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I bet that legacy desktops and Web servers will be IPv4 for as long as they exist. There will never be an impetus to convert these. If "Internet of Things" ta

I bet that legacy desktops and Web servers will be IPv4 for as long as they exist. There will never be an impetus to convert these. If "Internet of Things" takes off, those things will be IPv6. Then you can give an IP address to every thermostat, every light bulb, every fire sprinkler head, every shelf tag price readout (saw some LCD shelf tags at a Whole Foods near Houston), etc. Those things don't care if they can't talk to some legacy Web site. Then, in twenty years, everything on IPv4 is some creaky obsolete thing...sort of like how we have Windows XP things around now that aren't being replaced for various good reasons.

rjsw 11y ago
Windows XP can have IPv6, works fine.
- vollmond 11y ago
  He/she's just saying that in 20 years, anything using IPv4 will be creaky and obsolete, similar to how we view WinXP now -- creaky and obsolete. Not that WinXP is stuck on IPv4.
  - rjsw 11y ago
    I'm saying that it doesn't seem to have been too difficult to add IPv6 to fairly old desktop machines. I think the holdouts will be webservers, which was the other thing listed in the parent post.
    - jlgaddis 11y ago
      Personally, I believe mail servers will be the last to go to IPv6-only.
phicoh 11y ago
If with legacy web server you mean a dedicated server somewhere in a colo that has an IPv4 address, then yes. You can keep that until parts of the internet will no longer have any connection to IPv4 anymore. If you expect to move that server, say to move to a new colo provider, do you get an IPv4 address there? If you have to pay extra each month for IPv4 and get IPv6 for free, do you pay? Legacy desktops, there are these things like youtube, netflix, they eat huge amounts of bandwidth. As an ISP you don't want that through your carrier grade NAT boxes. Better try to get customers to use IPv6. These days many web pages are insanely loaded with ads, trackers, etc. Lots of connections, again really bad for CGN. Big CGN boxes are also really bad for geolocation. IPv6 is better for that. There is also reason to believe that gaming behind carrier grade NAT is going to be pain. Finally, if there was one group of products supporting IPv6 early on, it was operating systems. Even XP can do IPv6. Web browsers support IPv6 for a long time now. So as soon as the network provides IPv6, just about all desktops pick it up and start using it.
- pjc50 11y ago
  If you want to serve web pages to most of the world, you have to have an IPv4 address, and that will continue until IPv6 adoption is well above 50%. Yes, there are places offering discounts for no-IPv4, such as lowendspirit. I have one. I have to bounce through another shell account to get to it as neither my home ISP nor workplace supports IPv6.
  - kevcampb 11y ago
    Above 50%? The threshold for not supporting IPv4 would be far higher than that. Think about how long it took to for companies to stop supporting IE6 when there was still only residual usage. The effect of not supporting IPv4 would be far worse as well - not just a buggy looking site, but zero functionality.
eternauta3k 11y ago
IoT devices are already using protocols other than IP to connect to hubs through low-power radio links.

rjsw 11y ago

Windows XP can have IPv6, works fine.

vollmond 11y ago
He/she's just saying that in 20 years, anything using IPv4 will be creaky and obsolete, similar to how we view WinXP now -- creaky and obsolete. Not that WinXP is stuck on IPv4.
- rjsw 11y ago
  I'm saying that it doesn't seem to have been too difficult to add IPv6 to fairly old desktop machines. I think the holdouts will be webservers, which was the other thing listed in the parent post.
  - jlgaddis 11y ago
    Personally, I believe mail servers will be the last to go to IPv6-only.

phicoh 11y ago

If with legacy web server you mean a dedicated server somewhere in a colo that has an IPv4 address, then yes. You can keep that until parts of the internet will no longer have any connection to IPv4 anymore. If you expect to move that server, say to move to a new colo provider, do you get an IPv4 address there? If you have to pay extra each month for IPv4 and get IPv6 for free, do you pay? Legacy desktops, there are these things like youtube, netflix, they eat huge amounts of bandwidth. As an ISP you don't want that through your carrier grade NAT boxes. Better try to get customers to use IPv6. These days many web pages are insanely loaded with ads, trackers, etc. Lots of connections, again really bad for CGN. Big CGN boxes are also really bad for geolocation. IPv6 is better for that. There is also reason to believe that gaming behind carrier grade NAT is going to be pain. Finally, if there was one group of products supporting IPv6 early on, it was operating systems. Even XP can do IPv6. Web browsers support IPv6 for a long time now. So as soon as the network provides IPv6, just about all desktops pick it up and start using it.

pjc50 11y ago
If you want to serve web pages to most of the world, you have to have an IPv4 address, and that will continue until IPv6 adoption is well above 50%. Yes, there are places offering discounts for no-IPv4, such as lowendspirit. I have one. I have to bounce through another shell account to get to it as neither my home ISP nor workplace supports IPv6.
- kevcampb 11y ago
  Above 50%? The threshold for not supporting IPv4 would be far higher than that. Think about how long it took to for companies to stop supporting IE6 when there was still only residual usage. The effect of not supporting IPv4 would be far worse as well - not just a buggy looking site, but zero functionality.

eternauta3k 11y ago

IoT devices are already using protocols other than IP to connect to hubs through low-power radio links.