ITGuru is a powerful simulation environment developed by OpNET Corporation. ITGuru is unique because of its ability to model the entire networking domain, including its routers, switches, protocols, servers, and the individual applications they support. ITGuru improves network researchers' and instructors' ability to identify and solve problems throughout the network. The OpNET Corporation provides a FREE academic copy of their simulation environment to universities for both teaching and research.
Journal of Computing Sciences in Colleges
Victor A. Clincy. 2005. Using an easy-to-use and free tool in teaching and researching networks and security issues. J. Comput. Small Coll. 21, 2 (December 2005), 7-9.