Joel, > there is one useful aspect of our DS contortions. When we do the > work, we actually figure out which features turn out not to be used, > and get them out of the spec. > OSPF had ToS routing in its PS specification. It turned out that > there was only one implementation. > So when the protocol was ready to advance, that feature was removed. > Knowing that the feature was not being used proved very helpful to us > later. I agree, but I wonder if there is another way to accomplish the same goal without quite the level of formalism. Eliot _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf