Slide 30 of 37
Notes:
Various IP packet marking schemes have been proposed in the IETF. See:
http://diffserv.lcs.mit.edu/
http://www.employees.org:80/~ferguson/QoS.html
http://cio.cisco.com/warp/public/732/net_enabled/qos_wp.htm
For more information on RED (Random Early Detection), see:
http://www-nrg.ee.lbl.gov/floyd/red.html
If there is no congestion in the network, everyone’s packets get delivered and everyone is happy.