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Re: ipv4 and ipv6 Coexistence.

Stewart Bryant <stewart.bryant@gmail.com> Wed, 26 February 2020 10:28 UTC

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From: Stewart Bryant <stewart.bryant@gmail.com>
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Subject: Re: ipv4 and ipv6 Coexistence.
Date: Wed, 26 Feb 2020 10:28:26 +0000
In-Reply-To: <5E5640DC.50109@btconnect.com>
Cc: Stewart Bryant <stewart.bryant@gmail.com>, John C Klensin <john-ietf@jck.com>, JORDI PALET MARTINEZ <jordi.palet=40consulintel.es@dmarc.ietf.org>, IETF Rinse Repeat <ietf@ietf.org>
To: tom petch <daedulus@btconnect.com>
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> On 26 Feb 2020, at 09:56, tom petch <daedulus@btconnect.com> wrote:
> 
> 
> On 26/02/2020 09:35, Stewart Bryant wrote:
>> 
>> 
>> Before my time, but was IPv4 designed before or after the Internet was released from the government to the public?
> 
> Way before, if I understand your question aright.
> 
> I see the start of the public internet as April, 1995, when commercial activity, over and above applying for NSF grants, was permitted.  This enabled ISPs as we now know them.
> 
> IPv4?  I date to RFC791, September 1981 although much of the technology was fixed before then.
> 
> Tom Petch
> 

My question was semi-rhetorical because I did not remember the exact timing, but I think this conforms my suspicion that the key technical decisions behind the Internet were made whilst it was under government control.

- Stewart

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