Jeffrey Hutzelman wrote: >>> If you have complicated requirements, you are wrong. >> >> >> You are only ever wrong if you do not listen to your customers and as a >> result fail to provide them with what they want. > > > This is a vast oversimplification. Even if you give your customers what > they want, you can still be wrong if your solution fails to behave > properly in relation to the rest of the world (stealing resources, > violating other people's rights, etc). Once upon a time, telephone industry listened to its customers (telephone companies) and provided them with what ehy want. As a result, telephone equipments becaome more and more complicated with more and more complicated specifications. Most of them are overtook by simpler equipments using IP. >> The world is complex, sometimes solutions must also be complex. In those >> cases the design choice is where you put the complexity. > This, however, is right on target. In theory, maybe. However, I have never seen such a design choice necessary for network protocols. We don't need 3GPP for the mobile internetworking. Masataka Ohta _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf