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The IPv6 Transition

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215 points todsacerdoti | 4 comments | 20 Oct 24 05:54 UTC | HN request time: 0.013s | source
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gorgoiler ◴[20 Oct 24 06:48 UTC] No.41893435[source]▶
> In 2024 it’s estimated that 20 billion devices use the Internet, yet the Internet’s IPv4 routing table only encompasses 3.03 billion addresses … sharing each individual IPv4 address across an average of 7 devices.

…but the graph below that text shows 40% of traffic is IPv6, so the v4 space is only shared across 12e9 devices?

In my experience the big holdouts these days are corporate networks. All my domestic ISPs (cell, home, data centre) provide IPv6 and most devices use it by default. Meanwhile at the office we’re struggling to bring up a new internal service because our v4 IPAM is a legacy mess where the most you can calve off is a “class A” /27.

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alexchamberlain ◴[20 Oct 24 07:20 UTC] No.41893579[source]▶
FWIW, domestic ISPs in the UK are lagging on IPv6; I'm with Vrigin Media and, afaict, there is no immediate plan to deploy it either.
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1. Semaphor ◴[20 Oct 24 07:44 UTC] No.41893681[source]▶
Germany, Vodafone. They support it, so I could get v6, but chances are that that'll switch me to CGNAT for v4, so I'm not willing to risk it.
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2. redprince ◴[20 Oct 24 08:10 UTC] No.41893787[source]▶
Weird that you have to do an extra step for IPv6. Other ISPs in Germany have enabled it for every customer at some point. Unless your router asks for IPv6 addresses, nothing really changes anyway. So maybe just enable IPv6 on your router and see what happens?

On a side note, there seem to be ways to get out of CGNAT when you got condemned to use it: It is sometimes an annoying source for client VPN instabilities and from what I heard, users can just ask to be switched over from DS-Lite to classic dual stack to improve application compatibility.

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3. Semaphor ◴[20 Oct 24 18:00 UTC] No.41897204[source]▶
No, I have to ask customer service to enable it, my EdgeRouter X supports IPv6.
4. pantalaimon ◴[20 Oct 24 22:51 UTC] No.41899131[source]▶
Must be an old contract, all new contracts appear to be CGNAT/native IPv6 across ISPs