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以IP为网络层的网络体系架构的互联网已经逐渐不能满足用户日益增加的需求,在这种情况下,信息中心网络(Information-Centric Networking,ICN)已成为未来网络的研究热点。本文论述了应用ICN体系结构解决当前网络体系问题的重要性,阐述了ICN的基本思想,分析了ICN的特点,并从命名、路由、分发、缓存四方面对ICN进行了分类,重点分析了ICN的关键技术,给出了ICN研究中仍然存在的问题,探讨了信息中心网络研究的发展方向。
In this situation, the Information-Centric Networking (ICN) has become a hotspot in the future of the Internet. However, the Internet with IP as the network architecture of the network has gradually failed to meet the increasing demands of subscribers. This article discusses the importance of using ICN architecture to solve the current network system problems, expounds the basic idea of ICN, analyzes the characteristics of ICN, and classifies ICN from four aspects: naming, routing, distribution and caching, and focuses on ICN The key technologies of ICN are given, and the problems that still exist in the research of ICN are given. The development direction of information center network research is also discussed.