当前网络存储中零拷贝技术浅析  

Analysis of current zero-copy technology in network storage

作　　者：杨小虎[1] 俞建新[1] 

机构地区：[1]南京大学计算机科学与技术系,江苏南京210093

出　　处：《计算机工程与设计》2006年第4期602-604,共3页Computer Engineering and Design

摘　　要：零拷贝技术能有效消除端系统中非必要的拷贝过程,大大提高网络吞吐率,降低网络存储中的通讯延迟,提高存储效率。介绍了几种网络存储中的零拷贝技术,特别是RDMA技术,并对其特点进行了比较分析,展望了未来零拷贝技术的发展前景。Zero-copy technology can remove unnecessary copy process in end-system efficiently, improve network throughout and increase communication speed in network storage. In this way, zero-copy technology can improve storage efficacy. Several zero-copy technologies in network storage especially RDMA technology were introduced. And their characteristics by comparison were analyzed.

关 键 词：RDMA 零拷贝 网络存储 NIC 

分 类 号：TP39[自动化与计算机技术—计算机应用技术]