I kind of miss when building the wiki was easy. In particular, this old paper did an analysis of a deployment scenario with ever increasing ecn usage. As ecn usage cracks 50% non-ecn using flows get really pounded. http://www.cs.northwestern.edu/~akuzma/doc/ecn.pdf -- Dave Täht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619