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A caching strategy to improve iSCSI performance

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3 Author(s)
Xubin He ; Electr. & Comput. Eng., Tennessee Technol. Univ., Cookeville, TN, USA ; Qing Yang ; Ming Zhang

iSCSI is one of the most recent standards that allows SCSI protocols to be carried out over IP networks. However, to encapsulate the SCSI protocol over IP requires a significant amount of overhead traffic for SCSI commands transfers and handshaking over the Internet. In this paper, we propose a caching scheme, called iCache, to improve the iSCSI performance. iCache uses a log disk along with a piece of non-volatile RAM to cache the iSCSI traffic. Through an efficient caching algorithm, iCache can significantly improve performance over current iSCSI systems. Numerical results using popular benchmark program and real world trace have shown dramatic performance gain.

Published in:

Local Computer Networks, 2002. Proceedings. LCN 2002. 27th Annual IEEE Conference on

Date of Conference:

6-8 Nov. 2002