Mosh is a client/server setup allowing kind of asynchronous interactive session on a ssh server over a ssh connection. It doesn't replace ssh but complements it, making ssh interactive sessions more usable for low-latency and failing connections.
It somehow works like a proxy, with the added feature that it tries to add some sort of advanced local echo.
It somehow works like a proxy, with the added feature that it tries to add some sort of advanced local echo.