Re: [sunset4] [DNSOP] FW: New Version Notification for draft-palet-sunset4-ipv6-ready-dns-00.txt

[JORDI PALET MARTINEZ <[e-mail]>]

Hi Bob,

The lack of DHCPv6 doesn’t present a problem for the transition or IPv6 support, in fact is in cellular networks where IPv6 is more predominant.

For DNS64, you will see in my document this is one of the reasons for calling to this action.

In the “DNS world” I doubt there are legacy “servers” or “devices” that don’t support IPv6. If a “DNS” provider or a “hosting provider” or “cloud provider” is unable to do IPv6 in two years from now, do all the rest of the citizens need to pay the cost of upgrading his network or only their own customers?

Do we want that those services stay as IPv4 for 10 years? Or Maybe 20 or 40 if we don’t take an action to let them know that the Internet services need to be IPv6-Ready ?

Please note that I fully agree that at every office, every home, there are IPv4 devices or apps that will never work with IPv4, and actually I don’t care about that (even I wish is not the case). If the servers where those devices need to access are IPv6-Ready, then 464XLAT/NAT64 will work without breaking DNSSEC, so we bypass that problem.

Regards,
Jordi
 

    
    As much as I would like to see the transition happen, 
    
    Realistically, IPv4 will continue to 'work', for a large number of users, for a very long time.
    If you multiply your times by 10 (or more) and work hard, you might be successful in phasing out most of IPv4 in DNS.
    But forcing users to change seems like a bad idea.
    
    
    I note issues like:
    - Cloud providers (Amazon, Google, Azure?) only provide a private IPv4 address to virtual machines.  They use NAT to get an IPv6 address for incoming traffic.  I don't know of any way to do IPv6 outgoing.  (I could be wrong, still learning here.)
    
    - Android does not support DHCPv6.
    - DNS64 breaks DNSSEC.
    - There are probably a large number of legacy hardware devices and software programs that do not support IPv6, but will still be running 10 or 20 years from now.
    
    I expect there are many more, but those come to mind.
    
    
    -- 
    
    Bob Harold
    
      
    
    
    
    
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