To make a furthur rediculous analogy, SMTP is a wonderfully
functional spec, and it makes perfect sense to mandate that any devices
utilizing SMTP MUST be compliant to the ESMTP spec RFC2821, but it would
be rather silly to mandate that ALL IPv6 connected devices be RFC2821
compliant regardless of whether they have a requirement for SMTP.
If the operating system of the nifty internet accessible
doohickey that you wish to patent and sell has no need to exchange
email, then building in ESMTP compliance would be an unecessary expense
that would reduce the profitiability of your venture and would cost
consumers (who ultimately pay for everything) more money.
It may be a piddling amount, and a trivial implementation, but
we must bear in mind the straw/camel parable. Many little things can
aggregate to be a large burden.
> Kevin and many others against mandating (MUST) for IPSec have
> a valid point. Many sensors and other potential IPv6 nodes
> do not have the hardware resources to support IPSec, or those
> resources are better spent at other tasks.
.....
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