diff --git a/experiments/netconf/proto2yang/ietf-logical_device.yang b/experiments/netconf/proto2yang/ietf-logical_device.yang
new file mode 100644
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+++ b/experiments/netconf/proto2yang/ietf-logical_device.yang
@@ -0,0 +1,144 @@
+
+module ietf-logical_device {
+
+
+    namespace "urn:opencord:params:xml:ns:voltha:ietf-logical_device";
+    prefix logical_device;
+
+    import ietf-openflow_13 { prefix openflow_13 ; }
+
+    organization "CORD";
+    contact
+        " Any name";
+
+    description
+        "";
+
+    revision "2016-11-15" {
+        description "Initial revision.";
+        reference "reference";
+    }
+
+
+    grouping LogicalPort {
+        description
+            "";
+        leaf id {
+            type  string; 
+            description
+                "";
+        }
+
+        container ofp_port {
+            uses  openflow_13:ofp_port;
+
+            description
+                "";
+        }
+
+        leaf device_id {
+            type  string; 
+            description
+                "";
+        }
+
+        leaf device_port_no {
+            type  uint32; 
+            description
+                "";
+        }
+
+        leaf root_port {
+            type  boolean; 
+            description
+                "";
+        }
+
+    }
+
+    grouping LogicalPorts {
+        description
+            "";
+        list items {
+            key "id";
+            uses  LogicalPort;
+
+            description
+                "";
+        }
+
+    }
+
+    grouping LogicalDevice {
+        description
+            "";
+        leaf id {
+            type  string; 
+            description
+                "unique id of logical device";
+        }
+
+        leaf datapath_id {
+            type  uint64; 
+            description
+                "unique datapath id for the logical device (used by the SDN controller)";
+        }
+
+        container desc {
+            uses  openflow_13:ofp_desc;
+
+            description
+                "device description";
+        }
+
+        container switch_features {
+            uses  openflow_13:ofp_switch_features;
+
+            description
+                "device features";
+        }
+
+        leaf root_device_id {
+            type  string; 
+            description
+                "name of the root device anchoring logical device";
+        }
+
+        list ports {
+            key "id";
+            uses  LogicalPort;
+
+            description
+                "logical device ports";
+        }
+
+        container flows {
+            uses  openflow_13:Flows;
+
+            description
+                "flows configured on the logical device";
+        }
+
+        container flow_groups {
+            uses  openflow_13:FlowGroups;
+
+            description
+                "flow groups configured on the logical device";
+        }
+
+    }
+
+    grouping LogicalDevices {
+        description
+            "";
+        list items {
+            key "id";
+            uses  LogicalDevice;
+
+            description
+                "";
+        }
+
+    }
+
+}
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