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RE: NATs as firewalls

2007-03-09 11:43:22
Nick Staff wrote:
From: michael(_dot_)dillon(_at_)bt(_dot_)com 
[mailto:michael(_dot_)dillon(_at_)bt(_dot_)com]
I still believe that the time is right for an IETF WG to define SOHO
gateway requirements for IPv6 networks because IPv4 wind-down will
cause
more people to take a serious look at how and why to deploy IPv6. One
single good idea in a SOHO gateway document could be enough to tip the
scales and make a business case for IPv6 services.

You might be surprised to find how many network and IT managers think we
already ran out of IPv4 addresses years ago, and how many more never
thought
about it at all.

IT at most any non-technology company is still not seen as a revenue
generating division and I doubt very little short of losing internet
connectivity will be motivator enough to start thinking about the switch
to
IPv6.  To me the problem with using "running out of IPv4 addresses" as a
motivator is that what does that really mean?  Is the internet going to
stop
working?  Would anyone notice if not for the media?  Why should an
established company care if their upstart competitor now has to wait 3
years
to get an internet presence?  

That is where your logic train breaks down. You assume that the established
company would maintain the status-quo and the upstart would feel the pain.
The reality is more likely to be that the service provider is sitting on the
finite resource of a single address and will lease it to the highest bidder,
and the upstart is probably losing money anyway so a little more won't
matter. If the established company is sitting on a pile of PI space, they
are insulated from the initial round of bidding, but as awareness of the
resource shortage spreads there will be pressure from the short-term focused
management to sell off that resource for immediate financial gain, only to
force the organization into the bidding process down the road.

Don't assume that the status-quo for routing and addressing policy is the
one you will be living in once the IANA & RIR pools run dry.

Tony

How is it going to break what people have
that's currently working - that's what most people don't know.  And
being
the selfish species that we are, that's why most people don't care.

I think the thing that would help IPv6 the most would be the setting of
a
hard date when no new IPv4 addresses would be issued.  This would make
it
real for everyone and ignite the IPv6/IPv4 gateway market (I think).
Not to
mention we'd never have to have another debate over when IPv4 was going
to
run out which might be benefit enough in itself  ;)

nick


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