Composable distributed real-time systems with deterministic network channels.

Bjarne E. Helvik Bjarne Emil Helvik https://orcid.org/0000-0001-6969-4571 https://www.wikidata.org/entity/Q57412662 https://ieeexplore.ieee.org/author/37266921400

Henrik Austad Erling Rennemo Jellum Sverre Hendseth Geir Mathisen Torleiv Håland Bryne Kristoffer Nyborg Gregertsen Sigurd Mørkved Albrektsen Bjarne Emil Helvik Composable distributed real-time systems with deterministic network channels. 102853 2023 April 137 J. Syst. Archit. https://doi.org/10.1016/j.sysarc.2023.102853 db/journals/jsa/jsa137.html#AustadJHMBGAH23

Befekadu Gezaheng Gebraselase Bjarne E. Helvik Yuming Jiang 0001 Bitcoin P2P Network Measurements: A Testbed Study of the Effect of Peer Selection on Transaction Propagation and Confirmation Times. 3975-3987 2022 December 19 IEEE Trans. Netw. Serv. Manag. 4 https://doi.org/10.1109/TNSM.2022.3216955 db/journals/tnsm/tnsm19.html#GebraselaseHJ22

Befekadu Gezaheng Gebraselase Charles M. Adrah Tesfaye Amare Bjarne E. Helvik Poul E. Heegaard Blockchain Support For Time-Critical Self-Healing In Smart Distribution Grids. 1-6 2022 ISGT-Europe https://doi.org/10.1109/ISGT-Europe54678.2022.9960615 conf/isgteurope/2022 db/conf/isgteurope/isgteurope2022.html#GebraselaseAAHH22

Befekadu Gezaheng Gebraselase Bjarne E. Helvik Yuming Jiang 0001 Bitcoin P2P Network Measurements: A testbed study of the effect of peer selection on transaction propagation and confirmation times. 2022 abs/2205.00745 CoRR https://doi.org/10.48550/arXiv.2205.00745 db/journals/corr/corr2205.html#abs-2205-00745

Besmir Tola Yuming Jiang 0001 Bjarne E. Helvik Model-Driven Availability Assessment of the NFV-MANO With Software Rejuvenation. 2460-2477 2021 18 IEEE Trans. Netw. Serv. Manag. 3 https://doi.org/10.1109/TNSM.2021.3090208 db/journals/tnsm/tnsm18.html#TolaJH21

Befekadu Gezaheng Gebraselase Bjarne E. Helvik Yuming Jiang 0001 Effect of Miner Incentive on the Confirmation Time of Bitcoin Transactions. 521-529 2021 Blockchain https://doi.org/10.1109/Blockchain53845.2021.00079 conf/blockchain2/2021 db/conf/blockchain2/blockchain2021.html#GebraselaseHJ21 Michele Garau Bjarne E. Helvik Power Unavailability Reduction in Distribution Grid Fault Management with Entropy Minimization. 32-41 2021 ICSRS https://doi.org/10.1109/ICSRS53853.2021.9660625 conf/icsrs/2021 db/conf/icsrs/icsrs2021.html#GarauH21 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. 66-73 2021 ICSRS https://doi.org/10.1109/ICSRS53853.2021.9660630 conf/icsrs/2021 db/conf/icsrs/icsrs2021.html#GarauMHH21 Befekadu Gezaheng Gebraselase Bjarne E. Helvik Yuming Jiang 0001 Transaction Characteristics of Bitcoin. 544-550 2021 IM https://ieeexplore.ieee.org/document/9464007 conf/im/2021 db/conf/im/im2021.html#GebraselaseH021 Befekadu Gezaheng Gebraselase Bjarne E. Helvik Yuming Jiang 0001 An Analysis of Transaction Handling in Bitcoin. 162-172 2021 SMDS https://doi.org/10.1109/SMDS53860.2021.00030 conf/smds/2021 db/conf/smds/smds2021.html#GebraselaseHJ21

Befekadu Gezaheng Gebraselase Bjarne E. Helvik Yuming Jiang 0001 An Analysis of Transaction Handling in Bitcoin. 2021 abs/2106.10083 CoRR https://arxiv.org/abs/2106.10083 db/journals/corr/corr2106.html#abs-2106-10083

Befekadu Gezaheng Gebraselase Bjarne E. Helvik Yuming Jiang 0001 Effect of Miner Incentive on the Confirmation Time of Bitcoin Transactions. 2021 abs/2111.02725 CoRR https://arxiv.org/abs/2111.02725 db/journals/corr/corr2111.html#abs-2111-02725

Tesfaye A. Zerihun Michele Garau Bjarne E. Helvik Effect of Communication Failures on State Estimation of 5G-Enabled Smart Grid. 112642-112658 2020 8 IEEE Access https://doi.org/10.1109/ACCESS.2020.3002981 db/journals/access/access8.html#ZerihunGH20

Jacek Rak Poul E. Heegaard Bjarne E. Helvik Resilience of communication networks to random failures and disasters: An optimization perspective. 337-339 2020 75 Networks 4 https://doi.org/10.1002/net.21940 db/journals/networks/networks75.html#RakHH20

Besmir Tola Yuming Jiang 0001 Bjarne E. Helvik On the Resilience of the NFV-MANO: An Availability Model of a Cloud-native Architecture. 1-7 2020 DRCN https://doi.org/10.1109/DRCN48652.2020.1570604378 conf/drcn/2020 db/conf/drcn/drcn2020.html#TolaJH20 Andrés J. Gonzalez Jose A. Ordonez-Lucena Bjarne E. Helvik Gianfranco Nencioni Min Xie 0006 Diego R. López Pål Grønsund The Isolation Concept in the 5G Network Slicing. 12-16 2020 EuCNC https://doi.org/10.1109/EuCNC48522.2020.9200939 conf/eucnc/2020 db/conf/eucnc/eucnc2020.html#GonzalezOHNXLG20 Bjarne E. Helvik Petra Vizarreta Poul E. Heegaard Kishor S. Trivedi Carmen Mas Machuca Modelling of Software Failures. 141-172 2020 Guide to Disaster-Resilient Communication Networks https://doi.org/10.1007/978-3-030-44685-7_6 series/ccn/RH2020 db/series/ccn/RH2020.html#HelvikVHTM20 Andrzej Kamisinski Francesco Musumeci 0001 Ali Hmaity Massimo Tornatore Marco Casazza Stefano Secci Arsham Farshad David Hutchison 0001 Bjarne E. Helvik Poul E. Heegaard Resilient NFV Technology and Solutions. 675-697 2020 Guide to Disaster-Resilient Communication Networks https://doi.org/10.1007/978-3-030-44685-7_27 series/ccn/RH2020 db/series/ccn/RH2020.html#KamisinskiMHTCSFHHH20

Befekadu Gezaheng Gebraselase Bjarne E. Helvik Yuming Jiang 0001 Transaction Characteristics of Bitcoin. 2020 abs/2010.10858 CoRR https://arxiv.org/abs/2010.10858 db/journals/corr/corr2010.html#abs-2010-10858

Carlos A. Gutiérrez 0001 Carlos Eugenio Martinez-Cruz Yi Qian Iswadi Hasyim Rosma Jacek Rak Poul E. Heegaard Bjarne E. Helvik Global Communications Newsletter. 13-16 2019 57 IEEE Commun. Mag. 5 https://doi.org/10.1109/MCOM.2019.8713792 db/journals/cm/cm57.html#GutierrezMQRRHH19

Besmir Tola Gianfranco Nencioni Bjarne E. Helvik Network-Aware Availability Modeling of an End-to-End NFV-Enabled Service. 1389-1403 2019 16 IEEE Trans. Netw. Serv. Manag. 4 https://doi.org/10.1109/TNSM.2019.2948725 db/journals/tnsm/tnsm16.html#TolaNH19

Befekadu Gezaheng Gebraselase Bjarne Emil Helvik Yuming Jiang 0001 Suitability of Blockchains to Enable and Support Networking Functions: State of Art. 110-119 2019 CCIOT https://doi.org/10.1145/3361821.3361838 https://www.wikidata.org/entity/Q130892319 conf/cciot/2019 db/conf/cciot/cciot2019.html#GebraselaseH019 Besmir Tola Gianfranco Nencioni Bjarne E. Helvik Yuming Jiang 0001 Modeling and Evaluating NFV-Enabled Network Services under Different Availability Modes. 1-5 2019 DRCN https://doi.org/10.1109/DRCN.2019.8713765 conf/drcn/2019 db/conf/drcn/drcn2019.html#TolaNHJ19 Tesfaye Amare Michele Garau Bjarne E. Helvik Dependability Modeling and Analysis of 5G Based Monitoring System in Distribution Grids. 163-166 2019 VALUETOOLS https://doi.org/10.1145/3306309.3306334 conf/valuetools/2019 db/conf/valuetools/valuetools2019.html#AmareGH19

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. 3307-3329 2018 20 IEEE Commun. Surv. Tutorials 4 https://doi.org/10.1109/COMST.2018.2830648 https://www.wikidata.org/entity/Q57533251 db/journals/comsur/comsur20.html#GonzalezNKHH18

Jorik Oostenbrink Fernando A. Kuipers Poul E. Heegaard Bjarne E. Helvik Evaluating Local Disaster Recovery Strategies. 62-66 2018 46 SIGMETRICS Perform. Evaluation Rev. 2 https://doi.org/10.1145/3305218.3305241 https://www.wikidata.org/entity/Q128555892 db/journals/sigmetrics/sigmetrics46.html#OostenbrinkKHH18

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. 1090-1104 2018 15 IEEE Trans. Netw. Serv. Manag. 3 https://doi.org/10.1109/TNSM.2018.2848105 https://www.wikidata.org/entity/Q57533245 db/journals/tnsm/tnsm15.html#VizarretaTHHBKM18

Gianfranco Nencioni Rosario Giuseppe Garroppo Andrés J. Gonzalez Bjarne E. Helvik Gregorio Procissi Orchestration and Control in Software-Defined 5G Networks: Research Challenges. 6923867:1-6923867:18 2018 2018 Wirel. Commun. Mob. Comput. https://doi.org/10.1155/2018/6923867 https://www.wikidata.org/entity/Q57533246 db/journals/wicomm/wicomm2018.html#NencioniGGHP18

Tesfaye Amare Bjarne E. Helvik Poul E. Heegaard A modeling approach for dependability analysis of smart distribution grids. 1-8 2018 ICIN https://doi.org/10.1109/ICIN.2018.8401634 https://www.wikidata.org/entity/Q57533248 conf/icin/2018 db/conf/icin/icin2018.html#AmareHH18 Tesfaye Amare Bjarne E. Helvik Dependability Analysis of Smart Distribution Grid Architectures Considering Various Failure Modes. 1-6 2018 ISGT Europe https://doi.org/10.1109/ISGTEurope.2018.8571706 conf/isgteurope/2018 db/conf/isgteurope/isgteurope2018.html#AmareH18

Gianfranco Nencioni Bjarne E. Helvik Poul E. Heegaard Including Failure Correlation in Availability Modeling of a Software-Defined Backbone Network. 1032-1045 2017 14 IEEE Trans. Netw. Serv. Manag. 4 https://doi.org/10.1109/TNSM.2017.2755462 https://www.wikidata.org/entity/Q57533253 db/journals/tnsm/tnsm14.html#NencioniHH17

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. 1-9 2017 CNSM https://doi.org/10.23919/CNSM.2017.8256002 https://www.wikidata.org/entity/Q57533249 conf/cnsm/2017 db/conf/cnsm/cnsm2017.html#VizarretaTHHKM17 Andrzej Kamisinski Bjarne E. Helvik Andrés J. Gonzalez Gianfranco Nencioni Assessing the risk of violating SLA dependability requirements in software-defined networks. 270-275 2017 NFV-SDN https://doi.org/10.1109/NFV-SDN.2017.8169885 https://www.wikidata.org/entity/Q57533254 conf/nfvsdn/2017 db/conf/nfvsdn/nfvsdn2017.html#KamisinskiHGN17 Besmir Tola Yuming Jiang 0001 Bjarne E. Helvik Failure process characteristics of cloud-enabled services. 1-7 2017 RNDM https://doi.ieeecomputersociety.org/10.1109/RNDM.2017.8093033 https://www.wikidata.org/entity/Q57533258 conf/rndm/2017 db/conf/rndm/rndm2017.html#TolaJH17 Petra Vizarreta Poul E. Heegaard Bjarne Emil Helvik Wolfgang Kellerer Carmen Mas Machuca Characterization of failure dynamics in SDN controllers. 1-7 2017 RNDM https://doi.org/10.1109/RNDM.2017.8093037 https://www.wikidata.org/entity/Q57533256 conf/rndm/2017 db/conf/rndm/rndm2017.html#VizarretaHHKM17

Gianfranco Nencioni Bjarne E. Helvik Andrés J. Gonzalez Poul E. Heegaard Andrzej Kamisinski Impact of SDN Controllers Deployment on Network Availability. 2017 abs/1703.05595 CoRR http://arxiv.org/abs/1703.05595 db/journals/corr/corr1703.html#NencioniHGHK17

Gianfranco Nencioni Bjarne E. Helvik Poul E. Heegaard Implementing the Availability Model of a Software-Defined Backbone Network in Möbius. 2017 abs/1703.05942 CoRR http://arxiv.org/abs/1703.05942 db/journals/corr/corr1703.html#NencioniHH17

Eirik Larsen Følstad Bjarne E. Helvik Maximizing the reliability of dual homed, critical services in wireless/cellular networks. 110-121 2016 19 Opt. Switch. Netw. https://doi.org/10.1016/j.osn.2015.01.004 https://www.wikidata.org/entity/Q57533286 db/journals/osn/osn19.html#FolstadH16

Eirik Larsen Følstad Bjarne E. Helvik The cost for meeting SLA dependability requirements; implications for customers and providers. 136-146 2016 145 Reliab. Eng. Syst. Saf. https://doi.org/10.1016/j.ress.2015.09.011 https://www.wikidata.org/entity/Q57533265 db/journals/ress/ress145.html#FolstadH16

Gianfranco Nencioni Bjarne E. Helvik Andrés J. Gonzalez Poul E. Heegaard Andrzej Kamisinski Availability Modelling of Software-Defined Backbone Networks. 105-112 2016 DSN Workshops https://doi.org/10.1109/DSN-W.2016.28 https://doi.ieeecomputersociety.org/10.1109/DSN-W.2016.28 https://www.wikidata.org/entity/Q57533277 conf/dsn/2016w db/conf/dsn/dsn2016w.html#NencioniHGHK16 Andrés J. Gonzalez Gianfranco Nencioni Bjarne E. Helvik Andrzej Kamisinski A Fault-Tolerant and Consistent SDN Controller. 1-6 2016 GLOBECOM https://doi.org/10.1109/GLOCOM.2016.7841496 https://www.wikidata.org/entity/Q57533273 conf/globecom/2016 db/conf/globecom/globecom2016.html#GonzalezNHK16 Poul E. Heegaard Bjarne E. Helvik Kishor S. Trivedi Fumio Machida Survivability as a generalization of recovery. 133-140 2015 DRCN https://doi.org/10.1109/DRCN.2015.7149004 https://www.wikidata.org/entity/Q57533297 conf/drcn/2015 db/conf/drcn/drcn2015.html#HeegaardHTM15 Andrés J. Gonzalez Pål Grønsund Kashif Mahmood Bjarne E. Helvik Poul E. Heegaard Gianfranco Nencioni Service Availability in the NFV Virtualized Evolved Packet Core. 1-6 2015 GLOBECOM https://doi.org/10.1109/GLOCOM.2014.7417254 https://www.wikidata.org/entity/Q57533311 conf/globecom/2015 db/conf/globecom/globecom2015.html#GonzalezGMHHN15 Andrés J. Gonzalez Bjarne E. Helvik Prakriti Tiwari Denis M. Becker Otto J. Wittner GEARSHIFT: Guaranteeing availability requirements in SLAs using hybrid fault tolerance. 1373-1381 2015 INFOCOM https://doi.org/10.1109/INFOCOM.2015.7218514 https://www.wikidata.org/entity/Q57533292 conf/infocom/2015 db/conf/infocom/infocom2015.html#GonzalezHTBW15 Poul E. Heegaard Bjarne E. Helvik Veena B. Mendiratta Achieving dependability in software-defined networking - A perspective. 63-70 2015 RNDM@WMNC https://doi.org/10.1109/RNDM.2015.7324310 https://www.wikidata.org/entity/Q57533289 conf/mwcn/2015rndm db/conf/mwcn/rndm2015.html#HeegaardHM15

John Krogstie Dirk Ahlers Bjarne E. Helvik Open, Autonomous Digital Ecosystems - How to Create and Evolve Trustworthy Systems of Systems?. 2015 2015 ERCIM News 102 http://ercim-news.ercim.eu/en102/special/open-autonomous-digital-ecosystems-how-to-create-and-evolve-trustworthy-systems-of-systems db/journals/ercim/ercim2015.html#KrogstieAH15

Tesfaye A. Zerihun Bjarne E. Helvik Poul E. Heegaard John Krogstie Quantitative Modelling of Digital Ecosystems. 2015 2015 ERCIM News 102 http://ercim-news.ercim.eu/en102/special/quantitative-modelling-of-digital-ecosystems db/journals/ercim/ercim2015.html#ZerihunHHK15

Atef Abdelkefi Yuming Jiang 0001 Bjarne Emil Helvik Gergely Biczók Alexandru Calu Assessing the service quality of an Internet path through end-to-end measurement. 30-44 2014 70 Comput. Networks https://doi.org/10.1016/j.comnet.2014.04.016 https://www.wikidata.org/entity/Q57533325 db/journals/cn/cn70.html#AbdelkefiJHBC14

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. 700-713 2014 7 Secur. Commun. Networks 4 https://doi.org/10.1002/sec.773 https://www.wikidata.org/entity/Q57533322 db/journals/scn/scn7.html#ZhangFHMP14

Andrés J. Gonzalez Bjarne E. Helvik The positive impact of failures on energy efficient virtual machines consolidation. 4307-4312 2014 ICC https://doi.org/10.1109/ICC.2014.6883997 https://www.wikidata.org/entity/Q57533318 conf/icc/2014 db/conf/icc/icc2014.html#GonzalezH14

Piotr Cholda Bjarne E. Helvik Reliable network-based services. 607-610 2013 36 Comput. Commun. 6 https://doi.org/10.1016/j.comcom.2013.01.003 https://www.wikidata.org/entity/Q57533343 db/journals/comcom/comcom36.html#CholdaH13

Andrés J. Gonzalez Bjarne E. Helvik SLA success probability assessment in networks with correlated failures. 708-717 2013 36 Comput. Commun. 6 https://doi.org/10.1016/j.comcom.2012.08.007 https://www.wikidata.org/entity/Q57533347 db/journals/comcom/comcom36.html#GonzalezH13

Piotr Cholda Eirik Larsen Følstad Bjarne E. Helvik Pirkko Kuusela Maurizio Naldi Ilkka Norros Towards risk-aware communications networking. 160-174 2013 109 Reliab. Eng. Syst. Saf. https://doi.org/10.1016/j.ress.2012.08.009 https://www.wikidata.org/entity/Q57533350 db/journals/ress/ress109.html#CholdaFHKNN13

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. 847-860 2013 52 Telecommun. Syst. 2 https://doi.org/10.1007/s11235-011-9586-1 https://www.wikidata.org/entity/Q57533336 db/journals/telsys/telsys52.html#MyakotnykhWHAHKSO13

Eirik Larsen Følstad Bjarne E. Helvik Reliability modelling of access point selection and handovers in heterogeneous wireless environments. 103-110 2013 DRCN https://ieeexplore.ieee.org/document/6529848/ conf/drcn/2013 db/conf/drcn/drcn2013.html#FolstadH13 Eirik Larsen Følstad Bjarne E. Helvik Optimizing service continuity in a multi operator multi technology wireless environment. 111-118 2013 DRCN https://ieeexplore.ieee.org/document/6529850/ conf/drcn/2013 db/conf/drcn/drcn2013.html#FolstadH13a Andrés J. Gonzalez Bjarne E. Helvik Hybrid Cloud Management to Comply Efficiently with SLA Availability Guarantees. 127-134 2013 NCA https://doi.org/10.1109/NCA.2013.32 https://doi.ieeecomputersociety.org/10.1109/NCA.2013.32 https://www.wikidata.org/entity/Q57533339 conf/nca/2013 db/conf/nca/nca2013.html#GonzalezH13

Andrés J. Gonzalez Bjarne E. Helvik Characterisation of router and link failure processes in UNINETT's IP backbone network. 3-11 2012 2 Int. J. Space Based Situated Comput. 1 https://doi.org/10.1504/IJSSC.2012.045564 https://www.wikidata.org/entity/Q57533372 db/journals/ijssc/ijssc2.html#GonzalezH12

Peiqing Zhang Bjarne E. Helvik Modeling Push-based Live P2P Streaming by Stochastic Activity Networks. 236-244 2012 10 J. Digit. Inf. Manag. 4 db/journals/jdim/jdim10.html#ZhangH12

Andrés J. Gonzalez Bjarne E. Helvik System management to comply with SLA availability guarantees in cloud computing. 325-332 2012 CloudCom https://doi.org/10.1109/CloudCom.2012.6427508 https://doi.ieeecomputersociety.org/10.1109/CloudCom.2012.6427508 https://www.wikidata.org/entity/Q57533388 conf/cloudcom/2012 db/conf/cloudcom/cloudcom2012.html#GonzalezH12 Peiqing Zhang Bjarne E. Helvik Towards green P2P: Analysis of energy consumption in P2P and approaches to control. 336-342 2012 HPCS https://doi.org/10.1109/HPCSim.2012.6266934 https://www.wikidata.org/entity/Q57533357 conf/ieeehpcs/2012 db/conf/ieeehpcs/ieeehpcs2012.html#ZhangH12 Laurent Paquereau Bjarne E. Helvik Ant-Based Systems for Wireless Networks: Retrospect and Prospects. 13-23 2012 IWSOS https://doi.org/10.1007/978-3-642-28583-7_2 https://www.wikidata.org/entity/Q57533367 conf/iwsos/2012 db/conf/iwsos/iwsos2012.html#PaquereauH12 Peiqing Zhang Bjarne E. Helvik Modeling Push-Based Live P2P Streaming by Stochastic Activity Networks. 12-23 2012 NDT (2) https://doi.org/10.1007/978-3-642-30567-2_2 https://www.wikidata.org/entity/Q57533381 conf/ndt/2012-2 db/conf/ndt/ndt2012-2.html#ZhangH12

Huaiyuan Ma Bjarne E. Helvik Otto J. Wittner An impact of addressing schemes on routing scalability. 602-611 2011 13 J. Commun. Networks 6 https://doi.org/10.1109/JCN.2011.6157476 https://www.wikidata.org/entity/Q57533433 db/journals/jcn/jcn13.html#MaHW11

Stefano Secci Huaiyuan Ma Bjarne E. Helvik Jean-Louis Rougier Resilient Inter-Carrier Traffic Engineering for Internet Peering Interconnections. 274-284 2011 8 IEEE Trans. Netw. Serv. Manag. 4 https://doi.org/10.1109/TNSM.2011.110311.100064 https://www.wikidata.org/entity/Q57533447 db/journals/tnsm/tnsm8.html#SecciMHR11

Andrés J. Gonzalez Bjarne E. Helvik Analysis of Failures Characteristics in the UNINETT IP Backbone Network. 198-203 2011 AINA Workshops https://doi.org/10.1109/WAINA.2011.55 https://doi.ieeecomputersociety.org/10.1109/WAINA.2011.55 https://www.wikidata.org/entity/Q57533414 conf/aina/2011w db/conf/aina/ainaw2011.html#GonzalezH11 Peiqing Zhang Bjarne E. Helvik Modeling and analysis of P2P content distribution under coordinated attack strategies. 131-135 2011 CCNC https://doi.org/10.1109/CCNC.2011.5766437 https://www.wikidata.org/entity/Q57533420 conf/ccnc/2011 db/conf/ccnc/ccnc2011.html#ZhangH11 Andrés J. Gonzalez Bjarne E. Helvik Guaranteeing service availability in SLAs on networks with non independent failures. 30-37 2011 DRCN https://doi.org/10.1109/DRCN.2011.6076882 https://www.wikidata.org/entity/Q57533408 conf/drcn/2011 db/conf/drcn/drcn2011.html#GonzalezH11 Eirik Larsen Følstad Bjarne E. Helvik Failures and changes in cellular access networks; A study of field data. 132-139 2011 DRCN https://doi.org/10.1109/DRCN.2011.6076895 https://www.wikidata.org/entity/Q57533401 conf/drcn/2011 db/conf/drcn/drcn2011.html#FolstadH11 Laurent Paquereau Bjarne E. Helvik Ant-Based Multipath Routing for Wireless Mesh Networks. 31-40 2011 EvoApplications (2) https://doi.org/10.1007/978-3-642-20520-0_4 https://www.wikidata.org/entity/Q57533440 conf/evoW/2011a2 db/conf/evoW/evoappl2011-2.html#PaquereauH11 Laurent Paquereau Bjarne E. Helvik Opportunistic Ant-Based Path Management for Wireless Mesh Networks. 480-487 2010 ANTS Conference https://doi.org/10.1007/978-3-642-15461-4_47 https://www.wikidata.org/entity/Q57533483 conf/antsw/2010 db/conf/antsw/ants2010.html#PaquereauH10 Peiqing Zhang Bjarne E. Helvik Modeling QoS in P2P File-Sharing with Benign and Malicious Peers by Stochastic Activity Networks. 1-5 2010 CCNC https://doi.org/10.1109/CCNC.2010.5421752 https://www.wikidata.org/entity/Q57533459 conf/ccnc/2010 db/conf/ccnc/ccnc2010.html#ZhangH10 Stefano Secci Huaiyuan Ma Bjarne E. Helvik Jean-Louis Rougier A Resilient Routing Policy for Peering Management. 1-5 2010 GLOBECOM https://doi.org/10.1109/GLOCOM.2010.5683622 https://www.wikidata.org/entity/Q57533460 conf/globecom/2010 db/conf/globecom/globecom2010.html#SecciMHR10 Peiqing Zhang Bjarne E. Helvik Towards Green P2P: Understanding the Energy Consumption in P2P under Content Pollution. 332-337 2010 GreenCom/CPSCom https://doi.org/10.1109/GreenCom-CPSCom.2010.45 https://doi.ieeecomputersociety.org/10.1109/GreenCom-CPSCom.2010.45 https://www.wikidata.org/entity/Q57533492 conf/greencom/2010 db/conf/greencom/greencom2010.html#ZhangH10 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. 565-570 2010 ICUMT https://doi.org/10.1109/ICUMT.2010.5676581 https://www.wikidata.org/entity/Q57533455 conf/icumt/2010 db/conf/icumt/icumt2010.html#MyakotnykhHHKSWO10 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. 1-6 2010 IWQoS https://doi.org/10.1109/IWQoS.2010.5542733 https://www.wikidata.org/entity/Q57533479 conf/iwqos/2010 db/conf/iwqos/iwqos2010.html#MyakotnykhHWKHSO10 Andrés J. Gonzalez Bjarne E. Helvik Jon Kåre Hellan Pirkko Kuusela Analysis of Dependencies between Failures in the UNINETT IP Backbone Network. 149-156 2010 PRDC https://doi.org/10.1109/PRDC.2010.12 https://doi.ieeecomputersociety.org/10.1109/PRDC.2010.12 https://www.wikidata.org/entity/Q57533461 conf/prdc/2010 db/conf/prdc/prdc2010.html#GonzalezHHK10 Laurent Paquereau Bjarne E. Helvik Ensuring Fast Adaptation in an Ant-Based Path Management System. 24-35 2009 BIONETICS https://doi.org/10.1007/978-3-642-12808-0_3 http://eudl.eu/doi/10.1007/978-3-642-12808-0_3 https://www.wikidata.org/entity/Q57533471 conf/bionetics/2009 db/conf/bionetics/bionetics2009.html#PaquereauH09 Peiqing Zhang Bjarne E. Helvik Modeling Reputation Scheme in P2P File-Sharing by Stochastic Activity Networks. 353-358 2009 DASC https://doi.org/10.1109/DASC.2009.57 https://doi.ieeecomputersociety.org/10.1109/DASC.2009.57 https://www.wikidata.org/entity/Q57533547 conf/dasc/2009 db/conf/dasc/dasc2009.html#ZhangH09 Piotr Cholda Anders Mykkeltveit Bjarne E. Helvik Andrzej Jajszczyk Continuity-based resilient communication. 335-342 2009 DRCN https://doi.org/10.1109/DRCN.2009.5339987 https://www.wikidata.org/entity/Q57533531 conf/drcn/2009 db/conf/drcn/drcn2009.html#CholdaMHJ09 Eirik Larsen Følstad Bjarne E. Helvik Managing availability in wireless inter domain access. 1-6 2009 ICUMT https://doi.org/10.1109/ICUMT.2009.5345550 https://www.wikidata.org/entity/Q57533501 conf/icumt/2009 db/conf/icumt/icumt2009.html#FolstadH09 Eugene S. Myakotnykh Bjarne E. Helvik Analysis of evolution scenarios for end-to-end quality of services provisioning in the internet. 1-5 2009 ICUMT https://doi.org/10.1109/ICUMT.2009.5345597 https://www.wikidata.org/entity/Q57533497 conf/icumt/2009 db/conf/icumt/icumt2009.html#MyakotnykhH09 Marie Elisabeth Gaup Moe Bjarne E. Helvik Svein J. Knapskog Comparison of the Beta and the Hidden Markov Models of Trust in Dynamic Environments. 283-297 2009 IFIPTM https://doi.org/10.1007/978-3-642-02056-8_18 https://www.wikidata.org/entity/Q57533526 conf/ifiptm/2009 db/conf/ifiptm/ifiptm2009.html#MoeHK09 Anders Mykkeltveit Bjarne E. Helvik Adaptive management of connections to meet availability guarantees in SLAs. 545-552 2009 Integrated Network Management https://doi.org/10.1109/INM.2009.5188860 https://www.wikidata.org/entity/Q57533505 conf/im/2009 db/conf/im/im2009.html#MykkeltveitH09 Laurent Paquereau Bjarne E. Helvik Revisiting the Auto-Regressive Functions of the Cross-Entropy Ant System. 137-148 2009 IWSOS https://doi.org/10.1007/978-3-642-10865-5_12 https://www.wikidata.org/entity/Q57533562 conf/iwsos/2009 db/conf/iwsos/iwsos2009.html#PaquereauH09 Huaiyuan Ma Otto J. Wittner Bjarne E. Helvik A Stochastic Clustering Algorithm for Swarm Compact Routing. 1-8 2009 NGI https://doi.org/10.1109/NGI.2009.5175753 https://www.wikidata.org/entity/Q57533514 conf/ngi/2009 db/conf/ngi/ngi2009.html#MaWH09 Huaiyuan Ma Bjarne E. Helvik Otto J. Wittner A Compact Routing Scheme with Lower Stretch. 1-5 2009 NTMS https://doi.org/10.1109/NTMS.2009.5384777 https://www.wikidata.org/entity/Q57533510 conf/ntms/2009 db/conf/ntms/ntms2009.html#MaHW09

Hein Meling Alberto Montresor Bjarne E. Helvik Özalp Babaoglu Jgroup/ARM: a distributed object group platform with autonomous replication management. 885-923 2008 38 Softw. Pract. Exp. 9 https://doi.org/10.1002/spe.853 https://www.wikidata.org/entity/Q57533582 db/journals/spe/spe38.html#MelingMHB08

Anders Mykkeltveit Bjarne E. Helvik Comparison of Schemes for Provision of Differentiated Availability-Guaranteed Services Using Dedicated Protection. 78-86 2008 ICN https://doi.org/10.1109/ICN.2008.41 https://doi.ieeecomputersociety.org/10.1109/ICN.2008.41 https://www.wikidata.org/entity/Q57533571 conf/icn/2008 db/conf/icn/icn2008.html#MykkeltveitH08 Marie Elisabeth Gaup Moe Bjarne E. Helvik Svein J. Knapskog TSR: trust-based secure MANET routing using HMMs. 83-90 2008 Q2SWinet https://doi.org/10.1145/1454586.1454602 https://www.wikidata.org/entity/Q57533600 conf/mswim/2008q db/conf/mswim/q2swinet2008.html#MoeHK08 Crina Grosan Ajith Abraham Bjarne E. Helvik Building Multiobjective Resilient Networks. 204-209 2008 UKSim https://doi.org/10.1109/UKSIM.2008.31 https://doi.ieeecomputersociety.org/10.1109/UKSIM.2008.31 https://www.wikidata.org/entity/Q57533568 conf/uksim/2008 db/conf/uksim/uksim2008.html#GrosanAH08 Laurent Paquereau Bjarne E. Helvik Simulation of wireless multi-* networks in NS-2. 73 2008 VALUETOOLS https://doi.org/10.4108/ICST.VALUETOOLS2008.4398 http://dl.acm.org/citation.cfm?id=1537050 https://www.wikidata.org/entity/Q57533589 conf/valuetools/2008 db/conf/valuetools/valuetools2008.html#PaquereauH08

Piotr Cholda Anders Mykkeltveit Bjarne E. Helvik Otto J. Wittner Andrzej Jajszczyk A survey of resilience differentiation frameworks in communication networks. 32-55 2007 9 IEEE Commun. Surv. Tutorials 1-4 https://doi.org/10.1109/COMST.2007.4444749 https://www.wikidata.org/entity/Q57533610 db/journals/comsur/comsur9.html#CholdaMHWJ07

Anders Mykkeltveit Bjarne E. Helvik Provision of connection-specific availability guarantees in communication networks. 1-8 2007 DRCN https://doi.org/10.1109/DRCN.2007.4762267 https://www.wikidata.org/entity/Q57533604 conf/drcn/2007 db/conf/drcn/drcn2007.html#MykkeltveitH07

Frank Yong Li Norvald Stol Bjarne E. Helvik Conformance deterioration in QoS networks: Phenomenon, analysis and elimination. 2112-2126 2006 50 Comput. Networks 12 https://doi.org/10.1016/j.comnet.2005.09.031 https://www.wikidata.org/entity/Q57533648 db/journals/cn/cn50.html#LiSH06

Karin Sallhammar Bjarne E. Helvik Svein J. Knapskog On Stochastic Modeling for Integrated Security and Dependability Evaluation. 31-42 2006 1 J. Networks 5 https://doi.org/10.4304/jnw.1.5.31-42 https://www.wikidata.org/entity/Q57533654 db/journals/jnw/jnw1.html#SallhammarHK06

Karin Sallhammar Bjarne E. Helvik Svein J. Knapskog Towards a Stochastic Model for Integrated Security and Dependability Evaluation. 156-165 2006 conf/IEEEares/2006 ARES https://doi.org/10.1109/ARES.2006.137 https://doi.ieeecomputersociety.org/10.1109/ARES.2006.137 https://www.wikidata.org/entity/Q57533658 db/conf/IEEEares/ares2006.html#SallhammarHK06 Karin Sallhammar Bjarne E. Helvik Svein J. Knapskog A Game-Theoretic Approach to Stochastic Security and Dependability Evaluation. 61-68 2006 conf/dasc/2006 DASC https://doi.org/10.1109/DASC.2006.7 https://doi.ieeecomputersociety.org/10.1109/DASC.2006.7 https://www.wikidata.org/entity/Q57533633 db/conf/dasc/dasc2006.html#SallhammarHK06 Poul E. Heegaard Otto J. Wittner Bjarne E. Helvik Self-Management of Virtual Paths in Dynamic Networks. 417-432 2005 conf/bertinoro/2005 Self-star Properties in Complex Information Systems https://doi.org/10.1007/11428589_27 https://www.wikidata.org/entity/Q57533688 db/conf/bertinoro/selfstar2005.html#HeegaardWH05 Karin Sallhammar Bjarne E. Helvik Svein J. Knapskog Incorporating Attacker Behavior in Stochastic Models of Security. 79-85 2005 conf/csreaSAM/2005 Security and Management db/conf/csreaSAM/csreaSAM2005.html#SallhammarHK05 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. 141-148 2005 DRCN https://doi.org/10.1109/DRCN.2005.1563857 https://www.wikidata.org/entity/Q57533677 conf/drcn/2005 db/conf/drcn/drcn2005.html#AndreassenSBHHW05 Otto J. Wittner Bjarne E. Helvik Victor Nicolat Internet failure protection using hamiltonian p-cycles found by ant-like agents. 437-444 2005 DRCN https://doi.org/10.1109/DRCN.2005.1563904 https://www.wikidata.org/entity/Q57533682 conf/drcn/2005 db/conf/drcn/drcn2005.html#WittnerHN05 Bjarne E. Helvik Hein Meling Alberto Montresor An Approach to Experimentally Obtain Service Dependability Characteristics of the Jgroup/ARM System. 179-198 https://doi.org/10.1007/11408901_13 https://www.wikidata.org/entity/Q57533667 2005 conf/edcc/2005 EDCC db/conf/edcc/edcc2005.html#HelvikMM05 Karin Sallhammar Svein J. Knapskog Bjarne E. Helvik Using Stochastic Game Theory to Compute the Expected Behavior of Attackers. 102-105 2005 conf/saint/2005w SAINT Workshops https://doi.org/10.1109/SAINTW.2005.1619988 https://doi.ieeecomputersociety.org/10.1109/SAINTW.2005.116 db/conf/saint/saint2005w.html#SallhammarKH05 Poul E. Heegaard Bjarne E. Helvik Ragnar Ø. Andreassen Application of rare event techniques to trace driven simulation. 509-518 2005 conf/wsc/2005 WSC https://doi.org/10.1109/WSC.2005.1574289 http://dl.acm.org/citation.cfm?id=1162797 https://www.wikidata.org/entity/Q57533673 db/conf/wsc/wsc2005.html#HeegaardHA05

Otto J. Wittner Bjarne E. Helvik Distributed soft policy enforcement by swarm intelligence; application to loadsharing and protection. 10-24 2004 59 Ann. des Télécommunications 1-2 https://doi.org/10.1007/BF03179671 db/journals/adt/adt59.html#WittnerH04

Hein Meling Bjarne E. Helvik Performance consequences of inconsistent client-side membership information in the open group model. 777-782 2004 IPCCC https://doi.org/10.1109/PCCC.2004.1395180 https://doi.ieeecomputersociety.org/10.1109/PCCC.2004.1395180 https://www.wikidata.org/entity/Q57533795 conf/ipccc/2004 db/conf/ipccc/ipccc2004.html#MelingH04 Finn Arve Aagesen Chutiporn Anutariya Mazen Malek Shiaa Bjarne E. Helvik Paramai Supadulchai A dynamic configuration architecture. 893-894 2004 NOMS (1) https://doi.org/10.1109/NOMS.2004.1317786 https://www.wikidata.org/entity/Q57533765 conf/noms/2004 db/conf/noms/noms2004.html#AagesenASHS04 Otto J. Wittner Poul E. Heegaard Bjarne E. Helvik Scalable distributed discovery of resource paths in telecommunication networks using cooperative ant-like agents. 1456-1465 2003 IEEE Congress on Evolutionary Computation https://doi.org/10.1109/CEC.2003.1299842 https://www.wikidata.org/entity/Q57533714 conf/cec/2003 db/conf/cec/cec2003.html#WittnerHH03 Otto J. Wittner Bjarne E. Helvik Cross-Entropy Guided Ant-Like Agents Finding Cyclic Paths in Scarcely Meshed Networks. 123-134 2002 conf/antalg/2002 Ant Algorithms https://doi.org/10.1007/3-540-45724-0_11 https://www.wikidata.org/entity/Q57533729 db/conf/antalg/antalg2002.html#WittnerH02 Otto J. Wittner Bjarne E. Helvik Cross entropy guided ant-like agents finding dependable primary/backup path patterns in networks. 1528-1533 2002 IEEE Congress on Evolutionary Computation https://doi.org/10.1109/CEC.2002.1004469 https://www.wikidata.org/entity/Q57533723 conf/cec/2002 db/conf/cec/cec2002.html#WittnerH02 Otto J. Wittner Bjarne E. Helvik Robust Implementation of policies using ant-like agents. 153-164 2002 conf/ifip6-2/2002 Net-Con db/conf/ifip6-2/ifip6-2-2002.html#WittnerH02 Bjarne E. Helvik Otto J. Wittner Using the Cross-Entropy Method to Guide/Govern Mobile Agent's Path Finding in Networks. 255-268 https://doi.org/10.1007/3-540-44651-6_24 https://www.wikidata.org/entity/Q57533740 2001 conf/mata/2001 MATA db/conf/mata/mata2001.html#HelvikW01 Otto J. Wittner Bjarne E. Helvik C. J. E. Holper Failure semantics of mobile agent systems involved in network fault management. 939-940 2000 NOMS https://doi.org/10.1109/NOMS.2000.830446 conf/noms/2000 db/conf/noms/noms2000.html#WittnerHH00 Bjarne E. Helvik Dependability Issues in Smart Networks. 53-76 1999 conf/smartnet/1999 SMARTNET db/conf/smartnet/smartnet1999.html#Helvik99 https://doi.org/10.1007/978-0-387-35581-8_6 https://www.wikidata.org/entity/Q57533743 Finn Arve Aagesen Bjarne E. Helvik Vilas Wuwongse Hein Meling Rolv Bræk Ulrik Johansen Towards a Plug and Play Architecture for Telecommunications. 321-334 1999 conf/smartnet/1999 SMARTNET db/conf/smartnet/smartnet1999.html#AagesenHWMBJ99 https://doi.org/10.1007/978-0-387-35581-8_25 https://www.wikidata.org/entity/Q57533746 Bjarne E. Helvik Ole Melteig Leif Morland The Synthesized Traffic Generator; Objectives, Design and Capabilities. 287-302 1993 conf/broadband/1993 Integrated Broadband Communications db/conf/broadband/broadband1993.html#HelvikMM93 Bjarne E. Helvik Modelling the influence of unreliable software in distributed computer systems. 136-141 1988 FTCS https://doi.org/10.1109/FTCS.1988.5311 https://www.wikidata.org/entity/Q57533787 conf/ftcs/1988 db/conf/ftcs/ftcs1988.html#Helvik88

Edvin Bredrup Kåre Evensen Bjarne Emil Helvik Anders Rygh Swensen The Activity-Dependent Failure Intensity of SPC Systems-Some Empirical Results. 1052-1059 1986 4 IEEE J. Sel. Areas Commun. 7 https://doi.org/10.1109/JSAC.1986.1146437 https://www.wikidata.org/entity/Q57533757 db/journals/jsac/jsac4.html#BredrupEHS86

Finn Arve Aagesen Atef Abdelkefi Ajith Abraham Charles M. Adrah Dirk Ahlers Sigurd M. AlbrektsenSigurd Mørkved Albrektsen Tesfaye Amare Ragnar Ø. Andreassen Chutiporn Anutariya Henrik Austad Özalp Babaoglu Denis M. Becker Gergely Biczók Steinar Bjørnstad Andreas Blenk Rolv Bræk Edvin Bredrup Torleiv H. BryneTorleiv Håland Bryne Alexandru Calu Marco Casazza Piotr Cholda Kåre Evensen Arsham Farshad Eirik Larsen Følstad Nikos Fotiou Michele Garau Rosario Giuseppe Garroppo Befekadu Gezaheng Gebraselase Andrés J. Gonzalez Kristoffer Nyborg Gregertsen Pål Grønsund Crina Grosan Carlos A. Gutiérrez-Díaz-de-LeónCarlos A. Gutiérrez 0001 Poul E. Heegaard Jon Kåre Hellan Sverre Hendseth Ali Hmaity Erik Hodne C. J. E. Holper David Hutchison 0001 Andrzej Jajszczyk Erling Rennemo Jellum Yuming Jiang 0001 Ulrik Johansen Andrzej Kamisinski Wolfgang Kellerer Svein J. Knapskog John Krogstie Fernando A. Kuipers Pirkko Kuusela Olav Kvittem Frank Yong Li Diego R. López Huaiyuan Ma Fumio Machida Carmen Mas Machuca Kashif Mahmood Giannis F. Marias Carlos Eugenio Martinez-Cruz Geir Mathisen Hein Meling Ole Melteig Veena B. Mendiratta Marie Elisabeth Gaup Moe Alberto Montresor Leif Morland Romina Muka Francesco Musumeci 0001 Eugene S. Myakotnykh Anders Mykkeltveit Maurizio Naldi Gianfranco Nencioni Victor Nicolat Ilkka Norros Jorik Oostenbrink Jose A. Ordonez-Lucena Arne Øslebø Laurent Paquereau George C. Polyzos Gregorio Procissi Yi Qian Jacek Rak Iswadi Hasyim Rosma Jean-Louis Rougier Karin Sallhammar Stefano Secci Mazen Malek Shiaa Trond Skjesol Norvald Stol Aasmund Sudbö Paramai Supadulchai Anders Rygh Swensen Prakriti Tiwari Besmir Tola Massimo Tornatore Kishor S. Trivedi Petra Vizarreta Sigbjörn Wikshaland Otto J. Wittner Vilas Wuwongse Min Xie 0006 Tesfaye A. Zerihun Peiqing Zhang Evi Zouganeli