Has everyone seen http://www.csl.sony.co.jp/person/kjc/software.html ? I just stumbled across it today and it has some good graphs and analysis of CBQ and some other tools for BSD (not Linux) but fairly relevant nonetheless. -- Michael T. Babcock CTO, FibreSpeed Ltd. (Hosting, Security, Consultation, Database, etc) http://www.fibrespeed.net/~mbabcock/