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As the introduction of SAN progresses for the purpose of the storage management cost reduction, iSCSI is expected as a representative of IP-SAN that uses IP network. However, SAN is mostly used only in the server site currently. Thus we have claimed iSCSI can be employed in a WAN environment using VPN, as well as in a local environment. In this paper, the behavior of the TCP Congestion Window is observed and the performance of the system is evaluated when iSCSI access through multiple connections is performed using a multi-routing function of a VPN router. Furthermore, we have examined the iSCSI access method with mutiple connections on VPN when a parallel storage system is used as Target of network storage.
Digital Information Management, 2007. ICDIM '07. 2nd International Conference on (Volume:2 )
Date of Conference: 28-31 Oct. 2007