| Some of the concepts and methods explored in the early stage of the computer science not only counteracted the development of the software, but also are widely used today. People did not realize the cause of the failure; on the contrary, the faulty concepts and methods are still applied. It is true in practice that the faulty concepts and methods will come to mind naturally, which is related to the way in which the developer thinks and independent of the projects. Therefore, the key is to import the practice-proved theory of software engineering to the software development process and influence the thought and decision making process of the developer, which can avoid the formation of the faulty concepts and methods from the human and process aspect.The Broadband Multimedia System has fore parts: the content service system, the soft exchange platform, the broadband multimedia telecommunication terminals and the terminals management system. It is a complex process to develop this system, and we spent more than a year and a half to do the work. Software developing means not only the program coding but also make plan and manage the activities of software development. Software Engineering researches how to develop software more effectually. In Software Engineering, those software process models are most important. It is indicated that different processes can make different results.Extreme Programming (XP) is a new, lightweight software developing approach appeared in recent years. It is fit for the small or medium project. XP uses rapid feedback and high-bandwidth communication to maximize delivered value, via an on-site customer, a particular planning approach, and constant testing. |
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