Ok, I’ll only discard the irate part  ;-]

I had not considered the extra work and code required to maintain both 
versions. But I get it now. Here is the unfortunate position this puts us in:

We use OpenVPN for connection from 1000’s of devices located at customer 
facilities back to us. These devices/software have a lifespan of greater than 
10 years and most are extremely expensive (not easily replaced). So a large 
quantity are incapable of ipv6 (and frankly many customer facility networks are 
not fully functional with ipv6). Also some of the devices/software at our end 
that interface with those legacy customer devices are also not ipv6 capable. 

So if OpenVPN lost ipv4 support anytime soon, we would be in a world of hurt.  
There is much more detail about all this, but I wanted to keep this a short 

Thanks for listening. 


> On Apr 1, 2018, at 11:39 AM, Gert Doering <g...@greenie.muc.de> wrote:
> Hi,
>> On Sun, Apr 01, 2018 at 11:19:57AM -0700, Marvin Adeff wrote:
>> Think of us poor mail list lurkers. Practically gave this one a heart 
>> attack!  Not having seen that private reply, I hope that means I can discard 
>> the long-ass (and quite irate) reply I was working on?
> Please share!
>> (Sent from an ipv4 address)
> Whatever journey OpenVPN takes, the Internet as a whole will need to 
> either finish the move to IPv6, or give up and return to IPv4-only -
> running dual-stack is just too expensive in the long run.  Like, twice
> the amount of code needed for routing, address parsing, firewalling, ...
> gert
> -- 
> "If was one thing all people took for granted, was conviction that if you 
> feed honest figures into a computer, honest figures come out. Never doubted 
> it myself till I met a computer with a sense of humor."
>                             Robert A. Heinlein, The Moon is a Harsh Mistress
> Gert Doering - Munich, Germany                             g...@greenie.muc.de

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