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GitHub seems to be enabling IPv6 for GitHub Pages

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Re: GitHub seems to be enabling IPv6 for GitHub Pages

#11
post #7
post #5

Too bad I often have to disable IPv6 because my ISP suddenly decides to stop routing it from time to time. This is Comcast, so arguing with them doesn't get me anywhere, all I get is "Thanks for expressing your concern." "Rest assured that I will solve all your problems." from the support dude in some random call/chat center.

Doesn't Happy Eyeballs fallback to IPv4 on that situation?

Maybe it's supposed to in theory but empirical results on my machine say it doesn't

Re: GitHub seems to be enabling IPv6 for GitHub Pages

#12
post #7
post #5

Too bad I often have to disable IPv6 because my ISP suddenly decides to stop routing it from time to time. This is Comcast, so arguing with them doesn't get me anywhere, all I get is "Thanks for expressing your concern." "Rest assured that I will solve all your problems." from the support dude in some random call/chat center.

Doesn't Happy Eyeballs fallback to IPv4 on that situation?

Anecdata: Enabling IPv6 does seem to break random stuff randomly.

Re: GitHub seems to be enabling IPv6 for GitHub Pages

#13
post #5

Too bad I often have to disable IPv6 because my ISP suddenly decides to stop routing it from time to time. This is Comcast, so arguing with them doesn't get me anywhere, all I get is "Thanks for expressing your concern." "Rest assured that I will solve all your problems." from the support dude in some random call/chat center.

I use both Comcast and Monkeybrains. I've had to disable IPv6 only once in the last 18 months: for my Monkeybrains connection.

Re: GitHub seems to be enabling IPv6 for GitHub Pages

#14
post #5

Too bad I often have to disable IPv6 because my ISP suddenly decides to stop routing it from time to time. This is Comcast, so arguing with them doesn't get me anywhere, all I get is "Thanks for expressing your concern." "Rest assured that I will solve all your problems." from the support dude in some random call/chat center.

Same here. I had enough random problems when IPv6 was enabled and got tired of troubleshooting things. Just disabled it and will enable again in a few years. Hopefully things will be better.

Re: GitHub seems to be enabling IPv6 for GitHub Pages

#15
post #8

Silly question (especially for this forum): how would ipv6 be useful for websites served via Github Pages?

There are more and more networks that are native IPv6. And IPv4 connectivity is done with double NAT, NAT64, 464XLAT and other heroics. The faster we can allow native IPv6 end-to-end, the faster we can get rid of the complex IPv4 compatibility technologies and simplify the entire internet. At some point, you may start to see networks with no v4 connectivity whatsoever (maybe they already exist, but I can't imagine th…

> maybe they already exist, but I can't imagine them being useful

They are rare but do exist! Here's a couple of reports from the IPv6 subreddit: [1] [2].

[1]: https://teddit.net/r/ipv6/comments/he38ga/work_has_turned_of...

[2]: https://teddit.net/r/ipv6/comments/n5y5oo/update_on_not_bein...

Re: GitHub seems to be enabling IPv6 for GitHub Pages

#17
post #7

Earlier quoted context omitted.

Doesn't Happy Eyeballs fallback to IPv4 on that situation?

Anecdata: Enabling IPv6 does seem to break random stuff randomly.

If something has a network problem but it's not the uplink and it isn't DNS, then disabling ipv6 is definitely the next in the list.

Re: GitHub seems to be enabling IPv6 for GitHub Pages

#18
post #16

It would be nice if Verizon was interested in providing IPv6 access via their Fios service at all in 2021.

This user says they have IPV6 with FiOS: https://news.ycombinator.com/item?id=27985103

I have FiOS as well and I'm only a few miles from them. I attempted to get IPV6 from the router settings and it didn't work for me.

Re: GitHub seems to be enabling IPv6 for GitHub Pages

#20
post #7
post #5

Too bad I often have to disable IPv6 because my ISP suddenly decides to stop routing it from time to time. This is Comcast, so arguing with them doesn't get me anywhere, all I get is "Thanks for expressing your concern." "Rest assured that I will solve all your problems." from the support dude in some random call/chat center.

Doesn't Happy Eyeballs fallback to IPv4 on that situation?

Sort of. There needs to be more intelligence at the client end though. I have a fairly decent IPv6 link but it can still fail in strange ways, that does not mirror the IPv4 link. Then again the IPv4 link has moved in mysterious ways from time to time.

Happy Eyeballs isn't quite fully prevalent and it hasn't seen all failure modes yet nor how to deal with them.

Internets is a really hard problem. For starters: define "connected". My wife will sometimes suggest that our internet connection is not working - she implies that her laptop (Arch Linux - obvs) is completely broken. What is really happening is that Mr Zuckerberg's thang has wandered off for a break and a smoko.

This morning it was our mail server. Hit the wifi kill switch by accident then internet will not work.

I've disabled the kill switch.

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