Abstract
5G communications have become an enabler for the creation of new and more complex networking scenarios, bringing together different vertical ecosystems. Such behavior has been fostered by the network function virtualization (NFV) concept, where the orchestration and virtualization capabilities allow the possibility of dynamically supplying network resources according to its needs. Nevertheless, the integration and performance of heterogeneous network environments, each one supported by a different provider, and with specific characteristics and requirements, in a single NFV framework is not straightforward. In this work we propose an NFV-based framework capable of supporting the flexible, cost-effective deployment of vertical services, through the integration of two distinguished mobile environments and their networks: small sized unmanned aerial vehicles (SUAVs), supporting a flying ad hoc network (FANET) and vehicles, promoting a vehicular ad hoc network (VANET). In this context, a use case involving the public safety vertical will be used as an illustrative example to showcase the potential of this framework. This work also includes the technical implementation details of the framework proposed, allowing to analyse and discuss the delays on the network services deployment process. The results show that the deployment times can be significantly reduced through a distributed VNF configuration function based on the publish–subscribe model.
Highlights
Over the last few years, the transition to the new generation of mobile communications has been gradually taking pace
The information produced by the sized unmanned aerial vehicles (SUAVs) and the vehicles is delivered to the public safety department through the mentioned network service, traversing the aerial network comprised by the SUAVs and the terrestrial communications infrastructure provided by the road side units (RSUs), facilitating decisionmaking processes
This work presents a novel framework that considers the joint integration of three types of network function virtualization (NFV) infrastructures, with the aim of creating a distributed and more complete
Summary
Over the last few years, the transition to the new generation of mobile communications (i.e., the fifth generation, or 5G) has been gradually taking pace. The 5G Telefonica Open Network Innovation Centre (5TONIC) laboratory [14], located in Madrid (Spain), is extended and used as the core infrastructure This laboratory includes a set of SUAV devices to enable the development of the research line mentioned above, which aims to provide these mobile devices with the ability to support the NFV technology, and dynamically assist in the deployment of new generation networks, without incurring the limitations usually entailed by these devices to offer different functionalities.
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