.-----.    +-------+     .-----.                   .-----.
   / IPv6- \   |       |    /       \                 /       \
  (  only   )--+ Res./ |   /  IPv6-  \    .-----.    /  IPv4-  \
   \ LANs  /   | SOHO  +--(   only    )--( NAT64 )--(   only    )
    `-----'    |       |   \  flow   /    `-----'    \  flow   /
    .-----.    | IPv6  |    \       /                 \       /
   / IPv4- \   |  CE   |     `--+--'                   `--+--'
  (  only   )--+ with  |        |                         |
   \ LANs  /   | CLAT  |    +---+----+                +---+----+
    `-----'    |       |    |DNS/IPv6|                |DNS/IPv4|
    .-----.    +---+---+    +--------+                +--------+
   / Dual- \       |
  (  Stack  )------|
   \ LANs  /
    `-----'