First, this article introduces NAS, SAN and IP-SAN structure, characteristic and NASD and OBS, new technologies being researched. Second, it analyses how network storage will develop in the future.

• 首先论述NAS、SAN和IP-SAN的结构、特点以及目前正在研究的网络存储新技术NASD和OBS,然后分析网络存储未来发展的趋势。