Thinking of terms used in communication, the naming of the 'zfsu tx' command gives me the reversed impression. As it actually receives data from a remote host,

Thinking of terms used in communication, the naming of the 'zfsu tx' command gives me the reversed impression. As it actually receives data from a remote host, it should be 'zfsu rx'. Maybe it would even be more intuitive to just call it "fetch" or "pull".