After the discussion for me it looks that the best solution is 3.
It simplifies implementation and does not complicates application
programming excessively.
I want to ask whether this is a consent?
(Then we could change the Feb. 4th draft to this option.)
Rolf
Rolf Rabenseifner (Computer Center )
Rechenzentrum Universitaet Stuttgart (University of Stuttgart)
Allmandring 30 Phone: ++49 711 6855530
D-70550 Stuttgart 80 FAX: ++49 711 6787626
Germany rabenseifner@rus.uni-stuttgart.de