RFC 3720

Internet Small Computer Systems Interface (iSCSI), April 2004

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Obsoleted by:
RFC 7143
Updated by:
RFC 3980, RFC 4850, RFC 5048, RFC 7146
J. Satran
K. Meth
C. Sapuntzakis
M. Chadalapaka
E. Zeidner
ips (tsv)

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DOI:  https://doi.org/10.17487/RFC3720

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This document describes a transport protocol for Internet Small Computer Systems Interface (iSCSI) that works on top of TCP. The iSCSI protocol aims to be fully compliant with the standardized SCSI architecture model. SCSI is a popular family of protocols that enable systems to communicate with I/O devices, especially storage devices. SCSI protocols are request/response application protocols with a common standardized architecture model and basic command set, as well as standardized command sets for different device classes (disks, tapes, media-changers etc.). As system interconnects move from the classical bus structure to a network structure, SCSI has to be mapped to network transport protocols. IP networks now meet the performance requirements of fast system interconnects and as such are good candidates to "carry" SCSI. [STANDARDS-TRACK]

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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