2012/3/15 Masataka Ohta <[email protected]>: > William Herrin wrote: >>> I know non-IP mobile environment is heavily encumbered. So, I >>> can understand why you insist on using DNS for mobility only >>> to make IP mobility as encumbered as non-IP ones. >> >> I don't understand your statement. None of the technologies I work >> with use the word "encumbered" in a comparable context. Perhaps you >> could rephrase? > > OK. You are bell headed.
If you want to be snippy in English, you should first gain a better command of the language. Neither of your previous statements has a meaning recognized beyond the confines of your own brain. >> Your set and his set are both in >> motion so there _will_ be times when your address set changes before >> he can tell you the changes for his set. Hence #1 alone is an >> _incomplete_ solution. > > A difficulty to understand the end to end principle is to > properly recognize ends. > > Here, you failed to recognize home agents as the essential > ends to support reliable communication to mobile hosts. A device which relays IP packets is not an endpoint, it's a router. It may or may not be a worthy part of a network architecture but it is unambiguously not an endpoint. If that isn't clear to you then don't presume to lecture me about the end to end principle. Regards, Bill Herrin -- William D. Herrin ................ [email protected] [email protected] 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/> Falls Church, VA 22042-3004
