X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=src%2Femuvim%2Fexamples%2Fmonitoring_demo_topology.py;h=1e22b6115fce8be72e0e4abd7d1313efba8300f9;hb=a664eb611376fd77083f101c849b1dde7fc8bea8;hp=9737609f5a48b26d7383ff7649bbc87c30998fa4;hpb=461941c38b3981b78fa9238bc5b4282b08c7bac3;p=osm%2Fvim-emu.git diff --git a/src/emuvim/examples/monitoring_demo_topology.py b/src/emuvim/examples/monitoring_demo_topology.py index 9737609..1e22b61 100755 --- a/src/emuvim/examples/monitoring_demo_topology.py +++ b/src/emuvim/examples/monitoring_demo_topology.py @@ -1,20 +1,29 @@ """ -This is an example topology for the distributed cloud emulator (dcemulator). -(c) 2015 by Manuel Peuster - - -This is an example that shows how a user of the emulation tool can -define network topologies with multiple emulated cloud data centers. - -The definition is done with a Python API which looks very similar to the -Mininet API (in fact it is a wrapper for it). - -We only specify the topology *between* data centers not within a single -data center (data center internal setups or placements are not of interest, -we want to experiment with VNF chains deployed across multiple PoPs). - -The original Mininet API has to be completely hidden and not be used by this -script. +Copyright (c) 2015 SONATA-NFV +ALL RIGHTS RESERVED. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION] +nor the names of its contributors may be used to endorse or promote +products derived from this software without specific prior written +permission. + +This work has been performed in the framework of the SONATA project, +funded by the European Commission under Grant number 671517 through +the Horizon 2020 and 5G-PPP programmes. The authors would like to +acknowledge the contributions of their colleagues of the SONATA +partner consortium (www.sonata-nfv.eu). """ import logging from mininet.log import setLogLevel @@ -29,14 +38,19 @@ def create_topology1(): """ 1. Create a data center network object (DCNetwork) with monitoring enabled """ - net = DCNetwork(monitor=True) + net = DCNetwork(monitor=True, enable_learning=False) """ - 1b. add a monitoring agent to the DCNetwork + 1b. Add endpoint APIs for the whole DCNetwork, + to access and control the networking from outside. + e.g., to setup forwarding paths between compute + instances aka. VNFs (represented by Docker containers), passing through + different switches and datacenters of the emulated topology """ mon_api = ZeroRpcApiEndpointDCNetwork("0.0.0.0", 5151) mon_api.connectDCNetwork(net) mon_api.start() + """ 2. Add (logical) data centers to the topology (each data center is one "bigswitch" in our simplified @@ -53,15 +67,17 @@ def create_topology1(): 3. You can add additional SDN switches for data center interconnections to the network. """ - #s1 = net.addSwitch("s1") + s1 = net.addSwitch("s1") """ 4. Add links between your data centers and additional switches to define you topology. These links can use Mininet's features to limit bw, add delay or jitter. """ - net.addLink(dc1, dc2, delay="10ms") + #net.addLink(dc1, dc2, delay="10ms") #net.addLink(dc1, dc2) + net.addLink(dc1, s1) + net.addLink(s1, dc2) #net.addLink("datacenter1", s1, delay="20ms") #net.addLink(s1, dc3) #net.addLink(s1, "datacenter4")