| Performance analysis of an iSCSI-based unified storage network |
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| 引用本文： | 傅湘林,张琨,谢长生. Performance analysis of an iSCSI-based unified storage network[J]. Journal of Zhejiang University. Science. B, 2004, 0(1) |
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| 作者姓名： | 傅湘林 张琨 谢长生 |
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| 作者单位： | Institute of Computing Technology，Chinese Academy of Sciences，National Storage System Laboratory，School of Computer Science，Huazhong University of Science and Technology，National Storage System Laboratory，School of Computer Science，Huazhong University of Science and Technology Beijing 100080，China，Wuhan 430074，China，Wuhan 430074，China |
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| 基金项目： | ProjectsupportedbytheNationalNaturalScienceFoundationofChina (No .60 173 0 43 )andtheNationalBasicResearchProgram( 973 )ofChina(No .G19990 3 3 0 0 6) |
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| 摘 要： | INTRODUCTIONNASisatermusedtorefertostorageele mentsthatconnecttoanetworkandprovidefileaccessservicestocomputersystems.Incommonusage ,aNASsystemisaspecial purposedevicethatisdesignedtoservefilestoclientsoveraLAN .Therearemanybenefitsinthearchitec ture:heterogeneousfilesharing ;internalre sourcepooling;exploitationoftheexistingin frastructure;simplicityofimplementation ;con nectivity;improvedmanageability;reductionoftotalcostofownership ;andsoon .Butinprac tice,therearestillmanydrawbacks…
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Performance analysis of an iSCSI-based unified storage network |
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| Abstract: | In this paper, we introduced a novel storage architecture "Unified Storage Network", which merges NAC(Network Attached Channel) and SAN(Storage Area Network), and provides the file I/O services as NAS devices and provides the block I/O services as SAN. To overcome the drawbacks from FC, we employ iSCSI to implement the USN(Unified Storage Network). To evaluate whether iSCSI is more suitable for implementing the USN, we analyze iSCSI protocol and compare it with FC protocol from several components of a network protocol which impact the performance of the network. From the analysis and comparison, we can conclude that the iSCSI is more suitable for implementing the storage network than the FC under condition of the wide area network. At last, we designed two groups of experiments carefully. |
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| Keywords: | iSCSI Network Attached Channel (NAC) Unified Storage Networks (USN) NAS (Network Attached Storage) SAN (Storage Area Network) |
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