Subj : Re: What sense is a tunnel? (was: '-Unpublished-' with speed > 300)
To   : Michiel van der Vlist
From : Dan Clough
Date : Sun Nov 09 2025 09:54 am

-=> Michiel van der Vlist wrote to Dan Clough <=-

 MvV>> 4) And last but not least; what happened to that pioneer spirit
 MvV>> that made Fidonet sysops try out and help further develop new
 MvV>> technologies?

 DC> I'm really not sure that exists much any more.  I do understand what
 DC> you mean, and experienced it myself back in FidoNet in the 1990's.

 MvV> For me it was the prime reason to get involved in IPv6. Now almost two
 MvV> decades ago I became aware of the IPv4 address space being finate and
 MvV> the expected depletion. I also learned about the proposed solution;
 MvV> IPv6. That triggered my curiosity. I wanted to know more about it. That
 MvV> in tur nbrought me in contact with SisXs and the use of tunnels. SixXs
 MvV> shut down in 2017 but there is still a lot of interestung material
 MvV> archived on their mo lomger maintained website: sixxs.net. Anyway, it
 MvV> was the pioneer spirit that made me into a Fidonet IPv6 evangelist...

Understood, but for me, this subject doesn't "grab me" that strongly.

 DC> Okay, so I can see that (running a server in an area only served by
 DC> CGNAT) as being a valid reason to want/need IPv6.  I guess I didn't
 DC> know that kind of thing was already happening.  Certainly haven't seen
 DC> or heard of it being a thing where I am.

 MvV> That you may not have been in contact with CGNAT may be explained by
 MvV> the fact that when filling up the table of IPv4 address the US had the
 MvV> advantage of first choice. Those handing out the addresses didn't
 MvV> realise that four billion addresses might NOT be enough for the
 MvV> foreseeable future. Complete /8 were handed out to US companies and
 MvV> institutions. So in the US there usually is no shortage of IPv4
 MvV> addresses. In Europe and other parts of the world most of the
 MvV> incumbamts still have enough IPv4 on stock but it is different for the
 MvV> newcomers. And with the fiberglass roll out there are many newcomers.
 MvV> They don't have "historic" IPv4, they have to buy it on the market and
 MvV> it is expensive. They need what money they have to invest in the
 MvV> hardware, so many have adopted a policy of not giving their customers a
 MvV> unique public IPv4 address but use CGNAT instead. Some of them (like
 MvV> mine) still offer the option of getting a unique public IPv4 on request
 MvV> but not all do. Hence the coming of CGNAT and the need to go IPv6.

Didn't realize some/most of that - thanks for the info.



.... Gone crazy, be back later, please leave message.
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