NETWORKSIMULATIONSWITHOPNET.PDF

Proceedings of the 1999 Winter Simulation Conference P. A. Farrington, H. B. Nembhard, D. T. Sturrock, and G. W. Evans, eds. NETWORK SIMULATIONS WITH OPNET Xinjie Chang Network Technology Research Center School of EEE Nanyang Technological University SINGAPORE 639798 ABSTRACT situations or by various underlying subnetwork technologies in a lab test-bed environment (NIST NET Several computer network simulators are compared. One Homepage). of the most powerful software simulation package-OPNET Some examples of academic simulators include: is introduced in detail. The implementation details of the network models in OPNET are given. Some simulation REAL: REAL is a simulator for studying the dynamic examples are also illustrated. behavior of flow and congestion control schemes in packet switch data networks. Network topology, protocols, data 1 NETWORK SIMULATION and control parameters are represented by Scenario, which are described using NetLanguage, a simple ASCII Simulation Modeling is becoming an increasingly popular