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Am I right in thinking that IPv4 will only go away if all clients can support IPv6? For example, there are many embedded devices that will never be updated to

Am I right in thinking that IPv4 will only go away if all clients can support IPv6? For example, there are many embedded devices that will never be updated to have dualstack (including many home routers). Does anyone have IPv6 only facing servers for public consumption without any IPv4 alternatives?

unilynx 5y ago
> Does anyone have IPv6 only facing servers for public consumption without any IPv4 alternatives? well, kame.net will only give you a dancing turtle over ipv6..
ghshephard 5y ago
Home routers have a very short life-cycle. Most of them have a median life of < 10 years, and it's reasonable to expect that the majority of them will be upgraded every 20 years or so. It's the other embedded (manufacturing, utility, etc...) devices that have 20+ year median lives that will prevent IPv4 from ever going away. Dual Stack (as the vast majority of Windows/MacOS/Linux/BSD systems are capable of) - creates a nice transition path - slowly but surely more and more IPv6 creeps into DNS/Local Addresses. If you deployed a IPv6 only facing server today - then some 20-30% +/- of your potential customer base wouldn't be able to connect - but that number will go down by 1-2% each year for the next while, until, in 10-15 years, you'll be able to reach 98+% of your audience, so you'll say WTH and go for it.
- edgyquant 5y ago
  I worked IT for years before switching to programming and I’ve almost never seen a home router last 10 years, let alone 20.
  - Gigachad 5y ago
    You probably want to upgrade sooner for faster wifi anyway. My router I only just got from my ISP caps out at 100Mbps while the ISP provides gigabit speeds.
  - jeroenhd 5y ago
    I don't think 20 years will happen but I've seen modem/router combos that lasted for ten years. Customers bought them way back when, and never considered buying replacements because they just worked. If all you do is read news and do taxes, you can still get away with 802.11g easily. You can pull about 10 to 20mbps down that, and for many people that's more bandwidth than their ISP provides then with. Why buy an 802.11ax capable router when the best connection you can get is an 8mbps DSL connection that drops out when it rains? Even at that price it was cheaper to rent a modem for a buck a month, but some people like to own things, I guess.
    - edgyquant 5y ago
      This is true but most of the ISPs I worked with (in an admittedly smallish town) would often upgrade for the user every 5 years or so. A lot of the times it was needed as they shipped the cheapest routers they could get, even when it wasn’t they’d roll out new stuff as people called in. 10 years I could see, my mom and dad used the same tiny netgear modem/router for 7 before having me redo their network.
  - xfer 5y ago
    I bought 1gbps router in 2011 and still 10gbps is far out, why would i buy a new router? Wifi APs are a different story.
    - edgyquant 5y ago
      This is true but I think, ime at least, most people don’t buy their own routers and get a cheap modem/router/Wi-Fi ap unit that gets replaced every few years when they experience issues. Then again my experience was It so it wasn’t like the people who never had issues called.
WorldMaker 5y ago
Home/consumer use is where IPv6 is at highest adoption. It's businesses that lag behind. Still amazing to see clear 9-to-5 weekday difference between IPv4 and IPv6 traffic in graphs in 2021.
deleted 5y ago
[deleted]

unilynx 5y ago

> Does anyone have IPv6 only facing servers for public consumption without any IPv4 alternatives? well, kame.net will only give you a dancing turtle over ipv6..

ghshephard 5y ago

Home routers have a very short life-cycle. Most of them have a median life of < 10 years, and it's reasonable to expect that the majority of them will be upgraded every 20 years or so. It's the other embedded (manufacturing, utility, etc...) devices that have 20+ year median lives that will prevent IPv4 from ever going away. Dual Stack (as the vast majority of Windows/MacOS/Linux/BSD systems are capable of) - creates a nice transition path - slowly but surely more and more IPv6 creeps into DNS/Local Addresses. If you deployed a IPv6 only facing server today - then some 20-30% +/- of your potential customer base wouldn't be able to connect - but that number will go down by 1-2% each year for the next while, until, in 10-15 years, you'll be able to reach 98+% of your audience, so you'll say WTH and go for it.

edgyquant 5y ago
I worked IT for years before switching to programming and I’ve almost never seen a home router last 10 years, let alone 20.
- Gigachad 5y ago
  You probably want to upgrade sooner for faster wifi anyway. My router I only just got from my ISP caps out at 100Mbps while the ISP provides gigabit speeds.
- jeroenhd 5y ago
  I don't think 20 years will happen but I've seen modem/router combos that lasted for ten years. Customers bought them way back when, and never considered buying replacements because they just worked. If all you do is read news and do taxes, you can still get away with 802.11g easily. You can pull about 10 to 20mbps down that, and for many people that's more bandwidth than their ISP provides then with. Why buy an 802.11ax capable router when the best connection you can get is an 8mbps DSL connection that drops out when it rains? Even at that price it was cheaper to rent a modem for a buck a month, but some people like to own things, I guess.
  - edgyquant 5y ago
    This is true but most of the ISPs I worked with (in an admittedly smallish town) would often upgrade for the user every 5 years or so. A lot of the times it was needed as they shipped the cheapest routers they could get, even when it wasn’t they’d roll out new stuff as people called in. 10 years I could see, my mom and dad used the same tiny netgear modem/router for 7 before having me redo their network.
- xfer 5y ago
  I bought 1gbps router in 2011 and still 10gbps is far out, why would i buy a new router? Wifi APs are a different story.
  - edgyquant 5y ago
    This is true but I think, ime at least, most people don’t buy their own routers and get a cheap modem/router/Wi-Fi ap unit that gets replaced every few years when they experience issues. Then again my experience was It so it wasn’t like the people who never had issues called.

WorldMaker 5y ago

Home/consumer use is where IPv6 is at highest adoption. It's businesses that lag behind. Still amazing to see clear 9-to-5 weekday difference between IPv4 and IPv6 traffic in graphs in 2021.

deleted 5y ago

[deleted]