2 Internal Meeting

2009 April 16

Present: Des and Dominik

1. The main objective of the meeting
   • to discuss the Correlated Data Service design
   • establish communication protocols with VLBI Broker
2. The outcome:
   • The Correlated Data Service (CDS) is responsible for downloading and merging correlated data chunks
   • The CDS talks to VLBI Broker
   • The communication protocol (wdl file) will be created by Dominik [DONE]
     • WSDL FILES: correlateddatajob.tgz and correlateddatanotification.tgz

• The CDS core will be created by Des

1. Communication protocol
2. correlatedDataSetIsReady Broker ⇒ CDS [DONE]
   • sent when new data set has been correlated and is ready for download
   • fields to be included in the datagram
     • jobId
     • brokerLocation - for the notification to be sent back
     • experimentName - not sure whether CDS needs that
     • chunkSetId
     • list of URLs - location's of correlated chunks
3. correlatedDataSetUploaded CDS ⇒ Broker [DONE]
   • sent when correlated data set has been successfully uploaded at Jive archive
   • when this notification is received Broker can remove data from grid environment