def test_unroutable_demand(self):
node_a = Node(name='nodeA', lat=0, lon=0)
node_b = Node(name='nodeB', lat=0, lon=0)
node_d = Node(name='nodeD')
interface_a = Interface(name='inerfaceA-to-B',
cost=4,
capacity=100,
node_object=node_a,
remote_node_object=node_b,
circuit_id=1)
interface_b = Interface(name='inerfaceB-to-A',
cost=4,
capacity=100,
node_object=node_b,
remote_node_object=node_a,
circuit_id=1)
dmd_a_d = Demand(node_a, node_d, traffic=10)
model = PerformanceModel(interface_objects=set(
[interface_a, interface_b]),
node_objects=set([node_a, node_b, node_d]),
demand_objects=set([dmd_a_d]),
rsvp_lsp_objects=set([]))
model.update_simulation()
self.assertEqual(dmd_a_d.path, 'Unrouted')
def test_demand_on_lsp(self):
"""
Ensure the demand takes an available LSP
:return:
"""
node_a = Node(name="nodeA", lat=0, lon=0)
node_b = Node(name="nodeB", lat=0, lon=0)
node_d = Node(name="nodeD")
interface_a = Interface(
name="inerfaceA-to-B",
cost=4,
capacity=100,
node_object=node_a,
remote_node_object=node_b,
circuit_id=1,
)
interface_b = Interface(
name="inerfaceB-to-A",
cost=4,
capacity=100,
node_object=node_b,
remote_node_object=node_a,
circuit_id=1,
)
dmd_a_b = Demand(node_a, node_b, traffic=10)
lsp_a_b = RSVP_LSP(source_node_object=node_a,
dest_node_object=node_b,
lsp_name="lsp_a_b")
model = PerformanceModel(
interface_objects=set([interface_a, interface_b]),
node_objects=set([node_a, node_b, node_d]),
demand_objects=set([dmd_a_b]),
rsvp_lsp_objects=set([lsp_a_b]),
)
model.update_simulation()
self.assertEqual(
str(dmd_a_b.path),
"[[RSVP_LSP(source = nodeA, dest = nodeB, lsp_name = 'lsp_a_b')]]",
)
print()
# create demand objects from list of demands
# demand_objects = Demand.create_demand_objects(demands)
for demand in demands:
model1.add_demand(demand['source'], demand['dest'],
demand['traffic'])
# 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)
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)
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_validate_lsp_routing(self):
"""
Test that all 4 LSPs between A and D route
"""
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.add_rsvp_lsp("A", "D", "lsp_a_d_3")
model1.add_rsvp_lsp("A", "D", "lsp_a_d_4")
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:
model1.add_demand(demand["source"], demand["dest"],
demand["traffic"], demand["name"])
model1.update_simulation()
# All the paths for each LSP from Node('A') to Node('D')
paths = [
lsp.path for lsp in model1.rsvp_lsp_objects
if lsp.source_node_object.name == "A"
and lsp.dest_node_object.name == "D"
]
# Ensure all LSPs route
self.assertNotIn("Unrouted", paths)
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)
