diff --git a/apps/optical/src/main/resources/demo-3-roadm-2-ps.json b/apps/optical/src/main/resources/demo-3-roadm-2-ps.json
new file mode 100644
index 0000000..6f2c2f5
--- /dev/null
+++ b/apps/optical/src/main/resources/demo-3-roadm-2-ps.json
@@ -0,0 +1,101 @@
+{
+        "opticalSwitches": [
+        {
+            "allowed": true,
+            "latitude": 37.6,
+            "longitude": 122.3,
+            "name": "ROADM1",
+            "nodeDpid": "00:00:ff:ff:ff:ff:ff:01",
+            "params": {
+                "numRegen": 0
+            },
+            "type": "Roadm"
+        },
+
+	{
+            "allowed": true,
+            "latitude": 37.3,
+            "longitude": 121.9,
+            "name": "ROADM2",
+            "nodeDpid": "00:00:ff:ff:ff:ff:ff:02",
+            "params": {
+                "numRegen": 0
+            },
+            "type": "Roadm"
+         },
+
+ 	{
+            "allowed": true,
+            "latitude": 33.9,
+            "longitude": 118.4,
+            "name": "ROADM3",
+            "nodeDpid": "00:00:ff:ff:ff:ff:ff:03",
+            "params": {
+                "numRegen": 2
+            },
+            "type": "Roadm"
+         }
+    ],
+
+        "opticalLinks": [
+        {
+            "allowed": true,
+            "nodeDpid1": "00:00:ff:ff:ff:ff:ff:01",
+            "nodeDpid2": "00:00:ff:ff:ff:ff:ff:03",
+            "params": {
+                "distKms": 1000,
+                "nodeName1": "ROADM1",
+                "nodeName2": "ROADM3",
+                "numWaves": 80,
+                "port1": 10,
+                "port2": 30
+            },
+            "type": "wdmLink"
+         },
+       
+       {
+	"allowed": true,
+            "nodeDpid1": "00:00:ff:ff:ff:ff:ff:03",
+            "nodeDpid2": "00:00:ff:ff:ff:ff:ff:02",
+            "params": {
+                "distKms": 2000,
+                "nodeName1": "ROADM3",
+                "nodeName2": "ROADM2",
+                "numWaves": 80,
+                "port1": 31,
+                "port2": 20
+            },
+            "type": "wdmLink"
+       },
+
+   
+      {
+            "allowed": true,
+            "nodeDpid1": "00:00:ff:ff:ff:ff:00:01",
+            "nodeDpid2": "00:00:ff:ff:ff:ff:ff:01",
+            "params": {
+                "nodeName1": "ROUTER1",
+                "nodeName2": "ROADM1",
+                "bandWidth": 100000,
+                "port1": 10,
+                "port2": 11
+            },
+            "type": "pktOptLink"
+        },
+
+       {
+            "allowed": true,
+            "nodeDpid1": "00:00:ff:ff:ff:ff:00:02",
+            "nodeDpid2": "00:00:ff:ff:ff:ff:ff:02",
+            "params": {
+                "nodeName1": "ROUTER2",
+                "nodeName2": "ROADM2",
+                "bandWidth": 100000,
+                "port1": 10,
+                "port2": 21
+            },
+            "type": "pktOptLink"
+        } 
+
+    ]
+}