Mosh

Mosh is a SSH client server that is aware of connectivity problems of the original SSH implementation. Mosh can migrate physical connections and IP addresses while staying connected. Mosh depends on SSH.

Emerge
Install :

Configuration
Mosh requires UTF-8 locales to be set in order to run. To check, run:

In case it does not return the UTF-8 locale see UTF-8.

Firewall
Each mosh client requires a free and accessible UDP port between 60000 and 61000 on the server to function.

Connecting
Once the remote host has SSH running, mosh installed, and the UFT8 locale set connection is possible: