diff --git a/src/nsd/ref1_ns/ref1_nsd.yaml b/src/nsd/ref1_ns/ref1_nsd.yaml
new file mode 100644
index 0000000..465537c
--- /dev/null
+++ b/src/nsd/ref1_ns/ref1_nsd.yaml
@@ -0,0 +1,39 @@
+nsd:nsd-catalog:
+    nsd:
+    -   constituent-vnfd:
+        -   member-vnf-index: '1'
+            start-by-default: 'true'
+            vnfd-id-ref: Ref_Vnf_11
+        -   member-vnf-index: '2'
+            vnfd-id-ref: Ref_Vnf_21
+        description: Reference NS 1
+        id: Ref_NS_1
+        name: Ref_NS_1
+        vendor: ETSI
+        vld:
+        -   description: Mgmt VL
+            id: 54c04
+            name: VL1
+            short-name: VL1
+            type: ELAN
+            vendor: ETSI
+            vnfd-connection-point-ref:
+            -   member-vnf-index-ref: '1'
+                vnfd-id-ref: Ref_Vnf_11
+                vnfd-connection-point-ref: mgmt0
+            -   member-vnf-index-ref: '2'
+                vnfd-id-ref: Ref_Vnf_21
+                vnfd-connection-point-ref: mgmt
+        -   description: Data VL
+            id: 54c03
+            name: VL2
+            short-name: VL2
+            type: ELAN
+            vendor: ETSI
+            vnfd-connection-point-ref:
+            -   member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: west
+                vnfd-id-ref: Ref_Vnf_11
+            -   member-vnf-index-ref: '2'
+                vnfd-connection-point-ref: data
+                vnfd-id-ref: Ref_Vnf_21
diff --git a/src/nsd/ref2_ns/ref2_nsd.yaml b/src/nsd/ref2_ns/ref2_nsd.yaml
new file mode 100644
index 0000000..281fdee
--- /dev/null
+++ b/src/nsd/ref2_ns/ref2_nsd.yaml
@@ -0,0 +1,40 @@
+nsd:nsd-catalog:
+    nsd:
+    -   constituent-vnfd:
+        -   member-vnf-index: '1'
+            vnfd-id-ref: Ref_Vnf_12
+        -   member-vnf-index: '2'
+            vnfd-id-ref: Ref_Vnf_22
+        description: Reference NS2
+        id: Ref_NS_2
+        name: Ref_NS_2
+        vendor: ETSI
+        vld:
+        -   id: '97465'
+            name: VL1
+            vnfd-connection-point-ref:
+            -   member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: mgmt0
+                vnfd-id-ref: Ref_Vnf_12
+            -   member-vnf-index-ref: '2'
+                vnfd-connection-point-ref: mgmt
+                vnfd-id-ref: Ref_Vnf_22
+        -   id: f66e6
+            name: VL2
+            vnfd-connection-point-ref:
+            -   member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: east
+                vnfd-id-ref: Ref_Vnf_12
+            -   member-vnf-index-ref: '2'
+                vnfd-connection-point-ref: east
+                vnfd-id-ref: Ref_Vnf_22
+        -   id: b72e9
+            name: VL3
+            vnfd-connection-point-ref:
+            -   member-vnf-index-ref: '1'
+                vnfd-connection-point-ref: west
+                vnfd-id-ref: Ref_Vnf_12
+            -   member-vnf-index-ref: '2'
+                vnfd-connection-point-ref: west
+                vnfd-id-ref: Ref_Vnf_22
+