RFC 7975

Request Routing Redirection Interface for Content Delivery Network (CDN) Interconnection, October 2016

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B. Niven-Jenkins, Ed.
R. van Brandenburg, Ed.
cdni (wit)

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DOI:  https://doi.org/10.17487/RFC7975

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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.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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