NESSSI/CEA/UWS Meeting

Edinburgh 29-30th June 2006

Present

MG, JDT, GS, MH, GTR, RGM(occasionally)

Aims

The aim of this meeting is to disseminate information about NESSI amongst the AstroGridders , and the CEA amongst the NVO. We will examine the strengths and weaknesses of the two systems, see what we can learn from each other, and evaluate whether there is enough commonality to define a standard interface under the aegis of the UWS.

Agenda

Introduction

• MG to give a whiteboard overview of the purpose and status of NESSSI
  • Demo TBD
• JDT & GTR to do the same for CEA
  • Demo running a CEA app from the Workbench
  • Demo installation of a hello world application
• Garry to give us a brief update on VOTechBroker

Contrast and compare

Introduction

• What are the differences between what NESSSI, CEA, VTB offer?
• What's the overlap?

On the outside

• The current web service interfaces
• Service discovery (ie what do we stick in the registry?)
• Clients
• Security and auth/auth

Under the hood

UWS

• Guy to give us a status update on UWS

Where next?

Questions

• Should Caltech deploy a CEC and ROE an instance of NESSSI?
  • Gain most experience by trying these things yourself!
  • Politically good
• The GWS-WG has a mandate to go and develop UWS-PA
  • What needs to be in UWS-PA so that NESSSI & CEA can fit into it?
  • Who's going to do the work?

To be done

• Write up of this meeting
  • Report back to our political masters to see how they want us to proceed
• Roadmap?

References

• The UWS
• IVOA Grid and Web Services WG
• NESSSI
• The Common Execution Architecture
• Clarens