网络管理中很大一部分工作是保持与网络上设备的联系，检验网络的工作性能．以及诊断和纠正问题。网络产业正努力向能自动完成这些任务的方向发展。这些努力导致了两个独特的，但又相似的网络管理协议的产生，即简单网络管理协议（简称SNMP）和公共管理信息协议（简称CMIP）。S A large part of the network management work is to maintain contact with the network equipment, test network performance. As well as diagnose and correct problems. The network industry is working hard to automate these tasks. These efforts led to the emergence of two distinct but similar network management protocols, Simple Network Management Protocol (SNMP) and Common Management Information Protocol (CMIP). S