Of course we are looking at Globus Toolkit 4. However we are also investigating other implementations of the basic specifications of the Web Service Resource Framework such as the Apache Muse project and of course also the WSRF.NET framework. We will also look into the results of the Unigrids project if stable releases are available.

Additional to that we are aiming at reuse of software developed in FP5 project s in particular the GRIA and GRASP