diff --git a/model/pom.xml b/model/pom.xml
index 02789b3..0de560e 100644
--- a/model/pom.xml
+++ b/model/pom.xml
@@ -22,11 +22,10 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-yang-utils</artifactId>
-        <version>1.10-SNAPSHOT</version>
+        <version>1.12-SNAPSHOT</version>
     </parent>
 
     <artifactId>onos-yang-model</artifactId>
-    <version>1.10-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <dependencies>
diff --git a/model/src/main/java/org/onosproject/yang/model/ModelConverter.java b/model/src/main/java/org/onosproject/yang/model/ModelConverter.java
new file mode 100644
index 0000000..cdae6c6
--- /dev/null
+++ b/model/src/main/java/org/onosproject/yang/model/ModelConverter.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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.
+ */
+
+package org.onosproject.yang.model;
+
+/**
+ * Abstraction of an entity that provides mechanism for converting between
+ * DataNode and ModelObject instances.
+ */
+public interface ModelConverter {
+
+    /**
+     * Produces a POJO of the specified type, initialized and backed by
+     * the specified data node.
+     *
+     * @param node data node
+     * @param <T>  type of model object
+     * @return POJO of specified data node
+     */
+    <T extends ModelObject> T createModel(DataNode node);
+
+    /**
+     * Produces an immutable tree structure rooted at the returned DataNode
+     * using the supplied model POJO object.
+     *
+     * @param obj model object
+     * @return data node corresponds to model object
+     */
+    DataNode createDataNode(ModelObject obj);
+}
diff --git a/model/src/main/java/org/onosproject/yang/model/ModelObject.java b/model/src/main/java/org/onosproject/yang/model/ModelObject.java
new file mode 100644
index 0000000..d6688f1
--- /dev/null
+++ b/model/src/main/java/org/onosproject/yang/model/ModelObject.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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.
+ */
+
+package org.onosproject.yang.model;
+
+import com.google.common.collect.ImmutableMap;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+
+/**
+ * Abstraction of an entity that provides common basis for all POJOs which are
+ * generated from a YANG model.
+ */
+public abstract class ModelObject {
+
+    private ConcurrentMap<Class<? extends ModelObject>, ModelObject> augments =
+            new ConcurrentHashMap<>();
+
+    /**
+     * Adds the specified augmentation to this model object.
+     *
+     * @param obj model object of augmentation
+     */
+    public void addAugmentation(ModelObject obj) {
+        augments.put(obj.getClass(), obj);
+    }
+
+    /**
+     * Removes the specified augmentation to this model object.
+     *
+     * @param obj model object of augmentation
+     */
+    public void removeAugmentation(ModelObject obj) {
+        augments.remove(obj.getClass());
+    }
+
+    /**
+     * Returns the map of augmentations available to this model object.
+     *
+     * @return map of augmentations
+     */
+    public Map<Class<? extends ModelObject>, ModelObject> augmentations() {
+        return ImmutableMap.copyOf(augments);
+    }
+
+    /**
+     * Returns the augmentation for to a given augmentation class.
+     *
+     * @param c   augmentation class
+     * @param <T> augmentation class type
+     * @return augmentation object if available, null otherwise
+     */
+    public <T extends ModelObject> T augmentation(Class<T> c) {
+        return (T) augments.get(c);
+    }
+
+    // TODO analyze if some more common information of generated code like
+    // augment which needs to be moved to base ModelObject.
+}