{"draft":"draft-ietf-cdni-metadata-21","doc_id":"RFC8006","title":"Content Delivery Network Interconnection (CDNI) Metadata","authors":["B. Niven-Jenkins","R. Murray","M. Caulfield","K. Ma"],"format":["ASCII","HTML"],"page_count":"66","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Content Delivery Networks Interconnection","abstract":"The Content Delivery Network Interconnection (CDNI) Metadata\r\ninterface enables interconnected Content Delivery Networks (CDNs) to\r\nexchange content distribution metadata in order to enable content\r\nacquisition and delivery.  The CDNI Metadata associated with a piece\r\nof content provides a downstream CDN with sufficient information for\r\nthe downstream CDN to service content requests on behalf of an\r\nupstream CDN.  This document describes both a base set of CDNI\r\nMetadata and the protocol for exchanging that metadata.","pub_date":"December 2016","keywords":["CDN","cascaded CDN","cascading CDNs","content acquisition","content delegation","request delegation","acquisition protocol","delivery restriction","delivery policy","policy enforcement","delivery protocol","content expiration","geo-fencing","geofencing","geo fencing","geo-blocking","geoblocking","geo blocking","footprint","cache control"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC8006","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc8006"}