TOE技术及其在IP存储环境下的性能研究  

TOE Techonlogy and It 's Performance Evaluation under IP Storage Enviornment

作　　者：胡风华[1] 侯紫峰[1] 祝明发[2] 

机构地区：[1]中国科学院研究生院计算技术研究所,北京100080 [2]中国科学技术大学研究生院,安徽合肥230026

出　　处：《微电子学与计算机》2004年第2期90-94,共5页Microelectronics & Computer

基　　金：国家863计划项目(2002AA104420)

摘　　要：文章对TOE技术的原理进行了阐述,然后对其减载技术途径和实现方式进行描述和比较,并对使用TOE技术的网卡和普通网卡时的网络带宽、延迟、iSCSI磁盘的读写带宽和延迟、CPU占用率等进行了测试。测试结果证明:TOE技术适合于应用在IPSAN存储环境中,它能显著改善主机CPU占用率,提升应用系统性能和存储系统性能。At first,principle of TCP Offload Engine(TOE)is introduced,then it's offloading technology road and implemen-tation are presented and compared respectively.Moreover,network throughput,latency,iSCSI read/write bandwidth,latency and CPU utilization are tested when TOE network adapter and traditional network adapter are used.Through comparing and analyzing test result,it is concluded that TOE technology is adaptable to IP SAN environment in that it can remarkably lower host CPU utilization and improve overall system performance.

关 键 词：以太网 局域网 网络带宽 TOE技术 IP协议 网络处理器 

分 类 号：TP393.11[自动化与计算机技术—计算机应用技术]