perfSONAR User Q&A and Other Discussion

[Jason Zurawski <>]

Hi Jialu;

The servers you list below are BWCTL endpoints, not perfSONAR MA 
servers.  You will need to choose a perfSONAR-BUOY server from the list:

http://ndb1.internet2.edu/perfAdmin/directory.cgi#PSB_BWCTL

Thanks;

-jason

On 7/16/10 3:48 PM, Jialu Pu wrote:
> I'm try to follow the doc at
> http://psps.perfsonar.net/client-doc.html#MA_BWOW_3 to get throughput data.
> It used to work and was able to query data from most server.
> But for now I tried many sites and only successfully get throughput
> results from
> tcp://iperf.its.vanderbilt.edu:4823
> SRC:129.59.197.62
> DST:192.111.110.34
>
> tcp://issf-perfsonar.alcf.anl.gov:4823
> SRC:192.31.99.110
> DST:140.221.83.201
>
> For others, it returns empty xml file.
> For some sites, it even returns empty endpoints.
> Is it because there's no data in the server or should I modify the query
> script?
>
> Thanks.
> Jialu Pu