CDNSim is a simulation model for Content Distribution Networks (CDNs), built on OMNeT++ 3.x and a modified INET Framework. Author: Konstantinos Stamos, 2005-2009. License: GPL.

Features:

• Cooperative push based content management policy.
• Non-Cooperative push based content management policy.
• Cooperative pull based content management policy.
• Non-Cooperative pull based content management policy.
• LRU cache replacement policy.
• STATIC cache policy.
• TCP / IP networking.
• Wizard for creating self-contained simulations (bottles).
• Utility for executing unattended simulations.
• Utility for automatically generating results' reports.
• Utility for extracting statistics related to net-utility.
• Utility for converting Apache log files into CDNsim trace files.
• Extensible by implementing modules in the form of libraries.