> [!GSSOpenServer] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_client_gssopenserver.png"></td><td><b>Wait Category</b></td><td>Client</td></tr><tr><td><b>Mechanism</b></td><td><code>GSSAPI</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Table/SeqScan">SeqScan</a></td></tr><tr><td><b>Resources</b></td><td><a href="Resources/Network">Network</a>, <a href="Resources/CPU">CPU</a></td></tr><tr><td colspan="3"><b>External Authentication Delay</b>. When a cluster is configured with GSSAPI security, the initial connection process requires a complex multi-step exchange of tickets and keys between the database, the client, and an external Key Distribution Center (KDC).</td></tr></table>