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<h1>Protocol</h1>
<p>A set of rules that defines how data is transported across networks. Oracle support with Oracle Net Manager include:</p>
<p><span class="bold">IPC</span></p>
<p>The Interprocess communication (IPC) protocol is used for client applications that are on the same computer as the listener. IPC can provide a faster local connection than TCP/IP.</p>
<p><span class="bold">Named Pipes</span></p>
<p>Named Pipes is used on PCs that are not using TCP/IP. Named Pipes is available only on Windows NT.</p>
<p><span class="bold">TCP/IP</span></p>
<p>The Transmission Control Protocol/Internet Protocol (TCP/IP) is the de facto standard Ethernet protocol used for client/database server conversation over a network. TCP/IP enables an Oracle application on a client to communicate with remote Oracle databases through TCP/IP (if the Oracle database is running on a host system that supports network communication using TCP/IP).</p>
<p>TCP/IP is the standard networking protocol. It is used overwhelmingly by both UNIX and PC based networks. It is also the protocol with which Internet connections are made.</p>
<p><span class="bold">TCP/IP with SSL</span></p>
<p>The TCP/IP with Secure Sockets Layer (SSL) protocol enables an Oracle application on a client to communicate with remote Oracle databases through TCP/IP and SSL (if the Oracle database is running on a host system that supports network communication using TCP/IP and SSL). TCP/IP with SSL is only for use with the <a href="n8ahelpssl_authentication_method.htm">SSL authentication method</a>.</p>
<p><span class="bold">Note:</span> Your operating system may support additional protocols.</p>
<p><span class="bold">Related Topics</span></p>
<p><a href="n8ahelpnet8_overview.htm">Oracle Net Services Overview</a></p>
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