ISCSI Extensions for RDMA

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LIO Target
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InfiniBand iSER fabric module
Original author(s) Nicholas Bellinger
Developer(s) Datera, Inc.
Written in C
Operating system Linux
Type Fabric module
License GNU General Public License
Website datera.io
See Target for a complete overview over all fabric modules.

iSCSI Extensions for RDMA (iSER) is a network protocol that extends iSCSI to use RDMA.

Contents

Overview

iSER permits data to be transferred directly into and out of remote SCSI computer memory buffers without intermediate data copies by using RDMA. RDMA is provided by InfiniBand networks, RoCE over "lossless" (DCB) Ethernet networks, and by iWARP enhanced TOE NICs over standard Ethernet networks.

An InfiniBand iSER fabric module for the Unified Target is currently being implemented as a joint development effort between Datera, Inc. and Mellanox. It is planned for release with Linux kernel version 3.10.

History

An RDMA consortium was announced on May 31, 2002 with a goal of product implementations by 2003.[1] The consortium released their proposal in July, 2003.[2] The protocol specifications were published as drafts in September 2004 in the Internet Engineering Task Force and issued as RFCs in October 2007.[3][4] The OpenIB Alliance was renamed in 2007 to be the OpenFabrics Alliance, and then released an open source software package.[5]

RFCs

See also

Notes

  1. "Open Consortium Developing Specifications for Remote Direct Memory Access Over TCP/IP Networks". press release. 2002-05-31. 
  2. Mike Ko, et al. (July 2003). "iSCSI Extensions for RDMA Specification (Version 1.0)". 
  3. M. Ko et al. (October 2007). "Internet Small Computer System Interface (iSCSI) Extensions for Remote Direct Memory Access (RDMA)". RFC 5046. 
  4. M. Chadalapaka et al. (October 2007). "DA: Datamover Architecture for the Internet Small Computer System Interface (iSCSI)". RFC 5047. 
  5. "OpenFabrics Alliance". official web site. 

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