VNF and Infrastructure Testing

With network function virtualization (NFV), traditional monolithic & single vendor network functions are replaced by a set of virtualized network functions, deployed on a virtualized infrastructure. This new architecture enforces the need to migrate to newer testing methodologies, testing the complete NFV based solution at different levels:

  • Network function virtualized infrastructure (NFVI) block that replaces the traditional dedicated h/w.
  • Virtual network function block (VNF) that replaces the h/w dependent monolithic s/w images.
  • Management and orchestration (MANO) block that comprises of Virtual Infrastructure manager (VIM), the VNF manager and NFV Orchestrator (NFVO)

While majority of the MANO block testing can be accomplished via the usual NS/VNF life cycle management operations, testing of the NFVI block and the VNF block requires dedicated strategies.

VNF testing requires a test environment involving the infrastructure for the VNF deployment, test PNF/VNF for interoperability/traffic testing of the VNF under test and a test controller to trigger test execution or monitor results.  

Testing NFVI block requires identification of vendor-agnostic performance metrics for benchmarking the infrastructure and the associated measurement techniques. This allows a fair comparison between different NFVI. It also allows benchmarking a given NFVI for capacity planning and network engineering by emulating the production environment in the infrastructure. Throughput, latency, packet loss are some common benchmarks used for NFVI testing.

HSC’s Expertise in VNF and NFVI Testing Services:

HSC has an experienced team of network engineers who provide first class product engineering and systems integration services in this area.  Here are some of HSC’s offerings targeted to customers seeking VNF and NFVI Testing Services:

  • NFVI deployment and operations – VM/container creation/termination, CPU & memory monitoring.
  • NFVI testing for performance benchmarking – against other NFVI or against PNF counterpart.
  • NFVI testing for capacity planning and network engineering - pre-deployment benchmarking using resource isolation and production environment emulation.
  • Orchestrate and test end-to-end NS in terms of multiple VNFs/PNFs – testing functionality, scalability and interoperability of the VNF under test.

HSC also offers Distributed Virtualization test framework which supports declarative provisioning to design, test and deploy applications as network services on virtualized infrastructures, and test them w.r.t functionality, load, resource benchmarking, scalability etc.


If you are looking for help in VNFs and Infrastructure Testing, HSC is your one-stop-solution. With more than a decade of experience in providing Virtualization services, HSC offers product engineering services that help build, deploy, manage and orchestrate complex VNF’s that are an inseparable part of the NFV architecture and SDN. If you have a question do fill it in the form below and we will get back to you


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