Subject: Re: [CDNi] Proposal for a CDNI Metadata model & interface

From: Kevin J Ma <[email-masked]>
Date: Fri, 30 Sep 2011 00:00:10 -0400

Hi Ben,

  I read through the draft and had a couple of questions:

  - The Site has a list of DeliveryGlobs which identify a set of URIs to
    which Restrictions apply?  Do all restrictions apply to all globs,
    or can individual restrictions be associated with individual globs?

  - The SelectionACL seems to suggest Surrogate selection restrictions,
    but is Surrogate information not intra-CDN information and outside
    the scope of CDNI?

  - The origin parameters seem HTTP specific?  Should they be encapsulated
    based on an origin protocol?  Would the origin protocol not be related
    to the DeliveryProtocol in some way?  Could there also be support for
    multiple origin protocols and DeliveryProtocols within a Site?

thanx.

--  Kevin J. Ma

> -----Original Message-----
> From: [email-masked] [mailto:[email-masked]] On Behalf Of
> Ben Niven-Jenkins
> Sent: Monday, September 12, 2011 10:08 AM
> To: [email-masked]
> Subject: [CDNi] Proposal for a CDNI Metadata model & interface
> 
> Colleagues,
> 
> We just uploaded a proposal for a CDNI Metadata model and an interface
> specification for distributing CDNI Metadata (see below).
> 
> This initial version does not attempt to articulate all the CDNI Metadata
> that would be required to satisfy all CDNI use cases. Instead, we have
> proposed a smaller set of properties that should be sufficient to
> implement a minimal interconnect of basic HTTP delivery.
> 
> This is because, at this stage the important thing in our opinion is to
> focus any discussion on the overall structure of the interface rather than
> on the details or omission of particular properties.
> 
> Our proposal is available here:
> http://tools.ietf.org/html/draft-jenkins-cdni-metadata-00
> 
> Thanks
> Ben, David & Grant
> 
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