<!-- edited with XMLSPY v2004 rel. 3 U (http://www.xmlspy.com) by C Smith (L&S) -->
<QueueingNetworkModel xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="pmifSchema.xsd" Name="POTS 2">
	<Node>
		<SourceNode Name="SourceNode"/>
		<SinkNode Name="SinkNode"/>
		<Server Name="CPU" Quantity="1" SchedulingPolicy="PS"/>
		<WorkUnitServer Name="Line_IF" Quantity="1" SchedulingPolicy="IS" TimeUnits="sec" ServiceTime="0.005"/>
	</Node>
	<Arc FromNode="SourceNode" ToNode="CPU"/>
	<Arc FromNode="CPU" ToNode="SinkNode"/>
	<Arc FromNode="Line_IF" ToNode="CPU"/>
	<Arc FromNode="CPU" ToNode="Line_IF"/>	
	<Workload>
		<OpenWorkload WorkloadName="Call_Origination" ArrivalRate="3" ArrivesAt="SourceNode" DepartsAt="SinkNode" TimeUnits="sec">
			<Transit To="CPU" Probability="1"/>
		</OpenWorkload>
		<OpenWorkload WorkloadName="Call_Termination" ArrivalRate="3" ArrivesAt="SourceNode" DepartsAt="SinkNode" TimeUnits="sec">
			<Transit To="CPU" Probability="1"/>
		</OpenWorkload>
		<OpenWorkload WorkloadName="HangUp_Called" ArrivalRate="3" ArrivesAt="SourceNode" DepartsAt="SinkNode" TimeUnits="sec">
			<Transit To="CPU" Probability="1"/>
		</OpenWorkload>
		<OpenWorkload WorkloadName="HangUp_Caller" ArrivalRate="3" ArrivesAt="SourceNode" DepartsAt="SinkNode" TimeUnits="sec">
			<Transit To="CPU" Probability="1"/>
		</OpenWorkload>
	</Workload>
	<ServiceRequest>
		<DemandServiceRequest WorkloadName="Call_Origination" ServerID="CPU" ServiceDemand="0.108" TimeUnits="sec" NumberOfVisits="10">
			<Transit To="Line_IF" Probability="0.9"/>
			<Transit To="SinkNode" Probability="0.1"/>
		</DemandServiceRequest>
		<WorkUnitServiceRequest WorkloadName="Call_Origination" ServerID="Line_IF" NumberOfVisits="9">
			<Transit To="CPU" Probability="1"/>
		</WorkUnitServiceRequest>
		<DemandServiceRequest WorkloadName="Call_Termination" ServerID="CPU" ServiceDemand="0.0735" TimeUnits="sec" NumberOfVisits="7">
			<Transit To="Line_IF" Probability="0.8571429"/>
			<Transit To="SinkNode" Probability="0.1428571"/>
		</DemandServiceRequest>
		<WorkUnitServiceRequest WorkloadName="Call_Termination" ServerID="Line_IF" NumberOfVisits="6">
			<Transit To="CPU" Probability="1"/>
		</WorkUnitServiceRequest>
		<DemandServiceRequest WorkloadName="HangUp_Called" ServerID="CPU" ServiceDemand="0.0165" TimeUnits="sec" NumberOfVisits="2">
			<Transit To="Line_IF" Probability="0.5"/>
			<Transit To="SinkNode" Probability="0.5"/>
		</DemandServiceRequest>
		<WorkUnitServiceRequest WorkloadName="HangUp_Called" ServerID="Line_IF" NumberOfVisits="1">
			<Transit To="CPU" Probability="1"/>
		</WorkUnitServiceRequest>
		<DemandServiceRequest WorkloadName="HangUp_Caller" ServerID="CPU" ServiceDemand="0.0255" TimeUnits="sec" NumberOfVisits="3">
			<Transit To="Line_IF" Probability="0.6666667"/>
			<Transit To="SinkNode" Probability="0.3333333"/>
		</DemandServiceRequest>
		<WorkUnitServiceRequest WorkloadName="HangUp_Caller" ServerID="Line_IF" NumberOfVisits="2">
			<Transit To="CPU" Probability="1"/>
		</WorkUnitServiceRequest>
	</ServiceRequest>
</QueueingNetworkModel>

