organizational perturbations clearly increases in subsequent phases. INCEPTION...If you aim to get a full essay, order it on our website: BestEssayCheap.com

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