CAJ | 학술논문

云计算提供给用户可靠的、自定义的、最大化资源利用的服务，是一种崭新的分布式计算模式，它不但改变了计算技术，也深刻影响了商业模式。阐述当前云计算的基本概念，比较云计算的体系结构和部署模型，分析云计算的特点、发展现状、障碍及趋势；同时针对云计算发展带来的全新虚拟、共享、按需付费等特点，总结云计算如何改变现有的商业模式和企业业务模式，并结合已有的云计算研究成果，展望未来的研究方向和亟待解决的关键问题。
운계산제공급용호가고적、자정의적、최대화자원이용적복무，시일충참신적분포식계산모식，타불단개변료계산기술，야심각영향료상업모식。천술당전운계산적기본개념，비교운계산적체계결구화부서모형，분석운계산적특점、발전현상、장애급추세；동시침대운계산발전대래적전신허의、공향、안수부비등특점，총결운계산여하개변현유적상업모식화기업업무모식，병결합이유적운계산연구성과，전망미래적연구방향화극대해결적관건문제。
Cloud Computing is a new application model for distributed computing that can provide reliable , customized and maximum number of users with minimum resource .It not only changes computing techniques , but also impacts the business model.Considering that cloud computing is a virtual , shared, and new business model , this paper summarizes cloud com-puting concept and analyzes the architecture of cloud computing , compares cloud computing architecture with deployment model, and summarizes related research about relationship of service and architecture of cloud computing .In the meantime we analyze the cloud computing characteristics and discuss its advantages , problems, and the trends.The paper also de-scribes how cloud business model impacts the enterprise business model to enhance the competitiveness of enterprises .We also present a summary of the current state of the art of cloud computing and the discussion on the future research topics and some crucial problems which should be solved pressingly .