Johannes, Morris and all, Concerning PGI Use Cases : I have improved and reformatted the 2 EDGI Use Cases with the 'PGI Software Engineering Use Case' template available at http://forge.gridforum.org/sf/go/doc16024?nav=1 : - 'Enforce Security of a Production Service Grid' is available at http://forge.gridforum.org/sf/go/doc16010?nav=1 - 'Marshal Activities from Service Grid to Desktop Grid' is available at http://forge.gridforum.org/sf/go/doc16022?nav=1 Comments and suggestions for improvement are welcome. Best regards. ----------------------------------------------------- Etienne URBAH LAL, Univ Paris-Sud, IN2P3/CNRS Bat 200 91898 ORSAY France Tel: +33 1 64 46 84 87 Skype: etienne.urbah Mob: +33 6 22 30 53 27 mailto:urbah@lal.in2p3.fr -----------------------------------------------------