This package includes modifications to OVN controller that enable Service Injection in BEACON OpenStack-based realisation.
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License.txt
README
create-patch.sh
detect_elephant.py
detect_elephant_2.py
elephant.py
elephant2.py
elephant2_angelos.py
run.sh
sa.conf
sa.conf.sample
sflowtool.patch

README

###########################################################################
#   Copyright 2016 IBM Corp.
#   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.
############################################################################

Description:
------------
This package detects special flows, elephant or any other, by duration and bandwidth criteria and mark
their packets with special DSCP mark.

Installation
------------

$ install.sh

Running
-------

Edit sa.conf

Run sflowtool to see that all switches sends sflow samples to the collector:

$ sflowtool -l

Run sflowtool with the elephant detection script:

$ sflowtool -l | python elephant.py

$ sflowtool -g | python elephant2.py