Bjarne E. Helvik

ORCID

Publication Activity (10 Years)

Years Active: 1988-2022
Publications (10 Years): 36

Top Venues

CoRR

DRCN

IEEE Trans. Netw. Serv. Manag.

ICSRS

Publications

Befekadu G. Gebraselase, Bjarne E. Helvik, Yuming Jiang
Bitcoin P2P Network Measurements: A testbed study of the effect of peer selection on transaction propagation and confirmation times. CoRR (2022)
Befekadu Gezaheng Gebraselase, Bjarne E. Helvik, Yuming Jiang
Bitcoin P2P Network Measurements: A Testbed Study of the Effect of Peer Selection on Transaction Propagation and Confirmation Times. IEEE Trans. Netw. Serv. Manag. 19 (4) (2022)
Befekadu G. Gebraselase, Charles M. Adrah, Tesfaye Amare, Bjarne E. Helvik, Poul E. Heegaard
Blockchain Support For Time-Critical Self-Healing In Smart Distribution Grids. ISGT-Europe (2022)
Befekadu G. Gebraselase, Bjarne E. Helvik, Yuming Jiang
Effect of Miner Incentive on the Confirmation Time of Bitcoin Transactions. CoRR (2021)
Befekadu G. Gebraselase, Bjarne E. Helvik, Yuming Jiang
Transaction Characteristics of Bitcoin. IM (2021)
Michele Garau, Bjarne E. Helvik
Power Unavailability Reduction in Distribution Grid Fault Management with Entropy Minimization. ICSRS (2021)
Befekadu G. Gebraselase, Bjarne E. Helvik, Yuming Jiang
Effect of Miner Incentive on the Confirmation Time of Bitcoin Transactions. Blockchain (2021)
Besmir Tola, Yuming Jiang, Bjarne E. Helvik
Model-Driven Availability Assessment of the NFV-MANO With Software Rejuvenation. IEEE Trans. Netw. Serv. Manag. 18 (3) (2021)
Befekadu G. Gebraselase, Bjarne E. Helvik, Yuming Jiang
An Analysis of Transaction Handling in Bitcoin. SMDS (2021)
Michele Garau, Romina Muka, Poul E. Heegaard, Bjarne E. Helvik
Co-simulation and Discrete Event Simulation for Reliability Assessment of Power System and ICT: A Comparison. ICSRS (2021)
Befekadu G. Gebraselase, Bjarne E. Helvik, Yuming Jiang
An Analysis of Transaction Handling in Bitcoin. CoRR (2021)
Besmir Tola, Yuming Jiang, Bjarne E. Helvik
On the Resilience of the NFV-MANO: An Availability Model of a Cloud-native Architecture. DRCN (2020)
Befekadu G. Gebraselase, Bjarne E. Helvik, Yuming Jiang
Transaction Characteristics of Bitcoin. CoRR (2020)
Andrés J. Gonzalez, Jose A. Ordonez-Lucena, Bjarne E. Helvik, Gianfranco Nencioni, Min Xie, Diego R. López, Pål Grønsund
The Isolation Concept in the 5G Network Slicing. EuCNC (2020)
Tesfaye A. Zerihun, Michele Garau, Bjarne E. Helvik
Effect of Communication Failures on State Estimation of 5G-Enabled Smart Grid. IEEE Access 8 (2020)
Jacek Rak, Poul E. Heegaard, Bjarne E. Helvik
Resilience of communication networks to random failures and disasters: An optimization perspective. Networks 75 (4) (2020)
Carlos A. Gutiérrez, Carlos Eugenio Martinez-Cruz, Yi Qian, Iswadi Hasyim Rosma, Jacek Rak, Poul E. Heegaard, Bjarne E. Helvik
Global Communications Newsletter. IEEE Commun. Mag. 57 (5) (2019)
Tesfaye Amare, Michele Garau, Bjarne E. Helvik
Dependability Modeling and Analysis of 5G Based Monitoring System in Distribution Grids. VALUETOOLS (2019)
Besmir Tola, Gianfranco Nencioni, Bjarne E. Helvik
Network-Aware Availability Modeling of an End-to-End NFV-Enabled Service. IEEE Trans. Netw. Serv. Manag. 16 (4) (2019)
Besmir Tola, Gianfranco Nencioni, Bjarne E. Helvik, Yuming Jiang
Modeling and Evaluating NFV-Enabled Network Services under Different Availability Modes. DRCN (2019)
Tesfaye Amare, Bjarne E. Helvik, Poul E. Heegaard
A modeling approach for dependability analysis of smart distribution grids. ICIN (2018)
Gianfranco Nencioni, Rosario Giuseppe Garroppo, Andrés J. Gonzalez, Bjarne E. Helvik, Gregorio Procissi
Orchestration and Control in Software-Defined 5G Networks: Research Challenges. Wirel. Commun. Mob. Comput. 2018 (2018)
Tesfaye Amare, Bjarne E. Helvik
Dependability Analysis of Smart Distribution Grid Architectures Considering Various Failure Modes. ISGT Europe (2018)
Andrés J. Gonzalez, Gianfranco Nencioni, Andrzej Kamisinski, Bjarne E. Helvik, Poul E. Heegaard
Dependability of the NFV Orchestrator: State of the Art and Research Challenges. IEEE Commun. Surv. Tutorials 20 (4) (2018)
Petra Vizarreta, Kishor S. Trivedi, Bjarne E. Helvik, Poul E. Heegaard, Andreas Blenk, Wolfgang Kellerer, Carmen Mas Machuca
Assessing the Maturity of SDN Controllers With Software Reliability Growth Models. IEEE Trans. Netw. Serv. Manag. 15 (3) (2018)
Jorik Oostenbrink, Fernando A. Kuipers, Poul E. Heegaard, Bjarne E. Helvik
Evaluating Local Disaster Recovery Strategies. SIGMETRICS Perform. Evaluation Rev. 46 (2) (2018)
Gianfranco Nencioni, Bjarne E. Helvik, Andrés J. Gonzalez, Poul E. Heegaard, Andrzej Kamisinski
Impact of SDN Controllers Deployment on Network Availability. CoRR (2017)
Gianfranco Nencioni, Bjarne E. Helvik, Poul E. Heegaard
Including Failure Correlation in Availability Modeling of a Software-Defined Backbone Network. IEEE Trans. Netw. Serv. Manag. 14 (4) (2017)
Andrzej Kamisinski, Bjarne E. Helvik, Andrés J. Gonzalez, Gianfranco Nencioni
Assessing the risk of violating SLA dependability requirements in software-defined networks. NFV-SDN (2017)
Petra Vizarreta, Kishor S. Trivedi, Bjarne E. Helvik, Poul E. Heegaard, Wolfgang Kellerer, Carmen Mas Machuca
An empirical study of software reliability in SDN controllers. CNSM (2017)
Besmir Tola, Yuming Jiang, Bjarne E. Helvik
Failure process characteristics of cloud-enabled services. RNDM (2017)
Gianfranco Nencioni, Bjarne E. Helvik, Poul E. Heegaard
Implementing the Availability Model of a Software-Defined Backbone Network in Möbius. CoRR (2017)
Eirik Larsen Følstad, Bjarne E. Helvik
The cost for meeting SLA dependability requirements; implications for customers and providers. Reliab. Eng. Syst. Saf. 145 (2016)
Andrés J. Gonzalez, Gianfranco Nencioni, Bjarne E. Helvik, Andrzej Kamisinski
A Fault-Tolerant and Consistent SDN Controller. GLOBECOM (2016)
Gianfranco Nencioni, Bjarne E. Helvik, Andrés J. Gonzalez, Poul E. Heegaard, Andrzej Kamisinski
Availability Modelling of Software-Defined Backbone Networks. DSN Workshops (2016)
Eirik Larsen Følstad, Bjarne E. Helvik
Maximizing the reliability of dual homed, critical services in wireless/cellular networks. Opt. Switch. Netw. 19 (2016)
Andrés J. Gonzalez, Pål Grønsund, Kashif Mahmood, Bjarne E. Helvik, Poul E. Heegaard, Gianfranco Nencioni
Service Availability in the NFV Virtualized Evolved Packet Core. GLOBECOM (2015)
John Krogstie, Dirk Ahlers, Bjarne E. Helvik
Open, Autonomous Digital Ecosystems - How to Create and Evolve Trustworthy Systems of Systems?. ERCIM News 2015 (102) (2015)
Poul E. Heegaard, Bjarne E. Helvik, Veena B. Mendiratta
Achieving dependability in software-defined networking - A perspective. RNDM@WMNC (2015)
Tesfaye A. Zerihun, Bjarne E. Helvik, Poul E. Heegaard, John Krogstie
Quantitative Modelling of Digital Ecosystems. ERCIM News 2015 (102) (2015)
Andrés J. Gonzalez, Bjarne E. Helvik, Prakriti Tiwari, Denis M. Becker, Otto J. Wittner
GEARSHIFT: Guaranteeing availability requirements in SLAs using hybrid fault tolerance. INFOCOM (2015)
Poul E. Heegaard, Bjarne E. Helvik, Kishor S. Trivedi, Fumio Machida
Survivability as a generalization of recovery. DRCN (2015)
Peiqing Zhang, Nikos Fotiou, Bjarne E. Helvik, Giannis F. Marias, George C. Polyzos
Analysis of the effect of InfoRanking on content pollution in peer-to-peer systems. Secur. Commun. Networks 7 (4) (2014)
Andrés J. Gonzalez, Bjarne E. Helvik
The positive impact of failures on energy efficient virtual machines consolidation. ICC (2014)
Eirik Larsen Følstad, Bjarne E. Helvik
Reliability modelling of access point selection and handovers in heterogeneous wireless environments. DRCN (2013)
Andrés J. Gonzalez, Bjarne E. Helvik
Hybrid Cloud Management to Comply Efficiently with SLA Availability Guarantees. NCA (2013)
Andrés J. Gonzalez, Bjarne E. Helvik
SLA success probability assessment in networks with correlated failures. Comput. Commun. 36 (6) (2013)
Piotr Cholda, Bjarne E. Helvik
Reliable network-based services. Comput. Commun. 36 (6) (2013)
Eirik Larsen Følstad, Bjarne E. Helvik
Optimizing service continuity in a multi operator multi technology wireless environment. DRCN (2013)
Piotr Cholda, Eirik Larsen Følstad, Bjarne E. Helvik, Pirkko Kuusela, Maurizio Naldi, Ilkka Norros
Towards risk-aware communications networking. Reliab. Eng. Syst. Saf. 109 (2013)
Eugene S. Myakotnykh, Otto J. Wittner, Bjarne E. Helvik, Atef Abdelkefi, Jon Kåre Hellan, Olav Kvittem, Trond Skjesol, Arne Øslebø
An analysis of interdomain availability and causes of failures based on active measurements. Telecommun. Syst. 52 (2) (2013)
Peiqing Zhang, Bjarne E. Helvik
Modeling Push-based Live P2P Streaming by Stochastic Activity Networks. J. Digit. Inf. Manag. 10 (4) (2012)
Peiqing Zhang, Bjarne E. Helvik
Modeling Push-Based Live P2P Streaming by Stochastic Activity Networks. NDT (2) (2012)
Peiqing Zhang, Bjarne E. Helvik
Towards green P2P: Analysis of energy consumption in P2P and approaches to control. HPCS (2012)
Andrés J. Gonzalez, Bjarne E. Helvik
Characterisation of router and link failure processes in UNINETT's IP backbone network. Int. J. Space Based Situated Comput. 2 (1) (2012)
Andrés J. Gonzalez, Bjarne E. Helvik
System management to comply with SLA availability guarantees in cloud computing. CloudCom (2012)
Laurent Paquereau, Bjarne E. Helvik
Ant-Based Systems for Wireless Networks: Retrospect and Prospects. IWSOS (2012)
Huaiyuan Ma, Bjarne E. Helvik, Otto J. Wittner
An impact of addressing schemes on routing scalability. J. Commun. Networks 13 (6) (2011)
Andrés J. Gonzalez, Bjarne E. Helvik
Guaranteeing service availability in SLAs on networks with non independent failures. DRCN (2011)
Andrés J. Gonzalez, Bjarne E. Helvik
Analysis of Failures Characteristics in the UNINETT IP Backbone Network. AINA Workshops (2011)
Peiqing Zhang, Bjarne E. Helvik
Modeling and analysis of P2P content distribution under coordinated attack strategies. CCNC (2011)
Stefano Secci, Huaiyuan Ma, Bjarne E. Helvik, Jean-Louis Rougier
Resilient Inter-Carrier Traffic Engineering for Internet Peering Interconnections. IEEE Trans. Netw. Serv. Manag. 8 (4) (2011)
Eirik Larsen Følstad, Bjarne E. Helvik
Failures and changes in cellular access networks; A study of field data. DRCN (2011)
Laurent Paquereau, Bjarne E. Helvik
Ant-Based Multipath Routing for Wireless Mesh Networks. EvoApplications (2) (2011)
Eugene S. Myakotnykh, Bjarne E. Helvik, Jon Kåre Hellan, Olav Kvittem, Trond Skjesol, Otto J. Wittner, Arne Øslebø
Analyzing causes of failures in the Global Research Network using active measurements. ICUMT (2010)
Eugene S. Myakotnykh, Bjarne E. Helvik, Otto J. Wittner, Olav Kvittem, Jon Kåre Hellan, Trond Skjesol, Arne Øslebø
Measurement and analysis of end-to-end dependability characteristics in the global network. IWQoS (2010)
Peiqing Zhang, Bjarne E. Helvik
Towards Green P2P: Understanding the Energy Consumption in P2P under Content Pollution. GreenCom/CPSCom (2010)
Andrés J. Gonzalez, Bjarne E. Helvik, Jon Kåre Hellan, Pirkko Kuusela
Analysis of Dependencies between Failures in the UNINETT IP Backbone Network. PRDC (2010)
Stefano Secci, Huaiyuan Ma, Bjarne E. Helvik, Jean-Louis Rougier
A Resilient Routing Policy for Peering Management. GLOBECOM (2010)
Laurent Paquereau, Bjarne E. Helvik
Opportunistic Ant-Based Path Management for Wireless Mesh Networks. ANTS Conference (2010)
Peiqing Zhang, Bjarne E. Helvik
Modeling QoS in P2P File-Sharing with Benign and Malicious Peers by Stochastic Activity Networks. CCNC (2010)
Laurent Paquereau, Bjarne E. Helvik
Revisiting the Auto-Regressive Functions of the Cross-Entropy Ant System. IWSOS (2009)
Eugene S. Myakotnykh, Bjarne E. Helvik
Analysis of evolution scenarios for end-to-end quality of services provisioning in the internet. ICUMT (2009)
Eirik Larsen Følstad, Bjarne E. Helvik
Managing availability in wireless inter domain access. ICUMT (2009)
Huaiyuan Ma, Bjarne E. Helvik, Otto J. Wittner
A Compact Routing Scheme with Lower Stretch. NTMS (2009)
Marie Elisabeth Gaup Moe, Bjarne E. Helvik, Svein J. Knapskog
Comparison of the Beta and the Hidden Markov Models of Trust in Dynamic Environments. IFIPTM (2009)
Anders Mykkeltveit, Bjarne E. Helvik
Adaptive management of connections to meet availability guarantees in SLAs. Integrated Network Management (2009)
Piotr Cholda, Anders Mykkeltveit, Bjarne E. Helvik, Andrzej Jajszczyk
Continuity-based resilient communication. DRCN (2009)
Peiqing Zhang, Bjarne E. Helvik
Modeling Reputation Scheme in P2P File-Sharing by Stochastic Activity Networks. DASC (2009)
Laurent Paquereau, Bjarne E. Helvik
Ensuring Fast Adaptation in an Ant-Based Path Management System. BIONETICS (2009)
Huaiyuan Ma, Otto J. Wittner, Bjarne E. Helvik
A Stochastic Clustering Algorithm for Swarm Compact Routing. NGI (2009)
Hein Meling, Alberto Montresor, Bjarne E. Helvik, Özalp Babaoglu
Jgroup/ARM: a distributed object group platform with autonomous replication management. Softw. Pract. Exp. 38 (9) (2008)
Crina Grosan, Ajith Abraham, Bjarne E. Helvik
Building Multiobjective Resilient Networks. UKSim (2008)
Anders Mykkeltveit, Bjarne E. Helvik
Comparison of Schemes for Provision of Differentiated Availability-Guaranteed Services Using Dedicated Protection. ICN (2008)
Marie Elisabeth Gaup Moe, Bjarne E. Helvik, Svein J. Knapskog
TSR: trust-based secure MANET routing using HMMs. Q2SWinet (2008)
Laurent Paquereau, Bjarne E. Helvik
Simulation of wireless multi-* networks in NS-2. VALUETOOLS (2008)
Anders Mykkeltveit, Bjarne E. Helvik
Provision of connection-specific availability guarantees in communication networks. DRCN (2007)
Piotr Cholda, Anders Mykkeltveit, Bjarne E. Helvik, Otto J. Wittner, Andrzej Jajszczyk
A survey of resilience differentiation frameworks in communication networks. IEEE Commun. Surv. Tutorials 9 (1-4) (2007)
Karin Sallhammar, Bjarne E. Helvik, Svein J. Knapskog
On Stochastic Modeling for Integrated Security and Dependability Evaluation. J. Networks 1 (5) (2006)
Karin Sallhammar, Bjarne E. Helvik, Svein J. Knapskog
A Game-Theoretic Approach to Stochastic Security and Dependability Evaluation. DASC (2006)
Karin Sallhammar, Bjarne E. Helvik, Svein J. Knapskog
Towards a Stochastic Model for Integrated Security and Dependability Evaluation. ARES (2006)
Frank Yong Li, Norvald Stol, Bjarne E. Helvik
Conformance deterioration in QoS networks: Phenomenon, analysis and elimination. Comput. Networks 50 (12) (2006)
Karin Sallhammar, Bjarne E. Helvik, Svein J. Knapskog
Incorporating Attacker Behavior in Stochastic Models of Security. Security and Management (2005)
Karin Sallhammar, Svein J. Knapskog, Bjarne E. Helvik
Using Stochastic Game Theory to Compute the Expected Behavior of Attackers. SAINT Workshops (2005)
Ragnar Ø. Andreassen, Aasmund Sudbö, Steinar Bjørnstad, Bjarne E. Helvik, Erik Hodne, Sigbjörn Wikshaland, Evi Zouganeli
Fault tolerance in a TWC/AWG based optical burst switching node architecture. DRCN (2005)
Poul E. Heegaard, Bjarne E. Helvik, Ragnar Ø. Andreassen
Application of rare event techniques to trace driven simulation. WSC (2005)
Bjarne E. Helvik, Hein Meling, Alberto Montresor
An Approach to Experimentally Obtain Service Dependability Characteristics of the Jgroup/ARM System. EDCC (2005)
Otto J. Wittner, Bjarne E. Helvik, Victor Nicolat
Internet failure protection using hamiltonian p-cycles found by ant-like agents. DRCN (2005)
Poul E. Heegaard, Otto J. Wittner, Bjarne E. Helvik
Self-Management of Virtual Paths in Dynamic Networks. Self-star Properties in Complex Information Systems (2005)
Hein Meling, Bjarne E. Helvik
Performance consequences of inconsistent client-side membership information in the open group model. IPCCC (2004)

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Publication Activity (10 Years)

Top Topics

Top Venues

Bjarne E. Helvik