What happened
AMD, Broadcom, and Nvidia, alongside hyperscalers Microsoft, Meta, and OpenAI, established the Optical Compute Interconnect (OCI) Multi-Source Agreement (MSA) group. This initiative defines an open optical connectivity specification for scale-up interconnections within large AI systems and racks. The OCI MSA aims to replace copper with optical cables for high-speed connections, supporting existing protocols like UALink and NVLink. This hyperscaler-driven MSA will simplify system integration, reduce development risk, and shorten deployment cycles for AI hardware.
Why it matters
Standardised optical interconnects will reduce vendor lock-in and accelerate AI infrastructure deployment for platform engineers and procurement teams. The OCI MSA's focus on a common optical physical layer and unified components ensures interoperability across diverse accelerator protocols, offering hyperscalers greater flexibility and competitive advantage. This initiative streamlines system integration and shortens deployment cycles, affecting the cost and timeline for scaling large AI clusters.
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