[151308] in North American Network Operators' Group
Re: Shim6, was: Re: filtering /48 is going to be necessary
daemon@ATHENA.MIT.EDU (William Herrin)
Thu Mar 15 13:33:03 2012
In-Reply-To: <4F61E626.80603@necom830.hpcl.titech.ac.jp>
From: William Herrin <bill@herrin.us>
Date: Thu, 15 Mar 2012 13:31:42 -0400
To: Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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
--=20
William D. Herrin ................ herrin@dirtside.com=A0 bill@herrin.us
3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
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