The development of digital library asks for centralized storage of the large amount of digital sources 摘要数字化图书馆的建设与发展带来的海量数字资源提出集中存储的需求。
Because different network operating systems and applications store their own information in different location , information ca n ' t store in a center database , which make administration and maintenance more difficult . it is directory service that resolved this sort of difficulty by means of information ' s centralized storage 不同网络操作系统和不同应用程序分散存储着大量信息,信息无法集中存储在一个中心数据库中,加重了管理员管理和维护的负担,目录服务则通过信息的集中存储解决了现实中面临的管理和维护的困难。