First of all, we discuss some basis concepts and ways of network management. And we point out reasons why the stereotyped telnet tools exist by introduce shortcoming of the other network management tools.

• 本文首先介绍了网络管理的基本概念和当前网络管理的基本方法，介绍了当前多种网络管理方法的不足之处，指出了Telnet存在的理由。