json_hetero_servers.m

function model = json_hetero_servers()
% Closed 2-class network with heterogeneous servers.
model = Network('HeteroServers');
 
delay = Delay(model, 'Delay');
queue = Queue(model, 'Queue', SchedStrategy.FCFS);
queue.setNumberOfServers(3);
 
class1 = ClosedClass(model, 'Class1', 3, delay);
class2 = ClosedClass(model, 'Class2', 2, delay);
 
delay.setService(class1, Exp(1));
delay.setService(class2, Exp(2));
 
% Default service (required before hetero setup)
queue.setService(class1, Exp(3));
queue.setService(class2, Exp(2));
 
% Heterogeneous server types
fast = ServerType('Fast', 2, {class1, class2});
slow = ServerType('Slow', 1, {class1});
 
queue.addServerType(fast);
queue.addServerType(slow);
 
queue.setHeteroSchedPolicy(HeteroSchedPolicy.ORDER);
 
queue.setHeteroService(class1, fast, Exp(5));
queue.setHeteroService(class2, fast, Exp(3));
queue.setHeteroService(class1, slow, Exp(1));
 
P = model.initRoutingMatrix();
P{class1} = Network.serialRouting(delay, queue);
P{class2} = Network.serialRouting(delay, queue);
model.link(P);
end