 repeatedly initiated.</pre>
<pre style="margin:0; padding:0 ">  10: //</pre>
<pre style="margin:0; padding:0 ">  11: // Further, this module supports in-band ping testing, which means that a level</pre>
<pre style="margin:0; padding:0 ">  12: // change on the ping_p/n diff pair will result in a full-handshake response</pre>
<pre style="margin:0; padding:0 ">  13: // on alert_p/n and ack_p/n.</pre>
<pre style="margin:0; padding:0 ">  14: //</pre>
<pre style="margin:0; padding:0 ">  15: // The protocol works