2019

• Faglig foredrag
  Helvik, Bjarne Emil. (2019) Challenges with 5G Networks as a Base for Critical Infrastucture. Mobil Agenda; fagseminar: 5G sikkerhet . Mobil Agenda; Simula Research Laboratory, Oslo - Fornebu. 2019-06-13 - 2019-06-13.

2018

• Vitenskapelig foredrag
  Esposito, Christian; Gouglidis, Antonios; Hutchison, David; Gurtov, Andrei; Helvik, Bjarne Emil; Heegaard, Poul Einar; Rizzo, Gianluca; Rak, Jacek. (2018) On the Disaster Resiliency within the Context of 5G Networks: The RECODIS Experience. European Conference on Networks and Communications [EuCNC 2018] ; Ljubljana. 2018-06-18 - 2018-06-21.

2015

• Vitenskapelig foredrag
  Helvik, Bjarne Emil. (2015) Keynote: Dependability of Non-engineered and Unmanaged System of Systems. 7th International Workshop on Reliable Networks Design and Modeling [RNDM 2015] . IFIP TC6, IEEE Com. Soc. and more; Münich. 2015-10-05 - 2015-10-05.

2014

• Vitenskapelig foredrag
  Følstad, Eirik Larsen; Helvik, Bjarne Emil. (2014) Using genetic algorithms to improve the reliability of dual homed wireless critical services. 6th International Workshop on Reliable Networks Design and Modeling [RNDM'14] ; Barcelona. 2014-11-17 - 2014-11-19.
• Populærvitenskapelig foredrag
  Gonzales, Andres; Helvik, Bjarne Emil. (2014) Robust Telecommunication Services - As vital as water and electricity?. Telenor Research Breakfast Meeting . Telenor Research; Fornebu, Broadcasted to the Telenor Group word-wide. 2014-06-20 - 2014-06-20.

2013

• Vitenskapelig foredrag
  Følstad, Eirik Larsen; Helvik, Bjarne Emil. (2013) Optimizing service continuity in a multi operator multi technology wireless environment. Design of Reliable Communication Networks (DRCN), 2013 9th International Conference ; Budapest. 2013-03-04 - 2013-03-07.
• Vitenskapelig foredrag
  Følstad, Eirik Larsen; Helvik, Bjarne Emil. (2013) Reliability modelling of access point selection and handovers in heterogeneous wireless environments. Design of Reliable Communication Networks (DRCN), 2013 9th International Conference ; Budapest. 2013-03-04 - 2013-03-07.

2012

• Vitenskapelig foredrag
  Følstad, Eirik Larsen; Helvik, Bjarne Emil. (2012) Finnes det garanti mot nedetid i dag og i fremtiden?. Digitale telenett - Teleforum på Kursdagene . Tekna; Trondheim. 2012-01-05 - 2012-01-06.
• Vitenskapelig foredrag
  Zhang, Peiqing; Helvik, Bjarne Emil. (2012) Modeling Push-Based Live P2P Streaming by Stochastic Activity Networks. 4th International Conference on Networked Digital Technologies ; 2012-04-24 - 2012-04-26.
• Vitenskapelig foredrag
  Zhang, Peiqing; Helvik, Bjarne Emil. (2012) Towards green P2P: Analysis of energy consumption in P2P and approaches to control. the 2012 International Conference on High Performance Computing and Simulation, HPCS 2012 ; 2012-07-02 - 2012-07-06.

2011

• Vitenskapelig foredrag
  Følstad, Eirik Larsen; Helvik, Bjarne Emil. (2011) Dependability in mobile access networks. Workshop on Traffic Engineering and Dependability in the Network of the Future . NTNU/Q2S; Trondheim. 2011-06-21 - 2011-06-22.
• Vitenskapelig foredrag
  Følstad, Eirik Larsen; Helvik, Bjarne Emil. (2011) Failures and changes in cellular access networks; A study of field data. Design of Reliable Netwokrs, 8th International Workshop ; Krakow. 2011-10-10 - 2011-10-12.
• Vitenskapelig foredrag
  Gonzalez, Andres Javier; Helvik, Bjarne Emil. (2011) Analysis of Failures Characteristics in the UNINETT IP Backbone Network. IEEE Workshops of International Conference on Advanced Information Networking and Applications (WAINA), 2011 ; 2011-03-22 - 2011-03-25.
• Vitenskapelig foredrag
  Gonzalez, Andres Javier; Helvik, Bjarne Emil. (2011) Stochastic Optimization for Allocate Connections under SLAs Guarantees. Workshop on Traffic Engineering and Dependability in the Network of the Future . NTNU; Trondheum. 2011-06-20 - 2011-06-21.
• Vitenskapelig foredrag
  Zhang, Peiqing; Helvik, Bjarne Emil. (2011) Modeling and analysis of P2P content distribution under coordinated attack strategies. IEEE Consumer Communications and Networking Conference [CCNC 2011]; . IEEE Communication Society; Las Vegas, NV. 2011-01-08 - 2011-01-11.

2010

• Vitenskapelig foredrag
  Secci, Stefano; Ma, Huaiyuan; Helvik, Bjarne Emil; Rougier, Jean-Louis. (2010) A Resilient Routing Policy for Peering Management. GLOBECOM 2010 ; 2010-12-06 - 2010-12-10.
• Vitenskapelig foredrag
  Følstad, Eirik Larsen; Helvik, Bjarne Emil. (2010) Determining dependencies in multi technology inter domain wireless access; A case study. Globecom - Workshop on Mobile Computing and Emerging Communication Networks. . Globecom; Miami. 2010-12-10 - 2010-12-10.
• Vitenskapelig foredrag
  Gonzalez, Andres Javier; Helvik, Bjarne Emil. (2010) Analysis of Dependencies Between Failures in the UNINETT IP Backbone Network. IEEE Pacific Rim International Symposium on Dependable Computing, PRDC 2010 ; 2010-12-13 - 2010-12-15.
• Vitenskapelig foredrag
  Gonzalez, Andres Javier; Helvik, Bjarne Emil. (2010) Correlation Between Failure Events and Geographical Distance in the UNINETT IP Backbone Network. Euro-NF workshop IA.7.3 . Euro-NF; 2010-04-15 - 2010-04-16.
• Vitenskapelig foredrag
  Gonzalez, Andres Javier; Helvik, Bjarne Emil. (2010) Dynamic Sharing Mechanism for Guaranteed Availability in MPLS Based Networks. IEEE International Workshop Technical Committee on Communications Quality and Reliability, CQR 2010 ; 2010-06-08 - 2010-06-10.
• Vitenskapelig foredrag
  Myakotnykh, Evgeniy; Helvik, Bjarne Emil. (2010) Measurement and Analysis of End-to-end Dependability Characteristics in the Global Network. 18th International Workshop on Quality of Service (IWQoS), 2010 ; Beijing. 2010-06-16 - 2010-06-18.
• Vitenskapelig foredrag
  Myakotnykh, Evgeniy; Helvik, Bjarne Emil; Hellan, Jon Kåre. (2010) Measurement and Analysis of End-to-end Dependability Characteristics in the Global Network. Euro-NF Workshop on Traffic Engineering and Dependability in the Network of the Future . Euro-NF; Warsaw. 2010-04-15 - 2010-04-16.
• Vitenskapelig foredrag
  Zhang, Peiqing; Helvik, Bjarne Emil. (2010) Modeling QoS in P2P File-sharing with Benign and Malicious Peers by Stochastic Activity Networks. 7th IEEE Consumer Communications and Networking Conference ; Las Vegas. 2010-01-09 - 2010-01-12.
• Vitenskapelig foredrag
  Zhang, Peiqing; Helvik, Bjarne Emil. (2010) Towards Green P2P: Understanding the Energy Consumption in P2P under Content Pollution. 2010 IEEE/ACM International Conference on Green Computing and Communications (GreenCom 2010); EaCN-2010/GreenCom ; 2010-12-18 - 2010-12-20.

2009

• Vitenskapelig foredrag
  Følstad, Eirik Larsen; Helvik, Bjarne Emil. (2009) Managing availability in wireless inter domain access. Ultra Modern Telecommunications & Workshops, 2009. ICUMT '09. International Conference on ; 2009-10-13 - 2009-10-14.
• Vitenskapelig foredrag
  Helvik, Bjarne Emil. (2009) Differentiated dependability in one network?. NTVA Technology Forum 2009 . NTVA - Norges Tekniske Vitenskapsakademi; Trondheim. 2009-09-09 - 2009-09-09.
• Vitenskapelig foredrag
  Moe, Marie Elisabeth Gaup; Helvik, Bjarne Emil; Knapskog, Svein Johan. (2009) Comparison of the Beta and the Hidden Markov Models of Trust in Dynamic Environments. Third IFIP WG 11.11 International Conference, IFIPTM 2009 ; West Lafayette, IN. 2009-06-15 - 2009-06-19.
• Vitenskapelig foredrag
  Mykkeltveit, Anders; Helvik, Bjarne Emil. (2009) Adaptive management of connections to meet availability guarantees in SLAs. IM 2009 Mini-conference . IEEE/IFIP; Hofstra University, Long Island, New York. 2009-06-01 - 2009-06-05.
• Vitenskapelig foredrag
  Zhang, Peiqing; Helvik, Bjarne Emil. (2009) Modeling Reputation Scheme in P2P File-sharing by Stochastic Activity Networks. The 8th IEEE International Conference on Dependable, Autonomic and Secure Computing ; Chengdu. 2009-12-12 - 2009-12-14.

2008

• Vitenskapelig foredrag
  Mykkeltveit, Anders; Helvik, Bjarne Emil. (2008) Comparison of Schemes for Provision of Differentiated Availability-guaranteed Services Using Dedicated Protection. Seventh International Conference on Networking (ICN) . IARIA; Cancun. 2008-04-13 - 2008-04-18.
• Vitenskapelig foredrag
  Mykkeltveit, Anders; Helvik, Bjarne Emil. (2008) On Provision of Availability Guarantees Using Shared Protection. 12th Conference on Optical Network Design and Modelling (ONDM) . IFIP; Vilanova la Geltru. 2008-03-12 - 2008-03-14.

2007

• Vitenskapelig foredrag
  Grosan, Crina; Abraham, Ajith; Helvik, Bjarne Emil. (2007) Multiobjective Evolutionary Algorithms for Sceduling Jobs on Computational Grids. International Conference, Applied Computing 2007 ; 2007-02-18 - 2007-02-20.
• Vitenskapelig foredrag
  Mykkeltveit, Anders; Helvik, Bjarne Emil. (2007) On provision of guaranteed availability using dedicated protection. EuroFGI Workshop on Traffic Engineering, Protection and Restoration for FGI . EuroFGI / Telenor; Fornebu/Oslo. 2007-09-27 - 2007-10-27.
• Vitenskapelig foredrag
  Mykkeltveit, Anders; Helvik, Bjarne Emil. (2007) Provision of connection-specific availability guarantees in communication networks. 6th International Workshop on Design of Reliable Communication Networks (DRCN 2007) ; La Rochelle. 2007-10-07 - 2007-10-10.

2006

• Vitenskapelig foredrag
  Gan, Qitao; Helvik, Bjarne Emil. (2006) Dependability Modelling and Analysis of Networks as Taking Routing and Traffic into Account. 2nd EURO-NGI Conference on Next Generation Internet Design and Engineering ; Valencia. 2006-04-03 - 2006-04-05.
• Vitenskapelig foredrag
  Gan, Qitao; Helvik, Bjarne Emil; Wittner, Otto Jonassen. (2006) A Hybrid Modelling Approach for Analyzing Service Availability with Shared Path Protection in IP Networks. 10th International Conference on Communication Technology ; Guilin. 2006-11-27 - 2006-11-30.
• Vitenskapelig foredrag
  Gan, Qitao; Helvik, Bjarne Emil; Wittner, Otto Jonassen. (2006) Refined Classification of Service Unavailability for Comparison: Shared Path Protection vs. Rerouting. 10th International Conference on Communication Technology ; Guilin. 2006-11-27 - 2006-11-30.
• Vitenskapelig foredrag
  Helvik, Bjarne Emil. (2006) Swarm-based routing to achieve dependable networks. Dependability of all-IP networks; A multi-disciplinary workshop . VTT; Espoo (Helsinki). 2006-05-18 - 2006-05-19.
• Intervju
  Helvik, Bjarne Emil. (2006) Tele og dataproblemer St Olav Hospital; Kan vi stole på tele og datasystemer? [Ordskifte - Aktalitetsprogram NRK1-Trøndelag]. Trondheim [Radio]. 2006-06-20.
• Vitenskapelig foredrag
  Mykkeltveit, Anders; Helvik, Bjarne Emil. (2006) Application of the RESTART/Splitting Technique in Object-Oriented Simulation. 6th International Workshop on Rare Event Simulation . University of Bamberg; Bamberg. 2006-10-08 - 2006-10-10.
• Vitenskapelig foredrag
  Mykkeltveit, Anders; Helvik, Bjarne Emil. (2006) Prospects for dependability differentiation in interdomain networks. EuroNGI Workshop on Traffic Engineering, Protection and Restoration for NGI . EuroNGI/AGH University of Science and Technology; Krakow. 2006-05-04 - 2006-05-05.
• Vitenskapelig foredrag
  Sallhammar, Karin; Helvik, Bjarne Emil; Knapskog, Svein Johan. (2006) A Game-theoretic Approach to Stochastic Security and Dependability Evaluation. The 2nd IEEE International Symposium on Dependable, Autonomic and Secure Computing (DASC'06) ; Indiana. 2006-09-29 - 2006-10-01.
• Vitenskapelig foredrag
  Zouganeli, Evi, Paraskevi; Andreassen, Ragnar; Feng, Boning; Solem, Astrid; Stol, Norvald; Sudbø, Aasmund Sveinung; Kjønsberg, Heidi; Helvik, Bjarne; Bjørnstad, Steinar; Haugen, Rolf B. (2006) Optical packets or electrical packets? An assessment of the viability of optical packet/burst switching. Northern Optics 2006 . Norsk Fysisk Selskap; Radisson SAS Hotel Norge, Bergen. 2006-06-14 - 2006-06-16.

2005

• Vitenskapelig foredrag
  Andreassen, Ragnar; Sudbø, Aasmund Sveinung; Bjørnstad, Steinar; Helvik, Bjarne; Hodne, E; Wikshåland, S; Zouganeli, Evi. (2005) Fault tolerance in a TWC/AWG based optical burst switching node architecture. 5th International Workshop on Design of Reliable Communication Networks (DRCN2005) . Telecom Lab Italia; Napoli. 2005-10-16 - 2005-10-19.
• Vitenskapelig foredrag
  Bjørnstad, Steinar; Sudbø, Aasmund Sveinung; Andreassen, Ragnar; Zouganeli, Evi; Stol, Norvald; Helvik, Bjarne. (2005) Node redundancy in optical burst and packet switched networks. COST 291 workshop on “Issues and Challenges in Optical Networking . COST 291; Barcelona. 2005-06-03 - 2005-06-06.
• Vitenskapelig foredrag
  Cholda, Piotr; Jajszczyk, Andrzej; Helvik, Bjarne Emil; Mykkeltveit, Anders. (2005) Service Differentiation Based on Recovery Methods. EURO NGI Workshop on Traffic Engineering, Protection and Restoration ; Roma. 2005-04-21 - 2005-04-23.
• Vitenskapelig foredrag
  Gan, Qitao; Helvik, Bjarne Emil. (2005) Limiting the State Space Explosion as Taking Dynamic Issues into Account in Network Modelling and Analysis. The second Norwegian Network Research Seminar . UiO, Simula Research Laboratory; Fornebu. 2005-10-27 - 2005-10-28.
• Vitenskapelig foredrag
  Heegaard, Poul Einar; Helvik, Bjarne Emil; Andreassen, Ragnar. (2005) Application of Rare Event Techniques to Trace Driven Simulation. Winter Simulation Conference 2005 . WSC Foundation INFORMS/IEEE/ACM; Orlando. 2005-12-04 - 2005-12-07.
• Vitenskapelig foredrag
  Helvik, Bjarne E.; Meling, Hein; Montresor, Alberto. (2005) An approach to experimentally obtain service dependability characteristics of the Jgroup/ARM system. Dependable Computing - EDCC 2005: 5th European Dependable Computing Conference ; Budapest, Hungary. 2005-04-20 - 2005-04-22.
• Vitenskapelig foredrag
  Helvik, Bjarne Emil; Meling, Hein; Montresor, Alberto. (2005) An approach to experimentally obtain service dependability characteristics of the Jgroup/ARM system. In European Dependable Computing Conference (EDCC-5).Springer Verlag. ; Budapest. 2005-04-20 - 2005-04-22.
• Vitenskapelig foredrag
  Sallhammar, Karin; Helvik, Bjarne Emil; Knapskog, Svein Johan. (2005) Incorporating Attacker Behavior in Stochastic Models of Security. Proceedings of the 2005 International Conference on Security and Management (SAM'05) ; Las Vegas. 2005-06-20 - 2005-06-22.
• Vitenskapelig foredrag
  Sallhammar, Karin; Knapskog, Svein Johan; Helvik, Bjarne Emil. (2005) Using Stochastic Game Theory to Compute the Expected Behavior of Attackers. The International Symposium on Applications and the Internet (SAINT 2005) Workshops ; Trento. 2005-02-01 - 2005-02-03.
• Vitenskapelig foredrag
  Wittner, Otto; Helvik, Bjarne Emil; Nicola, Victor Fouad. (2005) Internet Failure Protection using Hamiltonian p-Cycles found by Ant-like Agents. The 5th International Workshop on Design of Reliable Communication Networks (DRCN2005) ; Island of Ischia. 2005-10-16 - 2005-10-18.
• Vitenskapelig foredrag
  Zouganeli, Evi; Andreassen, Ragnar; Feng, Boning; Stol, Norvald; Solem, Astrid; Helvik, Bjarne Emil; Sudbø, Aasmund; Haugen, Rolf B.. (2005) Optical packets, circuits, or packets and circuits: Viablility of optical packet/burst switching. The 10th OptoElectronics and Communications Conference (OECC 2005) ; Seoul. 2005-07-04 - 2005-07-08.
• Vitenskapelig foredrag
  Zouganeli, Evi; Andreassen, Ragnar; Feng, Boning; Stol, Norvald; Solem, Astrid; Helvik, Bjarne; Sudbø, Aasmund Sveinung; Haugen, Rolf B. (2005) Optical packets, circuits, or packets and circuits: Viability of optical packet/burst switching. Opto-electronics and Communications Conference (OECC 2005) . Optical Society of Korea; Seoul. 2005-07-04 - 2005-07-08.
• Vitenskapelig foredrag
  Andreassen, Ragnar; Helvik, Bjarne Emil; Sudbø, Aasmund; Zouganeli, Evi. (2005) A study of fault tolerant architectures for electronic in- and egress interconnections in optical burst/packet switched networks. 9th Conference on Optical Network Design and Modelling (ONDM 2005) ; Milano. 2005-02-07 - 2005-02-09.
• Vitenskapelig foredrag
  Andreassen, Ragnar; Helvik, Bjarne; Sudbø, Aasmund Sveinung; Zouganeli, Evi, Paraskevi. (2005) A Study of Fault Tolerant Architectures for Electronic In- and Egress Interconnections in Optical Burst/Packet Switched Networks. Ninth Conference on Optical Network Design and Modelling (ONDM) . Politecnico di Milano; Milano. 2005-02-07 - 2005-02-09.
• Vitenskapelig foredrag
  Andreassen, Ragnar; Sudbø, Aasmund; Bjørnstad, Steinar; Helvik, Bjarne Emil; Hodne, Erik; Wikshaaland, Sigbjørn; Zouganeli, Evi. (2005) Fault tolerance in a TWC/AWG based optical burst switching node architecture. The 5th International Workshop on Design of Reliable Communication Networks (DRCN'5) ; Napoli. 2005-10-16 - 2005-10-19.
• Vitenskapelig foredrag
  Bjørnstad, Steinar; Sudbø, Aasmund; Andreassen, Ragnar; Zouganeli, Evi; Stol, Norvald; Helvik, Bjarne Emil. (2005) Node redundancy in optical burst and packet switched networks. 7th International Conference on Transparent Optical Networks (ICTON 2005) ; Barcelona. 2005-07-03 - 2005-07-07.
• Vitenskapelig foredrag
  Zouganeli, Evi; Andreassen, Ragnar; Feng, Boning; Solem, Astrid; Stol, Norvald; Sudbø, Aasmund Sveinung; Kjønsberg, Heidi; Bjørnstad, Steinar; Helvik, Bjarne; Haugen, Rolf B. (2005) Results from IST STOLAS: Optical packet/ burst switched networks using tunable lasers – design, architectures and attainable performance. Norwegian Network Research Seminar (NNRS2005) . Uninett; Fornebu. 2005-10-27 - 2005-10-28.
• Vitenskapelig foredrag
  Zouganeli, Evi; Solem, Astrid; Kjønsberg, Heidi; Andreassen, Ragnar; Feng, Boning; Stol, Norvald; Sudbø, Aasmund Sveinung; Helvik, Bjarne; Haugen, Rolf B. (2005) Techno-Economic Evaluation of Optical Packet/ Burst Switching. European Conference on Optical Communication (ECOC 2005) . IEE; Glasgow. 2005-09-25 - 2005-09-29.
• Vitenskapelig foredrag
  Zouganeli, Evi; Solheim, Astrid; Kjønsberg, Heidi; Andreassen, Ragnar; Feng, Boning; Stol, Norvald; Sudbø, Aasmund; Helvik, Bjarne Emil. (2005) Techno-Economic Evaluation of Optical Packet/Burst Switching. 31st European Conference on Optical Communication [ECOC 2005] ; Glasgow. 2005-09-25 - 2005-09-29.

2004

• Vitenskapelig foredrag
  Aagesen, Finn Arve; Anutariya, Chutiporn; Shiaa, Mazen Malek; Helvik, Bjarne Emil; Supadulchai, Paramai. (2004) A Dynamic Configuration Architecture. IEEE/IFIP Network Operations and Management Symposium NOMS'2004 . IEEE/IFIP; Seoul. 2004-04-01 - 2004-04-03.
• Vitenskapelig foredrag
  Andreassen, Ragnar; Helvik, Bjarne Emil. (2004) A note on traffic performance gain for optical burst/packet switching. 8th IFIP Working Conference on Optical Network Design and Modelling (ONDM 2004) . IFIP; Ghent. 2004-04-02 - 2004-04-04.
• Vitenskapelig foredrag
  Andreassen, Ragnar; Stol, Norvald; Zouganeli, Evi; Haugen, Rolf B; Helvik, Bjarne; Emstad, Peder; Sudbø, Aasmund Sveinung; Solem, Astrid; Feng, Boning. (2004) Application Dependent Performance of a Mesh Optical Burst Switched Network and Effect of Burst Size. European Conference on Optical Communication (ECOC 2003) and International Conference on Integrated Optics and Optical Fiber Communication (IOOC 2003) . AEI, IIC, Telecom Italia; Rimini. 2004-09-21 - 2004-09-25.
• Vitenskapelig foredrag
  Feng, Boning; Stol, Norvald; Zouganeli, Evi; Andreassen, Ragnar; Solem, Astrid; Haugen, Rolf B; Sudbø, Aasmund Sveinung; Helvik, Bjarne. (2004) Direct Comparison between Optical Circuit and Optical Packet/Burst Switching Using Simulations. Opto-electronics and Communications Conference and International Conference on Optical Internet (OECC/COIN 2004) ; Yokohama. 2004-07-12 - 2004-07-16.
• Vitenskapelig foredrag
  Heegaard, Poul Einar; Wittner, Otto; Nicola, Victor; Helvik, Bjarne Emil. (2004) Distributed Asynchronous Algorithm for Cross-Entropy-Based Combinatorial Optimization. Rare Event Simulation and Combinatorial Optimization . University of Budapest; Budapest. 2004-09-07 - 2004-09-08.
• Vitenskapelig foredrag
  Heegaard, Poul Einar; Wittner, Otto; Nicola, Victor; Helvik, Bjarne Emil. (2004) Theory: Distributed Asynchronous Algorithm for Cross-Entropy-Based Combinatorial Optimization. Norwegian Network Research Seminar 2004 . Uninett, NTNU, Simula; Trondheim. 2004-10-21 - 2004-10-22.
• Vitenskapelig foredrag
  Helvik, Bjarne Emil; Andreassen, Ragnar. (2004) Fault Tolerance in Optical Networks; A study of electronic in- and egress interconnections in Torus topologies. Seventeenth Nordic Teletraffic Seminar, Fornebu, Norway ; Fornebu. 2004-08-25 - 2004-08-27.
• Vitenskapelig foredrag
  Meling, Hein; Helvik, Bjarne E.. (2004) Performance Consequences of Inconsistent Client-side Membership Information in the Open Group Model. The 23rd IEEE International Performance, Computing and Communications Conference ; Phoenix, Arizona, USA. 2004-04-15 - 2004-04-15.
• Vitenskapelig foredrag
  Meling, Hein; Helvik, Bjarne Emil. (2004) Performance Consequences of Inconsistent Client-side Membership Information in the Open Group Model. Proceedings of the 23rd IEEE International Performance, Computing and Communications Conference (IPCCC) . IEEE; Phoenix, Arizona. 2004-04-01 - 2004-04-03.
• Vitenskapelig foredrag
  Wittner, Otto; Helvik, Bjarne Emil; Nicola, Victor Fouad. (2004) Link and Node Protection using Hamiltonian p-Cycles found by Ant-like Agents. In online proc. of Workshop on Traffic Engineering, Protection and Restoration for NGI . Lund University; Lund. 2004-05-27 - 2004-05-28.
• Vitenskapelig foredrag
  Zouganeli, Evi; Stol, Norvald; Andreassen, Ragnar; Feng, Boning; Solem, Astrid; Haugen, Rolf B; Sudbø, Aasmund Sveinung; Helvik, Bjarne. (2004) Optical packet/burst switched networks using tunable lasers: Architectures, Migration and Viability. Norwegian Electrooptics Meeting . Optikk- og akustikkgruppa i Norsk Fysisk Selskap; Tønsberg. 2004-05-02 - 2004-05-04.
• Vitenskapelig foredrag
  Feng, Boning; Stol, Norvald; Zouganeli, Evi; Andreassen, Ragnar Ø.; Solem, Astrid; Haugen, Rolf B.; Sudbø, Aasmund; Helvik, Bjarne Emil. (2004) Direct comparison between optical circuit and optical packet / burst switching using simulations. OptoElectronics and Communications Conference/International Conference on Optical Internet (OECC/COIN2004) ; Yokohama. 2004-07-12 - 2004-07-16.

2003

• Vitenskapelig foredrag
  Aagesen, Finn Arve; Helvik, Bjarne Emil; Anutariya, Chutiporn. (2003) On Adaptable Networking. The First International Conference on Information and Communication Technologies, ICT'2003 . Assumption University Thailand; 2003-04-01 - 2003-04-03.
• Vitenskapelig foredrag
  Aagesen, Finn Arve; Helvik, Bjarne Emil; Chutiporn, Anutariya; Shiaa, Mazen Malek. (2003) On Adaptable Networking. The 2003 International Conference on Information and Communication Technologies (ICT 2003) . [Mangler data]; Bangkok, Thailand. 2003-04-10.
• Vitenskapelig foredrag
  Wittner, Otto; Heegaard, Poul Einar; Helvik, Bjarne Emil. (2003) Scalable Distributed Discovery of Resource Paths in Telecommunication Networks using Cooperative Ant-like Agents. Congress on Evolutionary Computation (CEC2003) . [Mangler data]; Canberra, Australia.. 2003-12-12.
• Vitenskapelig foredrag
  Wittner, Otto; Heegaard, Poul Einar; Helvik, Bjarne Emil. (2003) Scalable Distributed Discovery of Resource Paths in Telecommunication Networks using Cooperative Ant-like Agents. 2003 IEEE Congress on Evolutionary Computation [CEC2003] ; Canberra. 2003-12-08 - 2003-12-12.
• Vitenskapelig foredrag
  Zouganeli, Evi; Andreassen, Ragnar; Haugen, Rolf B; Solem, Astrid; Feng, Boning; Sudbø, Aasmund Sveinung; Stol, Norvald; Helvik, Bjarne; Emstad, Peder. (2003) Performance evaluation of a mesh optical burst switched network with tunable lasers and tunable wavelength converters. 7th Conference on Telecommunication (ConTEL) . University of Croatia, IEEE Croatia; Zagreb. 2003-06-11 - 2004-06-13.
• Vitenskapelig foredrag
  Zouganeli, Evi; Andreassen, Ragnar; Sudbø, Aasmund Sveinung; Peder, Emstad; Helvik, Bjarne; Stol, Norvald; Haugen, Rolf B. (2003) Stacked Label Optical Burst Switched Networks using Tunable Lasers: Prospects, Viability and Architectures. Conference on Optical Network Design and Modelling (ONDM 2003 . International Federation of Information Processing; Budapest. 2003-02-03 - 2003-02-03.
• Vitenskapelig foredrag
  Andreassen, Ragnar Ø.; Stol, Norvald; Zouganeli, Evi; Haugen, Rolf B.; Helvik, Bjarne Emil; Emstad, Peder Johannes; Sudbø, Aasmund; Solem, Astrid; Feng, Boning. (2003) Application Dependent Performance of a Mesh Optical Burst Switched Network and Effect of Burst Size. 29th European Conference on Optical Communication (ECOC 2003) . [Mangler data]; Rimini, Italy. 2003-09-25.
• Vitenskapelig foredrag
  Andreassen, Ragnar Ø.; Stol, Norvald; Zouganeli, Evi; Haugen, Rolf B.; Helvik, Bjarne Emil; Emstad, Peder Johannes; Sudbø, Aasmund; Solem, Astrid; Feng, Boning. (2003) Application Dependent Performance of a Mesh Optical Burst Switched Network and Effect of Burst Size. ECOC 2003 ; Rimini. 2003-09-21 - 2003-09-25.
• Vitenskapelig foredrag
  Zouganeli, Evi; Andreassen, Ragnar Ø.; Haugen, Rolf B.; Solem, Astrid; Feng, Boning; Sudbø, Aasmund; Stol, Norvald; Helvik, Bjarne Emil; Emstad, Peder Johannes. (2003) Performance evaluation of a meshed optical burst switched network with tunable lasers and tunable wavelength converters. 7th International Conference on Telecommunications ; Zabreb. 2003-06-11 - 2003-06-13.
• Vitenskapelig foredrag
  Zouganeli, Evi; Andreassen, Ragnar Ø.; Sudbø, Aasmund; Emstad, Peder Johannes; Helvik, Bjarne Emil; Stol, Norvald; Haugen, Rolf B.. (2003) Stacked Label Optical Burst Switched Networks using Tunable Lasers: Prospects, Viability and Architectures. 7th IFIP Working Conference on Optical Network Design & Modelling (ONDM 2003) . [Mangler data]; Budapest, Hungary. 2003-02-05.
• Vitenskapelig foredrag
  Zouganeli, Evi; Andreassen, Ragnar Ø.; Sudbø, Aasmund; Emstad, Peder Johannes; Helvik, Bjarne Emil; Stol, Norvald; Haugen, Rolf B.. (2003) Stacked Label Optical Burst Switched Networks using Tunable Lasers: Prospects, Viability and Architectures. The 7th IFIP Working Conference on Optical Network Design & Modelling (ONDM 2003) ; Budapest. 2003-02-03 - 2003-02-05.
• Vitenskapelig foredrag
  Zouganeli, Evi; Stol, Norvald; Andreassen, Ragnar Ø.; Helvik, Bjarne Emil; Haugen, Rolf B.; Emstad, Peder Johannes; Solem, Astrid; Feng, Boning; Sudbø, Aasmund. (2003) Performance evaluation of a mesh optical burst switched network with tunable lasers and tunable wavelength converters. 7th International Conference on Telecommunications . [Mangler data]; Zagreb, Croatia. 2003-06-13.

2002

• Vitenskapelig foredrag
  Aagesen, Finn Arve; Chutiporn, Anutariya; Shiaa, Mazen Malek; Helvik, Bjarne Emil. (2002) Support Specification and Selection in TAPAS. EUNICE'2002 . [Mangler data]; Trondheim, Norway. 2002-09-04.
• Poster
  Aagesen, Finn Arve; Helvik, Bjarne Emil; Anutariya, Chutiporn. (2002) Towards Dynamic Composition of Adaptive Systems. Euroweb 2002 Conference: The Web and the GRID: From E-Science to E-Business . [Mangler data]; Oxford, England. 2002-12-15.
• Vitenskapelig foredrag
  Wittner, Otto; Helvik, Bjarne Emil. (2002) Cross Entropy Guided Ant-like Agents Finding Dependable Primary/Backup Path Patterns in Networks. Congress on Evolutionary Computation (CEC2002) . [Mangler data]; Honolulu, Hawaii, US. 2002-05-17.
• Vitenskapelig foredrag
  Wittner, Otto; Helvik, Bjarne Emil. (2002) Cross-Entropy Guided Ant-like Agents Finding Cyclic Paths in Scarcely Meshed Networks. Third International Workshop on Ant Algorithms, ANTS'2002 . [Mangler data]; Brussels, Belgium. 2002-09-14.
• Vitenskapelig foredrag
  Wittner, Otto; Helvik, Bjarne Emil. (2002) Robust Implementation of Policies Using Ant-like Agents. The Network Control and Engineering for QoS, Security and Mobility with focus on Policy-based Networking IFIP and IEEE Conference, Net-Con'2002 . [Mangler data]; Paris, France. 2002-10-25.

2001

• Vitenskapelig foredrag
  Helvik, Bjarne Emil; Wittner, Otto. (2001) Using the Cross-Entropy Method to Guide/Govern Mobile Agent's Path Finding in Networks. 3rd International Workshop on Mobile Agents for Telecommunication Applications - MATA'01 . [Mangler data]; Montréal, Canada. 2001-08-16.
• Vitenskapelig foredrag
  Meling, Hein; Helvik, Bjarne Emil. (2001) ARM: Autonomous Replication Management in Jgroup. 4th European Research Seminar on Advances in Distributed Systems (ERSADS) . [Mangler data]; Bertinoro, 14-18 May 2001.
• Vitenskapelig foredrag
  Aagesen, Finn Arve; Helvik, Bjarne Emil; Johansen, Ulrik Albert; Meling, Hein. (2001) Plug and Play for Telecommunication Functionality - Architecture and Demonstration Issues. IConIT'2001 - The 2001 International Conference on Information Technology for the New Millenium . [Mangler data]; Bangkok, Thailand. 2001-05-30.

2000

• Poster
  Wittner, Otto; Helvik, Bjarne Emil. (2000) Simulating mobile agent based network management using network simulator. Second International Symposium on Agent Systems and Applications and Fourth International Symposium on Mobile Agents (ASA/MA 2000) . [Mangler data]; Zürich.
• Poster
  Wittner, Otto; Helvik, Bjarne Emil; Hölper, C.J.E.. (2000) Failure semantics of mobile agent systems involved in network fault management. 2000 IEEE/IFIP Network Operations and Management Symposium . [Mangler data]; 10-14. apr 2000, Honolulu, Hawaii, USA.

1999

• Vitenskapelig foredrag
  Heegaard, Poul Einar; Helvik, Bjarne Emil. (1999) On the use of likelihood ratio as indicator of the accuracy of importance sampling estimates. Second International Workshop on Rare Event Simulation (RESIM'99) . [Mangler data]; Twente, 11.-12. mars 1999.
• Vitenskapelig foredrag
  Helvik, Bjarne Emil. (1999) Dependability issues in smart networks. IFIP TC6 WG6.7 Fifth International Conference on Intelligence in Networks (SMARTNET '99) . [Mangler data]; Pathumthani, Thailand, 22.-26. november 1999.
• Vitenskapelig foredrag
  Wittner, Otto; Hölper, Carsten; Helvik, Bjarne Emil. (1999) Failure semantics of mobile agent systems involved in network fault management. Norsk Informatikkonferanse '99 (NIK'99) . [Mangler data]; Trondheim, 16.-17. november 1999.
• Vitenskapelig foredrag
  Aagesen, Finn Arve; Helvik, Bjarne Emil; Meling, Hein; Johansen, Ulrik Albert. (1999) Plug and play for telecommunications - architecture and demonstration issues. Norsk informatikkonferanse '99 (NIK'99) . [Mangler data]; Trondheim, 16.-17. november 1999. 1999-11-10 - 1999-11-17.
• Vitenskapelig foredrag
  Aagesen, Finn Arve; Helvik, Bjarne Emil; Wuwongse, Vilas; Meling, Hein; Bræk, Rolv; Johansen, Ulrik Albert. (1999) Towards a plug and play architecture for telecommunications. IFIP TC6 WG6.7 Fifth International Conference on Intelligence in Networks (SMARTNET '99) . [Mangler data]; Pathumthani, Thailand, 22.-26. november 1999. 1999-11-22 - 1999-11-26.

1998

• Vitenskapelig foredrag
  Heegaard, Poul E.; Helvik, Bjarne Emil; Stol, Norvald. (1998) Genetic Algorithms for Dimensioning of Full Service Access Networks. Fourteenth Nordic Teletraffic Seminar (NTS 14) . [Mangler data]; Lyngby, Demark.

1996

• Populærvitenskapelig foredrag
  Helvik, Bjarne Emil. (1996) Laboratory masurements of ATM traffic handling. Norsk teleforum . [Mangler data]; Loen.
• Populærvitenskapelig foredrag
  Helvik, Bjarne Emil. (1996) Risikofaktorer ved den teknologiske utvikling innen informasjons og kommunikasjons teknologi. Seminar "Informasjonsteknologi og sårbarhet" . [Mangler data]; Trondheim.
• Vitenskapelig foredrag
  Helvik, Bjarne Emil; Stol, Norvald. (1996) QoS differentiation in ATM networks : a case study. [Mangler data] . [Mangler data]; Trondheim.