The upcoming 5th generation of networks (5G) is expected to be the backbone and enabler of many innovative services, ranging from those that require ultra-low latency to those with ultra-high bandwidth demands. This performance evolution comes primarily from new enhancements in the radio layer, but its innovation potential emerges from new paradigms deployed in the upper layers of the 5G networks where concepts and technologies comparable to those deployed in the cloud infrastructure are being used. 5G networks completely embrace the virtualisation of services building upon virtual machines and more recently containerised services. In 5G jargon, this is called Network functions Virtualisation (NFV) or Network Functions containerisation (NFC). Sets of NFV/NFC are composed to deploy and propose new Network Services (NS) targeting specific needs on top of a 5G network.

It is foreseen that third parties will develop new NFV/NFC/NS to be deployed over 5G networks operated by the telco companies in a way similar to new applications being deployed in a cloud. The development of stores where reusable NFV/NFC are made available to be extended and composed by external developers is envisioned. The implementation of such an approach however raise questions:

  • How the network operator make sure that the new NS going to be deployed will behave according to agreed specifications and that it will not, for example, over consume its available resources while maintaining its service?
  • How the operator and the developer ensure that the newly deployed NS will behave according to its specification?
  • How the creation of new services by external developers be encouraged and made easy to accelerate the growth of the offer?

 

To answer these concerns, the 5GTANGO has developed a unique V&V approach. V&V stands for verification and validation and aims at ensuring that a software application behaves according to its specification (verification) and users’ needs (validation). The 5GTANGO V&V environment is a multi-MANO (targeting SONATA, OSM, ONAP) standalone test environment which streamlines the complete test chain: definition of reusable test plans across NS, reporting from the Service Platform with advanced analytics and reusable probes. Packaged with the 5GTANGO SDK, it becomes part of the developers’ continuous integration (CI) framework.

Building upon the 5th SONATA Release, 5GTANGO, in cooperation for 5GinFIRE H2020 project, is taking the opportunity of the 7th OSM hackfest to demonstrate the use of the standalone 5GTANGO V&V platform in an OSM environment.

 

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