On Tue, 18 May 2010 09:19:54 +0100, Invisible wrote:

> And, for the 17th time, you *are* aware that I'm talking about earlier
> _computer_ network technologies, right?

It's all telecommunications, which is what I think Darren is saying.

> I'm fairly sure the telephone network connects vastly fewer nodes. It
> was also originally analogue, not digital. Not to mention being managed
> by a very small number of companies. But anyway...

IP address blocks are managed by IANA - a single organisation.  IANA does 
delegate some administrative tasks, but overall they handle the larger 
picture.

>> And they're running out of addresses
>> (actually, probably already ran out of addresses) long before every
>> person has an address, let alone every piece of communications
>> equipment.
> 
> Isn't that why IPv6 was invented?

Yes.

> BTW, how come nobody uses that yet? And does it replace just the IP
> layer, or the entire protocol stack?

Some people do use it.  IPv6 runs at the same OSI level as IPv4, so yes, 
it's a direct replacement.

Jim

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