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The Path to Zero Flap: Reinventing Optical Reliability for Scalable AI Clusters presented by Credo#

OCP Global Summit 2025 digest Program Core pick 13–16 October 2025

Speakers: Stephen Manley (Oracle), Bill Brennan (Credo)

Play the recording: The Path to Zero Flap: Reinventing Optical Reliability for Scalable AI Clusters presented by Credo

  • Why: The headline number — commodity pluggable optics at up to 30,000 FITs — is the reliability crisis in AI fabrics in one figure, and a single flapping link can kill a training run. This also launches a new OCP optical-reliability workstream, so it's a standards signal, not just a vendor demo.
  • What: A joint Oracle/Credo "Zero Flap" optical solution aiming to eliminate unplanned link flaps in million-GPU backend networks, combining host- and line-side telemetry, in-band messaging, event logging, and predictive analytics. Architecture is being contributed to OCP to seed a new workstream; initial results are promised. (from abstract only)
  • How: Correlate host-side and line-side telemetry with in-band messaging between link endpoints, log events, and predict failures before they become flaps — moving reliability from reactive BER monitoring to prediction.
  • Where applicable: Jointly developed for Oracle's AI infrastructure with Credo silicon — partly vendor-specific — but the contribution to OCP is intended to make the framework open and general. The FIT figure for commodity pluggables is an industry-wide baseline.