Re: [CDNi] RFC 9388 on Content Delivery Network Interconnection (CDNI) Footprint Types: Country Subdivision Code and Footprint Union

Congrats and great job to the authors for getting RFC9388 over the line!

Sent from my iPhone

> On Jul 20, 2023, at 8:04 PM, rfc-editor@rfc-editor.org wrote:
> 
> A new Request for Comments is now available in online RFC libraries.
> 
> 
>        RFC 9388
> 
>        Title:      Content Delivery Network Interconnection (CDNI) 
>                    Footprint Types: Country Subdivision Code and 
>                    Footprint Union 
>        Author:     N. Sopher,
>                    S. Mishra
>        Status:     Standards Track
>        Stream:     IETF
>        Date:       July 2023
>        Mailbox:    nir@apache.org,
>                    sanjay.mishra@verizon.com
>        Pages:      11
>        Updates:    RFC 8008
> 
>        I-D Tag:    draft-ietf-cdni-additional-footprint-types-12.txt
> 
>        URL:        https://www.rfc-editor.org/info/rfc9388
> 
>        DOI:        10.17487/RFC9388
> 
> Open Caching architecture is a use case of Content Delivery Network
> Interconnection (CDNI) in which the commercial Content Delivery
> Network (CDN) is the upstream CDN (uCDN) and the ISP caching layer
> serves as the downstream CDN (dCDN). RFC 8006 defines footprint types
> that are used for footprint objects as part of the Metadata interface
> (MI). The footprint types are also used for the Footprint &
> Capabilities Advertisement interface (FCI) as defined in RFC 8008.
> This document defines two new footprint types. The first footprint
> type defined is an ISO 3166-2 country subdivision code. Defining this
> country subdivision code improves granularity for delegation as
> compared to the ISO 3166-1 country code footprint type defined in RFC
> 8006.  The ISO 3166-2 country subdivision code is also added as a new
> entity domain type in the "ALTO Entity Domain Types" registry defined
> in Section 7.4 of RFC 9241. The second footprint type defines a
> footprint union to aggregate footprint objects. This allows for
> additive semantics over the narrowing semantics defined in Appendix B
> of RFC 8008 and therefore updates RFC 8008. The two new footprint
> types are based on the requirements raised by Open Caching but are
> also applicable to CDNI use cases in general.
> 
> This document is a product of the Content Delivery Networks Interconnection 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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