Chapter 18 NETWORK DESIGN AND IMPLEMENTATION J33 Simulation tools OPNET NS (Network simulator Matlab COSSAP SPW WANDL QuaINet Agilent's routerTester NetIQ NetPredictENetPredictor www.gxmu.edu.cnSimulation tools It is also useful for doing detailed analysis of theeffects of queuing. www.gxmu.edu.cn The use of network simulation methods to better grasp the design of network planning, network transformation and upgrading. Tools… OPNET NS（Network Simulator） Matlab COSSAP SPW WANDL QualNet Agilent’s RouterTester NetIQ NetPredict的NetPredictor Chapter 18 NETWORK DESIGN AND IMPLEMENTATION