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针对以内容中心网络(CCN)为代表的信息中心网络(ICN)缓存技术研究展开综述与展望,理清了相关研究思路与主要方法.首先概述了ICN缓存工作原理以及关键研究内容;然后分析了ICN体系架构引入无线网络中的技术优势;着重总结了以CCN为代表的ICN缓存放置策略研究现状、缓存网络理论建模分析研究现状;最后对ICN缓存技术发展与挑战进行了分析与讨论.通过对已有研究工作进行总结与分析,指出了潜在研究方向与关键问题,为ICN缓存后续研究提供有益参考.
This paper summarizes and prospects the research of information center network (ICN) caching technology represented by Content Center Network (CCN), clarifies the related research ideas and main methods, firstly, it summarizes the working principle of ICN caching and the key research contents; ICN architecture introduces the technical advantages of wireless network; emphatically summarizes the research status of ICN cache placement strategy represented by CCN, and the research status of cache network theoretical modeling analysis; Finally, the development and challenge of ICN cache technology are analyzed and discussed. The existing research work is summarized and analyzed, the potential research directions and key issues are pointed out, and the research provides a useful reference for ICN cache research.