[Esip-discovery] proposed mods for collection-level responses

[Ruth Duerr]

I like the idea of whatever we use ending up registered by IANA… - Ruth

On Feb 9, 2013, at 6:43 AM, "Lynnes, Christopher S. (GSFC-6102)" <christopher.s.lynnes at nasa.gov> wrote:

> On Feb 8, 2013, at 5:35 PM, "Mattmann, Chris A (388J)" <chris.a.mattmann at jpl.nasa.gov> wrote:
> 
>> +1 this sounds good to me. Though, keeping consistent with IANA, wouldn't
>> it be:
>> 
>> application/x-html-opendap-directory
>> application/x-xml-thredds-catalog
> 
> Did some more research on this, and apparently, the whole x- scheme is deprecated since at least 2005:  http://tools.ietf.org/html/rfc4288.
> 
> According to this, we should be using a vnd.<producer>.subtype, so perhaps it would be:
> vnd.opendap.directory
> 
> Also, RFC 3023 lays out a policy of using '+xml' suffix for XML-based mime-types, so we would have:
> vnd.unidata.thredds+xml
> Pending agreement with Unidata of course.
> 
> We could actually submit these for registration to IANA: http://www.iana.org/cgi-bin/mediatypes.pl
> 
>> 
>> Or in general:
>> 
>> <primary type [1 of 8]>/[extension denoted by x-]<sub
>> type>[-protocol][-ESIP Open Search type]
>> 
>> Or did I guess it wrong?
>> 
>> Cheers,
>> Chris
>> 
>> On 2/8/13 2:24 PM, "Lynnes, Christopher S. (GSFC-6102)"
>> <christopher.s.lynnes at nasa.gov> wrote:
>> 
>>> As I was working with Ruth on a collection casting example, we ran across
>>> an area that we have not fully specified, namely how to identify links
>>> that access data collections that are NOT simply URLs for OpenSearches.
>>> These access points may be single-file datasets, OPeNDAP, THREDDS, FTP
>>> directories, databases, order forms, dataset landing pages with links to
>>> access points...
>>> 
>>> OTOH, we would like to keep the scheme congruent with a granule level
>>> response as much as possible.  So I propose the following
>>> Collection Access Point	rel		type
>>> =======================	===============	==================================
>>> ==
>>> FTP Directory tree	archives	application/x-ftp-directory
>>> OPeNDAP Directory Tree	archives	application/x-opendap-directory+html
>>> (would also include xlink:arcrole=#dir)
>>> THREDDS Catalog		archives	application/x-thredds-catalog+xml (would also
>>> include xlink:arcrole=#thredds)
>>> Single-file dataset	enclosure	<depends on data format>
>>> Order form		archives	text/html
>>> Dataset landing page	archives	text/html
>>> 
>>> Comments?
>>> --
>>> Dr. Christopher Lynnes     NASA/GSFC, Code 610.2    phone: 301-614-5185
>>> "Perfection is achieved, not when there is nothing left to add, but when
>>> there is nothing left to take away" -- A. de Saint-Exupery
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> Esip-discovery mailing list
>>> Esip-discovery at lists.esipfed.org
>>> http://www.lists.esipfed.org/mailman/listinfo/esip-discovery
>> 
> 
> --
> Dr. Christopher Lynnes, NASA/GSFC, ph: 301-614-5185
> 
> 
> 
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