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+#
+# Copyright 2017 ZTE Corporation.
+#
+# 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.
+#
+
+1.nfv-nsd type definiton include three layer profile definitions.
+
+	A.simple tosca profle    : tosca_definition_1.0.yaml
+                            refer:http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.0/os/TOSCA-Simple-Profile-YAML-v1.0-os.docx
+
+	B.tosca nfv profile      : TOSCA_definition_nfv_ns_1_0.yaml
+                            refer:http://docs.oasis-open.org/tosca/tosca-nfv/v1.0/csd03/tosca-nfv-v1.0-csd03.doc
+
+	C.openo extension profile: TOSCA_definition_ns_ext_1_0.yaml
+                            refer:Open-O definition
+
+2.nfv-nsd service template should import the profiles above.
+\ No newline at end of file