serv_strat1[0] = new ServiceTimeStrategy(serverExp1[0], serverPar1[0]);
RandomStrategy[] rrs_serv1 = new RandomStrategy[1];
rrs_serv1[0] = new RandomStrategy();
sim.addNode("server1", new Queue(-1, false, null, null), new Server(1, null, serv_strat1), new Router(rrs_serv1));
//server 2
ServiceStrategy[] serv_strat2 = new ServiceStrategy[1];
serv_strat2[0] = new ServiceTimeStrategy(serverExp2[0], serverPar2[0]);
RandomStrategy[] rrs_serv2 = new RandomStrategy[1];
rrs_serv2[0] = new RandomStrategy();
sim.addNode("server2", new Queue(-1, false, null, null), new Server(1, null, serv_strat2), new Router(rrs_serv2));
//connections
sim.addConnection("terminal", "server1");
sim.addConnection("server1", "server2");
sim.addConnection("server2", "terminal");