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-rw-r--r--doc/book/cookbook/real-world.md8
1 files changed, 6 insertions, 2 deletions
diff --git a/doc/book/cookbook/real-world.md b/doc/book/cookbook/real-world.md
index 5423bbab..9be1ba44 100644
--- a/doc/book/cookbook/real-world.md
+++ b/doc/book/cookbook/real-world.md
@@ -19,8 +19,12 @@ To run a real-world deployment, make sure the following conditions are met:
- You have at least three machines with sufficient storage space available.
-- Each machine has a public IP address which is reachable by other machines.
- Running behind a NAT is likely to be possible but hasn't been tested for the latest version (TODO).
+- Each machine has a public IP address which is reachable by other machines. It
+ is highly recommended that you use IPv6 for this end-to-end connectivity. If
+ IPv6 is not available, then using a mesh VPN such as
+ [Nebula](https://github.com/slackhq/nebula) or
+ [Yggdrasil](https://yggdrasil-network.github.io/) are approaches to consider
+ in addition to building out your own VPN tunneling.
- This guide will assume you are using Docker containers to deploy Garage on each node.
Garage can also be run independently, for instance as a [Systemd service](@/documentation/cookbook/systemd.md).