rfc9241v1.txt   rfc9241.txt 
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Category: Standards Track Y. Yang Category: Standards Track Y. Yang
ISSN: 2070-1721 Yale University ISSN: 2070-1721 Yale University
K. Ma K. Ma
Ericsson Ericsson
J. Peterson J. Peterson
NeuStar NeuStar
J. Zhang J. Zhang
Tongji University Tongji University
May 2022 May 2022
Content Delivery Network Interconnection (CDNI) Request Routing: CDNI Content Delivery Network Interconnection (CDNI) Footprint and
Footprint and Capabilities Advertisement Using ALTO Capabilities Advertisement Using Application-Layer Traffic Optimization
(ALTO)
Abstract Abstract
The Content Delivery Networks Interconnection (CDNI) framework in RFC The Content Delivery Networks Interconnection (CDNI) framework in RFC
6707 defines a set of protocols to interconnect CDNs to achieve 6707 defines a set of protocols to interconnect CDNs to achieve
multiple goals, including extending the reach of a given CDN. A CDNI multiple goals, including extending the reach of a given CDN. A CDNI
Request Routing Footprint & Capabilities Advertisement interface Request Routing Footprint & Capabilities Advertisement interface
(FCI) is needed to achieve the goals of a CDNI. RFC 8008 defines the (FCI) is needed to achieve the goals of a CDNI. RFC 8008 defines the
FCI semantics and provides guidelines on the FCI protocol, but the FCI semantics and provides guidelines on the FCI protocol, but the
exact protocol is not specified. This document defines a new exact protocol is not specified. This document defines a new
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