It would be nice if a laconi.ca-server (e.g. server_a) can subscribe to an other server (like identi.ca) to receive its dents.
The foreign dents on server_a could look like this: "user@server_a this is my message".
Now you could be part of identi.ca but your dents would also be visible on other laconi.ca servers (if they subscribed to identi.ca).
A user only needs to sign up to identi.ca but his/her words would be spread out to more servers/users.