CBQ Implementors:

• Steve Jackowski (stevej@SyzygyComm.COM) at Syzygy has modified Sun's version of CBQ for use with their products.

• Luca Salgarelli (salga@mailer.cefriel.it) at CEFRIEL has modified SUN's scheduling kernel to work with ATM interfaces, to provide RSVP-CBQ IP soft reservation facilities to IP over ATM networks and make RSVP-CBQ cooperate with ATM channel management. This works with Fore SBA 200 ATM interfaces. For more information, see the paper on Efficient Transport of IP Flows Across ATM Networks by Salgarelli, De Marco, Meroni, and Trecordi.

• Michael Speer (speer@valathar.eng.sun.com) and Sally Floyd (floyd@ee.lbl.gov) made the following changes to the distributed CBQ code, reflected in the v2.0 distribution: (1) implemented Top-Level link-sharing instead of Ancestor-Only link-sharing in the distributed code; (2) implemented weighted round-robin instead of packet-by-packet round robin in the distributed code. Work still to be done includes investigating and implementing measurement-based admissions controls procedures. Comments can be sent to "cbq@ee.lbl.gov".

• CBQ is included in LBNL's network simulator ns-1. and ns-2. Some simulation acceptance tests for this code are shown in Floyd, S., Ns Simulator Tests for Class-Based Queueing. February 1996.

Return to [ the CBQ page].