【摘要】 本文讨论了ＩｎｔｅｒｎｅｔＩＰ地址的域名表示方法，由于ＩＰ地址资源的有限性，本文由此出发讨论了在Ｉｎｔｅｒｎｅｔ上的共享地址问题，集中动态分配地址问题和域名的扩展问题，从而得到ＩＰ地址资源是有限的，但实际使用又是无限的结论。更多还原

【Abstract】 In this paper, How the Internet IP address is presented in Domain name is discussed. Due to the resource of the IP address is limited, this paper discusses the problems of IP address shared, and the problemof IP address asigned dynamically in centralization, and the problem of Domain name extended. At the last, results in comculusion: the resouce of IP address is limited as well as unlimited in the practical applications.更多还原