[95052] in North American Network Operators' Group
Re: botnets: web servers, end-systems and Vint Cerf [LONG, sorry]
daemon@ATHENA.MIT.EDU (Roland Dobbins)
Mon Feb 19 12:18:34 2007
In-Reply-To: <2DA00C5A2146FB41ABDB3E9FCEBC74C1010F3B3B@i2km07-ukbr.domain1.systemhost.net>
From: Roland Dobbins <rdobbins@cisco.com>
Date: Mon, 19 Feb 2007 09:16:57 -0800
To: NANOG <nanog@merit.edu>
Errors-To: owner-nanog@merit.edu
>> I look forward to your paper on "the end to end concept, and
>> why it doesn't
>> apply to email" ;)
I think the problem here is that people invoke something they think
of as 'the end-to-end principle', but actually isn't.
from <http://web.mit.edu/Saltzer/www/publications/endtoend/
endtoend.pdf>:
-----
. . . functions placed at low levels of a system may be redundant
or of little
value when compared with the cost of providing them at that low level.
-----
*That* is the actual 'end-to-end principle'. The imposition of
hierarchy in application-layer email routing (or DNS infrastructure,
etc.) has nothing to do with the actual end-to-end principle, except
as a good example of honoring it.
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Roland Dobbins <rdobbins@cisco.com> // 408.527.6376 voice
The telephone demands complete participation.
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