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OpenAI (training fabric fragment)

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Walkthrough

MRC multipath RDMA + static SRv6

Published training-cluster networking themes: spray across paths, stop using failed paths, embed path with static SRv6. Edge/CDN for ChatGPT remains a known unknown.

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RDMA transferSpray pathsGPU trainerRDMA NICMultipath fabricmany pathsPeer GPU

A large training transfer spreads across many fabric paths (MRC multipath RDMA). Single-path RDMA collapses when a link fails; MRC is published as resilience for AI training fabrics.