ACDN: active content distribution network

Authors:
Yan Chen;Zeng-zhi Li;Zhi-gang Liao
Affiliations:
Department of Computer Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, China;Department of Computer Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, China;Department of Computer Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, China
Venue:
APWeb'05 Proceedings of the 7th Asia-Pacific web conference on Web Technologies Research and Development
Year:
2005

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Abstract

A novel dynamic and active CDN architecture based on active network (ACDN) is proposed. The programmable character of active network makes it easier and quicker to configure new replica servers as well as deploy new policies on demand. A genetic algorithm (GA) based replica server placement optimization algorithm is designed and implemented, as well as active anycast-like user request routing method and policy-based content distribution mechanism. To demonstrate the utility of ACDN model, we implemented a prototype of ACDN, which using extended ANTS active network execution environment. The results show that our approach is reasonable and can satisfied access delay of web application.