--- /dev/null
+Reference
+---------
+
+[1] ETSI GS NFV 002 (V1.1.1): “Architectural Framework”
+
+[2] ETSI GS NFV 003 (V1.1.1): "Terminology for Main Concepts in NFV"
+
+[3] ETSI GS NFV-SWA001:“Virtual Network Function Architecture”
+
+[4] ETSI GS NFV-MAN001:“Management and Orchestration”
+
+[5] ETSI GS NFV-REL001:"Resiliency Requirements"
+
+[6] QuEST Forum TL-9000:"Quality Management System Requirement
+Handbook"
+
+[7] Service Availability Forum AIS:"Software Management Framework"