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Diffstat (limited to 'docs/testing/user/userguide/12-nsb-overview.rst')
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1 files changed, 26 insertions, 14 deletions
diff --git a/docs/testing/user/userguide/12-nsb-overview.rst b/docs/testing/user/userguide/12-nsb-overview.rst index 62b03e53f..ec4df1cae 100644 --- a/docs/testing/user/userguide/12-nsb-overview.rst +++ b/docs/testing/user/userguide/12-nsb-overview.rst @@ -29,22 +29,34 @@ Yardstick_ from Intel. Overview -------- -The goal of NSB is to Extend Yardstick to perform real world VNFs and NFVi -Characterization and benchmarking with repeatable and deterministic methods. - -The Network Service Benchmarking (NSB) extends the yardstick framework to do -VNF characterization and benchmarking in three different execution -environments - bare metal i.e. native Linux environment, standalone virtual -environment and managed virtualized environment (e.g. Open stack etc.). -It also brings in the capability to interact with external traffic generators -both hardware & software based for triggering and validating the traffic -according to user defined profiles. +Network Services Benchmarking (:term:`NSB`) uses the :term:`Yardstick` +framework for performing :term:`VNF` and :term:`NFVI` characterisation in an +:term:`NFV` environment. + +For VNF characterisation, NSB will onboard a VNF, source and sink traffic to it +via traffic generators, and collect a variety of key performance indicators +(:term:`KPI`) during VNF execution. The stream of KPI data is stored in a +database, and it is visualized in a performance-visualization dashboard. + +For NFVI characterisation, a fixed test VNF, called :term:`PROX` is used. +PROX implements a suite of test cases and visualizes the output data of the +test suite. The PROX test cases implement various execution kernels found in +real-world VNFs, and the output of the test cases provides an indication of +the fitness of the infrastructure for running NFV services, in addition to +indicating potential performance optimizations for the NFVI. + +NSB extends the Yardstick framework to do VNF characterization in three +different execution environments - bare metal i.e. native Linux environment, +standalone virtual environment and managed virtualized environment (e.g. +OpenStack). It also brings in the capability to interact with external traffic +generators, both hardware and software based, for triggering and validating the +traffic according to user defined profiles. NSB extension includes: * Generic data models of Network Services, based on ETSI spec `ETSI GS NFV-TST 001`_ -* Standalone :term:`context` for VNF testing like SRIOV, OVS, OVS-DPDK, etc +* Standalone :term:`context` for VNF testing with SRIOV, OVS, OVS-DPDK, etc * Generic VNF configuration models and metrics implemented with Python classes * Traffic generator features and traffic profiles @@ -113,8 +125,8 @@ Components of Network Service requires the proper modelling approach. The NSB provides models using Python files and defining of NSDs and VNFDs. -The benchmark control application being a part of OPNFV yardstick can call -that python models to instantiate and configure the VNFs. Depending on +The benchmark control application being a part of OPNFV Yardstick can call +that Python models to instantiate and configure the VNFs. Depending on infrastructure type (bare-metal or fully virtualized) that calls could be made directly or using MANO system. @@ -190,7 +202,7 @@ VNFs supported for chracterization 1. CGNAPT - Carrier Grade Network Address and port Translation 2. vFW - Virtual Firewall 3. vACL - Access Control List -4. Prox - Packet pROcessing eXecution engine: +4. PROX - Packet pROcessing eXecution engine: * VNF can act as Drop, Basic Forwarding (no touch), L2 Forwarding (change MAC), GRE encap/decap, Load balance based on packet fields, Symmetric load balancing |