Oracle® Database New Features Guide

Oracle Connection Manager is a software component that resides on its own computer, separate from a client or an Oracle database server. It proxies and screens requests for the database server. In addition, it multiplexes database sessions. In its session multiplexing role, Oracle Connection Manager funnels multiple sessions through a single transport protocol connection to a particular destination. This reduces the demand on resources needed to maintain multiple sessions between two processes by enabling the Oracle database server to use fewer connection end points for incoming requests. ...