Yes, I did look at your (Mr. Krishnamurthy's) work, and found several
aspects worthy of consideration. My two comments at this point would be that
it doesn't seem to go far enough in the economic sense, and it didn't seem
to elicit much discussion within the ASRG. However, it is possible that I
missed a more extensive discussion of the topic, since the volume of the
ASRG discussion is so large, and my own time for participation is rather
limited.
I also admired several aspects of the TitanKey system, and that one did
receive extensive discussion in ASRG. However, little of that discussion
seemed to be either economic-based or constructive. However, they (the
TitanKey people) are definitely offering a slightly different approach, and
they have an interesting economic model for the marketing, so it is quite
possible their system will succeed, at least if success is defined in terms
of being widely adopted and being profitable for their company. (However, I
think the spammers will just see it as yet another form of yield reduction
to be offset with more millions of spam email messages.)
Balachander Krishnamurthy wrote:
take a look at
http://www.research.att.com/~bala/papers/shred-ietf56-talk.pdf
or
http://www.research.att.com/~bala/papers/shred-ietf56-talk.ps
a scheme that uses economic disincentives to reduce spam.
cheers,
bala
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