Dear sir, I am wondering I there is a possible relationship between ns2 and ptolemy, a project directed by Prof. Edward Lee. Sincerely, Sylvain D'HOINE CS-Syst�mes d'Information 13, rue Villet -ZI du Palays - BP 4042 31029 Toulouse Cedex 04 - FRANCE Tel. : (33) + 5 61 17 65 58 / 66 66 Fax : (33) + 5 61 17 66 96 e-mail : [email protected]