Apps Messaging
Pierre Fernique
fernique at simbad.u-strasbg.fr
Tue Apr 17 01:17:05 PDT 2007
Dear App members,
I arrive late in this discussion just the time for me to catch up with
my mail. I find that there are very interesting technical points but in
fact the first big question is "do we have to improve Plastic or
redefine a new standard ?". If we have a consensus on that, we will
progress. Otherwise...
My point of view:
I have to say that I'm a little bit afraid about the consequences of
redefining now a new messaging protocol from scratch. Plastic has
convinced quickly a number of VO developers for adopting it. I would
re-use Doug's arguments for Cone Search standard promotion: Plastic has
been in use for 2 years, with dozen of implementations ;-) I'm pretty
sure than a redefinition instead of an adaptation will refrain
developers for going further for a while (at least 1 year and certainly
more if the consensus is too difficult to reach). I'm not sure that the
benefit of this new standard for IVOA will be higher than the current
Plastic one.
I would really prefer to improve current plastic definition to a first
official release 1.0 (trying to incorporate very interesting things such
as mtype and ID-ref and removing the java dependancy on the hub).
For low level application interactions that seems to be not possible to
implement in Plastic, I wonder wether the work on workflow leaded by the
GWS IVOA working group will not be more adapted.
Regards
Pierre Fernique
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