OEM Cloud Control and the SOA Management Pack
The latest Oracle Enterprise Manager (OEM) Cloud Control 12c is Oracle's monitoring and management product of choice for the majority of Oracle software and applications. By leveraging OEM Cloud Control, you can monitor and manage all your Oracle and non-Oracle software through a single centralized console.
OEM Cloud Control should not be confused with Oracle Enterprise Manager Fusion Middleware Control and especially with Oracle Enterprise Manager, which is a console shipped with the Oracle Database and older versions of the Oracle Application Server.
An agent (specifically, the Oracle Management Agent) is installed on every server you wish to monitor, and the data on that system is collected and reported back to the central repository (specifically, the Oracle Management Server) at regular intervals. It is through the Oracle Management Server (OMS) that you can log in via a web browser to view the server status and performance, configure alerts...