Re: [CDNi] FW: New Version Notification for draft-goldstein-cdni-metadata-model-extensions-00.txt

[Kevin Ma <[e-mail]>]

Hi Glenn,

  There are a lot details missing, but based on the descriptions provided,
I have some questions/comments:

  - AllowCompress: why should a dCDN allow a uCDN to dictate its use of
compression?
  - CachePolicy: why should a dCDN allow a uCDN to dictate caching
policies?  could this be achieved with cache-control headers?
  - ComputedCacheKey: is there something specific that is missing from the
existing Cache metadata?
  - NegativeCacheKey: what kind of caching policy for what kind of error?
  - CacheBypassPolicy: is this specifying something that helps the dCDN
identify requests for which to bypass caching?
  - OcnSelection: presumably OCN is open caching node?  does this dictate
how the dCDN RR selects a surrogate?
  - PrivateFeatureList: it's not clear what this one is?
  - RequestedCapacityLimits: why does the uCDN need to control the dCDN
capacity advertisement?  couldn't it just ignore the advertisement?
  - RequestRouting: is this so that the uCDN can dictate how the dCDN
redirects to further dCDNs?  why should a dCDN allow a uCDN to dictate
redirection mode?
  - ServiceIds: it's not clear what these IDs are?
  - SourceMetadataExtended: it would be helpful to see the actual
properties.
  - StaleContentCachingPolicy: similar to other questions about dictating
dCDN policy.
  - TrafficType: it's not clear what the traffic types are or how they
would be used by dCDNs.

thanx.

--  Kevin J. Ma

On Sat, Jul 3, 2021 at 12:07 PM Goldstein, Glenn <[e-mail]>
wrote:

> I have submitted the draft and would like to get feedback before IETF111.
>
>
>
>
>
> ---------- Forwarded message ---------
> From: <[e-mail]>
> Date: Fri, Jul 2, 2021 at 6:40 PM
> Subject: New Version Notification for
> draft-goldstein-cdni-metadata-model-extensions-00.txt
> To: Alfonzo Siloniz <[e-mail]>, Glenn Goldstein <
> [e-mail]>, Guillaume Bichot <[e-mail]>,
> Will Power <[e-mail]>
>
>
>
>
> A new version of I-D, draft-goldstein-cdni-metadata-model-extensions-00.txt
> has been successfully submitted by Glenn Goldstein and posted to the
> IETF repository.
>
> Name:           draft-goldstein-cdni-metadata-model-extensions
> Revision:       00
> Title:          CDNI Metadata Model Extensions
> Document date:  2021-07-02
> Group:          Individual Submission
> Pages:          11
> URL:
> https://www.ietf.org/archive/id/draft-goldstein-cdni-metadata-model-extensions-00.txt
> <https://imss91-ctp.trendmicro.com:443/wis/clicktime/v1/query?url=https%3a%2f%2fwww.ietf.org%2farchive%2fid%2fdraft%2dgoldstein%2dcdni%2dmetadata%2dmodel%2dextensions%2d00.txt&umid=22D06170-C63A-3705-892C-EB603DC34D5C&auth=19120be9529b25014b618505cb01789c5433dae7-f37b10c61c2343edc7c85f0885fe4fc9f8ecca34>
> Status:
> https://datatracker.ietf.org/doc/draft-goldstein-cdni-metadata-model-extensions/
> <https://imss91-ctp.trendmicro.com:443/wis/clicktime/v1/query?url=https%3a%2f%2fdatatracker.ietf.org%2fdoc%2fdraft%2dgoldstein%2dcdni%2dmetadata%2dmodel%2dextensions%2f&umid=22D06170-C63A-3705-892C-EB603DC34D5C&auth=19120be9529b25014b618505cb01789c5433dae7-e6b2d8c24da9cd6d7a1d1e290deaf3b1e1063c74>
> Htmlized:
> https://datatracker.ietf.org/doc/html/draft-goldstein-cdni-metadata-model-extensions
> <https://imss91-ctp.trendmicro.com:443/wis/clicktime/v1/query?url=https%3a%2f%2fdatatracker.ietf.org%2fdoc%2fhtml%2fdraft%2dgoldstein%2dcdni%2dmetadata%2dmodel%2dextensions&umid=22D06170-C63A-3705-892C-EB603DC34D5C&auth=19120be9529b25014b618505cb01789c5433dae7-44dc969cbaf587c7a6009fce5957c7a697e0abe1>
>
>
> Abstract:
>    Open Caching architecture is a use case of Content Delivery Networks
>    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).  This document proposed
>    extensions to the [RFC8006] Medadata Model by way of a set of
>    GenericMetadata objects that address extend the original CDNI
>    capabilites to meet the more general needs of the CDN and Open
>    Caching industry.
>
>
>
>
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