Dear Sean, may I ask you if your code (the Diffserv Patch) also support mobility? As I'm not a specialist I couldn't see it at once at your home page Best regards:ALP -- Dr. Anastasia Leventi-Peetz E-Mail: [email protected] c/o FGAN/FKIE Tel: (+49) 228/9435 593 Neuenahrer Strasse 20 Fax: (+49) 228/9435 685 D-53343 Wachtberg, Germany http://www.fgan.de