Contribution to Content Delivery Network Analysis

摘要

The very success of the Internet is creating both the networking technology that lies at the Internet's core and the services that use it. In addition, the ossification of the Internet makes the introduction and deployment of new network technologies and services both difficult and costly. The future Internet architecture should preserve the features of best effort while offering differential quality of service (QoS). In order to provide additional functionality and flexibility, an efficient solution is to build the content delivery networks (CDNs) with the specific advantage of optimizing the Internet. After showing in brief the state of the art in the current area, the evolution of content delivery technologies, together with content delivery network functions is described. The final part of the paper deals with potential solutions to the problems in IP networks, together with future content network researches challenges.