Open Caching: CDNI Metadata Model Extensions
summary
The SVA produces a three‑part specification that extends RFC8006 with concrete metadata fields and a simple publish API and an advanced life‑cycle API for publishing, versioning, rollback. After a 15‑month industry collaboration it adds processing stages with an expression language, origin access methods (including AWS auth), load‑balancing and failover, cache‑key and negative‑cache controls, traffic types and private features. An IETF draft exists and some extensions may be accepted while others remain under review.
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