In the first chapter, the back ground and development of TCP/IP protocols suits and DHCP has been introduced, and the comparison between Ipv4 and Ipv6 has been made.

• 本文分为四章。 在第一章中对TCP/IP协议簇，DHCP的背景和发展做了基本的概述，同时对Ipv4，Ipv6做了比较。