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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) OPNFV, Ericsson AB and others.
-
-===========
-Methodology
-===========
-
-Abstract
-========
-
-This chapter describes the methodology implemented by the Yardstick project for
-verifying the :term:`NFVI` from the perspective of a :term:`VNF`.
-
-ETSI-NFV
-========
-
-.. _NFV-TST001: http://www.etsi.org/deliver/etsi_gs/NFV-TST/001_099/001/01.01.01_60/gs_NFV-TST001v010101p.pdf
-.. _Yardsticktst: https://wiki.opnfv.org/download/attachments/2925202/opnfv_summit_-_bridging_opnfv_and_etsi.pdf?version=1&modificationDate=1458848320000&api=v2
-
-
-The document ETSI GS NFV-TST001_, "Pre-deployment Testing; Report on Validation
-of NFV Environments and Services", recommends methods for pre-deployment
-testing of the functional components of an NFV environment.
-
-The Yardstick project implements the methodology described in chapter 6, "Pre-
-deployment validation of NFV infrastructure".
-
-The methodology consists in decomposing the typical :term:`VNF` work-load
-performance metrics into a number of characteristics/performance vectors, which
-each can be represented by distinct test-cases.
-
-The methodology includes five steps:
-
-* *Step1:* Define Infrastruture - the Hardware, Software and corresponding
- configuration target for validation; the OPNFV infrastructure, in OPNFV
- community labs.
-
-* *Step2:* Identify :term:`VNF` type - the application for which the
- infrastructure is to be validated, and its requirements on the underlying
- infrastructure.
-
-* *Step3:* Select test cases - depending on the workload that represents the
- application for which the infrastruture is to be validated, the relevant
- test cases amongst the list of available Yardstick test cases.
-
-* *Step4:* Execute tests - define the duration and number of iterations for the
- selected test cases, tests runs are automated via OPNFV Jenkins Jobs.
-
-* *Step5:* Collect results - using the common API for result collection.
-
-.. seealso:: Yardsticktst_ for material on alignment ETSI TST001 and Yardstick.
-
-Metrics
-=======
-
-The metrics, as defined by ETSI GS NFV-TST001, are shown in
-:ref:`Table1 <table2_1>`, :ref:`Table2 <table2_2>` and
-:ref:`Table3 <table2_3>`.
-
-In OPNFV Colorado release, generic test cases covering aspects of the listed
-metrics are available; further OPNFV releases will provide extended testing of
-these metrics.
-The view of available Yardstick test cases cross ETSI definitions in
-:ref:`Table1 <table2_1>`, :ref:`Table2 <table2_2>` and :ref:`Table3 <table2_3>`
-is shown in :ref:`Table4 <table2_4>`.
-It shall be noticed that the Yardstick test cases are examples, the test
-duration and number of iterations are configurable, as are the System Under
-Test (SUT) and the attributes (or, in Yardstick nomemclature, the scenario
-options).
-
-.. _table2_1:
-
-**Table 1 - Performance/Speed Metrics**
-
-+---------+-------------------------------------------------------------------+
-| Category| Performance/Speed |
-| | |
-+---------+-------------------------------------------------------------------+
-| Compute | * Latency for random memory access |
-| | * Latency for cache read/write operations |
-| | * Processing speed (instructions per second) |
-| | * Throughput for random memory access (bytes per second) |
-| | |
-+---------+-------------------------------------------------------------------+
-| Network | * Throughput per NFVI node (frames/byte per second) |
-| | * Throughput provided to a VM (frames/byte per second) |
-| | * Latency per traffic flow |
-| | * Latency between VMs |
-| | * Latency between NFVI nodes |
-| | * Packet delay variation (jitter) between VMs |
-| | * Packet delay variation (jitter) between NFVI nodes |
-| | |
-+---------+-------------------------------------------------------------------+
-| Storage | * Sequential read/write IOPS |
-| | * Random read/write IOPS |
-| | * Latency for storage read/write operations |
-| | * Throughput for storage read/write operations |
-| | |
-+---------+-------------------------------------------------------------------+
-
-.. _table2_2:
-
-**Table 2 - Capacity/Scale Metrics**
-
-+---------+-------------------------------------------------------------------+
-| Category| Capacity/Scale |
-| | |
-+---------+-------------------------------------------------------------------+
-| Compute | * Number of cores and threads- Available memory size |
-| | * Cache size |
-| | * Processor utilization (max, average, standard deviation) |
-| | * Memory utilization (max, average, standard deviation) |
-| | * Cache utilization (max, average, standard deviation) |
-| | |
-+---------+-------------------------------------------------------------------+
-| Network | * Number of connections |
-| | * Number of frames sent/received |
-| | * Maximum throughput between VMs (frames/byte per second) |
-| | * Maximum throughput between NFVI nodes (frames/byte per second) |
-| | * Network utilization (max, average, standard deviation) |
-| | * Number of traffic flows |
-| | |
-+---------+-------------------------------------------------------------------+
-| Storage | * Storage/Disk size |
-| | * Capacity allocation (block-based, object-based) |
-| | * Block size |
-| | * Maximum sequential read/write IOPS |
-| | * Maximum random read/write IOPS |
-| | * Disk utilization (max, average, standard deviation) |
-| | |
-+---------+-------------------------------------------------------------------+
-
-.. _table2_3:
-
-**Table 3 - Availability/Reliability Metrics**
-
-+---------+-------------------------------------------------------------------+
-| Category| Availability/Reliability |
-| | |
-+---------+-------------------------------------------------------------------+
-| Compute | * Processor availability (Error free processing time) |
-| | * Memory availability (Error free memory time) |
-| | * Processor mean-time-to-failure |
-| | * Memory mean-time-to-failure |
-| | * Number of processing faults per second |
-| | |
-+---------+-------------------------------------------------------------------+
-| Network | * NIC availability (Error free connection time) |
-| | * Link availability (Error free transmission time) |
-| | * NIC mean-time-to-failure |
-| | * Network timeout duration due to link failure |
-| | * Frame loss rate |
-| | |
-+---------+-------------------------------------------------------------------+
-| Storage | * Disk availability (Error free disk access time) |
-| | * Disk mean-time-to-failure |
-| | * Number of failed storage read/write operations per second |
-| | |
-+---------+-------------------------------------------------------------------+
-
-.. _table2_4:
-
-**Table 4 - Yardstick Generic Test Cases**
-
-+---------+-------------------+----------------+------------------------------+
-| Category| Performance/Speed | Capacity/Scale | Availability/Reliability |
-| | | | |
-+---------+-------------------+----------------+------------------------------+
-| Compute | TC003 [1]_ | TC003 [1]_ | TC013 [1]_ |
-| | TC004 | TC004 | TC015 [1]_ |
-| | TC010 | TC024 | |
-| | TC012 | TC055 | |
-| | TC014 | | |
-| | TC069 | | |
-+---------+-------------------+----------------+------------------------------+
-| Network | TC001 | TC044 | TC016 [1]_ |
-| | TC002 | TC073 | TC018 [1]_ |
-| | TC009 | TC075 | |
-| | TC011 | | |
-| | TC042 | | |
-| | TC043 | | |
-+---------+-------------------+----------------+------------------------------+
-| Storage | TC005 | TC063 | TC017 [1]_ |
-+---------+-------------------+----------------+------------------------------+
-
-.. note:: The description in this OPNFV document is intended as a reference for
- users to understand the scope of the Yardstick Project and the
- deliverables of the Yardstick framework. For complete description of
- the methodology, please refer to the ETSI document.
-
-.. rubric:: Footnotes
-.. [1] To be included in future deliveries.
-