%% You should probably cite rfc7975 instead of this I-D. @techreport{ietf-cdni-redirection-19, number = {draft-ietf-cdni-redirection-19}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-cdni-redirection/19/}, author = {Ben Niven-Jenkins and Ray van Brandenburg}, title = {{Request Routing Redirection interface for CDN Interconnection}}, pagetotal = 31, year = 2016, month = jul, day = 26, abstract = {The Request Routing Interface comprises (1) the asynchronous advertisement of footprint and capabilities by a downstream Content Delivery Network (CDN) that allows an upstream CDN to decide whether to redirect particular user requests to that downstream CDN; and (2) the synchronous operation of an upstream CDN requesting whether a downstream CDN is prepared to accept a user request and of a downstream CDN responding with how to actually redirect the user request. This document describes an interface for the latter part, i.e., the CDNI Request Routing Redirection interface.}, }