cqn_multiserver_nc.m

clear solver node jobclass;
 
% Closed Delay + multiserver FCFS queue.
% Exercises the exact multiserver path of SolverNC: with method 'exact'
% the c-server station is converted to a load-dependent station with rate
% min(n,c) (runAnalyzer.m), solved via comomld/pfqn_comomrm_ld. CTMC is the
% exact ground truth; MVA provides an additional cross-check.
 
model = Network('model');
 
node{1} = Delay(model, 'Delay');
node{2} = Queue(model, 'Queue1', SchedStrategy.FCFS);
node{2}.setNumServers(3);
 
jobclass{1} = ClosedClass(model, 'Class1', 5, node{1}, 0);
 
node{1}.setService(jobclass{1}, Exp.fitMean(1.0)); % mean = 1
node{2}.setService(jobclass{1}, Exp.fitMean(0.8)); % mean = 0.8
 
P = model.initRoutingMatrix;
P{1} = [0,1.0;1.0,0];
model.link(P);
 
solver{1} = CTMC(model);
solver{end+1} = MVA(model);
solver{end+1} = NC(model,'exact');
 
AvgTable = cell(1,length(solver));
for s=1:length(solver)
    fprintf(1,'SOLVER: %s\n',strrep(solver{s}.getName(),'Solver',''));
    AvgTable{s} = solver{s}.getAvgTable();
    AvgTable{s}
end