In this challenging economical era of Internet and Globalization, the need for more and more data distribution to different users on various types of networks in short time and at a nominal cost has also been amplified drastically. The widespread growth of the World Wide Web has made information easy to disseminate and distribute over a network of computer networks i-e Internet. Content Distribution Network (CDN) is a system of computers holding copies of data, placed at different nodes in a network in order to maximize bandwidth for access to the data from clients throughout the...