From db776ac9d4259df9007fd159734d7210fba2e6a5 Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Tue, 1 Dec 2020 11:46:36 +0100
Subject: [PATCH] ++dr

---
 ipv6-dr.dot | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 ipv6-dr.dot

diff --git a/ipv6-dr.dot b/ipv6-dr.dot
new file mode 100644
index 0000000..c5d9b7f
--- /dev/null
+++ b/ipv6-dr.dot
@@ -0,0 +1,52 @@
+digraph G {
+    node [ shape=box, fontcolor="#ffffff", color="#40a9e3", style="filled"  ]
+
+#    rankdir="LR"
+
+    ipv6internet [ label="The IPv6 Internet" shape=oval ];
+    ipv4internet [ label="The IPv4 Internet" shape=oval ];
+    ipv6vpn [ label="IPv6VPN.ch\nIPv6 via wireguard" shape=oval ];
+
+    subgraph cluster_regular {
+        label="Non-enhanced mobile connection (DR)"
+
+        subgraph cluster_onedev {
+            label="One end device"
+            mobile1 [ label="Mobile device" ]
+        }
+
+        subgraph cluster_multidev {
+            label="Multiple end devices"
+            router2 [ label="Router w/ mobile uplink" ];
+            dev1 [ label="Desktop" ];
+            dev2 [ label="NAS" ];
+            dev3 [ label="Printer" ];
+        }
+    }
+
+    subgraph cluster_enhanced {
+        label="Enhanced mobile connection (DR+ungleich)"
+
+        subgraph cluster_onedev_enhanced {
+            label="One end device"
+            mobile1plus [ label="Mobile device" ]
+        }
+        subgraph cluster_multidev_enhanced {
+            label="Multiple end devices"
+            router2plus [ label="Router w/ mobile uplink" ];
+            dev1plus [ label="Desktop" ];
+            dev2plus [ label="NAS" ];
+            dev3plus [ label="Printer" ];
+        }
+    }
+
+    {router2,mobile1,router2plus,mobile1plus}->ipv4internet [ label="Outgoing connections work" ]
+    {router2,mobile1}->ipv6internet [ shape=dashed label="Inaccessible" ]
+    {router2plus,mobile1plus}->ipv6vpn [ shape=dashed label="Establish IPv6 connection" ]
+    {dev1,dev2,dev3}->router2 [ label="Connect via router" ]
+
+    ipv4internet->mobile1 [ label="Incoming connections don't work" ]
+    ipv6vpn->ipv6internet [ label="Access the IPv6 Internet" ]
+    ipv6internet->{router2plus,mobile1plus,dev2plus,dev3plus,dev1plus} [ label="Access via IPv6" ]
+
+}