> ECN is RFC2481 > > http://www.ietf.org/rfc/rfc2481.txt?number=2481 the internet draft by the same authors that supercedes rfc2481 and is a "Proposed Standard" instead of an "Experimental Standard" is draft-ietf-tsvwg-ecn-04. It is listed under "working group standards track" at http://www.rfc-editor.org/queue.html http://www.ietf.org/internet-drafts/draft-ietf-tsvwg-ecn-04.txt -neil