.org/technology/documents/formal/trading_object_service.htm">Trading
Service</a> is an implementation of the COS Trading Service speficiation
that meets the Linked Trader conformance criteria --- it implements the
<tt>Lookup</tt>,
<tt>Register</tt>, <tt>Admin</tt>, and
<tt>Link</tt> interfaces, but not
the <tt>Proxy</tt> interface. Notably, the TAO trader supports the following
features:
<ul>
<li>
Multithreaded operation;</li>

<li>
Trader federations and distributed queries;</li>

<li>
Dynamic properties;<