Research on Content Delivery Networks
Hong Zhang · Dianzi xuebao · 2013
CDN(Content Delivery Network) is a novel overlay network,which deploys surrogates on the edge or backbone of network in order to reduce the access delay;it improves the efficiency of content delivery on the global load balance component.In current status,CDN has been a core Internet application as the development of multimedia and network technologies.In this paper,the evolution of CDN and its architecture are introduced;the key component of CDN and mechanism are presented;the taxonomy of CDNs and the performance measured strategies are reviewed.The developing trends of CDN and further topics in this area are also analyzed.