InfiniBand, Omni-Path, and High-Speed Ethernet for Beginners
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TimeMonday, 18 November 20198:30am - 12pm
DescriptionInfiniBand (IB), Omni-Path, and High-Speed Ethernet (HSE) technologies are generating a lot of excitement toward building next-generation High-End Computing (HEC) systems including clusters, datacenters, file systems, storage, cloud computing, and Big Data (Hadoop, Spark, HBase, and Memcached) environments. RDMA over Converged Enhanced Ethernet (RoCE) technology is also being widely deployed.

This tutorial will provide an overview of these emerging technologies, their offered architectural features, their current market standing, and their suitability for designing HEC systems. It will start with a brief overview of IB, Omni-Path, and HSE. An in-depth overview of the architectural features of IB, Omni-Path, and HSE (including iWARP and RoCE), their similarities and differences, and the associated protocols will be presented. Next, an overview of the OpenFabrics stack which encapsulates IB, HSE, and RoCE (v1/v2) in a unified manner will be presented. An overview of libfabrics stack will also be provided. An overview of the emerging NVLink, NVLink2, and NVSwitch architectures will also be given. Hardware/software solutions and the market trends behind IB, Omni-Path, HSE, and RoCE will be highlighted. Finally, sample performance numbers of these technologies and protocols for different environments will be presented.
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