@CobraA1 Actually we are going to run out of IPv4 address spaces in the relatively near future. The last two big things that saved us from having to bother with IPv6 were CIDR (more efficient use of subnets) and NATing (hiding an entire subnet behind a single IP address). They allowed us to not have to think about the problem for another 18 years. Well that time is coming to an end.
Case in point, Windows 7 has IPv6 enabled by default. Just look at the control panel properties of a network connection within Windows 7 -- IPv6 is on. In addition, Win7 tries to resolve names, e.g., www.zdnet.com, first using IPv6 not IPv4 .
Another example is that any recent cable modem is IPv6 ready (DOCIS 3.0 spec).
In other words, the tech world knows the end is nigh and is subtlety preparing for it... unbeknownst to most people.
-M
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