hi all, i am a new user of NS and this is my first mail to ns-users mailing list. i am working on tcp over wireless. i have installed 2.1b6a version of ns. i would like to know if somebody has implemented "SMART" protocol for tcp or is it available in the latest release of NS. thanking you in advance pawan Get 250 color business cards for FREE! http://businesscards.lycos.com/vp/fastpath/