perfsonar development work

[Roman Lapacz <>]

On Tue, 17 Apr 2007, Yee-Ting Li wrote:

> Hey Roman,
>
> On 17 Apr 2007, at 00:44, Roman Lapacz wrote:
> thanks... Well, the US is the center of the world ;) just kidding... i'll

:) it was good

> probably stick in some algorithm to determine absolute center of all the 
> points.
>
> one thing of note; in order for me to do a domain lookup; i send a 
> metakeyrequest to the ma. however, as demonstrated with the es.net ma; the 
> results can take minutes to respond :( apart from querying a lookupservice, 
> is there any optimisations i can make?

I've checked esnet ma and I think, taking a look at the URL of it, that 
it is an old version of MA. I encourage to use Java RRD MA ver. 2.0 with 
xml db on-board specially if there is large metadata config file. This 
should boost the performance.


> ===
> <?xml version='1.0' encoding='UTF-8'?>
> <nmwg:message id="#message1"
>             type="SetupDataRequest"
>             
> xmlns:netutil="http://ggf.org/ns/nmwg/characteristic/utilization/2.0/";
>             xmlns:topo="http://ggf.org/ns/nmwg/topology/2.0/";
>             xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/";>
> <nmwg:metadata id="#meta1">
>   <netutil:subject id="#netutil1">
>     <topo:interface>
>       <topo:ifAddress type="ipv4">[% router %]</topo:ifAddress>
>     </topo:interface>
>   </netutil:subject>
>   <nmwg:eventType>[% eventType %]</nmwg:eventType>
> </nmwg:metadata>
> <nmwg:data id="data1" metadataIdRef="#meta1"/>
> </nmwg:message>
> ===
>
> i know of the following lookup services:
> > ACAD/ISTF: http://selena.acad.bg:8070/axis/services/LookupService
> >
> > PIONIER: http://loco4.man.poznan.pl:8090/axis/services/LookupService
> >
> > RNP:: http://ls-rnp.gt-med.ufsc.br:8080/axis/services/LookupService
> are there any other services available?


I don't think so but maybe someone else knows other LS deployed.

Roman
> Yee.