r a particular transmission type.
</p>
<p>live: Set options as for live transmission. In this mode, you should
send by one sending instruction only so many data that fit in one UDP packet,
and limited to the value defined first in &lsquo;<samp>payload_size</samp>&rsquo; (1316 is
default in this mode). There is no speed control in this mode, only the
bandwidth control, if configured, in order to not exceed the bandwidth with
the overhead transmission (retransmitted and control packets).
</p>
<p>file: Set opt