John Andersen wrote:
On 9/8/2010 10:12 AM, James Knott wrote:
Ilya Chernykh wrote:
They say not in plans.
That's a common problem. We'll soon reach the point where IPv4 addresses are no longer available to ISPs and sometime after that to new customers. In the mean time, there's no reason why people can't get ready now, even if they have to use a tunnel to get IPv6.
There have been a lot of stories about this in the press of late, and the general consensus I see is that its a lot further off than most people think, for a whole number of reasons.
First most big campus organizations would RATHER be behind a NAT (ipv4 or ipv6), and are actually selling off address blocks they once owned. That frees up ipv4 blocks.
That will only go so far.
Second, most organizations are far from ready, although some are more ready than they know since windows and linux and mac(i think) have been shipping IPv6 stacks for some time now.
Quite so. Windows with SP1 will do it, but SP3 is better. In Linux, it just works, unless you disable it.
There are a lot of devices (printers, print controllers, cams, NAS, phones, etc) lurking about about on ipv4 which force you to run an ipv4 network internally anyway.
IPv6 capable hardware is beginning to appear, for example my Nexus One smart phone supports it and other consumer level devices, such as some routers do too. Any 4G smart phone will pretty much have to, as by then cell phones will be running VoIP and there simply aren't enough IPv4 addresses to support them. Also, Windows has something called "Port Proxy" that will convert IPv4 addresses to IPv6, but I haven't found similar for Linux.
Major firewall components and router could not handle ipv6 till about/after 2005, (netfilter didn't even handle ipv6 till about that time). Lots of these are still in production in home routers.
There is just tons of software that needs to use or keep track of IPs that simply is not ready.
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