The Juniper Validated Design (JVD) for AI data centers integrates Juniper Apstra, AMD MI300X GPUs, and VAST storage to deliver a scalable, high-performance, lossless Ethernet fabric optimized for AI workloads. The architecture features a rail-optimized, stripe-based GPU backend fabric, a lightweight frontend fabric for orchestration, and a high-throughput storage backend. Key benefits include automation via Apstra, predictable scaling using Clos IP fabrics, and minimized job completion times through RoCEv2 and congestion management techniques like DCQCN and DLB. The design supports up to 73,728 GPUs and is extensively validated for deployment confidence.

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