Life Cycle Phases

www.jntuworld.com D.SAMEERA, Asst. Prof 2010 UNIT-III LIFE-CYCLE PHASES INTRODUCTION: - If there is a well particularise separation between research and training activities and production activities therefrom the software is said to be in successful learning exercise. - Most of the softwares fail due to the side by side(predicate) characteristics , 1) An overemphasis on research and development. 2) An overemphasis on production. ENGINEERING AND PRODUCTION STAGES : To die economics of scale and higher return on investment, we must(prenominal) become toward a software manufacturing process which is determined by expert improvements in process automation and component ground development. at that place are two stages in the software development process 1) The engineering stage: Less predictable nevertheless little teams doing design and production activities. This stage is decomposed into two transparent phases source and elaboration. 2) The production stage: More predictable entirely bigger teams doing anatomical structure, test, and deployment activities. This stage is also decomposed into two distinct phases edifice 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 pursuit figure. - In the above figure the size of the spiral corresponds to the inaction of the project with respect to the breadth and depth of the artifacts that have been developed. - This inactivity manifests itself in maintaining artifac t consistency, regression testing, documenta! tion, quality analyses, and configuration control. - affix inertia may have little, or at least very straightforward, impact on changing any affiliated discrete component or activity. - However, the reaction time for align to major architectural changes, major requirements changes, major planning shifts, or major organizational perturbations clearly increases in subsequent phases. INCEPTION...If you carry off to get a full essay, order it on our website: BestEssayCheap.com

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