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

In plain English — editorial summary, not part of the RFC

This specification defines a set of additional Capability Objects that provide information about current downstream CDN (dCDN) utilization and specified usage limits to the delegating upstream CDN (uCDN) in order to inform traffic delegation decisions. This document supplements the CDNI Capability Objects, defined in RFC 8008 as part of the Footprint & Capabilities Advertisement Interface (FCI), with two additional Capability Objects: FCI.CapacityLimits and FCI.Telemetry.

Document record

Document ID
RFC9808
Published
July 2025
Authors
A. Ryan; B. Rosenblum; N. Sopher
Status
PROPOSED STANDARD
Stream
IETF
Area
wit
Pages
15
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canonical URL: /rfc/9808-content-delivery-network-interconnection-cdni-capacity-capability-advertisement