[occi-wg] OCCI Categories and Types

[Edmonds, AndrewX]

RE: 2)

It's not repurposed by OCCI rather the web linking specification [1]. The attribute "rel" is defined by the web linking specification. See page 6 of [1]. 

HTH,

Andy

[1] http://tools.ietf.org/html/draft-nottingham-http-link-header-10

-----Original Message-----
From: Gary Mazz [mailto:garymazzaferro at gmail.com] 
Sent: Monday, August 16, 2010 6:24 AM
To: Edmonds, AndrewX
Cc: occi-wg at ogf.org
Subject: Re: [occi-wg] OCCI Categories and Types

Hi,

Great write and example..

I have a couple of comments not covered by Ralf Nyren's emails.

1) The use of multiple schemes and multiple attributes, permissible in 
headers may cause significant rendering and referential issues in the 
body.  I'm fairly confident most parsers will have problems with this 
approach.  If this scheme is also intended for a body, I'll create and 
example to examine the doms

2) The role of the "rel" attribute is undefined in the specification. In 
one example it is used as a Link attribute indicating the Link's 
Resource relative position in a sequence. In the GET response example, 
'rel' is repurposed to extend the catagory of the Link. Rel will also be 
used in the RDFa representation possibly with a role differing from the 
examples. This will ultimately add to confusion for both the HTTP and 
RDFa implementations.

I think before we start producing examples using extensions, we should 
define the types of extension permitted and define where they are placed 
in the model scheme.

-gary
 

Edmonds, AndrewX wrote:
> Hi all,
> Yesterday Alexander and I spent some time exploring and discussing OCCI categories. These categories make up the type system for OCCI and I've documented our discussion here [1]. We'd love to hear feedback, comments etc!
>
> Andy
>
> [1] http://forge.gridforum.org/sf/wiki/do/viewPage/projects.occi-wg/wiki/Category
>
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