Blar i UiS Brage på forfatter "Helvik, Bjarne Emil"

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    • Dependability of the NFV Orchestrator: State of the Art and Research Challenges 

      Gonzalez, Andres Javier; Nencioni, Gianfranco; Kamisinski, Andrzej; Helvik, Bjarne Emil; Heegaard, Poul Einar (Journal article; Peer reviewed, 2018)
      The introduction of network function virtualisation (NFV) represents a significant change in networking technology, which may create new opportunities in terms of cost efficiency, operations, and service provisioning. Although ...

    • The Isolation Concept in the 5G Network Slicing 

      Gonzalez, Andres J.; Ordonez-Lucena, Jose; Helvik, Bjarne Emil; Nencioni, Gianfranco; Xie, Min; Lopez, Diego R.; Grønsund, Pål R. (Chapter, 2020)
      The fifth generation (5G) of cellular networks shall host a number of tenants and provide services tailored to meet a wide range of requirements in terms of performance, dependability and security. Network slicing will be ...

    • Modeling and Evaluating NFV-Enabled Network Services under Different Availability Modes 

      Tola, Besmir; Nencioni, Gianfranco; Helvik, Bjarne Emil; Jiang, Yuming (Chapter, 2019)
      Network and Telecom operators are continuously embracing the adoption of Network Function Virtualization (NFV) as a means to provide more agile, flexible and cost-efficient services. Many telecommunication services need ...

    • Network-Aware Availability Modeling of an End-to-End NFV-Enabled Service 

      Tola, Besmir; Nencioni, Gianfranco; Helvik, Bjarne Emil (Peer reviewed; Journal article, 2019)
      Network Function Virtualization (NFV) represents a key shift in nowadays network service provisioning by entailing higher flexibility, elasticity, and programmability of network services. Dependability is one of the main ...

    • Orchestration and Control in Software-Defined 5G Networks: Research Challenges 

      Nencioni, Gianfranco; Garroppo, Rosario G.; Gonzalez, Andres J.; Helvik, Bjarne Emil; Procissi, Gregorio (Journal article; Peer reviewed, 2018-08)
      The fifth generation (5G) of cellular networks promises to be a major step in the evolution of wireless technology. 5G is planned to be used in a very broad set of application scenarios. These scenarios have strict ...