[ogsa-naming-wg] Re: [ogsa-wg] Abstract names in BES
Frank Siebenlist
franks at mcs.anl.gov
Thu Nov 10 12:31:08 CST 2005
Frank Siebenlist wrote:
> ...
>> By advocating using the Address element of the EPR as the
>> AbstractName are you saying that ReferenceParameters should
>> NOT be used to map messages to backend resources?
>> (Two WSRF EPRs can have the same Address element but use
>> ReferenceParameters to map to different WSRF resources)
>
> I'm afraid that my own preference shown through here as life would be
> simple with just IRIs ;-)
>
> ...but no, I realize that the ReferenceParameters will be used to
> carry the dispatch info.
>
> In the past I've given a recipe how one could construct an
> identifier/name from the address+refParameters by essentially
> concatenating the Address value with some base64 blob of the
> canonicalized refParameters (or if space is a consideration, append
> the digest value of the refParmeters...)
>
> This transformation essentially would give you the Address value as
> the name when no refParameters are present.
>
> For this to work, the transformation should be standardized such that
> all parties can generate the same IRI-name, and it still requires a
> profile on the uniqueness properties for the combined
> Address+RefParameters for this to be a useful name (URN).
I realize that it could cause confusion, but in this discussion,
whenever I use the Address as a name, it is essentially a simplified
version of what I stated above.
In other words, for the discussion we can ignore the referenceParameters
and pretend they don't exist ;-)
-Frank.
--
Frank Siebenlist franks at mcs.anl.gov
The Globus Alliance - Argonne National Laboratory
More information about the ogsa-wg
mailing list