On Apr 30, 2013, at 11:12 AM, Dave Crocker <dhc@xxxxxxxxxxxx> wrote: >> What is the IETF-approved timeframe in which "the market" is allowed to accept/reject a particular technology? > I've no idea what the lower limit is or should be, but I'm quite sure that 7 years exceeds it by a very comfortable margin. By that logic we should abandon IPv6, DNSSEC, EDNS0, etc. Thanks, -drc