One of the purposes of a router is to do the NAT between IPV6 and IPV4 and vice versa.  IPV4 can always be made into an IPV6 by making it hex and adding leading ffff digits.

I think one way to support it would be to put the server on a router inside a LAN.  The  Dyn DNS for Dreamgrid essentially works that way.  On Registration, it takes IPV4 as input  via CGI, and uses Perl's ip_transform to make an IPV6.  For example, 68.38.95.213 = ::ffff:4426:5fd5.  It saves both IPv4 (A record) and IPV6 (AAAA) in a table.  A DNS request does a simple query of the table and returns the above IPV6 when asked for a AAAA record.  The router then sends that to the PC to the correct IPV4.

Fred

Today's Topics:
    1. IPv6 (Ai Austin)


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Message: 1
Date: Fri, 15 Nov 2019 14:14:40 +0000
From: Ai Austin <ai.ai.aus...@gmail.com>
To: opensim-dev@opensimulator.org
Subject: [Opensim-dev] IPv6
Message-ID: <5dceb2ef.1c69fb81.a56af.d...@mx.google.com>
Content-Type: text/plain; charset="us-ascii"; format=flowed

I wonder if OpenSim is set up to allow IPv6 addresses in all places
where we can currently put in IPv4 style ones?

Is anything special needed if only domain names (rather than IP
numbers)  are used and a switch to IPv6 occurs on the host network?

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