On Thu, 2005-08-25 at 13:14, Harald Tveit Alvestrand wrote: > are you of the opinion that the IESG should try to police which experiments > get run on the Internet by refusing to publish RFCs documenting > possibly-conflicting experments? It depends on the form of the conflict. I believe that the IESG has the duty to ensure that concurrent experiments either use experimental codepoints in non-conflicting ways, or else require them to use distinct codepoints; to fail to do this creates the risk that any experimental results will be muddled/contaminated. In this case, the two experiments interpret the same codepoints in the DNS in subtly different ways. A mail-sending domain indicates that it is participating by publishing certain DNS RR's. Crucially, a mail-sending domain cannot opt in to the SPF experiment without also opting in to the senderid experiment. This renders any claimed results of either experiment suspect. - Bill _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf