I'm starting using ns, and I look for a simple tutorial. Where can I get it? Thank you. --------------------------------------- Stéphane CATELOIN Laboratoire HEUDIASYC - UMR CNRS 6599 Centre de Recherche de Royallieu BP 20529 - 60205 Compiègne Cedex FRANCE Bureau RD 126 / Poste 4280 E-mail: stephane.cateloin@utc.fr ---------------------------------------