• Failure Process Characteristics of Cloud-Enabled Services 

      Tola, Besmir; Jiang, Yuming; Helvik, Bjarne Emil (Chapter; Peer reviewed, 2017)
      The design of cloud computing technologies need to guarantee high levels of availability and for this reason there is a large interest in new fault tolerant techniques that are able to keep the resilience of the systems ...
    • Keeping Connected When the Mobile Social Network Goes Offline 

      Sigholt, Øystein Løkken (Master thesis, 2019)
      Dette prosjektets mål er å foreslå, implementere og teste en teknikk som sosiale smarttelefonapplikasjoner kan bruke for å koble sammen brukere i situasjoner der de ikke er i stand til å nå applikasjonsserveren, men nær ...
    • Keeping Connected When the Mobile Social Network Goes Offline 

      Sigholt, Øystein Løkken; Tola, Besmir; Jiang, Yuming (Chapter, 2019)
      WiFi Direct is an embedded technology in a vast majority of smartphone devices running the Android operating system. As a result, it represents a promising technology that can be exploited in re-establishing connectivity ...
    • Keeping Connected When the Mobile Social Network Goes Offline 

      Sigholt, Øystein Løkken; Tola, Besmir; Jiang, Yuming (Journal article; Peer reviewed, 2019)
      WiFi Direct is an embedded technology in a vast majority of smartphone devices running the Android operating system. As a result, it represents a promising technology that can be exploited in re-establishing connectivity ...
    • 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 ...
    • On Monolithic and Microservice deployment of Network Functions 

      Sharma, Sachin; Uniyal, Navdeep; Tola, Besmir; Jiang, Yuming (Chapter, 2019)
      Network Function Virtualization (NFV) has recently attracted telecom operators to migrate network functionalities from expensive bespoke hardware systems to virtualized IT infrastructures where they are deployed as software ...
    • On the Resilience of the NFV-MANO: An Availability Model of a Cloud-native Architecture 

      Tola, Besmir; Jiang, Yuming; Helvik, Bjarne Emil (Chapter, 2020)
      With Network Function Virtualization (NFV), the management and orchestration of network services require a new set of functionalities to be added on top of legacy models of operation. Due to the introduction of the ...
    • Towards Carrier-Grade Service Provisioning in NFV 

      Woldeyohannes, Yordanos Tibebu; Tola, Besmir; Jiang, Yuming (Chapter, 2019)
      Network Function Virtualization (NFV) is an emerging technology that reduces cost and brings flexibility in the provisioning of services. NFV-based networks are expected to be able to provide carrier-grade services, which ...