Why Networking? ?通常，通信只涉及两个用户。为何要组网？ Commun.Resources HAD TO BE SHARED. 开始时，用户必须直接互联 1878,Bell电话公司设置交换局 1890,Bell系统的电话网络 RESOURCE ALLOCATION is the key point. NETWORK NETWORKING All the Mechanisms,Protocols, The set of resources Algorithms that make it work to be sharing. CORECTLY,RELIABLY,FAIRLY, and EFFECIENTLY. 2021年秋季 4/36 无线互联网Why Networking? 2021年秋季 4 / 36 无线互联网 通常，通信只涉及两个用户。为何要组网？ Commun. Resources HAD TO BE SHARED. 开始时，用户必须直接互联 1878，Bell电话公司设置交换局 1890，Bell系统的电话网络 RESOURCE ALLOCATION is the key point. NETWORKING All the Mechanisms, Protocols, Algorithms that make it work CORECTLY, RELIABLY, FAIRLY, and EFFECIENTLY. NETWORK The set of resources to be sharing