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 UTF8 locales to be set in order to run:

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