 The client may advertise its own session ID back to
the server as well.</p>
</div>
<div class="paragraph">
<p>Session IDs should be unique to a given process. They must fit within a
packet-line, and must not contain non-printable or whitespace characters. The
current implementation uses trace2 session IDs (see
<a href="technical/api-trace2.html">api-trace2</a> for details), but this may change
and users of the session ID should not rely on this fact.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_gi