def test_lsp_failover(self): model1 = PerformanceModel() model1.rsvp_lsp_objects = set() model1.demand_objects = set() int_list = [{ 'name': 'E-to-A', 'cost': 10, 'capacity': 300, 'node': 'E', 'remote_node': 'A', 'circuit_id': 1, 'failed': False }, { 'name': 'C-to-D', 'cost': 30, 'capacity': 150, 'node': 'C', 'remote_node': 'D', 'circuit_id': 5, 'failed': False }, { 'name': 'D-to-C', 'cost': 30, 'capacity': 150, 'node': 'D', 'remote_node': 'C', 'circuit_id': 5, 'failed': False }, { 'name': 'A-to-E', 'cost': 10, 'capacity': 300, 'node': 'A', 'remote_node': 'E', 'circuit_id': 1, 'failed': False }, { 'name': 'A-to-D', 'cost': 40, 'capacity': 20, 'node': 'A', 'remote_node': 'D', 'circuit_id': 2, 'failed': False }, { 'name': 'D-to-A', 'cost': 40, 'capacity': 20, 'node': 'D', 'remote_node': 'A', 'circuit_id': 2, 'failed': False }, { 'name': 'G-to-D', 'cost': 10, 'capacity': 100, 'node': 'G', 'remote_node': 'D', 'circuit_id': 7, 'failed': False }, { 'name': 'C-to-A', 'cost': 30, 'capacity': 150, 'node': 'C', 'remote_node': 'A', 'circuit_id': 3, 'failed': False }, { 'name': 'D-to-F', 'cost': 10, 'capacity': 300, 'node': 'D', 'remote_node': 'F', 'circuit_id': 6, 'failed': False }, { 'name': 'F-to-D', 'cost': 10, 'capacity': 300, 'node': 'F', 'remote_node': 'D', 'circuit_id': 6, 'failed': False }, { 'name': 'D-to-G', 'cost': 10, 'capacity': 100, 'node': 'D', 'remote_node': 'G', 'circuit_id': 7, 'failed': False }, { 'name': 'B-to-A', 'cost': 20, 'capacity': 125, 'node': 'B', 'remote_node': 'A', 'circuit_id': 4, 'failed': False }, { 'name': 'D-to-B', 'cost': 20, 'capacity': 125, 'node': 'D', 'remote_node': 'B', 'circuit_id': 8, 'failed': False }, { 'name': 'B-to-G', 'cost': 10, 'capacity': 100, 'node': 'B', 'remote_node': 'G', 'circuit_id': 9, 'failed': False }, { 'name': 'A-to-C', 'cost': 30, 'capacity': 150, 'node': 'A', 'remote_node': 'C', 'circuit_id': 3, 'failed': False }, { 'name': 'B-to-D', 'cost': 20, 'capacity': 125, 'node': 'B', 'remote_node': 'D', 'circuit_id': 8, 'failed': False }, { 'name': 'G-to-B', 'cost': 10, 'capacity': 100, 'node': 'G', 'remote_node': 'B', 'circuit_id': 9, 'failed': False }, { 'name': 'A-to-B', 'cost': 20, 'capacity': 125, 'node': 'A', 'remote_node': 'B', 'circuit_id': 4, 'failed': False }] model1.add_network_interfaces_from_list(int_list) model1.add_rsvp_lsp('A', 'D', 'lsp_a_d_1') model1.add_rsvp_lsp('A', 'D', 'lsp_a_d_2') model1.fail_interface('A-to-B', 'A') int_a_b = model1.get_interface_object('A-to-B', 'A') int_a_c = model1.get_interface_object('A-to-C', 'A') demands = [ { 'source': 'A', 'dest': 'D', 'traffic': 70, 'name': 'dmd_a_d_2' }, { 'source': 'A', 'dest': 'D', 'traffic': 80, 'name': 'dmd_a_d_1' }, { 'source': 'F', 'dest': 'E', 'traffic': 400, 'name': 'dmd_f_e_1' }, { 'source': 'A', 'dest': 'F', 'traffic': 40, 'name': 'dmd_a_f_1' }, ] for demand in demands: model1.add_demand(demand['source'], demand['dest'], demand['traffic'], demand['name']) model1.update_simulation() self.assertTrue(int_a_b.failed) # int_a_b should not have any LSPs lsps_on_int_a_b = [lsp for lsp in int_a_b.lsps(model1)] self.assertTrue(len(lsps_on_int_a_b) == 0) # int_a_c should have lsp_a_d_1 and lsp_a_d_2 lsp_names_on_int_a_c = [lsp.lsp_name for lsp in int_a_c.lsps(model1)] self.assertIn('lsp_a_d_1', lsp_names_on_int_a_c) self.assertIn('lsp_a_d_2', lsp_names_on_int_a_c) # reservable_bandwidth on int_a_c self.assertEqual(int_a_c.reserved_bandwidth, 150.0) self.assertEqual(int_a_c.reservable_bandwidth, 0.0)
# find the best path from node A to B best_A_B = model1.get_shortest_path(source, dest) print("The best path from Node A to Node B is:", best_A_B) print() # display the traffic print('Interface traffic with no failures:') model1.update_simulation() model1.display_interfaces_traffic() print() print() # Find the remote interface for Node F, interface F-to-D print("Find the remote interface for Node F, interface F-to-D:") f_to_d = model1.get_interface_object('F-to-D', 'F') remote_int = f_to_d.get_remote_interface(model1) print("Remote interface is", remote_int) print() # Fail interface on node A, interface A-to-B print('Failing interface A-to-B on node A') int_to_fail = model1.get_interface_object('A-to-B', 'A') int_to_fail.fail_interface(model1) # Calculate new traffic on interfaces and display # the new traffic after the failure print('Here is the traffic after the failure:') model1.update_simulation() model1.display_interfaces_traffic() print()
def test_int_bw(self): model = PerformanceModel() model.rsvp_lsp_objects = set([]) model.demand_objects = set([]) int_list = [{ 'name': 'E-to-A', 'cost': 10, 'capacity': 300, 'node': 'E', 'remote_node': 'A', 'circuit_id': 1, 'failed': False }, { 'name': 'C-to-D', 'cost': 30, 'capacity': 150, 'node': 'C', 'remote_node': 'D', 'circuit_id': 5, 'failed': False }, { 'name': 'D-to-C', 'cost': 30, 'capacity': 150, 'node': 'D', 'remote_node': 'C', 'circuit_id': 5, 'failed': False }, { 'name': 'A-to-E', 'cost': 10, 'capacity': 300, 'node': 'A', 'remote_node': 'E', 'circuit_id': 1, 'failed': False }, { 'name': 'A-to-D', 'cost': 40, 'capacity': 20, 'node': 'A', 'remote_node': 'D', 'circuit_id': 2, 'failed': False }, { 'name': 'D-to-A', 'cost': 40, 'capacity': 20, 'node': 'D', 'remote_node': 'A', 'circuit_id': 2, 'failed': False }, { 'name': 'G-to-D', 'cost': 10, 'capacity': 100, 'node': 'G', 'remote_node': 'D', 'circuit_id': 7, 'failed': False }, { 'name': 'C-to-A', 'cost': 30, 'capacity': 150, 'node': 'C', 'remote_node': 'A', 'circuit_id': 3, 'failed': False }, { 'name': 'D-to-F', 'cost': 10, 'capacity': 300, 'node': 'D', 'remote_node': 'F', 'circuit_id': 6, 'failed': False }, { 'name': 'F-to-D', 'cost': 10, 'capacity': 300, 'node': 'F', 'remote_node': 'D', 'circuit_id': 6, 'failed': False }, { 'name': 'D-to-G', 'cost': 10, 'capacity': 100, 'node': 'D', 'remote_node': 'G', 'circuit_id': 7, 'failed': False }, { 'name': 'B-to-A', 'cost': 20, 'capacity': 125, 'node': 'B', 'remote_node': 'A', 'circuit_id': 4, 'failed': False }, { 'name': 'D-to-B', 'cost': 20, 'capacity': 125, 'node': 'D', 'remote_node': 'B', 'circuit_id': 8, 'failed': False }, { 'name': 'B-to-G', 'cost': 10, 'capacity': 100, 'node': 'B', 'remote_node': 'G', 'circuit_id': 9, 'failed': False }, { 'name': 'A-to-C', 'cost': 30, 'capacity': 150, 'node': 'A', 'remote_node': 'C', 'circuit_id': 3, 'failed': False }, { 'name': 'B-to-D', 'cost': 20, 'capacity': 125, 'node': 'B', 'remote_node': 'D', 'circuit_id': 8, 'failed': False }, { 'name': 'G-to-B', 'cost': 10, 'capacity': 100, 'node': 'G', 'remote_node': 'B', 'circuit_id': 9, 'failed': False }, { 'name': 'A-to-B', 'cost': 20, 'capacity': 125, 'node': 'A', 'remote_node': 'B', 'circuit_id': 4, 'failed': False }] model.add_network_interfaces_from_list(int_list) model.add_rsvp_lsp('A', 'D', 'lsp_a_d_1') model.add_rsvp_lsp('A', 'D', 'lsp_a_d_2') demands = [ { 'source': 'A', 'dest': 'D', 'traffic': 100, 'name': 'dmd_a_d_3' }, { 'source': 'A', 'dest': 'D', 'traffic': 70, 'name': 'dmd_a_d_2' }, { 'source': 'A', 'dest': 'D', 'traffic': 80, 'name': 'dmd_a_d_1' }, { 'source': 'F', 'dest': 'E', 'traffic': 400, 'name': 'dmd_f_e_1' }, { 'source': 'A', 'dest': 'F', 'traffic': 40, 'name': 'dmd_a_f_1' }, ] for demand in demands: model.add_demand(demand['source'], demand['dest'], demand['traffic'], demand['name']) int_a_c = model.get_interface_object('A-to-C', 'A') model.update_simulation() print("int_a_c reserved and reservable bw = {} and {}".format( int_a_c.reserved_bandwidth, int_a_c.reservable_bandwidth)) self.assertEqual(int_a_c.reserved_bandwidth, 125.0) self.assertEqual(int_a_c.reservable_bandwidth, 25.0)
# find the best path from node A to B best_A_B = model1.get_shortest_path(source, dest) print("The best path from Node A to Node B is:", best_A_B) print() # display the traffic print("Interface traffic with no failures:") model1.update_simulation() model1.display_interfaces_traffic() print() print() # Find the remote interface for Node F, interface F-to-D print("Find the remote interface for Node F, interface F-to-D:") f_to_d = model1.get_interface_object("F-to-D", "F") remote_int = f_to_d.get_remote_interface(model1) print("Remote interface is", remote_int) print() # Fail interface on node A, interface A-to-B print("Failing interface A-to-B on node A") int_to_fail = model1.get_interface_object("A-to-B", "A") int_to_fail.fail_interface(model1) # Calculate new traffic on interfaces and display # the new traffic after the failure print("Here is the traffic after the failure:") model1.update_simulation() model1.display_interfaces_traffic() print()
def test_ecmp(self): model8 = PerformanceModel() model8.rsvp_lsp_objects = set([]) model8.demand_objects = set([]) int_list = [ { "name": "E-to-A", "cost": 10, "capacity": 300, "node": "E", "remote_node": "A", "circuit_id": 1, "failed": False, }, { "name": "C-to-D", "cost": 30, "capacity": 150, "node": "C", "remote_node": "D", "circuit_id": 5, "failed": False, }, { "name": "D-to-C", "cost": 30, "capacity": 150, "node": "D", "remote_node": "C", "circuit_id": 5, "failed": False, }, { "name": "A-to-E", "cost": 10, "capacity": 300, "node": "A", "remote_node": "E", "circuit_id": 1, "failed": False, }, { "name": "A-to-D", "cost": 40, "capacity": 20, "node": "A", "remote_node": "D", "circuit_id": 2, "failed": False, }, { "name": "D-to-A", "cost": 40, "capacity": 20, "node": "D", "remote_node": "A", "circuit_id": 2, "failed": False, }, { "name": "G-to-D", "cost": 10, "capacity": 100, "node": "G", "remote_node": "D", "circuit_id": 7, "failed": False, }, { "name": "C-to-A", "cost": 30, "capacity": 150, "node": "C", "remote_node": "A", "circuit_id": 3, "failed": False, }, { "name": "D-to-F", "cost": 10, "capacity": 300, "node": "D", "remote_node": "F", "circuit_id": 6, "failed": False, }, { "name": "F-to-D", "cost": 10, "capacity": 300, "node": "F", "remote_node": "D", "circuit_id": 6, "failed": False, }, { "name": "D-to-G", "cost": 10, "capacity": 100, "node": "D", "remote_node": "G", "circuit_id": 7, "failed": False, }, { "name": "B-to-A", "cost": 20, "capacity": 125, "node": "B", "remote_node": "A", "circuit_id": 4, "failed": False, }, { "name": "D-to-B", "cost": 20, "capacity": 125, "node": "D", "remote_node": "B", "circuit_id": 8, "failed": False, }, { "name": "B-to-G", "cost": 10, "capacity": 100, "node": "B", "remote_node": "G", "circuit_id": 9, "failed": False, }, { "name": "A-to-C", "cost": 30, "capacity": 150, "node": "A", "remote_node": "C", "circuit_id": 3, "failed": False, }, { "name": "B-to-D", "cost": 20, "capacity": 125, "node": "B", "remote_node": "D", "circuit_id": 8, "failed": False, }, { "name": "G-to-B", "cost": 10, "capacity": 100, "node": "G", "remote_node": "B", "circuit_id": 9, "failed": False, }, { "name": "A-to-B", "cost": 20, "capacity": 125, "node": "A", "remote_node": "B", "circuit_id": 4, "failed": False, }, ] model8.add_network_interfaces_from_list(int_list) demands = [ { "source": "A", "dest": "F", "traffic": 40, "name": "dmd_a_f_1" }, ] for demand in demands: model8.add_demand(demand["source"], demand["dest"], demand["traffic"], demand["name"]) int_a_b = model8.get_interface_object("A-to-B", "A") int_b_d = model8.get_interface_object("B-to-D", "B") int_b_g = model8.get_interface_object("B-to-G", "B") int_g_d = model8.get_interface_object("G-to-D", "G") int_d_f = model8.get_interface_object("D-to-F", "D") int_a_c = model8.get_interface_object("A-to-C", "A") int_c_d = model8.get_interface_object("C-to-D", "C") int_a_d = model8.get_interface_object("A-to-D", "A") model8.update_simulation() self.assertEqual(int_a_b.traffic, 20) self.assertEqual(int_b_d.traffic, 10) self.assertEqual(int_d_f.traffic, 40) self.assertEqual(int_b_g.traffic, 10) self.assertEqual(int_g_d.traffic, 10) self.assertEqual(int_a_c.traffic, 0) self.assertEqual(int_c_d.traffic, 0) self.assertEqual(int_a_d.traffic, 20)
def test_lsp_failover(self): model1 = PerformanceModel() model1.rsvp_lsp_objects = set() model1.demand_objects = set() int_list = [ { "name": "E-to-A", "cost": 10, "capacity": 300, "node": "E", "remote_node": "A", "circuit_id": 1, "failed": False, }, { "name": "C-to-D", "cost": 30, "capacity": 150, "node": "C", "remote_node": "D", "circuit_id": 5, "failed": False, }, { "name": "D-to-C", "cost": 30, "capacity": 150, "node": "D", "remote_node": "C", "circuit_id": 5, "failed": False, }, { "name": "A-to-E", "cost": 10, "capacity": 300, "node": "A", "remote_node": "E", "circuit_id": 1, "failed": False, }, { "name": "A-to-D", "cost": 40, "capacity": 20, "node": "A", "remote_node": "D", "circuit_id": 2, "failed": False, }, { "name": "D-to-A", "cost": 40, "capacity": 20, "node": "D", "remote_node": "A", "circuit_id": 2, "failed": False, }, { "name": "G-to-D", "cost": 10, "capacity": 100, "node": "G", "remote_node": "D", "circuit_id": 7, "failed": False, }, { "name": "C-to-A", "cost": 30, "capacity": 150, "node": "C", "remote_node": "A", "circuit_id": 3, "failed": False, }, { "name": "D-to-F", "cost": 10, "capacity": 300, "node": "D", "remote_node": "F", "circuit_id": 6, "failed": False, }, { "name": "F-to-D", "cost": 10, "capacity": 300, "node": "F", "remote_node": "D", "circuit_id": 6, "failed": False, }, { "name": "D-to-G", "cost": 10, "capacity": 100, "node": "D", "remote_node": "G", "circuit_id": 7, "failed": False, }, { "name": "B-to-A", "cost": 20, "capacity": 125, "node": "B", "remote_node": "A", "circuit_id": 4, "failed": False, }, { "name": "D-to-B", "cost": 20, "capacity": 125, "node": "D", "remote_node": "B", "circuit_id": 8, "failed": False, }, { "name": "B-to-G", "cost": 10, "capacity": 100, "node": "B", "remote_node": "G", "circuit_id": 9, "failed": False, }, { "name": "A-to-C", "cost": 30, "capacity": 150, "node": "A", "remote_node": "C", "circuit_id": 3, "failed": False, }, { "name": "B-to-D", "cost": 20, "capacity": 125, "node": "B", "remote_node": "D", "circuit_id": 8, "failed": False, }, { "name": "G-to-B", "cost": 10, "capacity": 100, "node": "G", "remote_node": "B", "circuit_id": 9, "failed": False, }, { "name": "A-to-B", "cost": 20, "capacity": 125, "node": "A", "remote_node": "B", "circuit_id": 4, "failed": False, }, ] model1.add_network_interfaces_from_list(int_list) model1.add_rsvp_lsp("A", "D", "lsp_a_d_1") model1.add_rsvp_lsp("A", "D", "lsp_a_d_2") model1.fail_interface("A-to-B", "A") int_a_b = model1.get_interface_object("A-to-B", "A") int_a_c = model1.get_interface_object("A-to-C", "A") demands = [ { "source": "A", "dest": "D", "traffic": 70, "name": "dmd_a_d_2" }, { "source": "A", "dest": "D", "traffic": 80, "name": "dmd_a_d_1" }, { "source": "F", "dest": "E", "traffic": 400, "name": "dmd_f_e_1" }, { "source": "A", "dest": "F", "traffic": 40, "name": "dmd_a_f_1" }, ] for demand in demands: model1.add_demand(demand["source"], demand["dest"], demand["traffic"], demand["name"]) model1.update_simulation() self.assertTrue(int_a_b.failed) # int_a_b should not have any LSPs lsps_on_int_a_b = [lsp for lsp in int_a_b.lsps(model1)] self.assertTrue(len(lsps_on_int_a_b) == 0) # int_a_c should have lsp_a_d_1 and lsp_a_d_2 lsp_names_on_int_a_c = [lsp.lsp_name for lsp in int_a_c.lsps(model1)] self.assertIn("lsp_a_d_1", lsp_names_on_int_a_c) self.assertIn("lsp_a_d_2", lsp_names_on_int_a_c) # reservable_bandwidth on int_a_c self.assertEqual(int_a_c.reserved_bandwidth, 150.0) self.assertEqual(int_a_c.reservable_bandwidth, 0.0)
def test_int_bw(self): model = PerformanceModel() model.rsvp_lsp_objects = set([]) model.demand_objects = set([]) int_list = [ { "name": "E-to-A", "cost": 10, "capacity": 300, "node": "E", "remote_node": "A", "circuit_id": 1, "failed": False, }, { "name": "C-to-D", "cost": 30, "capacity": 150, "node": "C", "remote_node": "D", "circuit_id": 5, "failed": False, }, { "name": "D-to-C", "cost": 30, "capacity": 150, "node": "D", "remote_node": "C", "circuit_id": 5, "failed": False, }, { "name": "A-to-E", "cost": 10, "capacity": 300, "node": "A", "remote_node": "E", "circuit_id": 1, "failed": False, }, { "name": "A-to-D", "cost": 40, "capacity": 20, "node": "A", "remote_node": "D", "circuit_id": 2, "failed": False, }, { "name": "D-to-A", "cost": 40, "capacity": 20, "node": "D", "remote_node": "A", "circuit_id": 2, "failed": False, }, { "name": "G-to-D", "cost": 10, "capacity": 100, "node": "G", "remote_node": "D", "circuit_id": 7, "failed": False, }, { "name": "C-to-A", "cost": 30, "capacity": 150, "node": "C", "remote_node": "A", "circuit_id": 3, "failed": False, }, { "name": "D-to-F", "cost": 10, "capacity": 300, "node": "D", "remote_node": "F", "circuit_id": 6, "failed": False, }, { "name": "F-to-D", "cost": 10, "capacity": 300, "node": "F", "remote_node": "D", "circuit_id": 6, "failed": False, }, { "name": "D-to-G", "cost": 10, "capacity": 100, "node": "D", "remote_node": "G", "circuit_id": 7, "failed": False, }, { "name": "B-to-A", "cost": 20, "capacity": 125, "node": "B", "remote_node": "A", "circuit_id": 4, "failed": False, }, { "name": "D-to-B", "cost": 20, "capacity": 125, "node": "D", "remote_node": "B", "circuit_id": 8, "failed": False, }, { "name": "B-to-G", "cost": 10, "capacity": 100, "node": "B", "remote_node": "G", "circuit_id": 9, "failed": False, }, { "name": "A-to-C", "cost": 30, "capacity": 150, "node": "A", "remote_node": "C", "circuit_id": 3, "failed": False, }, { "name": "B-to-D", "cost": 20, "capacity": 125, "node": "B", "remote_node": "D", "circuit_id": 8, "failed": False, }, { "name": "G-to-B", "cost": 10, "capacity": 100, "node": "G", "remote_node": "B", "circuit_id": 9, "failed": False, }, { "name": "A-to-B", "cost": 20, "capacity": 125, "node": "A", "remote_node": "B", "circuit_id": 4, "failed": False, }, ] model.add_network_interfaces_from_list(int_list) model.add_rsvp_lsp("A", "D", "lsp_a_d_1") model.add_rsvp_lsp("A", "D", "lsp_a_d_2") demands = [ {"source": "A", "dest": "D", "traffic": 100, "name": "dmd_a_d_3"}, {"source": "A", "dest": "D", "traffic": 70, "name": "dmd_a_d_2"}, {"source": "A", "dest": "D", "traffic": 80, "name": "dmd_a_d_1"}, {"source": "F", "dest": "E", "traffic": 400, "name": "dmd_f_e_1"}, {"source": "A", "dest": "F", "traffic": 40, "name": "dmd_a_f_1"}, ] for demand in demands: model.add_demand( demand["source"], demand["dest"], demand["traffic"], demand["name"] ) int_a_c = model.get_interface_object("A-to-C", "A") model.update_simulation() print( "int_a_c reserved and reservable bw = {} and {}".format( int_a_c.reserved_bandwidth, int_a_c.reservable_bandwidth ) ) self.assertEqual(int_a_c.reserved_bandwidth, 125.0) self.assertEqual(int_a_c.reservable_bandwidth, 25.0)