perfsonar development work

[Roman Lapacz <>]

Mark Yampolskiy wrote:
> Hi Roman,
>
> the idea to use time seams to be the right one.
> However (hehe, how aren't there always some "however"s ;-)) from the 
> discussion in the mailing list it is not really clear whether schema 
> specification is already agreed and changed. Matthias and me have 
> agreed not to make any changes in our SW which support 
> undocumented/undefined/not-agreed futures of NMWG schema (ask Loukik, 
> he will tell you how bullheaded we are in this respect ;-))

I checked the schema

http://anonsvn.internet2.edu/svn/nmwg/trunk/nmwg/schema/rnc/nmbase.rnc

and I see that using time inside parameter is fine. Jason, could you 
confirm?

Roman

> Moreover, there still one very important point not covered - how 
> should MPs/MAs react if time parameter is not specified ? Should they 
> act as before (at least for some time of transition) ? This question 
> relies on production installation of E2Emon by the E2ECU as well as 
> MPs/MAs by different domains.
>
> Cheers,
> M&M
>
>
> Roman Lapacz schrieb:
> > Roman Lapacz wrote:
> > > Hi Matthias, Mark, others
> >
> > Hi again,
> >
> > Now the SQL MA (trunk) supports point 1) and 2) in the request. I'm 
> > going to add support for 3) but I'm waiting for your acceptance of 
> > using nmtm:time element in time parameters. 1) and 2) keeps backward 
> > compatibility, 3) probably not (I don't know the visualization 
> > application used in JRA4 but it may not know how to interpret 3)).
> >
> > please, don't forget about this topic in Brasil (I think it is 
> > important also for other services)
> >
> >
> > Roman
> >
> >
> >
> > > I'd like to propose using strict rules for time parameters in 
> > > requests to SQL MA and E2Emon MP.  The proposal derives from the 
> > > discussion about time types we had recently on the mailing list. The 
> > > implementation to use this proposal is ready in ggf package.
> > >
> > > If you don't have any objections I will update SQL MA to support it 
> > > (please do the same with E2Emon MP)
> > >
> > >
> > > 1) examples for unix time type
> > >
> > >
> > >    <nmwg:parameter name="startTime">1121472000</nmwg:parameter>
> > >
> > >  or
> > >
> > >    <nmwg:parameter name="startTime">
> > >        <nmtm:time type="UNIX" value="1121472000"/>
> > >    </nmwg:parameter>
> > >
> > >
> > >  the first one is default (no need to use time element inside 
> > > parameter)
> > >
> > >
> > > 2) example for ISO 8601 time type
> > >
> > >
> > >    <nmwg:parameter name="startTime">
> > >        <nmtm:time type="ISO" value="2005-07-16T00:00:00Z"/>
> > >    </nmwg:parameter>
> > >
> > >
> > > 3) example for symbolic time type
> > >
> > >
> > >    <nmwg:parameter name="time">
> > >        <nmtm:time type="SYMBOLIC" value="now"/>
> > >    </nmwg:parameter>
> > >
> > >
> > >
> > > Roman