> I totally agree. There is far too much focus on nailing down %100 of > requirements in the recent IETF past, hindering progress on solutions. Both > implementations and requirements are refined by the iterative process of > implementation and deployment feedback. We do seem to have lost at least some of -- "build a flexible protocol around a core set of problems, get it done, and then modify it later." We seem to be in "boil the ocean" mode almost constantly any more. Russ