Publications - Bjarne E. Helvik


This list below gives publications from the years 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991 and some selected older conference and journal papers.

For textbooks/lecture notes click here.


2012

Piotr Cholda, Eirik Larsen Følstad, Bjarne E. Helvik, Pirkko Kuusela, Maurizio Naldi, and Ilkka Norros. Towards risk-aware communications networking. Accepted for publication in Reliability Engineering and System Safety, 2012.

Andres J. Gonzalez and Bjarne E. Helvik. Characterization of router and link failure processes in UNINETT's IP backbone network. International Journal of Space-Based and Situated Computing, 2012.

Andres J. Gonzalez and Bjarne E. Helvik. Guaranteeing SLA availability in telecommunications networks. In Proceedings of the International Telecommunications Network Strategy and Planning Symposium, Rome, Italy, October 2012. IEEE.

Andres J. Gonzalez and Bjarne E. Helvik. SLA success probability assessment in networks with correlated failures. Computer Communications Journal, Accepted for publication, 2012.

Andres J. Gonzalez and Bjarne E. Helvik. A study of the interval availability and its impact on SLAs risk. In Proceedings of the International Conference on Computer Science, Engineering and Applications [ICCSEA], Delhi, India, May 2012. Springer.

Andres J. Gonzalez and Bjarne E. Helvik. System management to comply with SLA availability guarantees in cloud computing. In 4th IEEE International Conference on Cloud Computing Technology and Science (CloudCom 2012), Taiwan, December 3-6 2012. IEEE press.

Laurent Paquereau and Bjarne E. Helvik. Ant-based systems for wireless networks: Retrospect and prospects. In Proc. of the sixth International workshop on self-organizing systems [IWSOS 2012], Lecture Notes in Computer Science, Delft, The Netherlands, March 15-16 2012. Springer-Verlag. Invited paper.

Peiqing Zhang, Nikos Fotiou, Bjarne E. Helvik, Giannis F. Marias, and George C. Polyzos. Analysis of the effect of inforanking on content pollution in P2P systems. Submitted to Security and Communication Networks, 2012.

Peiqing Zhang and Bjarne E. Helvik. Modeling push-based live P2P streaming by stochastic activity networks. In 4'th International Conference on Networked Digital Technologies [NDT 2012]. Communications in Computer and Information Science (CCIS 7899) Series of Springer LNCS, 2012.

Peiqing Zhang and Bjarne E. Helvik. Towards greenP2P; analysis of energy consumption in P2P and approaches to control. 3rd International Workshop on Modeling and Simulation of Peer-to-Peer Architectures and Systems [MOSPAS 2012], 2012.

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2011

Stefano Secci, Huaiyuan Ma, Bjarne E. Helvik, and Jean-Louis Rougier. Resilient inter-carrier traffic engineering for internet peering interconnection. IEEE Transactions on Network and Service Management, 8(4):274-284, 2011.

Huaiyuan Ma, Bjarne E. Helvik, and Otto J. Wittner. An impact of addressing schemes on routing scalability. Journal of Communications and Networks; Special issue on Management Issues in the Future Internet, 13(6):602-611 December 2011.

Eugene S. Myakotnykh, Otto J. Wittner, Bjarne E. Helvik, Atef Abdelke, Jon Kåre Hellan, Olav Kvittem, Trond Skjesol, and Arne Øslebø. An analysis of interdomain availability and causes of failures based on active measurements. Telecommunication Systems Journal ., 48, 2011.

Eirik Larsen Følstad and Bjarne E. Helvik. Failures and changes in cellular access networks; A study of field data. In Design of Reliable Communication Networks [DRCN 2011], Krakow, Poland, Oct. 2011.

Andres Gonzalez and Bjarne E. Helvik. Guaranteeing service availability in SLAs on networks with non independent failures. In Design of Reliable Communication Networks [DRCN 2011], Krakow, Poland, Oct. 2011.

Andres J. Gonzalez and Bjarne E. Helvik. Analysis of failures characteristics in the UNINETT IP backbone network. In IEEE 7th International Symposium on Frontiers in Networking with Applications [FINA2011], March 22 - 25 2011.

Laurent Paquereau and Bjarne E. Helvik. Ant-based multipath routing for wireless mesh networks. In In the proceedings of EVO* 2011; Evocomnet - 8th European event on nature-inspired techniques for telecommunication networks and other parallel and distributed systems. (Best paper award), Torino, Italy, April 27-29 2011.

Peiqing Zhang and Bjarne E. Helvik. Modeling and analysis of P2P content distribution under coordinated attack strategies. In IEEE Consumer Communications and Networking Conference [CCNC 2011]; Workshop DRM, Las Vegas, USA, January 9 - 12 2011.

Piotr Cholda and Bjarne E. Helvik (eds). Proceedings of the 2011 8th International Workshop on the Design of Reliable Communication Networks, IEEE Press ISBN 978-1-61284-125-0, 2011.

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2010

Eirik Larsen Følstad and Bjarne E. Helvik. Determining dependencies in multi technology inter domain wireless access; A case study. In GlobeCom-2010; Workshop on Mobile Computing and Emerging Communication Networks, December 10 2010.

Andres J. Gonzalez and Bjarne E. Helvik. Dynamic sharing mechanism for guaranteed availability in MPLS based networks. In Proceedings of 2010 International Communications Quality and Reliability Workshop [CQR], Vancouver, British Columbia, Canada, June 8-10 2010.

Andres J. Gonzalez and Bjarne E. Helvik. Guaranteeing service availability in SLAs; a study of the risk associated with contract period and failure process. Latin America Transactions, IEEE (Revista IEEE America Latina), 8(4):410-416, aug. 2010.

Andres J. Gonzalez, Bjarne E. Helvik, Jon K. Hellan, and Pirkko Kuusela. Analysis of dependencies between failures in the UNINETT IP backbone network. In IEEE 16th Pacific Rim International Symposium on Dependable Computing [PRDC2010], pages 149-156. IEEE, December 2010.

Eugene S. Myakotnykh, Bjarne E. Helvik, Jon Kåre Hellan, Olav Kvittem, Trond Skjesol, Otto J. Wittner, and Arne Øslebø. Analyzing causes of failures in the global research network using active measurements. In Jacek Rak, editor, 2'nd international Workshop 0n Reliable Network Design and Modeling [RNDM 2010], pages 15-20. IEEE/IFIP, October 18-20 2010.

Huaiyuan Ma, Bjarne E. Helvik, and Otto J. Wittner. The stability of compact routing in dynamic inter-domain networks. In The Third International Conference on Communication Theory, Reliability, and Quality of Service [CTRQ 2010], Athens/Glyfada, Greece, June 13-19 2010.

Eugene S. Myakotnykh, Bjarne E. Helvik, Otto J. Wittner, Olav Kvittem, Jon Kåre Hellan, Trond Skjesol, and Arne Øslebø. Measurement and analysis of end-to-end dependability characteristics in the global network. In 18th International Workshop on Quality of Service [IWQoS'10], Beijing, China, 2010.

Laurent Paquereau and Bjarne E. Helvik. Opportunistic ant-based path management for wireless mesh networks. In 7'th International Conference om Swarm Intelligence [ANTS 2010], LNCS, Brussels, Belgium, September 8-10 2010. Springer.

Stefano Secci, Huaiyuan Ma, Bjarne E. Helvik, and Jean-Louis Rougier. A resilient routing policy for peering management. In IEEE Globecom 2010 - Communications QoS, Reliability and Modelling Symposium, 2010.

Peiqing Zhang and Bjarne E. Helvik. Modeling QoS in P2P file-sharing with benign and malicious peers by stochastic activity networks. In Jorg Ott, Sergey Balandin, and Marcin Matuszewski, editors, 7th Annual IEEE Consumer Communications and Networking Conference (CCNC), Las Vegas, USA, Januar 9-12. 2010. IEEE conference proceedings.

Peiqing Zhang and Bjarne E. Helvik. Towards green P2P: Understanding the energy consumption in P2P under content pollution. In International Symposium on Energy-aware Computing and Networking; GreenCom-2010, Hangzhou, China, Dec 18-20 2010.

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2009

Piotr Cholda, Anders Mykkeltveit, Bjarne E. Helvik, and Andrzej Jajszczyk. Continuity-based resilient communication. In Deep Medhi, John Doucette, and David Tipper, editors, Proc. 7th International Workshop on the Design of Reliable Communication Networks [DRCN 2009], number ISBN: 978-1-4244-5048-0, Washington, DC, USA, October 2009. IEEE press.

Eirik Larsen Følstad and Bjarne E. Helvik. Managing availability in wireless inter domain access. In Proceedings of Reliable Networks Design and Modeling [RNDM'09], St. Petersburg Russia, October 12 - 14 2009. IEEE press.

Martinez Andres Gonzalez and Bjarne Emil Helvik. Guaranteeing service availability in SLAs; a study of the risk associated with contract period and failure process. In Carlos Eduardo Velásquez, editor, IEEE Latin-American Conference on Communications. IEEE Communications Society, 2009.

Safaà Hachana, Nicolas Montavont, Laurent Paquereau, and Bjarne Emil Helvik. Exploiting alternative paths in MHWNs: A source-based QoS routing approach. In Proceedings of the INFOCOM Workshops 2009, pages 1-2. IEEE Communications Society, 2009.

Eugene Myakotnykh and Bjarne Emil Helvik. Analysis of evolution scenarios for end-to-end quality of services provisioning in the Internet, oct, 2009. In Proc. International Conference on Ultra Modern Telecommunications (ICUMT 2009), St. Petersburg, Russia, Oct, 2009 2009.

Anders Mykkeltveit and Bjarne E. Helvik. Adaptive management of connections to meet availability guarantees in slas. In Proceedings of the 11th IFIP/IEEE International Symposium on Integrated Network Management [IM 2009] Mini-Conference, New York, USA, June 1 - 5 2009.

Marie E. G. Moe, Bjarne E. Helvik, and Svein J. Knapskog. Trust Management III, volume 300/2009 of IFIP Advances in Information and Communication Technology, chapter Comparison of the Beta and the Hidden Markov Models of Trust in Dynamic Environments. Springer Boston, 2009.

Huaiyuan Ma, Bjarne E. Helvik, and Otto J. Wittner. A compact routing scheme with lower stretch. In Third International Conference on New Technologies, Mobility and Security [NTMS'2009 ], Cairo, Egypt, December 20 - 23 2009. IFIP.

Huaiyuan Ma, Bjarne Emil Helvik, and Otto Wittner. A stochastic clustering algorithm for swarm compact routing. In Proceedings of the 5th Euro-NGI Conference on Next Generation Internet Networks (NGI 2009), Averio, Portugal, july 2009. IEEE Press.

Laurent Paquereau and Bjarne E. Helvik. Ensuring fast adaptation in an ant-based path management system. In Proceedings of BIONETICS 2009. 4th International Conference on Bio-Inspired Models of Network, Information, and Computing Systems, Avignon, France, December 9-11 2009.

Laurent Paquereau and Bjarne Emil Helvik. Revisiting the auto-regressive functions of the cross-entropy ant system. In Proceedings of Fourth International Workshop on Self-Organizing Systems [IWSOS 2009], Zurich, Switzerland, December 9-11 2009.

Peiqing Zhang and Bjarne Emil Helvik. Modeling reputation scheme in P2P file-sharing by stochastic activity networks. In The 8th IEEE International Conference on Dependable, Autonomic and Secure Computing (DASC), pages 353-358, Chengdu, China, December 12-14 2009. IEEE Computer Society.

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2008

C. Grosan, A. Abraham, and B. E. Helvik. Building multiobjective resilient networks. In Tenth International Conference on Computer Modeling and Simulation (UKSIM 2008), pages 204 - 209, Emmanuel College, Cambridge, England, 1 - 3 April 2008. IEEE Computer Society Press.

P. E. Heegaard, B. E. Helvik, and O. J. Wittner. The cross entropy ant system for network path management. Telektronikk, 104(1):19-40, 2008.

H. Meling, A. Montresor, B. E. Helvik, and O. Babaoglu. Jgroup/ARM: A distributed object group platform with autonomous replication management. Software: Practice and Experience, 38(9):885-923, 25 July 2008.

M. E. G. Moe, B. E. Helvik, and S. J. Knapskog. TSR: Trust-based secure MANET routing using HMMs. In Proceedings of The 4th ACM International Symposium on QoS and Security for Wireless and Mobile Networks (Q2SWinet 2008), pages 83-90, Vancouver, Canada, October 2008. ACM, ACM Press New York, NY, USA.

A. Mykkeltveit and B. E. Helvik. Application of the restart/splitting technique to network resilience studies in ns2. In Proceedings of The 19th IASTED International Conference on Modelling and Simulation [MS 2008], Quebec City, Quebec, Canada, May 26 - 28 2008.

A. Mykkeltveit and B. E. Helvik. Comparison of schemes for provision of differentiated availability-guaranteed services using dedicated protection. In The Seventh International Conference on Networking (ICN), Cancun, Mexico, April 2008. IEEE Computer Society.

A. Mykkeltveit and B. E. Helvik. On provision of availability guarantees using shared protection. In Proceedings of the 12th Conference on Optical Network Design and Modelling (ONDM 2008), Vilanova la Geltru, Spain, March 2008. IEEE press.

L. Paquereau and B. E. Helvik. Simulation of wireless multi-* networks in NS-2. In Proceedings of the second workshop on ns-2 (WNS2), Athens, Greece, October 23. 2008.

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2007

P. Cholda, A. Mykkeltveit, B. Helvik, O. Wittner, and A. Jajszczyk. A survey of resilience differentiation frameworks in communication networks. Communications Surveys and Tutorials, 9(4), 2007.

C. Grosan, A. Abraham, and B. E. Helvik. Multiobjective evolutionary algorithms for scheduling jobs on computational grids. In IADIS International Conference, Applied Computing 2007, number ISBN 978-972-8924-30-0, pages 459 – 463, Salamanca, Spain, 2007. IADIS Press.

 B. E. Helvik and Ø. Kure, Editors. 3rd EuroNGI Conference on Next Generation Internet Networks, Design and Engineering for Heterogeneity. Number ISBN: 1-4244-0856-3. IEEE conference proceedings, May 2007.

B. E. Helvik, K. Sallhammar, and S. J. Knapskog. Information Assurance; Dependability and Security in Networked Systems, chapter Chapter 8: Integrated Dependability and Security Evaluation Using Game Theory and Markov Models, pages 209 – 245. Number ISBN: 978-0-12-373566-9; ISBN10: 0-12-373566-1. Elsevier, Morgan Kaufmann, December 28 2007.

H. Meling, A. Montresor, B. E. Helvik, and O. Babaoglu. Jgroup/ARM: A distributed object group platform with autonomous replication management. Software: Practice and Experience, page 39, 3 Oct 2007.

A. Mykkeltveit and B. E. Helvik. On provision of guaranteed availability using dedicated protection. In Proceedings Euro-FGI Workshop on Traffic Engineering, Protection and Restoration for FGI. Euro FGI, September 27 2007.

A. Mykkeltveit and B. E. Helvik. Provision of connection-specific availability guarantees in communication networks. In International Workshop on the Design of Reliable Communications Networks [DRCN 2007], October 2007.

K. Sallhammar, B. E. Helvik, and S. J. Knapskog. A framework for predicting security and dependability measures in real-time. International Journal of Computer Science and Network Security [IJCSNS], 7(3):169–183, March 2007.

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2006

Q. Gan and B. E. Helvik. Dependability modelling and analysis of networks as taking routing and traffic into account. In Proceedings of The Second EuroNGI Conference on Next Generation Internet Design and Engineering, Valencia, Spain, 3-5 April 2006. IEEE.

Q. Gan, B. E. Helvik, and O. Wittner. A hybrid modelling approach for analyzing service availability with shared path protection in ip networks. In H. Qiu, J. Lin, L. Zheng, and X. Li, editors, 2006 International Conference on Communication Technology (ICCT 2006), volume 1, pages 137–144, Guilin, China, November 27-30 2006. IEEE press.

Q. Gan, B. E. Helvik, and O. Wittner. Refined classification of service unavailability for comparison: Shared path protection vs. rerouting. In H. Qiu, J. Lin, L. Zheng, and X. Li, editors, 2006 International Conference on Communication Technology (ICCT 2006), volume 1, pages 145–150, Guilin, China, November 27-30 2006. IEEE press.

B. E. Helvik. Swarm-based routing to achieve dependable networks. In Dependability of all-IP networks; A multi-disciplinary workshop, VTT, Digitalo: Vuorimiehentie 3, Espoo, Finland, May 18-19 2006.

F. Y. Li, N. Stol, and B. E. Helvik. Conformance deterioration in QoS networks: Phenomenon, analysis and elimination. Computer Networks, 50(12), 24 August 2006.

A. Mykkeltveit and B. E. Helvik. Application of the RESTART/Splitting technique in object-oriented simulation; how to simulate differentiated network resilience with ns2. In 6th International Workshop on Rare Event Simulation [RESIM 2006], Bamberg, Germany, October 8-10 2006.

A. Mykkeltveit and B. E. Helvik. Prospects for dependability differentiation in interdomain networks. In Proc. EuroNGI Workshop on Traffic Engineering, Protection and Restoration for NGI, Krakow Poland, May 4-5 2006. AGH.

L. Paquereau and B. E. Helvik. A module-based wireless node for NS-2. In Proceedings Workshop on ns-2: The IP Network Simulator (WNS2), Pisa, Italy, October 10, 2006 2006. ACM.

K. Sallhammar, B. E. Helvik, and S. J. Knapskog. A game-theoretic approach to stochastic security and dependability evaluation. In The 2nd IEEE International Symposium on Dependable, Autonomic and Secure Computing [DASC’06], Indianapolis, USA, Sep 29 - Oct 1 2006. IEEE.

K. Sallhammar, B. E. Helvik, and S. J. Knapskog. On stochastic modeling for integrated security and dependability evaluation. Journal of Networks, 1(5):31–42, September/October 2006.

K. Sallhammar, B. E. Helvik, and S. J. Knapskog. Towards a stochastic model for integrated security and dependability evaluation. In Proceedings of the First International Conference on Availability, Reliability and Security (ARES 2006), number ISBN 978-0-7695-2567-9, pages 156–163, Vienna, Austria, April 2006. IEEE Computer Society Press.

O. Wittner and B. E. Helvik. CE-Ants: Ant-like agents for path management in the next-generation Internet. ERCIM News, Special: Emergent Computing, (64):31 – 32, January 2006.

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2005

E. Zouganeli, R. Ø. Andreassen, B. Feng, A. Solem, N. Stol, H. Kjønsberg, A. Sudbø, B. E. Helvik, and R. B. Haugen. Why bother with optical packets?  An evaluation of the viability of optical packet/burst switching. Telektronikk, 101(2):126 – 147, 2005.

P. E. Heegaard, B. E. Helvik, and R. Ø. Andreassen. Application of rare event techniques to trace driven simulation. In M. E. Kuhl, N. M. Steiger, F. B. Armstrong, and J. A. Joines, editors, Proceedings of the 2005 Winter Simulation Conference, number ISBN 0-7803-9520-4, pages 509–518. OmniPress, 2005.

O. Wittner, B. E. Helvik, and V. Nicola. Internet failure protection using hamiltonian p-cycles found by ant-like agents. In Proceedings of The 5th International Workshop on Design of Reliable Communication Networks (DRCN’5), Naples, Italy, October 16-19 2005.

R. Andreassen, A. Sudbø, S. Bjørnstad, B. E. Helvik, E. Hodne, S. Wikshåland, and E. Zouganeli. Fault tolerance in a TWC/AWG based optical burst switching node architecture. In Proceedings of The 5th International Workshop on Design of Reliable Communication Networks (DRCN’5), Naples, Italy, October 16-19 2005. IEEE.

E. Zouganeli, A. Solem, H. Kjønsberg, R. Andreassen, B. Feng, N. Stol, A. Sudbø, and B. E. Helvik. Techno-economic evaluation of optical packet/ burst switching. In 31st European Conference on Optical Communication [ECOC 2005], number ISSN: 0537-9989 ISBN 0 86341 565 2, pages 967 – 968, Glasgow, Scotland, September 25-29 2005. IEE.

E. Zouganeli, R. Ø. Andreassen, B. Feng, N. Stol, A. Solem, B. E. Helvik, A. Sudbø, and R. B. Haugen. Optical packets, circuits, or packets and circuits: Viability of optical packet/burst switching. Invited paper at  The 10th OptoElectronics and Communications Conference (OECC 2005), Seoul, Korea, July 4 - 8 2005.

S. Bjørnstad, A. Sudbø, R. Andreassen, E. Zouganeli, N. Stol, and B. E. Helvik. Node redundancy in optical burst and packet switched networks. In COST291: Issues and Challenges in Optical Networking / 7th International Conference on Transparent Optical Networks [ICTON 2005], Barcelona, Catalonia, Spain, July 3-7 2005.

K. Sallhammar, B. E. Helvik, and S. J. Knapskog. , incorporating attacker behavior in stochastic models of security. In H. R. Arabnia, editor, Proceedings of the 2005 International Conference on Security and Management (SAM’05), number ISBN 1-932415-82-3, Las Vegas, USA, June 20-23 2005. CSREA Press.

F. Y. Li, N. Stol, and B. E. Helvik. Conformance deterioration in QoS networks: Phenomenon, analysis and elimination. Computer Networks, Accepted for publication 2005.

P. E. Heegaard, O. Wittner, and B. E. Helvik. Self-managed virtual path management in dynamic networks. In O. Babaoglu, C. Fetzer, M. Jelasity, S. Leonardi, A. Montresor, A. van Moorsel, and M. van Steen, editors, Self-* Properties in Complex Information Systems, Lecture Notes in Computer Science. Springer-Verlag, 2005.

B. E. Helvik, H. Meling, and A. Montresor. An approach to experimentally obtain service dependability characteristics of the Jgroup/ARM system. In European Dependable Computing Conference (EDCC-5). Springer Verlag, 20 – 22 april 2005.

P. Cholda, A. Jajszczyk, B.E. Helvik, A. Mykkeltveit. Service Differentiation Based on Recovery Methods, EURO NGI Workshop on Traffic Engineering, Protection and Restoration, Rome, Italy, April 21-22 2005.

Bjarne E. Helvik and Otto Wittner, Network Resilience by Emergent Behavior from Simple Autonomous Agents, In DEPENDABLE COMPUTING SYSTEMS: Paradigms, Performance Issues and Applications, Hassan Diab and Albert Zomaya (Eds.), John Wiley & Sons. 2005.

Karin Sallhammar, Svein J. Knapskog and Bjarne E. Helvik, Using Stochastic Game Theory to Compute the Expected Behavior of Attackers. To appear in Proc. of the 2005 International Symposium on Applications and the Internet (SAINT2005), Trento, Italy, Jan. 31 - Feb. 4, 2005.

R. Ø. Andreassen, B. E. Helvik, A. S. Sudbø, and E. Zouganeli. A study of fault tolerant architectures for electronic in- and egress interconnections in optical burst/packet switched networks. In 9th Conference on Optical Network Design and Modelling (ONDM 2005), Milan, Italy, February 7-9 2005.
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2004

Bjarne E. Helvik,  Perspectives on the Dependability of Networks and Services,  Telektronikk (100th Anniversary Issue: Perspectives in telecommunications), (3):27 – 44, 2004.

Poul E. Heegaard , Otto Wittner, Victor F. Nicola and Bjarne Helvik,  Distributed Asynchronous Algorithm for Cross-Entropy-Based Combinatorial Optimization, In Proc. Rare Event Simulation & Combinatorial Optimization [RESIM 2004],  September 7-8, 2004, Budapest, Hungary

Bjarne E. Helvik, Ragnar Andreassen,  Fault Tolerance in Optical Networks; A study of electronic in- and egress interconnections in Torus topologies, In Proc. 17th Nordic Teletraffic Seminar, 25 - 27 August 2004 - Fornebu, Norway, pp. 347 - 358

B. Feng, N. Stol, E. Zouganeli, R. Ø. Andreassen, A. Solem, R. B. Haugen, A. Sudbø, and B. E. Helvik. Direct comparison between optical circuit and optical packet/ burst switching using simulations. In OptoElectronics and Communications Conference/International Conference on Optical Internet (OECC/COIN2004), Jul 2004.

Rolv Bræk,  Bjarne Emil Helvik,  Svein Johan Knapskog,  Lill Kristiansen,  Øivind Kure, Networks and networked systems,  In Infosam2020, Information Society of 2020. Trondheim, Norway: NTNU 1. Jun 2004. pp. 25-32.

F. A. Aagesen, C. Anutariya, M. M. Shiaa, B. E. Helvik, and P. Supadulchai. A dynamic configuration architecture. In Network Operations and Management Symposium, 2004. NOMS 2004. IEEE/IFIP, volume 1, pages 893–894 Vol.1, 2004.

Hein Meling and Bjarne E. Helvik,  Performance Consequences of Inconsistent Client-side Membership Information in the Open Group Model, To be published at 23rd IEEE International Performance Computing and Communications Conference (IPCCC), Phoenix, Arizona, USA, April 14-17, 2004.

Ragnar Andreassen and Bjarne E Helvik, A note on traffic performance gain for optical burst/packet switching, To be published at 8th IFIP Working Conference on Optical Network Design and Modelling (ONDM 2004), Ghent, Belgium, Feb. 2-4, 2004.

Otto Wittner, Bjarne E. Helvik, Distributed Soft Policy Enforcement by Swarm Intelligence; Application to Loadsharing and Protection, Annals of Telecommunications, Vol. 59, No. 1/2, pp. 10 - 24, Jan-Feb 2004.
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2003

Otto Wittner, Poul E. Heegaard and Bjarne E. Helvik, Scalable Distributed Discovery of Resource Paths in Telecommunication Networks using Cooperative Ant-like Agents, 2003 IEEE Congress on Evolutionary Computation [CEC2003],  Canberra, Australia, December 8-12, 2003

Ragnar Ø. Andreassen, Norvald Stol, Evi Zouganeli, Rolf B. Haugen, Bjarne E. Helvik, Peder J. Emstad, Aasmund Sudbø, Astrid Solem, Boning Feng, Application Dependent Performance of a Mesh Optical Burst Switched Network and Effect of Burst Size, ECOC 2003, Rimini, Italy, Sept. 21-25, 2003

Evi Zouganeli, Ragnar Ø. Andreassen, Rolf B. Haugen, Astrid Solem, Boning Feng, Aasmund Sudbø, Norvald Stol, Bjarne E. Helvik, Peder J. Emstad, Performance evaluation of a meshed optical burst switched network with tunable lasers and tunable wavelength converters, 7th International Conference on Telecommunications, Zagreb, Croatia, June 11-13, 2003.

Finn Arve Aagesen, Bjarne E. Helvik, Chutiporn Anutariya, Mazen Malek Shiaa, On Adaptable Networking, Information and Communication Technologies (ICT), Bankok, Thailand, Apr. 2003.

Evi Zouganeli, Ragnar Ø. Andreassen, Aasmund Sudbø, Peder J. Emstad, Bjarne E. Helvik, Norvald Stol, Rolf B. Haugen, 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), February 3-5, 2003,  Budapest,  Hungary

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2002

Finn Arve Aagesen, Bjarne E. Helvik, Chutiporn Anutariya, Towards Dynamic Composition of Adaptive Services, Proc. EuroWeb 2002 Conference -- The Web and the Grid: From E-science to E-business, Oxford, UK (December 2002), pp. 183-184.

Otto Wittner, Bjarne E. Helvik, 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, October 23-25, Paris, France.

Otto Wittner, Bjarne E. Helvik, Cross-Entropy Guided Ant-like Agents Finding Cyclic Paths in Scarcely Meshed Networks, The Third International Workshop on Ant Algorithms, ANTS'2002, September 12-14, Brussels, Belgium. 

Finn Arve Aagesen, Chutiporn Anutariya, Mazen Malek Shiaa and Bjarne E. Helvik, Support Specification and Selection in TAPAS, IFIP WG6.7 Workshop  on Adaptable Networks and Teleservices, pp.  109-116, September 2 - 4, 2002, Trondheim, Norway

Bjarne E. Helvik, The importance of the topic: "Adaptable Network and Tele Services", Introductory speech to the IFIP WG6.7 Workshop  on Adaptable Networks and Teleservices, September 2 - 4, 2002, Trondheim, Norway

Otto Wittner, Bjarne E. Helvik, Cross Entropy Guided Ant-like Agents Finding Dependable Primary/Backup Path Patterns in Networks, Proceedings of Congress on Evolutionary Computation (CEC2002), May 12-17th 2002, Honolulu, Hawaii, USA

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2001

Bjarne E. Helvik, Otto Wittner. Using the Cross-Entropy Method to Guide/Govern Mobile Agent's Path Finding in Networks. In Proceedings of the 3rd International Workshop on Mobile Agents for Telecommunication Applications - MATA'01, aug 14-16th 2001, Montréal, Canada, LNCS, Springer-Verlag

Hein Meling and Bjarne E. Helvik, ARM: Autonomous Replication Management in Jgroup, In Proceedings of the 4th European Research Seminar on Advances in Distributed Systems (ERSADS), Bertinoro, Italy, May 2001.

Finn Arve Aagesen, Bjarne E. Helvik, Ulrik Johansen and Hein Meling, Plug and Play for Telecommunication Functionality -- Architecture and Demonstration Issues, In Proceedings of the International Conference on Information Technology for the New Millennium (IConIT), Bangkok, Thailand, May 2001.

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2000

Otto Wittner, Bjarne E. Helvik. 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) sep 13-15th 2000, Zurich, Switzerland.

Otto Wittner, Bjarne E. Helvik: Failure Semantics og Mobile Agent Systems Involved in Network Fault Management, Proceedings of 2000 IEEE/IFIP Network Operation and Management Symposium (NOMS 2000), pp. 939 - 940, April 10-14, 2000, Honululu, Hawwaii.

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1999

Bjarne E. Helvik: Dependability Issues in Smart Networks, Invited paper, Proceedings SMARTNET'99 (IFIP, Fifth International Conference on Intelligence, pp. 53 - 76, Bankok, Thailand, November 22-26 1999, Kluwer Academic Publishers.

Finn Arve Aagesen, Bjarne Helvik, Vilas Wuvongse, Hein Meling, Rolv Bræk and Ulrik Johansen: Towards a Plug and Play Architecture for Telecommunications, Proceedings of the the Fifth IFIP Conference on Intelligence in Networks, pp.321 - 334, Bangkok 22-26 November 1999. Kluwer Academic Publisers.

Finn Arve Aagesen, Bjarne Helvik, Hein Meling and Ulrik Johansen: Plug and Play for Telecommunications - Architecture and Demonstration Issues, Norsk Informatikkonferanse (NIK'99), pp. 199 - 210, 16-17 November 1999 Tapir forlag.

Poul E. Heegaard and Bjarne E. Helvik: On the use of likelihood ratio as indicator of the accuracy of importance sampling estimates. Proc. Second International Workshop on Rare Event Simulation (RESIM'99), Eds. Victor F. Nicola, Jos H.A. de Smit, pp. 29 - 38, University of Twente, The Netherlands, March 11-12, 1999.

Otto Wittner, Carsten J.E. Hoelper, Bjarne E. Helvik: Failure Semantics og Mobile Agent Systems Involved in Network Fault Management., Proceedeings of Norsk Informatikk-Konferanse (NIK'99), pp. 223 - 233, 15-17. Nov. 1999, NTNU, Norway, Tapir forlag

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1998

Ola Espvik, Terje Jensen, Bjarne E Helvik: EURESCOM project P806-GI; A Common Framework for QoS/Network Performance in a Multi-Provider Environment, Telektronikk, Vol. 94, No. 2, pp. 84-87, 1998

Poul E. Heegaard, Bjarne E. Helvik, Norvald Stol: Genetic algorithms for dimensioning of full service access networks. In The 14'th Nordic Teletraffic Seminar (NTS-14), Copenhagen, Denmark, 18-20 August 1998.

Nils Holte, Einar J. Aas, Bjarne E. Helvik, Olav Egeland, Ragnar Hergum: Utdanningsbehov for siv.ing. og cand.scient. innen IKT; Telekommunikasjon, elektronikk og teknisk kybernetikk, Norges Forskningsråd (28 s), Mars 1998.

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1997

Bjarne E. Helvik. "Elements of a QoS measurement framework for bearer services" Telektronikk, 93(1):7 – 5, March 1997.

Bjarne E. Helvik. "The error propagation phenomenon - An introduction" Telektronikk, 93(1):109 – 117, March 1997.

Bjarne E. Helvik, Sven Arne Gylterud. "Identification of operational modes of distributed systems by cluster analysis" Telektronikk, 93(1):118 – 127, March 1997.

Bjarne E. Helvik, Norvald Stol. "QoS Differentiation in ATM Networks; A case Study" Telektronikk, 93(1):161 – 168, March 1997.

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1996

Bjarne E. Helvik and Norvald Stol, "QoS Differentiation in ATM Networks; A case Study", In Emstad, Helvik, Myskja (Eds.) The 13'th Nordic Teletraffic Seminar (NTS-13), Trondheim, Norway, 20 - 22 August 1996, pp237 - 250. Also available asSINTEF Telecom and Informatics Report STF40 A96054, Sept. 1996

Ragnar Andreassen, Poul Heegaard and Bjarne E. Helvik, "Importance Sampling for seed-up simulation of Heterogeneous MPEG sources", In Emstad, Helvik, Myskja (Eds.) The 13'th Nordic Teletraffic Seminar (NTS-13), Trondheim, Norway, 20 - 22 August 1996, pp. 190- 203. Also available asSINTEF Telecom and Informatics Report STF40 A96053, Sept. 1996

Bjarne E. Helvik, "Laboratory measurements of ATM traffic handling", Norsk Teleforum – Loen, Norway,25 -28 April 1996. Available as SINTEF report STF40 A96039.

Bjarne E. Helvik, "Some Dependability Issues in Telematics", Guest lecture at NTNU, Trondheim, Norway, 11 Okt. 1996. In Norwegian.

Bjarne E. Helvik, "Risikofaktorer ved den teknologiske utvikling innen Informasjons og Kommunikasjons Teknologi", Foredrag ved seminaret 'Informasjonsteknologi og sårbarhet' arrangert av de norske forskningsetiske komiteer, Trondheim, Norge, 26 November 1996

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1995

Bjarne E. Helvik and Lars Hofseth. "Self-similar traffic and multilevel source models." In J. Virtamo, editor. The 12'th Nordic Teletraffic Seminar (NTS-12) , Esbo, Finland, 22 - 24 August 1995. VTT Symposium Series. Also available as STF40 A95069.

Bjarne E. Helvik and Norvald Stol. "ATM traffic experiments; a laboratory study of service interaction, loss fairness and loss characteristics." In J. Virtamo, editor. The 12'th Nordic Teletraffic Seminar (NTS-12), Esbo, Finland, 22 - 24 August 1995. VTT Symposium Series. Also available as STF40 A95062.

Bjarne E. Helvik. Synthetic Load Generation for ATM Traffic Measurements. Telektronikk, Vol. 91(2/3):174 - 194, October 1995.

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1994

Bjarne E. Helvik and Poul E. Heegaard. A technique for measuring rare cell losses in ATM systems. In J. Robers, editor, Proc. of the 14th International Teletraffic Congress (ITC 14) , Antibes Juan-les-Pins, France, June 6 - 10 1994. Elsevier. (STF40 A94083)

Bjarne E. Helvik and Sven Arne Gylterud. Identification of operational modes of distributed systems by cluster analysis. In Nordic Seminar on Dependable Computing Systems'1994 , Copenhagen, Denmark, August 1994. (STF40 A94108)

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1993

Bjarne E. Helvik, Ole Melteig, and Leif Morland. The synthesized traffic generator; objectives, design and capabilities. In Integrated Broadband Communication Networks and Services (IBCN&S) . IFIP, Elsevier, April 20-23 1993. Copenhagen, Denmark. (STF40 A993077)

Poul E. Heegaard and Bjarne E. Helvik. Establishing ATM source models for traffic measurements. In Karl Lindberger, editor, The 11'th Nordic Teletraffic Seminar (NTS-11) , Stockholm, Sweden, 24 - 26 August 1993. Telia Research. Also available as STF40 A93110.

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1992

Poul E. Heegaard and Bjarne E. Helvik. Dependability simulation of systems modelled by local state diagrams; application of importance sampling. In Nordic Seminar on Dependable Computing Systems 1992 (NSDCS'92) , August 19 - 21 1992. (Also available as STF40 A92113)

Poul E. Heegaard, Bjarne E. Helvik, and Norvald Stol. Efficient traffic algorithms for general complex resource handling problems. In The 10'th Nordic Teletraffic Seminar (NTS-10) , pages 105 116, Århus, Denmark, August 25 - 27 1992. Jydsk Telefon. Also available as STF40 A 92115.

Bjarne E. Helvik and Per R. Hokstad. The colouring of ATM cell streams passing a FIFO buffer. In The 10'th Nordic Teletraffic Seminar (NTS-10) , pages 363 372, Århus, Denmark, August 25 - 27 1992. Jydsk Telefon. Also available as STF40 A 92133.

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1991

H. G. Diavolitsis, Bjarne E. Helvik, Ralf Lehnert, and Jens Michelsen. Traffic generation for ATM systems testing environment, modelling and feasibility studies . In C.D. Pack, editor, Queueing, Performance and Control in ATM , pages 83 - 92. Elsevier Science Publishers B. V.,13'th International Teletraffic Congress, Copenhagen, June 1991. (STF40 A91111)

Bjarne E. Helvik, Per Hokstad, and Norvald Stol. Correlation in {ATM} traffic streams - Some results. In C. D. Pack, editor, Queueing, Performance and Control in ATM , pages 25-32. Elsevier Science Publishers B. V., 13'th International Teletraffic Congress, Copenhagen, June 19 - 26 1991. (STF40 A91110)

Finn Arve Aagesen, Bjarne E. Helvik. On Excess Process Policing in B-ISDN Networks .In C. D. Pack, editor, Tele and Data Traffic , pages 841 - 846. Elsevier Science Publishers B. V., 13'th International Teletraffic Congress, Copenhagen, June 19 -- 26 1991. (STF40 A91112)

Poul E. Heegaard, Bjarne E. Helvik, and Egil Gotaas. Synchronized local state diagrams (SLSD); description of a dependability modelling method under development. In Safety of Computer and Control Systems (SAFECOMP 91) , pages 83 87. IFAC, Oct 30 - Nov 1 1991. (Also available as STF40 A91156)

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Some older publications

Bjarne E. Helvik: Modeling the Influence of Unreliable Software in Distributed Computer Systems. In Digest of paper, FTCS-18 - The eighteenth international symposium on fault-tolerant computing , volume 18, pages 136 141, June 1988, (STF44 A88114).

Bjarne E. Helvik, Anders Rygh Swensen: "Modelling of Clustering Effects in Point Processes. An Application to Failures in SPC-Systems". Scandinavian Journal of Statistics, Vol. 14, pp. 57-66, 1987. (STF44 A87113.)

Edvin Bredrup, Kåre Evensen, Bjarne E. Helvik, Anders Rygh Swensen: "The Activity Dependent Failure Intensity of SPC Systems - Some Empirical Results". IEEE Journal on Selected Areas in Communication, Vol. SAC-4, No.7, pp. 1052-1059, 1986. (STF44 A86160)

Bjarne E. Helvik, Norvald Stol: "Process Oriented Reliability Simulation of Satellite Communication Systems". European Reliability Conference, REL-CON'86, Copenhagen, Denmark, june 16-20, 1986. Also in: Reliability Technology, Theory & Applications. Part 2, Advanced professional seminars, pp. 227-236. North-Holland, Amsterdam, 1986. (STF44 A86091.)

Bjarne E. Helvik: "Periodic Maintenance. On the Effect of Imperfectness". The 10th International Symposium on Fault Tolerant Computing, FTCS-10, Kyoto, Japan, 1.-3. oktober 1980, Proc. pp 204-206. (STF44 A81107.)

Bjarne E. Helvik, Even Skogan: "An analytical model for Traffic Flow in a Network with both Centralized and Distributed Control". Ninth International Teletraffic Congress, ITC-9, Torremolinos, Spain, 16-24 Oct 1979, paper no. 634, (STF44 A79185.)

Bjarne E. Helvik: "An Approach to Optimal Reconfiguration in Dynamic Fault-Tolerant Systems", The Eight Annual International Conference on Fault-Tolerant Computing, France, 21-23 June 1978. Abstract of presentation in proc. p. 199.

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