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在互联网领域,中央集中式是资源分发的主流模式,这种模式缺陷较多。而以用户需求为核心进行相应的内容分发,就能够有效解决传统模式的相关缺陷,这种新型的模式主要是将点对点和内容分发进行结合的一种新型模式,前者可以简称为P2P,后者则可以简称为CDN,这种新型模式兼有P2P和CDN的优势。本文研究的重点是分析CDN-P2P的难点和热点问题,并总结出以用户需求为核心的CDN-P2P分发系统发展方向。
In the field of Internet, centralization is the mainstream mode of resource distribution, and there are many defects in this mode. However, the content distribution based on the user’s needs can effectively solve the defects of the traditional mode. The new mode is mainly a new mode that combines the point-to-point and the content distribution. The former can be referred to as P2P, the latter It can be simply referred to as CDN, this new model combines the advantages of P2P and CDN. The focus of this paper is to analyze the difficulties and hot issues of CDN-P2P and to summarize the development direction of CDN-P2P distribution system based on user requirements.