内容中心网络CCN研究进展探析

当前，以信息中心网络（ICN）为代表的未来网络的研究发展迅速，并越来越得到研究人员的关注。文章综述了内容中心网络（CCN）的相关研究，CCN网络是ICN研究热点之一，CCN网络在内容分发效率，网络安全和部署方面具有显著的优势。文章首先给出了CCN的相关研究背景，介绍了CCN的工作机制，并调研了当前CCN的研究热点问题及其挑战，分析了CCN主要比较优势与存在的问题，最后通过实验测试床验证了CCN的工作模式。CCN网络是ICN的主要架构之一，是现有TCP／IP网络体系架构的强有力的竞争者，在未来网络的演化中将发挥更大的作用。

Research Progress of Content Center Network

The Information Center Network （ICN）, as the representative of the network of the future research is developing rapidly, and gets more and more attention of the researchers. This paper reviews the Content Center Network （CCN） of ICN. CCN network, one of the research hotspots, has obvious advantages in distribution efficiency, network security and deployment of the system. This paper first gives the CNN related research background, the CNN working mechanism, and makes a survey to the current CNN hotspot issues and challenges, analyses the main comparison superiority and the existence questions. Finally, it checks the CCN working model through the experimental test bed. CNN is one of the main frameworks of ICN and the strong competitor of the existing TCP/IP network architecture. It will play an even greater role in the evolution of the network in the future.