Chapter 18 NETWORK DESIGN AND IMPLEMENTATION J33 18.5 Network Design This is very difficult work. After alternatives has been gathered. begin to design Modeling. Simulation Traffic patterns. Response times Line turn aroud times Router and modem speeds. This must be estimated www.gxmu.edu.cn18.5 Network Design This is very difficult work. After alternatives has been gathered. begin to design. Modeling. Simulation. Traffic patterns. Response times . Line turn aroud times. Router and modem speeds. This must be estimated. www.gxmu.edu.cn Chapter 18 NETWORK DESIGN AND IMPLEMENTATION