The iSCSI Extensions for RDMA (iSER) is a computer network protocol that extends the Internet Small Computer System Interface (iSCSI) protocol to use Remote Direct Memory Access (RDMA). Typically RDMA is provided by either the Transmission Control Protocol (TCP) with RDMA services (iWARP) or InfiniBand. It permits data to be transferred directly into and out of SCSI computer memory buffers (which connects computers to storage devices) without intermediate data copies.
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