from nessi.devices import NIC
from nessi.dlc import FullDuplexPhy, PointToPointDL
from nessi.media import PtPLink
from nessi.media import ErrorPtPLink
from nessi.checksums import *
try:
import psyco
psyco.full()
except ImportError:
pass
# ---------------------------------------------------------------------------
# Create the network
goodlink = PtPLink()
badlink = ErrorPtPLink()
hosts = []
# Create two nodes
for i in range(2):
h = Host()
h.hostname = "host" + str(i)
# On each node, create two interfaces, eth0 and eth1
for j in range(2):
niu = NIC()
h.addDevice(niu, "eth" + str(j))
niu.addProtocol(FullDuplexPhy(), "phy")
niu.addProtocol(PointToPointDL(), "dl")
# eth0 is attached to the errored link, eth1 to the error-free link
h.eth0.attachToMedium(badlink, 100.0 * i)
h.eth1.attachToMedium(goodlink, 10.0 * i) # The good link is shorter
from nessi.devices import NIC
from nessi.dlc import FullDuplexPhy, PointToPointDL
from nessi.media import PtPLink
from nessi.media import ErrorPtPLink
from nessi.checksums import *
try:
import psyco
psyco.full()
except ImportError:
pass
# ---------------------------------------------------------------------------
# Create the network
goodlink = PtPLink()
badlink = ErrorPtPLink()
hosts=[]
# Create two nodes
for i in range(2):
h = Host()
h.hostname = "host"+str(i)
# On each node, create two interfaces, eth0 and eth1
for j in range(2):
niu = NIC()
h.addDevice(niu,"eth"+str(j))
niu.addProtocol(FullDuplexPhy(), "phy")
niu.addProtocol(PointToPointDL(), "dl")
# eth0 is attached to the errored link, eth1 to the error-free link
h.eth0.attachToMedium(badlink, 100.0*i)
h.eth1.attachToMedium(goodlink, 10.0*i) # The good link is shorter
from nessi.simulator import *
from nessi.nodes import Host
from nessi.media import ErrorPtPLink
from nessi.devices import NIC
from nessi.dlc import FullDuplexPhy
from nessi.arq import StopAndGoDL, GoBackNDL, SelectiveRepeatDL
from nessi.trafficgen import DLFlooder, TrafficSink
try:
import psyco
psyco.full()
except ImportError:
pass
# ---------------------------------------------------------------------------
# Create the network
link = ErrorPtPLink()
hosts = []
# Create two nodes
for i in range(2):
h = Host()
h.hostname = "host" + str(i + 1)
niu = NIC()
h.addDevice(niu, "eth0")
niu.addProtocol(FullDuplexPhy(), "phy")
niu.addProtocol(StopAndGoDL(), "dl") # CHANGE HERE FOR A DIFFERENT ARQ
h.eth0.attachToMedium(link, 1000000.0 * i) # Length: 1000 km
hosts.append(h)
# For convenience, use short variable names for the hosts
h1, h2 = hosts
