is checked before
dispatching the client request to the servant. Only if the state is <tt>ACTIVE</tt>,
is the request dispatched to the servant. Otherwise, the request is rejected.
Since POA Managers start off in <tt>HOLDING</tt> state, make sure to
<tt>activate()</tt>
them before falling into the event loop.</li>

<li>
TAO's POA now properly supports both the threading policies: SINGLE_THREAD_MODEL
and ORB_CTRL_MODEL.</li>

<li>
The synchronization in the POA is now very optimal. For example, the locks
are