iMac:owen (112) ~ % host www.amazon.com                                         
                                                        2022/03/31 17:16:40
www.amazon.com is an alias for tp.47cf2c8c9-frontier.amazon.com.
tp.47cf2c8c9-frontier.amazon.com is an alias for d3ag4hukkh62yn.cloudfront.net.
d3ag4hukkh62yn.cloudfront.net has address 143.204.129.80

and

iMac:owen (113) ~ % dig -t aaaa www.amazon.com                                  
                                                        2022/03/31 17:26:36

; <<>> DiG 9.10.6 <<>> -t aaaa www.amazon.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33930
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;www.amazon.com.                        IN      AAAA

;; ANSWER SECTION:
www.amazon.com.         228     IN      CNAME   
tp.47cf2c8c9-frontier.amazon.com.
tp.47cf2c8c9-frontier.amazon.com. 45 IN CNAME   d3ag4hukkh62yn.cloudfront.net.

;; AUTHORITY SECTION:
d3ag4hukkh62yn.cloudfront.net. 46 IN    SOA     ns-130.awsdns-16.com. 
awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

;; Query time: 0 msec
;; SERVER: 192.159.10.2#53(192.159.10.2)
;; WHEN: Thu Mar 31 17:26:50 PDT 2022
;; MSG SIZE  rcvd: 206

0.002u 0.017s 0:00.02 50.0%     0+0k 0+0io 2pf+0w
iMac:owen (114) ~ % dig -t aaaa tp.47cf2c8c9-frontier.amazon.com                
                                                        2022/03/31 17:26:50

; <<>> DiG 9.10.6 <<>> -t aaaa tp.47cf2c8c9-frontier.amazon.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25417
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;tp.47cf2c8c9-frontier.amazon.com. IN   AAAA

;; ANSWER SECTION:
tp.47cf2c8c9-frontier.amazon.com. 21 IN CNAME   d3ag4hukkh62yn.cloudfront.net.

;; AUTHORITY SECTION:
d3ag4hukkh62yn.cloudfront.net. 22 IN    SOA     ns-130.awsdns-16.com. 
awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

;; Query time: 0 msec
;; SERVER: 192.159.10.2#53(192.159.10.2)
;; WHEN: Thu Mar 31 17:27:14 PDT 2022
;; MSG SIZE  rcvd: 188

0.002u 0.005s 0:00.00 0.0%      0+0k 0+0io 0pf+0w
iMac:owen (115) ~ % dig -t aaaa d3ag4hukkh62yn.cloudfront.net.                  
                                                        2022/03/31 17:27:14

; <<>> DiG 9.10.6 <<>> -t aaaa d3ag4hukkh62yn.cloudfront.net.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63871
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;d3ag4hukkh62yn.cloudfront.net. IN      AAAA

;; AUTHORITY SECTION:
d3ag4hukkh62yn.cloudfront.net. 5 IN     SOA     ns-130.awsdns-16.com. 
awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

;; Query time: 0 msec
;; SERVER: 192.159.10.2#53(192.159.10.2)
;; WHEN: Thu Mar 31 17:27:31 PDT 2022
;; MSG SIZE  rcvd: 142


So… As I said… Amazon.

Owen


> On Mar 31, 2022, at 16:00 , Andras Toth <diosbej...@gmail.com> wrote:
> 
> https://aws.amazon.com/blogs/networking-and-content-delivery/introducing-ipv6-only-subnets-and-ec2-instances/
>  
> <https://aws.amazon.com/blogs/networking-and-content-delivery/introducing-ipv6-only-subnets-and-ec2-instances/>
> 
>> On 1 Apr 2022, at 06:44, Owen DeLong via NANOG <nanog@nanog.org> wrote:
>> 
>> In short:
>>      Amazon
>>      Alibaba
>>      Google Cloud
>> 
>> And a few other laggards that are key destinations that a lot of eyeball 
>> customers expect to be
>> able to reach.
>> 
>> Owen
>> 
>> 
>>> On Mar 29, 2022, at 13:53 , Jacques Latour <jacques.lat...@cira.ca 
>>> <mailto:jacques.lat...@cira.ca>> wrote:
>>> 
>>> So, in 25, 50 or 100 years from now, are we still going to be dual stack 
>>> IPv4/IPv6?
>>> When are we going to give up on IPv4?
>>> People can run IPv4 all they want inside their networks for 1000s of years.
>>> What will it take to be IPv6 only?
>>>  
>>> 😊
>>>  
>>> From: NANOG <nanog-bounces+jacques.latour=cira...@nanog.org 
>>> <mailto:nanog-bounces+jacques.latour=cira...@nanog.org>> On Behalf Of Owen 
>>> DeLong via NANOG
>>> Sent: March 29, 2022 3:52 PM
>>> To: Abraham Y. Chen <ayc...@avinta.com <mailto:ayc...@avinta.com>>
>>> Cc: NANOG <nanog@nanog.org <mailto:nanog@nanog.org>>
>>> Subject: [EXT] Re: Let's Focus on Moving Forward Re: V6 still not supported 
>>> re: 202203261833.AYC
>>>  
>>> Submit an Internet draft, same as any other IP related enhancement gets 
>>> introduced.
>>>  
>>> What you’re really complaining about is that it’s been virtually impossible 
>>> to gain consensus to move anything IPv4 related forward in the IETF since 
>>> at least 2015.
>>>  
>>> Well… It’s a consensus process. If your idea isn’t getting consensus, then 
>>> perhaps it’s simply that the group you are seeking consensus from doesn’t 
>>> like your idea.
>>>  
>>> Your inability to convince the members of the various working groups that 
>>> your idea has merit isn’t necessarily a defect in the IETF process… It 
>>> might simply be a lack of merit in your ideas.
>>>  
>>> Owen
>>>  
>>> 
>>> 
>>> On Mar 26, 2022, at 15:43 , Abraham Y. Chen <ayc...@avinta.com 
>>> <mailto:ayc...@avinta.com>> wrote:
>>>  
>>> Hi, Justin:
>>>  
>>> 1)    "... no one is stopping anyone from working on IPv4 ...     ":   
>>> After all these discussions, are you still denying this basic issue? For 
>>> example, there has not been any straightforward way to introduce IPv4 
>>> enhancement ideas to IETF since at least 2015. If you know the way, please 
>>> make it public. I am sure that many are eager to learn about it. Thanks.
>>>  
>>> Regards,
>>>  
>>>  
>>> Abe (2022-03-26 18:42)
>>>  
>>>  
>>>  
>>>  
>>> On 2022-03-26 11:20, Justin Streiner wrote:
>>> While the Internet is intended to allow the free exchange of information, 
>>> the means of getting that information from place to place is and has to be 
>>> defined by protocols that are implemented in a consistent manner (see: BGP, 
>>> among many other examples).  It's important to separate the ideas from the 
>>> plumbing.
>>>  
>>> That said, no one is stopping anyone from working on IPv4, so what personal 
>>> freedoms are being impacted by working toward deploying IPv6, with an eye 
>>> toward sunsetting IPv4 in the future?
>>>  
>>> Keep in mind that IPv4 started out as an experiment that found its way into 
>>> wider use.  It's a classic case of a test deployment that suddenly mutated 
>>> into a production service.  Why should we continue to expend effort to 
>>> perpetuate the sins of the past, rather work toward getting v6 into wider 
>>> use?
>>>  
>>> Is IPv6 a perfect protocol?  Absolutely not, but it addresses the key pain 
>>> point of IPv4 - address space exhaustion.
>>>  
>>> Thank you
>>> jms
>>>  
>>> On Sat, Mar 26, 2022 at 9:35 AM Abraham Y. Chen <ayc...@avinta.com 
>>> <mailto:ayc...@avinta.com>> wrote:
>>>  
>>> 3)    Re: Ur. Pts. 5) & 6):    I believe that there is a philosophic / 
>>> logic baseline that we need to sort out, first. That is, we must keep in 
>>> mind that the Internet community strongly promotes "personal freedom". 
>>> Assuming that by stopping others from working on IPv4 will shift their 
>>> energy to IPv6 is totally contradicting such a principle. A project 
>>> attracts contributors by its own merits, not by relying on artificial 
>>> barriers to the competitions. Based on my best understanding, IPv6 failed 
>>> right after the decision of "not emphasizing the backward compatibility 
>>> with IPv4". It broke one of the golden rules in the system engineering 
>>> discipline. After nearly three decades, still evading such fact, but 
>>> defusing IPv6 issues by various tactics is the real impedance to progress, 
>>> not only to IPv4 but also to IPv6.
>> 

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