InfiniBand vs. Ethernet vs. Ultra Ethernet
The high-performance computing (HPC) and data center realms are witnessing a dynamic interplay between InfiniBand, Ethernet, and the emerging Ultra Ethernet. Each technology offers distinct strengths and caters to specific application demands. InfiniBand Historically, InfiniBand has been the preferred choice for HPC environments due to its exceptionally low latency and high bandwidth. It was architected for data-centric workloads, providing robust error correction, congestion control, and efficient data transfers. While offering unparalleled performance, InfiniBand has traditionally been associated with higher costs and a less extensive ecosystem compared to Ethernet. Ethernet Ethernet, once primarily a technology for local area networks (LANs), has undergone a remarkable evolution. Advancements in Ethernet technology, such as RDMA (Remote Direct Memory Access) and low-latency switches, have significantly bridged the performance gap with InfiniBand. Its ubiquity, cost-effectiveness, an...
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