Re: [opensuse] IPv6 firewall



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James Knott wrote:
G T Smith wrote:
James Knott wrote:


?! Early adopters are usually the ones who end up in difficulty. Those
who learn by someone else mistakes and do their own R&D usually are
better positioned to not be cut by the bleeding edge when they do decide
to adopt.

I was referring to a period for setting things up and making sure they
work, before deploying to customers, although they might be offered a
"beta" service. Doing so is much better that working in panic mode,
where you all of a sudden find you have to do something yesterday, to
provide what your customers need NOW!!!. What happens to an ISP, who
ignored the depletion of IPv4 addresses, when the day comes when he goes
to get another IPv4 block and can't get one? Will they then start
learning about IPv6? IPv6 has been in the works for many years (I first
read about it 15 years ago) and has been in use for years too. The
tools are already here. It's been proven. The ones who will have
problems are the ones who haven't prepared. Not understanding where
your business is heading and preparing for it is not only short sighted,
it's suicidal.


My mobile provider uses NAT 10.x.x.x addresses while the land network
seems to have fairly large network address pool (possibly by grabbing
address space a long time ago), while some latecomer ISPs may be facing
this as a potential problem (as they missed the early allocation grab).
In the old scheme where countries tended to be allocated class A
addresses, may have also had the result that some of the smaller nations
may not be facing the same issues I think some providers will need a
lot of persuading that this is a immediate problem for consumer networks
for some time to come (commercial and academic networks are a different
story). I remember predictions that American/European address space
would runout a decade ago, it has not yet. The introduction of NAT seems
to have mitigated some of the address issues.

Usage of IPv6 is still not really that high, though policy decisions in
the US and Asian address requirements will increase usage

- --
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I have always wished that my computer would be as easy to use as my
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My wish has come true. I no longer know how to use my telephone.

Bjarne Stroustrup
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