> ## 2 Introduction to cosTime

> ### 2.1 Overview

> The cosTime application is Time and TimerEvent Services compliant with the OMG Services CosTime and CosTimerEvent.

> #### 2.1.1 Purpose and Dependencies

> This application use `calender:now_to_universal_time(Now)` to create a UTC. Hence, the underlying OS must deliver a correct result when calling `erlang:now()`.

> cosTime is dependent on Orber, which provides CORBA functionality in an Erlang environment.

> cosTimerEvent is dependent on Orber and cosNotification, which provides CORBA functionality and Event handling in an Erlang environment.

> #### 2.1.2 Prerequisites

> To fully understand the concepts presented in the documentation, it is recommended that the user is familiar with distributed programming, CORBA, the Orber and cosNotification applications.

> Recommended reading includes CORBA, Fundamentals and Programming - Jon Siegel and Open Telecom Platform Documentation Set. It is also helpful to have read Concurrent Programming in Erlang.

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