[alto] RFC 9241 on Content Delivery Network Interconnection (CDNI) Footprint and Capabilities Advertisement Using Application-Layer Traffic Optimization (ALTO)

A new Request for Comments is now available in online RFC libraries.

        RFC 9241

        Title:      Content Delivery Network Interconnection (CDNI) 
                    Footprint and Capabilities Advertisement Using 
                    Application-Layer Traffic Optimization (ALTO) 
        Author:     J. Seedorf,
                    Y. Yang,
                    K. Ma,
                    J. Peterson,
                    J. Zhang
        Status:     Standards Track
        Stream:     IETF
        Date:       July 2022
        Mailbox:    jan.seedorf@hft-stuttgart.de,
                    yry@cs.yale.edu,
                    kevin.j.ma.ietf@gmail.com,
                    jon.peterson@neustar.biz,
                    jingxuan.zhang@tongji.edu.cn
        Pages:      42
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-alto-cdni-request-routing-alto-22.txt

        URL:        https://www.rfc-editor.org/info/rfc9241

        DOI:        10.17487/RFC9241

The Content Delivery Networks Interconnection (CDNI) framework in RFC
6707 defines a set of protocols to interconnect CDNs to achieve
multiple goals, including extending the reach of a given CDN. A CDNI
Request Routing Footprint & Capabilities Advertisement interface
(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
exact protocol is not specified. This document defines a new
Application-Layer Traffic Optimization (ALTO) service, called "CDNI
Advertisement Service", that provides an implementation of the FCI,
following the guidelines defined in RFC 8008.

This document is a product of the Application-Layer Traffic Optimization Working Group of the IETF.

This is now a Proposed Standard.

STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the 
standardization state and status of this protocol.  Distribution of this 
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