Discussion on Stage Developmental Model in Large Scale Information System

The paper is oriented to providing some thoughts into practical management demands for the initially developed information system. Stage developmental mode, being an appreciable approach among those trials, is a model that adopts a mode of developing information system step by step, but not in a stroke. Stage developmental mode consists of a preparatory stage , a development stage, performance stage and digestion stage, which all have all been in-depth analyzed and depicted in this paper.