Chapter 3 Network Architeture and standarts Single Layer Model First Communication Between Computer Devices The communication and application software be intermingled (To mix The early networks were not flexible Single specification for all aspects of communication Hardware Hardware & Software Software DEVICE A DEVICE B network Management and operation www.gxmu.edu.cnNetwork Management and Operation www.gxmu.edu.cn Single Layer Model First Communication Between Computer Devices The communication and application software be intermingled (To mix). DEVICE A Hardware & Software Hardware & Software DEVICE B 1 The early networks were not flexible. Single specification for all aspects of communication Chapter 3 Network Architetures and Standarts