ld_class_dependence.m

clear node jobclass
 
% class-dependent model
N = 16; % number of jobs
c = 2;
%%
cdmodel = Network('model');
node{1} = Delay(cdmodel, 'Delay');
node{2} = Queue(cdmodel, 'Queue1', SchedStrategy.PS);
jobclass{1} = ClosedClass(cdmodel, 'Class1', N, node{1}, 0);
jobclass{2} = ClosedClass(cdmodel, 'Class2', N/2, node{1}, 0);
node{1}.setService(jobclass{1}, Exp.fitMean(1.0)); % mean = 1
node{1}.setService(jobclass{2}, Exp.fitMean(2.0)); % mean = 1
node{2}.setService(jobclass{1}, Exp.fitMean(1.5)); % mean = 1.5
node{2}.setService(jobclass{2}, Exp.fitMean(2.5)); % mean = 1.5
node{2}.setClassDependence(@(ni) min(ni(1),c), c); % multi-server only for class-1 jobs; peak rate scaling = c (Util = T*S/c)
 
P = cdmodel.initRoutingMatrix();
P{1,1} = cdmodel.serialRouting(node);
P{2,2} = cdmodel.serialRouting(node);
cdmodel.link(P);
 
cdAvgTableCTMC=CTMC(cdmodel).getAvgTable
cdAvgTableCD=MVA(cdmodel,'method','qd').getAvgTable
% JMT is not solved here: the JSIM writer has no representation for the
% class-dependence handle, so SolverJMT rejects the model rather than
% silently solving it unscaled (see SolverJMT.getFeatureSet).
 
model = cdmodel; % for test compatibility