You will deploy a converged Storage Spaces Direct solution on an Ethernet fabric and want to avoid requiring Data Center Bridging (DCB). Which RDMA networking technology should you choose?
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Correct answer: iWARP.
Why this is the answer
iWARP (Internet Wide Area RDMA Protocol) is the correct choice because it leverages TCP/IP for reliable transport, eliminating the need for Data Center Bridging (DCB) configurations. DCB is required for RoCE (RDMA over Converged Ethernet) to ensure lossless Ethernet, which is crucial for RDMA performance. InfiniBand is a high-performance fabric but is a separate networking technology, not an RDMA over Ethernet solution. RoCEv1 and RoCEv2 both require DCB to guarantee lossless transport for optimal RDMA operation.
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