Noel Chiappa wrote: > The lack of market incentives is, IMO, intimately connected to the lack of new > functionality - functionality which would have meant a more ambitious design. IPv6 and Neighbor Discovery were designed so ambitiously that they have so much new functionality. The problem is that the added functionality does not function as expected, is not required by the market and is rather harmful than useless. Examples are 16B addresses, unlimited optional headers, path MTU discovery, support for NBMA (ATM) networks, stateless auto configuration and flow. So, how can you say "more ambitious"? > but spent most of its > technical energy thinking about a 'clean slate' design; in a > way, one could say it was too ambitious in the 'engineering > details', as it were. Using a clean slate is of no help when you write much more than what was already written on a scribbled slate. Masataka Ohta _______________________________________________ Ietf mailing list Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf