diff --git a/TestON/tests/USECASE/SegmentRouting/SROnosFailure/dependencies/SROnosFailureFuncs.py b/TestON/tests/USECASE/SegmentRouting/SROnosFailure/dependencies/SROnosFailureFuncs.py
new file mode 100644
index 0000000..f130ff2
--- /dev/null
+++ b/TestON/tests/USECASE/SegmentRouting/SROnosFailure/dependencies/SROnosFailureFuncs.py
@@ -0,0 +1,68 @@
+"""
+Copyright 2017 Open Networking Foundation ( ONF )
+
+Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
+the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
+or the System Testing Guide page at <https://wiki.onosproject.org/x/WYQg>
+
+    TestON is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    ( at your option ) any later version.
+
+    TestON is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with TestON.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
+from tests.USECASE.SegmentRouting.dependencies.Testcaselib import Testcaselib as run
+
+class SROnosFailureFuncs():
+
+    def __init__( self ):
+        self.default = ''
+        self.topo = dict()
+        self.topo[ '0x1' ] = ( 0, 1, '--leaf=1 --spine=0', 'single switch' )
+        self.topo[ '2x2' ] = ( 2, 2, '', '2x2 Leaf-spine' )
+        self.topo[ '4x4' ] = ( 4, 4, '--leaf=4 --spine=4', '4x4 Leaf-spine' )
+
+    def runTest( self, main, caseNum, numNodes, Topo, minFlow, killList=[ 0 ] ):
+        description = "ONOS Failure test with " + self.topo[ Topo ][ 3 ]
+        main.case( description )
+        if not hasattr( main, 'apps' ):
+            run.initTest( main )
+        main.cfgName = Topo
+        main.Cluster.setRunningNode( numNodes )
+        run.installOnos( main )
+        run.loadJson( main )
+        run.loadChart( main )
+        if hasattr( main, 'Mininet1' ):
+            run.startMininet( main, 'cord_fabric.py', args=self.topo[ Topo ][ 2 ] )
+        else:
+            # Run the test with physical devices
+            # TODO: connect TestON to the physical network
+            pass
+        # pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=minFlow )
+        run.pingAll( main, 'CASE{}'.format( caseNum ) )
+        switch = '{}'.format( self.topo[ Topo ][ 0 ] + self.topo[ Topo ][ 1 ] )
+        link = '{}'.format( ( self.topo[ Topo ][ 0 ] + self.topo[ Topo ][ 1 ] ) * self.topo[ Topo ][ 0 ] )
+        run.killOnos( main, killList, switch, link, '{}'.format( numNodes - 1 ) )
+        run.pingAll( main, 'CASE{}_Failure'.format( caseNum ) )
+        run.recoverOnos( main, killList, switch, link, '{}'.format( numNodes ) )
+        run.checkFlows( main, minFlowCount=minFlow, tag='CASE{}_Recovery'.format( caseNum ) )
+        run.pingAll( main, 'CASE{}_Recovery'.format( caseNum ) )
+        # TODO Dynamic config of hosts in subnet
+        # TODO Dynamic config of host not in subnet
+        # TODO Dynamic config of vlan xconnect
+        # TODO Vrouter integration
+        # TODO Mcast integration
+        if hasattr( main, 'Mininet1' ):
+            run.cleanup( main )
+        else:
+            # TODO: disconnect TestON from the physical network
+            pass