SMB Direct is an extension of the Server Message Block technology by Microsoft used for file operations. The Direct part implies the use of various high speed Remote Data Memory Access (RDMA) methods to transfer large amounts of data with little CPU intervention. Chelsio T5 Series iWARP adapters support SMB Direct over Ethernet for Microsoft’s Windows Server 2012.
Related Articles:SMBDirect 40 GbE iWARP vs 56G Infiniband Windows Server 2012 R2 SMB Performance SMBDirect over Ethernet using iWARP on Windows Server 2012 R2 Using Chelsio T5 Unified Wire Network Adapters with industry leading RDMA over Ethernet (iWARP), Chelsio enables Microsoft Windows Server 2012 R2 to deliver superior performance over the range of I/O sizes rivaling that of competing technologies. Chelsio To Demonstrate 40G SMB Direct RDMA Over Ethernet Chelsio’s Terminator 5 (T5) 40G storage technology is a converged interconnect solution that simultaneously supports all of the networking, cluster and storage protocols. Chelsio offers a complete suite of drivers for Windows Server 2012, including NDIS, Network Direct for HPC applications, Network Direct Kernel for system services, iSCSI, FCoE and Hyper-V support for virtualized environments, constituting one of the most comprehensive server adapter solutions that can unleash the full value of a Windows Server installation. Scaling SMB for Server 2012 with RDMA over Ethernet Noteworthy in the Windows Server 2012 release is the introduction to mainstream of technologies that to date have been confined to the High Performance Computing arena. One such technology is RDMA, which underlies the new SMB Direct protocol, part of SMB version 3.0. By using this technology as a transport medium for SMB, unprecedented levels of performance and efficiency can be achieved. Chelsio worked closely with Microsoft to enable this functionality via its high performance implementation of RDMA over Ethernet – iWARP. Running Microsoft SQL on IBM servers using Chelsio NICs The new SMB Direct storage protocol in Windows Server 2012 provides for extremely fast responses to network requests, and as a result, makes remote file storage respond similarly to directly attached block storage. The protocol also offloads CPU cycles when transferring data over the network, which leaves more cycles available to server applications. SMB 3.0 over iWARP with Chelsio NICs RDMA is one of the technologies that is making the transition from specialized HPC use to mainstream networking and storage applications. In Windows Server 2012, the technology underlies the new SMB Direct protocol, a major enhancement to the SMB 3.0 version shipping with this release. By utilizing RDMA as a transport for SMB, unprecedented levels of performance and efficiency can be achieved. Chelsio worked closely with Microsoft to enable this functionality on its Unified Wire Network adapters, making use of Chelsio’s leading implementation of iWARP, the standard for RDMA over Ethernet. SMB Direct over Ethernet Using Chelsio Unified Wire Network Adapters with industry leading RDMA over Ethernet (iWARP), Chelsio enables Microsoft Windows Server 2012 to deliver superior performance in the areas of high bandwidth and low CPU utilization rivaling that of competing technologies.
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