Well, we had this at university. I think it's just running some protocol to sync user database (yp/nis/ldap/something) and amd to automount home dirs. You want

Well, we had this at university. I think it's just running some protocol to sync user database (yp/nis/ldap/something) and amd to automount home dirs. You want to mount all home dirs on first access, not just who's logged in, unless you want to prevent people sharing files by Unix file permissions. Or mount the whole of /home, but then it has to go through one server.