 
<scenario>
    <at t="60.0">
        <tell module="lifecycleController" target="client" operation="NodeShutdownOperation"/>
    </at>
    <at t="70.0">
        <tell module="lifecycleController" target="client" operation="NodeStartOperation"/>
    </at>
    <at t="80.0">
        <tell module="lifecycleController" target="server" operation="NodeShutdownOperation"/>
    </at>
    <at t="90.0">
        <tell module="lifecycleController" target="server" operation="NodeStartOperation"/>
    </at>
</scenario>

