IPv6 for country mirrors

[Wido den Hollander]

On 5/13/20 4:58 PM, Vivien GUEANT - LaFibre.info wrote:
> Hello,
> 
> I propose to put in the prerequisites of "country mirror" to offer IPv6
> starting from January 1, 2021.
> 
> There are relatively few countries where the default server does not
> offer IPv6, this concerns 18 countries: Azerbaijan, Belarus, Costa Rica,
> Croatia, Estonia, Georgia, Germany, Greenland, Japan, Kuwait, Latvia,
> Nepal, Portugal, Romania, Serbia, Turkey, Ukraine and Uzbekistan.
> 
> This is very surprising for Germany, a country where there are ten
> mirrors with 10 Gbps (they all offer IPv6 except two).
> 
> If a mirror does not offer IPv6 on January 2021, I suggest to replace it
> by another voluntary host which offers IPv6 or by Canonical servers,
> already used as "country mirror" in many countries (United States,
> Canada, Mexico, China, United Kingdom, Spain, Hungary, Czech Republic,...)
> 
> Statistics on the "country mirror" are attached.
> 
> The absence of IPv6 is blocking for servers that no longer have IPv4
> connectivity, as Michael Hock explains :

I totally agree. I/we have many servers running which are IPv6-only.
Databases are a good example, but many other things we run are Ubuntu
systems with IPv6-only.

The mirrors in The Netherlands all have IPv6, so that's good. But I'm
all up for setting IPv6 as mandatory start at date X.

Wido

> 
> Le 03/05/2020 à 15:56, Michael Hock a écrit :
>> Hi all,
>>
>> I hope this is the right place to discuss this.
>> I'm responsible for a couple of hundred servers which run ubuntu
>> server 16.04/18.04/20.04. Also there are many virtual machines
>> running, including databases, webservers, monitoring, ... but most of
>> them only have IPv6 connectivity to the public internet. As all of you
>> might know, for leased IPv4 addresses you usually have to pay some
>> money and for many (internal) services IPv4 is just not needed any more.
>>
>> So the problem here is, most of the country specific ubuntu mirrors
>> are not IPv6 enabled. So what are we doing? In our head location we
>> use IPv4 NAT (country mirror not providing IPv6 there), in remote
>> locations "just use the US mirror, it has IPv6".
>>
>> Would it be possible to provide sort of a fallback IPv6 address for
>> all the country specific mirrors, so it would at least work if there
>> is only IPv6 connectivity to the public internet?
>> Reaching out to individual mirror operators was not successful (tried
>> to contact a few, they're not seeing it in their responsibility to
>> provide IPv6 connectivity to their mirrors).
>>
>> I would provide a couple of IPv6 only mirrors for some locations by
>> myself, but of course it's impossible for me to provide mirrors for
>> every country.
>> So I hope there are more people willing to either upgrade their
>> current mirrors to also provide IPv6, or to set up additional (IPv6
>> only) mirrors which are then added as DNS AAAA records to existing
>> country specific mirrors.
>>
>> Looking forward to hear your opinion on this.
> 
> Best regards,
> Vivien GUEANT (not a Canonical employee, just a mirror operator of
> fr.archive.ubuntu.com)
>