Recent Submissions

  • Development of a Virtual Traffic Light Testbed 

    Brastad, Anders (Master thesis, 2017)
    Today we are facing many challenges within our systems of transport and traffic. The world of transportation is huge, and the problems are often difficult to resolve. Intelligent transport systems (ITS) and services are ...
  • Monitoring and Detecting Failures in Wide Area IoT Networks 

    Grønsleth, Hans Henrik (Master thesis, 2016)
    Low Power Wide Area Network technologies provide an infrastructure that facilitates development of wide area IoT applications. With this comes a need for a better understanding of how components in such applications should ...
  • Wireless LAN auditing procedure for industrial environments 

    Ohm, Magnus Andreas (Master thesis, 2017)
    Today's industry is dependent on computer networks. These computer networks are a vital part of how industrial environments operate. They are used for a variety of different tasks. Networks are needed to do everything from ...
  • A platform for gathering insight into users experiences and their contexts on mobile devices 

    Årsnes, Stian Michael (Master thesis, 2017)
    Users are getting more demanding every day, and it is more important than ever for providers to really understand what their users feel and think when using their product, application or service. This why \gls{qoe} has ...
  • Sacrificing Efficiency for Quality of Experience: YouTube’s Redundant Traffic Behavior 

    Sieber, Christian; Heegaard, Poul Einar; Hoßfeld, Tobias; Kellerer, Wolfgang (Conference object; Peer reviewed, 2016)
    Internet traffic reports show that YouTube is one of the major sources of data traffic world-wide. Furthermore, the data traffic shifts from mostly fixed landlines to cellular data connections where bandwidth is sparse and ...
  • On Additive and Multiplicative QoS-QoE Models for Multiple QoS Parameters 

    Hossfelt, Tobias; Skorin-Kapov, Lea; Heegaard, Poul Einar; Varela, Martin; Chen, Kuan-ta (Chapter; Conference object, 2016)
    Generic relationships between QoE and QoS have been inten- sively discussed in literature for single QoS parameters and often found to be logarithmic or exponential. While there are many experimental studies investigating ...
  • Designing for Redundancy: Nurses Experiences with the Wireless Nurse Call System 

    Klemets, Joakim Henrik M; Evjemo, Tor Erik; Kristiansen, Lill (Journal article; Peer reviewed, 2013)
    Patients rely on the nurse call system when in need of nurses’ assistance, while nurses rely on the nurse call system to coordinate work. In order to handle the highly mobile nature of nurses’ work, a wireless nurse call ...
  • Availability communication: Requirements for an awareness system to support nurses' handling of nurse calls 

    Klemets, Joakim Henrik M; Toussaint, Pieter Jelle (Journal article; Peer reviewed, 2015)
    The recent development of mobile technologies allows nurses to receive different types of requests anywhere. However, the interruptions generated by these devices often presents a challenge for nurses in their daily work ...
  • Examining the suitability of industrial safety management approaches for information security incident management 

    Line, Maria Bartnes; Albrechtsen, Eirik (Journal article; Peer reviewed, 2016)
  • Service availability in the NFV Virtualized Evolved Packet Core 

    Mahmood, Kashif; Gonzalez, Andres Javier; Helvik, Bjarne Emil; Nencioni, Gianfranco; Heegaard, Poul Einar; Grønsund, Pål R. (Conference object; Peer reviewed, 2015)
    Network Function Virtualization (NFV) promises to transform the way telecom providers design and operate networks and network services. Virtualized Evolved Packet Core (vEPC) is one of the NFV use cases that has got most ...
  • A Survey on Network Resiliency Methodologies against Weather-based Disruptions 

    Kmiecik, Wojciech; Rak, Jacek; Medeiros, Carmo; Heegaard, Poul Einar; Mas Machuca, Carmen; André, Joao; Jorge, Luisa; Musumeci, Francesco; Voyiatzis, Artemios; Pasic, Alija; Tornatore, Massimo; Travanca, Rui; Furdek, Marija; Hmaity, Ali; Simpson, Steven; Babarczi, Peter; Martins, Lucia; Følstad, Eirik Larsen; Braun, Torsten (Chapter; Conference object; Peer reviewed, 2016)
    Due to the increasing dependence on network ser- vices of our society, research has recently been concentrating on enhancing traditional protection strategies to withstand large- scale failures, as in case of disaster ...
  • Video QoE Killer and Performance Statistics in WebRTC-based Video Communication 

    Ammar, Doreid; De Moor, Katrien; Hossfelt, Tobias; Fiedler, Markus; Heegaard, Poul Einar; Xie, Min (Chapter; Conference object; Peer reviewed, 2016)
    Abstract: In this paper, we investigate session-related performance statistics of a Web-based Real-Time Communication (WebRTC) application called appear.in. We explore the characteristics of these statistics and explore ...
  • Managed Dependability in Interacting Systems 

    Helvik, Bjarne Emil; Nencioni, Gianfranco; Heegaard, Poul Einar; Wäfler, Jonas (Springer Series in Reliability Engineering;, Chapter; Peer reviewed, 2016)
    AdigitalICTinfrastructuremustbeconsideredasasystemofsystemsin itself, but also in interaction with other critical infrastructures such as water distributions, transportation (e.g. Intelligent Transport Systems) and Smart ...
  • A Fault-Tolerant and Consistent SDN Controller 

    Kamisinski, Andrzej; Gonzalez, Andres Javier; Helvik, Bjarne Emil; Nencioni, Gianfranco (Chapter; Conference object; Peer reviewed, 2016)
    Software-Defined Networking (SDN) is a new paradigm that promises to enhance network flexibility and innovation. However, operators need to thoroughly assess its advantages and threats before they can implement it. Robustness ...
  • Sharing is Power: Incentives for Information Exchange in Multi-Operator Service Delivery 

    Heegaard, Poul Einar; Biczok, Gergely; Toka, Lazio (Chapter; Conference object; Peer reviewed, 2016)
    A majority of 5G verticals have the potential to generate large revenues, but are expected to have strict Quality of Service (QoS) guarantees, and are projected to be delivered as a service chain of multiple, independent ...
  • Availability Modelling of Software-Defined Backbone Networks 

    Kamisinski, Andrzej; Gonzalez, Andres Javier; Helvik, Bjarne Emil; Nencioni, Gianfranco; Heegaard, Poul Einar (Chapter; Conference object; Peer reviewed, 2016)
    Software-Defined Networking (SDN) promises to improve the programmability and flexibility of networks, but it may also bring new challenges that need to be explored. The main objective of this paper is to present a ...
  • The future of information security incident management training: A case study of electrical power companies 

    Bartnes, Maria; Moe, Nils Brede; Heegaard, Poul Einar (Journal article; Peer reviewed, 2016)
    Recent attacks and threat reports indicate that industrial control organizations are attractive targets for attacks. Emerging threats create the need for a well-established capacity for responding to unwanted incidents. ...
  • Smart Grid Demand Response with Mutual Utility-Consumer Benefits 

    Dittawit, Kornschnok (Doctoral theses at NTNU;2016:288, Doctoral thesis, 2016)
    At present, the distribution of electricity is mostly one-way from utilities to consumers. On the other hand, communication of information such as energy consumption information for billing purpose is either a manual ...
  • Implementing the Availability Model of a Software-Defined Backbone Network in Möbius 

    Nencioni, Gianfranco; Helvik, Bjarne Emil; Heegaard, Poul Einar (Research report, 2017)
    Software-defined networking (SDN) promises to im-prove the programmability and flexibility of networks, but it may bring also new challenges that need to be explored. One open issue is the quantitative ...
  • Impact of SDN Controllers Deployment on Network Availability 

    Nencioni, Gianfranco; Helvik, Bjarne Emil; Gonzalez, Andres Javier; Heegaard, Poul Einar; Kamisinski, Andrzej (Research report, 2016)
    Software-defined networking (SDN) promises to improve the programmability and flexibility of networks, but it may bring also new challenges that need to be explored. The purpose of this technical report is to assess how ...

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