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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) Ericsson AB
+
+======================
+VNF test specification
+======================
+
+.. toctree::
+   :maxdepth: 2
+
+Scope
+=====
+
+The VNF test area evaluates basic NFV capabilities of the system under test.
+These capabilities include creating a small number of virtual machines,
+establishing the SUT VNF, VNFs which are going to support the test activities
+and an Orchestrator as well as verifying the proper behavior of the basic VNF.
+
+
+References
+==========
+
+This test area references the following specifications and guides:
+
+- Functest repo for detailed description of the below testcases
+
+  - https://github.com/opnfv/functest/blob/master/docs/testing/user/userguide/test_details.rst
+
+- 3GPP LTE
+
+  - http://www.3gpp.org/technologies/keywords-acronyms/98-lte
+
+- ETSI -  TS 24.301
+
+  - https://www.etsi.org/deliver/etsi_ts/124300_124399/124301/10.03.00_60/ts_124301v100300p.pdf
+
+- ABoT : Test Orchestration Solution
+
+  - https://www.rebaca.com/abot-test-orchestration-tool/
+
+
+Definitions and abbreviations
+=============================
+
+The following terms and abbreviations are used in conjunction with this test
+area
+
+- 3GPP - 3rd Generation Partnership Project
+- EPC - Evolved Packet Core
+- ETSI - European Telecommunications Standards Institute
+- LTE - Long Term Evolution
+- NFV - Network functions virtualization
+- OAI - Open Air Interface
+- TS - Technical Specifications
+- VM - Virtual machine
+- VNF - Virtual Network Function
+
+
+
+System Under Test (SUT)
+=======================
+
+The system under test is assumed to be the VNF and VIM in operation on a
+Pharos compliant infrastructure.
+
+
+Test Area Structure
+===================
+
+The test area is structured in two separate tests which are executed
+sequentially. The order of the tests is arbitrary as there are no dependencies
+across the tests. Specifically, every test performs clean-up operations which
+return the system to the same state as before the test.
+
+
+Test Descriptions
+=================
+
+----------------------------------------------------------------
+Test Case 1 - vEPC
+----------------------------------------------------------------
+
+Short name
+----------
+
+dovetail.vnf.vepc
+
+
+Use case specification
+----------------------
+
+The Evolved Packet Core (EPC) is the main component of the System Architecture
+Evolution (SAE) which forms the core of the 3GPP LTE specification.
+
+vEPC has been integrated in Functest to demonstrate the capability to deploy
+a complex mobility-specific NFV scenario on the OPNFV platform. The OAI EPC
+supports most of the essential functions defined by the 3GPP Technical Specs;
+hence the successful execution of functional tests on the OAI EPC provides a
+good endorsement of the underlying NFV platform.
+
+
+Test preconditions
+------------------
+
+At least one compute node is available. No further pre-configuration needed.
+
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Methodology for verifying connectivity
+''''''''''''''''''''''''''''''''''''''
+
+This integration also includes ABot, a Test Orchestration system that enables
+test scenarios to be defined in high-level DSL. ABot is also deployed as a VM
+on the OPNFV platform; and this provides an example of the automation driver
+and the Test VNF being both deployed as separate VNFs on the underlying OPNFV
+platform.
+
+
+Test execution
+''''''''''''''
+* Test action 1: Deploy Juju controller (VNF Manager) using Bootstrap command.
+* Test action 2: Deploy ABot (Orchestrator) and OAI EPC as Juju charms.
+  Configuration of ABot and OAI EPC components is handled through built-in Juju
+  relations.
+* Test action 3: Execution of ABot feature files triggered by Juju actions.
+  This executes a suite of LTE signalling tests on the OAI EPC.
+* Test action 4: ABot test results are parsed accordingly.
+* Test action 5: The deployed VMS are deleted.
+
+
+Pass / fail criteria
+''''''''''''''''''''
+
+The VNF Manager (juju) should be deployed successfully
+
+Test executor (ABot), test Orchestration system is deployed and enables test
+scenarios to be defined in high-level DSL
+
+VMs which are act as VNFs (including the VNF that is the SUT for test case) are
+following the 3GPP technical specifications accordingly.
+
+
+Post conditions
+---------------
+
+The clean-up operations are run.