>> to be clear, i have no problem with iids being 64-bit. my issue is with >> unicast globals being classful in 2.4.4. > Randy I take your point, but this supposed conflict isn't new, it's not > introduced in 4291bis, it goes back to RFC3513. i know; and i have pushed back every cm of the way. it took years to get the other classful insanity, tls/nla, removed. the old cidr war continues. this last bit of classfulness (excuse the word) too will pass. > Do you have a suggestion how to change this within the context of > advancing this to Internet Standard? yes. simply remove the mandatory requirement for classful global unicast addresses. randy