1# $OpenBSD: queue4,v 1.2 2003/08/22 21:50:34 david Exp $ 2# $DragonFly: src/share/examples/pf/queue4,v 1.1 2005/12/13 01:58:27 corecode Exp $ 3# 4# Hierarchical queueing for a university. 5# Three faculties; engineering, law and art are defined. 6# Departments under the engineering faculty are defined as child queues. 7# The total bandwidth for engineering faculty is shared between three 8# departments. CS department gets the half of the bandwidth, EE and IE 9# departments get the thirty percent and twenty percent of bandwidth 10# respectively. These sibling departments can use more than their linkshare 11# whenever there is no backlogged sibling queue but when a queue gets 12# backlogged, it is guaranteed that the queue gets its linkshare. 13 14altq on dc0 bandwidth 16Mb hfsc queue { eng law art } 15queue eng bandwidth 10Mb { cs ee ie } 16queue cs hfsc( default linkshare 50% ) 17queue ee hfsc( linkshare 30% ) 18queue ie hfsc( linkshare 20% ) 19queue law bandwidth 3Mb 20queue art bandwidth 3Mb 21