by using stamps, you will eliminate any need for special
white listing, domain
authentication, complicated dns reverse lookup rules and can
be implemented
quickly and easily without major changes to infrastructure.
Changing from a model in which email is free to one where there
is a per message charge *IS* a major change to the infrastructure.
This is like saying that its a long way to go down the street
to the convenience store so lets climb Mount Everest instead.
Instead of taking infrastructure change as an impossible task
lets look at the reasons why.
The IETF has not shown much ability to achieve major infrastructure
changes in the past. When I first started attending IETFs ten years
ago the three big problems were deploying security for DNS, deploying
security for IP and transitioning from the 32 bit address space. To
date none of those transitions have been achieved. IPSEC is the only
protocol of the three that is widely deployed and used - but it is
only addressing the VPN space which is not what it was designed for.
There have been infrastructure changes that have taken place, they are
all incremental changes on existing specifications.
I think that the main reason that the DNSSEC, IPSEC and IPv6 have
failled thus far is because the people writing the specs have not
put the effort into convincing the vendor community to deploy. A
lot of people have the idea that you get a spec through the IETF
and then everyone implements it. Well it never worked like that
ever.
To get people to implement XKMS I started by working with Microsoft,
webMethods and two major banks. We approached our competitors for
support when we started the W3C working group. We are still working
with vendors getting XKMS built into products - with some success
but we are far from finished.
Changing the infrastructure is not impossible, we just need to go
about it in the right way. Make sure that we co-opt the major ISPs
and software providers as part of the solution.
Another problem with the IPSEC/DNSEC/IPv6 deployment is that the
IETF proposals were overly complex and either proposed too late
to meet market needs or the market did not see a need for them.
I think that all of these problems are completely fixable. I do
not believe that moving from a free mail system to a pay per
message system is viable.
Phill
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