diff --git a/TestON/tests/USECASE/SegmentRouting/SROnosFailure/SROnosFailure.py b/TestON/tests/USECASE/SegmentRouting/SROnosFailure/SROnosFailure.py
new file mode 100755
index 0000000..53daa33
--- /dev/null
+++ b/TestON/tests/USECASE/SegmentRouting/SROnosFailure/SROnosFailure.py
@@ -0,0 +1,106 @@
+# CASE1: 2x2 topo + 3-node ONOS CLUSTER + IP connectivity test + Control plane resilience
+# CASE2: 4x4 topo + 3-node ONOS CLUSTER + IP connectivity test + Control plane resilience
+# CASE3: Single switch + 3-node ONOS CLUSTER + IP connectivity test + Control plane resilience
+
+class SROnosFailure:
+    def __init__( self ):
+        self.default = ''
+
+    def CASE1( self, main ):
+        """
+        Sets up 3-node Onos-cluster
+        Start 2x2 Leaf-Spine topology
+        Pingall
+        Induce ONOS Failure
+        Pingall
+        """
+        description = "ONOS Failure test with 2x2 Leaf-spine "
+        main.case( description )
+        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
+            Testcaselib as run
+        if not hasattr( main, 'apps' ):
+            run.initTest( main )
+        main.cfgName = '2x2'
+        main.numCtrls = 3
+        run.installOnos( main )
+        run.startMininet( main, 'cord_fabric.py' )
+        # pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=116 )
+        run.pingAll( main, "CASE1" )
+        run.killOnos( main, [ 0 ], '4', '8', '2' )
+        run.pingAll( main, 'CASE1_Failure' )
+        run.recoverOnos( main, [ 0 ], '4', '8', '3' )
+        run.checkFlows( main, minFlowCount=116 )
+        run.pingAll( main, 'CASE1_Failure' )
+        # 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
+        run.cleanup( main )
+
+    def CASE2( self, main ):
+        """
+        Sets up 3-node Onos-cluster
+        Start 4x4 Leaf-Spine topology
+        Pingall
+        Induce ONOS Failure
+        Pingall
+        """
+        description = "ONOS Failure test with 4x4 Leaf-spine "
+        main.case( description )
+        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
+            Testcaselib as run
+        if not hasattr( main, 'apps' ):
+            run.initTest( main )
+        main.cfgName = '4x4'
+        main.numCtrls = 3
+        run.installOnos( main )
+        run.startMininet( main, 'cord_fabric.py', args="--leaf=4 --spine=4" )
+        # pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=350 )
+        run.pingAll( main, 'CASE2' )
+        run.killOnos( main, [ 0 ], '8', '32', '2' )
+        run.pingAll( main, 'CASE2_Failure' )
+        run.recoverOnos( main, [ 0 ], '8', '32', '3' )
+        run.checkFlows( main, minFlowCount=350 )
+        run.pingAll( main, 'CASE3_Recovery' )
+        # 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
+        run.cleanup( main )
+
+    def CASE3( self, main ):
+        """
+        Sets up 3-node Onos-cluster
+        Start single switch topology
+        Pingall
+        Induce ONOS Failure
+        Pingall
+        """
+        description = "ONOS Failure test with single switch "
+        main.case( description )
+        from tests.USECASE.SegmentRouting.dependencies.Testcaselib import \
+            Testcaselib as run
+        if not hasattr( main, 'apps' ):
+            run.initTest( main )
+        main.cfgName = '0x1'
+        main.numCtrls = 3
+        run.installOnos( main )
+        run.startMininet( main, 'cord_fabric.py', args="--leaf=1 --spine=0" )
+        # pre-configured routing and bridging test
+        run.checkFlows( main, minFlowCount=15 )
+        run.pingAll( main, 'CASE3' )
+        run.killOnos( main, [ 0 ], '1', '0', '2' )
+        run.pingAll( main, 'CASE3_Failure' )
+        run.recoverOnos( main, [ 0 ], '1', '0', '3' )
+        run.checkFlows( main, minFlowCount=15 )
+        run.pingAll( main, 'CASE3_Failure' )
+        # 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
+        run.cleanup( main )