def _testNetworkForBacktrack():
nffg = NFFG(id="backtracktest", name="backtrack")
sap1 = nffg.add_sap(name="SAP1", id="sap1")
sap2 = nffg.add_sap(name="SAP2", id="sap2")
uniformnoderes = {
'cpu': 5,
'mem': 5,
'storage': 5,
'delay': 0.4,
'bandwidth': 5500
}
infra0 = nffg.add_infra(id="node0", name="INFRA0", **uniformnoderes)
uniformnoderes2 = {
'cpu': 9,
'mem': 9,
'storage': 9,
'delay': 0.4,
'bandwidth': 5500
}
infra1 = nffg.add_infra(id="node1", name="INFRA1", **uniformnoderes2)
swres = {
'cpu': 0,
'mem': 0,
'storage': 0,
'delay': 0.0,
'bandwidth': 10000
}
sw = nffg.add_infra(id="sw", name="sw1", **swres)
infra0.add_supported_type(['A'])
infra1.add_supported_type(['A'])
unilinkres = {'delay': 0.0, 'bandwidth': 2000}
nffg.add_undirected_link(sap1.add_port(0), infra0.add_port(0),
**unilinkres)
nffg.add_undirected_link(sap2.add_port(0), infra1.add_port(0),
**unilinkres)
rightlink = {'delay': 10.0, 'bandwidth': 2000}
leftlink = {'delay': 0.01, 'bandwidth': 5000}
nffg.add_link(infra0.add_port(1), sw.add_port(0), id="n0sw", **rightlink)
nffg.add_link(sw.add_port(1), infra1.add_port(1), id="swn1", **rightlink)
nffg.add_link(sw.ports[0], infra0.ports[1], id="swn0", **leftlink)
nffg.add_link(infra1.ports[1], sw.ports[1], id="n1sw", **leftlink)
return nffg
def get_topo_desc ():
# Create NFFG
nffg = NFFG(id="DYNAMIC-FALLBACK-TOPO", name="fallback-dynamic")
# Add NETCONF capable containers a.k.a. Execution Environments
nc1 = nffg.add_infra(id="nc1", name="NC1", domain="INTERNAL",
infra_type=NFFG.TYPE_INFRA_EE, cpu=5, mem=5, storage=5,
delay=0.9, bandwidth=5000)
nc2 = nffg.add_infra(id="nc2", name="NC2", domain="INTERNAL",
infra_type=NFFG.TYPE_INFRA_EE, cpu=5, mem=5, storage=5,
delay=0.9, bandwidth=5000)
nc1.add_supported_type(['A', 'B'])
nc2.add_supported_type(['A', 'C'])
# Add inter-EE switches
sw3 = nffg.add_infra(id="sw3", name="SW3", domain="INTERNAL",
infra_type=NFFG.TYPE_INFRA_SDN_SW, delay=0.2,
bandwidth=10000)
sw4 = nffg.add_infra(id="sw4", name="SW4", domain="INTERNAL",
infra_type=NFFG.TYPE_INFRA_SDN_SW, delay=0.2,
bandwidth=10000)
# Add SAPs
sap1 = nffg.add_sap(id="sap1", name="SAP1")
sap2 = nffg.add_sap(id="sap2", name="SAP2")
# Add links
linkres = {'delay': 1.5, 'bandwidth': 2000}
nffg.add_link(nc1.add_port(1), sw3.add_port(1), id="l1", **linkres)
nffg.add_link(nc2.add_port(1), sw4.add_port(1), id="l2", **linkres)
nffg.add_link(sw3.add_port(2), sw4.add_port(2), id="l3", **linkres)
nffg.add_link(sw3.add_port(3), sap1.add_port(1), id="l4", **linkres)
nffg.add_link(sw4.add_port(3), sap2.add_port(1), id="l5", **linkres)
# Duplicate one-way static links to become undirected in order to fit to
# the orchestration algorithm
# No need for that, ESCAPENetworkBridge do this later
# nffg.duplicate_static_links()
return nffg
def get_topo_desc ():
# Create NFFG
nffg = NFFG(id="STATIC-FALLBACK-TOPO", name="fallback-static")
# Add switches
sw1 = nffg.add_infra(id="sw1", name="SW1", domain="INTERNAL",
infra_type=NFFG.TYPE_INFRA_SDN_SW)
sw2 = nffg.add_infra(id="sw2", name="SW2", domain="INTERNAL",
infra_type=NFFG.TYPE_INFRA_SDN_SW)
sw3 = nffg.add_infra(id="sw3", name="SW3", domain="INTERNAL",
infra_type=NFFG.TYPE_INFRA_SDN_SW)
sw4 = nffg.add_infra(id="sw4", name="SW4", domain="INTERNAL",
infra_type=NFFG.TYPE_INFRA_SDN_SW)
# Add SAPs
sap1 = nffg.add_sap(id="sap1", name="SAP1")
sap2 = nffg.add_sap(id="sap2", name="SAP2")
# Add links
nffg.add_link(sw1.add_port(1), sw3.add_port(1), id="l1")
nffg.add_link(sw2.add_port(1), sw4.add_port(1), id="l2")
nffg.add_link(sw3.add_port(2), sw4.add_port(2), id="l3")
nffg.add_link(sw3.add_port(3), sap1.add_port(1), id="l4")
nffg.add_link(sw4.add_port(3), sap2.add_port(1), id="l5")
# Duplicate one-way static links to become undirected in order to fit to
# the orchestration algorithm
# nffg.duplicate_static_links()
return nffg