diff --git a/example-data/complex-vnfd.xml b/example-data/complex-vnfd.xml
index b10ec9f35eae5c54180a1a66505a10e1408db47b..39bbbaf03bed0b92b9fa98710adcc78be70afd2c 100644
--- a/example-data/complex-vnfd.xml
+++ b/example-data/complex-vnfd.xml
@@ -78,11 +78,11 @@
         <num-virtual-cpu>16</num-virtual-cpu>
       </virtual-cpu>
     </virtual-compute-desc>
-    <virtual-storage-descriptor>
+    <virtual-storage-desc>
       <id>root</id>
       <type-of-storage>root-storage</type-of-storage>
       <size-of-storage>10</size-of-storage>
-    </virtual-storage-descriptor>
+    </virtual-storage-desc>
     <sw-image-desc>
       <id>CP</id>
       <name>CP</name>
@@ -116,17 +116,13 @@
     <int-virtual-link-desc>
       <id>internal-vl</id>
       <connectivity-type>
-        <layer-protocol>
-          <protocol>ipv4</protocol>
-        </layer-protocol>
+        <layer-protocol>ipv4</layer-protocol>
       </connectivity-type>
     </int-virtual-link-desc>
     <int-virtual-link-desc>
       <id>mgmt</id>
       <connectivity-type>
-        <layer-protocol>
-          <protocol>ipv4</protocol>
-        </layer-protocol>
+        <layer-protocol>ipv4</layer-protocol>
       </connectivity-type>
     </int-virtual-link-desc>
     <ext-cpd>
diff --git a/example-data/nfv-nsd.xml b/example-data/nfv-nsd.xml
index ba4ec2d7b634784082a719200016af7c15ecdefa..03423e679e4915da8a7be7fccd2b929935b0e3cf 100644
--- a/example-data/nfv-nsd.xml
+++ b/example-data/nfv-nsd.xml
@@ -49,6 +49,7 @@
       </checksum>
       <container-format>bare</container-format>
       <disk-format>qcow2</disk-format>
+      <min-disk>1</min-disk>
       <min-ram>2.0</min-ram>
       <size>1</size>
       <image>http://www.cisco.com/asa.qcow2</image>
diff --git a/example-data/nfv-vnfd.xml b/example-data/nfv-vnfd.xml
index 7587240efcd281a762527e1b7fa1e6a49049ee9e..6b76c43495c7e6490901dfaeaa4cdc59733d4a26 100644
--- a/example-data/nfv-vnfd.xml
+++ b/example-data/nfv-vnfd.xml
@@ -48,6 +48,7 @@
     </checksum>
     <container-format>bare</container-format>
     <disk-format>qcow2</disk-format>
+    <min-disk>1</min-disk>
     <min-ram>2.0</min-ram>
     <size>1</size>
     <image>http://www.cisco.com/asa.qcow2</image>
diff --git a/src/yang/etsi-nfv-common.yang b/src/yang/etsi-nfv-common.yang
index 0a1c361eddba042598317e1bec71d6797a287d03..63864b7df194706168fe0c55b9d12b93935bdea5 100644
--- a/src/yang/etsi-nfv-common.yang
+++ b/src/yang/etsi-nfv-common.yang
@@ -243,6 +243,62 @@ submodule etsi-nfv-common {
       "Ephemeral type of storage.";
   }
 
+  identity vnic-type {
+    description
+      "Describes the type of the virtual network interface realizing
+       the CPs instantiated from this CPD. This is used to determine
+       which mechanism driver(s) to be used to bind the port. Value:
+       • NORMAL
+       • VIRTIO
+       • DIRECT
+       • BAREMETAL
+       • VIRTIO-FORWARDER
+       • DIRECT-PHYSICAL
+       • SMART-NIC";
+  }
+
+  identity normal {
+    base vnic-type;
+    description
+      "Normal NIC.";
+  }
+
+  identity virtio {
+    base vnic-type;
+    description
+      "VirtIO NIC.";
+  }
+
+  identity direct {
+    base vnic-type;
+    description
+      "Direct NIC type.";
+  }
+
+  identity bare-metal {
+    base vnic-type;
+    description
+      "Bare metal NIC type.";
+  }
+
+  identity virtio-forwarder {
+    base vnic-type;
+    description
+      "VirtIO Forwarder NIC type.";
+  }
+
+  identity direct-physical {
+    base vnic-type;
+    description
+      "Direct physical NIC type.";
+  }
+
+  identity smart-nic {
+    base vnic-type;
+    description
+      "SmartNIC or Smart NIC type.";
+  }
+
   /*
    * Typedefs
    */
diff --git a/src/yang/etsi-nfv-vnf.yang b/src/yang/etsi-nfv-vnf.yang
index 43c11095fa644be600e48c843e9c5fca838e2be8..b0d0e2d696dfc1fcff41fe18531f0624add64699 100755
--- a/src/yang/etsi-nfv-vnf.yang
+++ b/src/yang/etsi-nfv-vnf.yang
@@ -273,7 +273,7 @@ submodule etsi-nfv-vnf {
              VirtualNetworkInterfaceRequirements information element";
         }
 
-        leaf-list order {
+        leaf order {
           type uint32;
           description
             "The order of the NIC to be assigned on the compute
@@ -292,6 +292,27 @@ submodule etsi-nfv-vnf {
             "GS NFV IFA011: Section 7.1.6.4, VduCpd information
              element.";
         }
+
+        leaf vnic-type {
+	  type identityref {
+	    base vnic-type;
+	  }
+	  description
+	    "Describes the type of the virtual network interface
+             realizing the CPs instantiated from this CPD. This is
+             used to determine which mechanism driver(s) to be used
+             to bind the port. Value:
+             • NORMAL
+             • VIRTIO
+             • DIRECT
+             • BAREMETAL
+             • VIRTIO-FORWARDER
+             • DIRECT-PHYSICAL
+             • SMART-NIC";
+          reference
+            "GS NFV IFA011: Section 7.1.6.4, VduCpd information
+             element.";
+        }
         uses cpd;
 
         leaf security-group-rule-id {