DDRS=199.170.183.28,199.170.183.71</tt>.<p>
</ul>

An application may accept several concurrent transport
connections, but it need not do so.<p>


<h4><a name = "S3.3">3.3 Records</a></h4>

Applications execute requests from a Web server using a simple
protocol.  Details of the protocol depend upon the application's role,
but roughly speaking the Web server first sends parameters and other
data to the application, then the application sends result data to the
Web server, and finally the application sends th