[AusNOG] Telstra IPv6 Wireless Enablement - IPv6 Single Stack

[Peter Tonoli]

Hi Russell,

This is great news.

On 6/2/20 3:27 pm, Russell Langton wrote:
> Hi AusNOGgers,
>
> Following our dual-stack enablement in Aug 2016, Telstra is proud the 
> announce the second step in our transition to IPv6 -  IPv6 
> Single-Stack deployment on Telstra wireless.
> This means shortly when you attach your mobile to Telstra.WAP APN it 
> will only get an Ipv6 address NO Ipv4 address.
>
>
>  * Basic flow *
> - If Alice is connecting to a website with a Ipv6 AAAA DNS record, It 
> will be a pure Ipv6 connection.
> - If Alice is connecting to a website with only a A DNS record, our 
> DNS will spoof the website address with a Well Known Prefix (WKP) so 
> it routes to the NAT64 gateway to Ipv4 internet.
> - If Alice is connecting to a Ipv4 address literal(x.x.x.x), It may fail.

I hope this is not a naive question:

Is there a higher chance of brokenness when users choose to use other 
DNS services (i.e. Cloudflare / DoH), apart from Telstra, due to the 
lack of WKP in the response from those providers?

Cheers,
Peter.



-- 
Peter Tonoli
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Director, Internet Australia <https://internet.org.au>
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