Chapter 18 NETWORK DESIGN AND IMPLEMENTATION J33 The simulation of networks is quite complex. but the results can be invaluable A simulation model not only helps to make the most of the available resources but also confirms that changes planned for the network will have the desired effect www.gxmu.edu.cnThe simulation of networks is quite complex, but the results can be invaluable. A simulation model not only helps to make the most of the available resources but also confirms that changes planned for the network will have the desired effect. www.gxmu.edu.cn Chapter 18 NETWORK DESIGN AND IMPLEMENTATION