【摘要】 针对目前应用于高校数字图书馆中网络存储技术系统的DAS、SAN和NAS三种模式,利用图示的方法介绍了三种系统的涵义。三种系统各有优缺点和局限性,在实际应用中应予以注意。通过比较分析,得出了SAN是存储技术的发展方向也是数字图书馆存储发展趋势的结论。更多还原

【Abstract】 At present,there are three kinds of network memory systems:DAS,SAN and NAS in the university digital library.In this paper,the meanings of the three kinds of memory system models are introduced by graphical representation method.By comparison,we found that these three systems have their advantages and disadvantages.Through analysis,we drew a conclusion that SAN is the trend of digital library and the developmental direction of memory technical system.更多还原