CDNSim is a simulation model for Content Distribution Networks (CDNs), built on OMNeT++ 3.x and a modified INET Framework. It includes modeling of redirection policies, cache policies, TCP/IP and more.

Paper: K. Stamos, G. Pallis, A. Vakali: “Integrating Caching Techniques on a Content Distribution Network”. In Proceedings of the 10th East-European Conference on Advances in Databases and Information Systems, LNCS series of Springer Verlag, Thessaloniki, Greece, September 2006.