nanog mailing list archives

Re: Shim6, was: Re: filtering /48 is going to be necessary


From: William Herrin <bill () herrin us>
Date: Thu, 15 Mar 2012 13:31:42 -0400

2012/3/15 Masataka Ohta <mohta () necom830 hpcl titech ac jp>:
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 ................ herrin () dirtside comĀ  bill () herrin us
3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
Falls Church, VA 22042-3004


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