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RFC 9808 - Content Delivery Network Interconnection (CDNI) Capacity Capability Advertisement Extensions

  • Status: Proposed Standard
  • Published: July 2025
  • Stream: IETF
  • Pages: 15
  • Errata: No Errata

Abstract​

This specification defines additional CDNI Capability Objects that let a downstream CDN advertise current utilization and specified capacity limits to an upstream CDN. It supplements the RFC 8008 Footprint & Capabilities Advertisement Interface (FCI) with FCI.CapacityLimits and FCI.Telemetry objects to support traffic delegation decisions.

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