cluster_0 cluster_1 cluster_2 cluster_3 A_0_false Listen T_0_18446744073709551615 A_0_false->T_0_18446744073709551615 T_1_18446744073709551615 A_0_false->T_1_18446744073709551615 A_1_true Work(1) T_2_18446744073709551615 A_1_true->T_2_18446744073709551615 T_0_18446744073709551615->A_1_true D_0_18446744073709551615_1 Client → Request(1) D_0_18446744073709551615_1->T_0_18446744073709551615 A_2_true Work(2) T_3_18446744073709551615 A_2_true->T_3_18446744073709551615 T_1_18446744073709551615->A_2_true D_1_18446744073709551615_2 Client → Request(2) D_1_18446744073709551615_2->T_1_18446744073709551615 T_2_18446744073709551615->A_0_false S_2_18446744073709551615_4 Response(1) → Client T_2_18446744073709551615->S_2_18446744073709551615_4 D_2_18446744073709551615_3 Activity → Completed D_2_18446744073709551615_3->T_2_18446744073709551615 T_3_18446744073709551615->A_0_false S_3_18446744073709551615_5 Response(2) → Client T_3_18446744073709551615->S_3_18446744073709551615_5 D_3_18446744073709551615_3 Activity → Completed D_3_18446744073709551615_3->T_3_18446744073709551615