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

[Nir Sopher <[e-mail]>]

😀😃🙂🙃😊

On Fri, Jul 21, 2023, 17:19 Mishra, Sanjay <sanjay.mishra=
[e-mail]> wrote:

> Hi Kevin - Thank you and greatly appreciate your help all the way and over
> the finish line.
>
> Thanks
> Nir and Sanjay
>
> On Fri, Jul 21, 2023 at 8:56 AM Kevin J. Ma <[e-mail]>
> wrote:
>
>> 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, [e-mail] 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:    [e-mail],
>> >                    [e-mail]
>> >        Pages:      11
>> >        Updates:    RFC 8008
>> >
>> >        I-D Tag:    draft-ietf-cdni-additional-footprint-types-12.txt
>> >
>> >        URL:
>> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.rfc-2Deditor.org_info_rfc9388&d=DwIGaQ&c=udBTRvFvXC5Dhqg7UHpJlPps3mZ3LRxpb6__0PomBTQ&r=XniVbishGiO2Ao9hKqSc-hTVIWCi3T-x6GdHR4ZTgoM&m=qr4E8aH9vgD6KHcfuKR80KM-SVaCecyWU4BzI2rF_t-49wo5KwKnV8hpTiszbX77&s=JCSqdlu1jrq9uPbuTy5yCe7mUypc_CsIPNQimX_j7nY&e=
>> >
>> >        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 (
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