Networking technology has become too complex for traditional analytical methods or "rules of thumb" to yield an accurate understanding of system behavior.

Since 1986, OPNET Technologies Inc., has been the leader in developing predictive software solutions for networking professionals. OPNET software enables its users to optimize the performance and maximize the availability of communications networks and applications.

OPNET is the state-of-art network simulation tool for modeling, simulating and analysing the performance of :
	Communication Networks, Distributed Systems
	Computer systems and Applications