Norvald Stol
About
Research area
My research is in the area of networking, with special emphasis on optical networks. Some important focus areas:
- (Optical) Network architectures
- Switching
- Routing
- Signalling and control
- Performance and dependability modelling
- Quality of Service
- Integrated hybrid optical switching architectures
- Passive Optical (access) Networks (PONs)
Background
- Professor Department of information security and communication technology, 2017 -
- Head of Department, Telematics, NTNU, 2005 - 2009.
- Associate professor Department of telematics, NTNU, 1998 - 2017.
- Dr.ing. degree Department of telematics, NTNU in 1997.
- Research scientist, SINTEF, 1984 - 1998.
- Siv.ing. (MSc) degree Department of telematics, NTNU, 1983.
Research area: Networks
Publications
2021
-
Chatterjee, Bijoy Chand;
Stol, Norvald;
Oki, Eiji.
(2021)
Impairment-aware spectrum allocation in elastic optical networks: A dispersion-sensitive approach.
Optical fiber technology (Print).
volum 61.
Academic article
2018
-
Chatterjee, Bijoy Chand;
Sarma, Nityananda;
Mitra, Abhijit;
Srivastava, Anand;
Stol, Norvald;
Oki, Eiji.
(2018)
Performance of Dispersion-Reduced Wavelength Assignment in Wavelength-Routed Optical Networks.
International Conference on Transparent Optical Networks.
volum 2018-July.
Academic article
2017
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2017)
Economic, Dissatisfaction and Reputation Risks of Hardware and Software Failures in PONs.
IEEE/ACM Transactions on Networking.
volum 25 (2).
Academic article
2016
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2016)
Managing software failures and capacity assignment to control interval availability in PONs.
Proceedings of 2016 8th International Workshop on Resilient Networks Design and Modeling (RNDM).
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald;
Chi, Hao;
Li, Qiliang.
(2016)
Optimized design of delay-line buffers with an input-feedback mechanism for asynchronous optical packet switching networks.
Applied Optics.
volum 55 (31).
Academic article
2015
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2015)
CAPEX and OPEX simulation study of cost-efficient protection mechanisms in passive optical networks.
Optical Switching and Networkning Journal.
volum 17.
Academic article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2015)
Influence of Software and Hardware Failures with Imperfect Fault Coverage on PONs OPEX.
Proceedings of the 19th International Conference on Optical Network Design and Modeling (ONDM 2015).
Academic chapter/article
2014
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2014)
Failure Impact, Availability and Cost Analysis of PONs Based on a Network Geometric Model.
Guangzi xuebao.
volum 43 (S1).
Academic article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2014)
OPEX simulation study of PONs based on network geometric and Markov cost models.
Proceedings of 2014 International Conference on Optical Network Design and Modeling (ONDM).
Academic chapter/article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2014)
On the Impact of Software Failures on Time Division Multiplexed Passive Optical Networks Dependability.
Proceedings of RNDM 2014 6th International Workshop on Reliable Networks Design and Modeling.
Academic chapter/article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2014)
Protecting PONs: A failure impact, availability and cost perspective based on a geometric model.
Proceedings of 10TH INTERNATIONAL CONFERENCE ON DESIGN OF RELIABLE COMMUNICATION NETWORKS DRCN 2014.
Academic chapter/article
-
Savi, Michele;
Øverby, Harald;
Stol, Norvald;
Raffaelli, Carla.
(2014)
Cost evolution model to design optical switching fabrics with wavelength converters.
Computer Networks.
Academic article
-
Veisllari, Raimena;
Stol, Norvald;
Bjørnstad, Steinar;
Raffaelli, Carla.
(2014)
Scalability Analysis of SDN-controlled Optical Ring MAN with Hybrid Traffic.
ICC 2014 - Proceedings of 2014 IEEE International Conference on Communications.
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald.
(2014)
Blocking probabilities in Mulit-service systems with preemptive scheduling.
International Conference on Communication Theory, Reliability, and Quality of Service.
Academic article
-
Yang, Shuna;
Stol, Norvald.
(2014)
Performance and cost comparison of concentrated and unconcentrated optical packet switches.
2014 IEEE 15th International Conference on High Performance Switching and Routing (HPSR).
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald.
(2014)
Performance modeling in multi-service communications systems with preemptive scheduling.
Journal of Communications.
volum 9 (6).
Academic article
-
Yang, Shuna;
Stol, Norvald.
(2014)
Design of delay-line buffers for asynchronous optical packet switched networks.
Telecommunication networks and application conference(ATNAC)Australian.
Academic chapter/article
2013
-
Yang, Shuna;
Stol, Norvald;
Øverby, Harald.
(2013)
A novel approach in modeling multi-service optical packet switched networks with the preemptive drop policy.
17th International Conference on Optical Networking Design and Modeling.
Academic chapter/article
-
Fernandez Fernandez, Alvaro;
Savi, Michele;
Stol, Norvald.
(2013)
Protecting real-time traffic service in a 3-LIHON hybrid node.
17th International Conference on Optical Networking Design and Modeling.
Academic chapter/article
-
Savi, Michele;
Øvreby, Harald;
Stol, Norvald;
Raffaelli, Carla.
(2013)
Sharing Wavelength Converters in Optical Switching Fabrics: When, How, and Which Kind of?.
17th International Conference on Optical Networking Design and Modeling.
Academic chapter/article
-
Veisllari, Raimena;
Bjørnstad, Steinar;
Bozorgebrahimi, Kurosh;
Stol, Norvald.
(2013)
Providing Ethernet Circuit Quality of Service and High Bandwidth Efficiency through Fusion Networking.
Norsk informatikkonferanse NIK 2013, Universitetet i Stavanger, 18. - 20.november 2013.
Academic chapter/article
2012
-
Savi, Michele;
Raffaelli, Carla;
Stol, Norvald;
Leli, Gaia.
(2012)
Performance Assessment of Congestion Resolution Scheduling in Asynchronous 3-Level Integrated Hybrid Optical Network (A-3LIHON).
XVth InternationalTelecommunications Network Strategy and Planning Symposium (NETWORKS), 2012.
Academic chapter/article
-
Savi, Michele;
Stol, Norvald;
Øverby, Harald;
Raffaelli, Carla.
(2012)
Loss, Complexity and Cost Analysis of an Optical Switching Fabric Using Fixed Converters.
16th International Conference on Optical Network Design and Modeling (ONDM), 2012.
Academic chapter/article
-
Savi, Michele;
Stol, Norvald;
Øverby, Harald;
Raffaelli, Carla.
(2012)
Contention Resolution Using Parametric Wavelength Converters: Performance and Cost Analysis.
2012 IEEE Global Telecommunications Conference -GLOBECOM 2012.
Academic chapter/article
-
Savi, Michele;
Øverby, Harald;
Stol, Norvald;
Raffaelli, Carla.
(2012)
Contention Resolution Using Parametric Wavelength Converters: Performance and Cost Analysis.
GLOBECOM - conference record / IEEE Global Telecommunications Conference.
Academic article
-
Veisllari, Raimena;
Bjørnstad, Steinar;
Stol, Norvald.
(2012)
A rate-adaptive segmentation algorithm for integrated hybrid optical networks.
2012 Australasian Telecommunication Networks and Applications Conference (ATNAC).
Academic chapter/article
-
Veisllari, Raimena;
Bjørnstad, Steinar;
Stol, Norvald.
(2012)
Scheduling techniques in an integrated hybrid node with electronic buffers.
16th International Conference on Optical Network Design and Modeling (ONDM), 2012.
Academic chapter/article
-
Veisllari, Raimena;
Stol, Norvald;
Bjørnstad, Steinar.
(2012)
GMPLS-based Multi-Region Control Plane for Integrated Hybrid Optical Networks.
9th International Conference on High-capacity Optical Networks & Emerging/Enabling Technologies.
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald.
(2012)
Architecture and Performance Evaluation of the Edge Router for an Integrated Hybrid Optical Network.
First IEEE International Conference on Communications in China: Optical Networks and Systems (ONS).
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald.
(2012)
Packet Loss Bounds for Asynchronous Bufferless Optical Packet Switches with Limited Range Wavelength Converters.
GLOBECOM - conference record / IEEE Global Telecommunications Conference.
Academic article
-
Yang, Shuna;
Stol, Norvald.
(2012)
Packet Loss Bounds for Asynchronous Bufferless Optical Packet Switches with Limited Range Wavelength Converters.
2012 IEEE Global Telecommunications Conference -GLOBECOM 2012.
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald;
Øverby, Harald.
(2012)
Performance Modelling of Asynchronous Bufferless Optical Packet Switches with Limited Range Wavelength Converters.
Proceedings 17th European Conference on network and Optical Communication, June 20-22, 2012, Catalonia Spain.
Academic chapter/article
2011
-
Stol, Norvald;
Raffaelli, Carla;
Savi, Michele.
(2011)
3-Level Integrated Hybrid Optical Network (3LIHON) to Meet Future QoS Requirements.
2011 IEEE Global Telecommunications Conference - GLOBECOM 2011.
Academic chapter/article
-
Stol, Norvald;
Savi, Michele;
Raffaelli, Carla.
(2011)
3-Level Integrated Hybrid Optical Network (3LIHON) to Meet Future QoS Requirements.
GLOBECOM - conference record / IEEE Global Telecommunications Conference.
Academic article
2010
-
Kimsas, Andreas;
Bjørnstad, Steinar;
Øverby, Harald;
Stol, Norvald.
(2010)
Improving performance in the OpMiGua hybrid network employing the network layer packet redundancy scheme.
IET Communications.
volum 4 (3).
Academic article
-
Stol, Norvald;
Raffaelli, Carla;
Savi, Michele;
Cincotti, Gabriella.
(2010)
Optical Codes for Packet Detection in the OpMiGua Switch Architecture.
Proceedings "Integrated Photonics Research, Silicon and Nano Photonics (IPR)/Photonics in Switching (PS)".
Academic chapter/article
2009
-
Kimsas, Andreas;
Øverby, Harald;
Stol, Norvald.
(2009)
Analysis of a bufferless OpMiGua Node.
Proceedings of the 5th advanced international conference on telecommunications.
Academic chapter/article
2007
-
Bjørnstad, Steinar;
Nord, Martin;
Eriksen, Lars Erik;
Tuft, Vegard Larsen;
Hjelme, Dag Roar;
Stol, Norvald;
Kimsas, Andreas;
Sudbo, A.
(2007)
Demonstration and analysis of TV- and data transport in the OpMiGua hybrid circuit/packet switched network testbed.
33rd European Conference and Exhibition on Optical Communication Conference.
Academic chapter/article
-
Kimsas, Andreas;
Bjørnstad, Steinar;
Øverby, Harald;
Stol, Norvald.
(2007)
Reservation Techniques in an OpMiGua node.
11th International IFIP TC6 Conference, ONDM 2007.
Academic chapter/article
2006
-
Kimsås, Andreas;
Bjørnstad, Steinar;
Øverby, Harald;
Stol, Norvald.
(2006)
Protection Using Redundancy in a Hybrid Circuit/Packet Node Design.
proceedings of the 32th European Conference on Optical Communications.
Academic chapter/article
-
Kimsås, Andreas;
Øverby, Harald;
Bjørnstad, Steinar;
Stol, Norvald.
(2006)
Performance in a failure situation of an OpMiGua packet switch with internal blocking.
Proceedings of the 8th International Conference on Transparent Optical Networks, volume 3.
Academic chapter/article
-
Li, Frank Y.;
Stol, Norvald;
Helvik, Bjarne E..
(2006)
Conformance Deterioration in QoS Networks: Phenomenon, Analysis and Elimination.
Computer Networks.
volum 50 (12).
Academic article
-
Stol, Norvald;
Øverby, Harald;
Bjørnstad, Steinar;
Kimsås, Andreas;
Mykkeltveit, Anders.
(2006)
Differentiated Survivability in the OpMiGua Hybrid Optical Network.
Proceedings of the 10th Conference on Optical Network Design and Modelling.
Academic chapter/article
-
Bjørnstad, Steinar;
Hjelme, Dag Roar;
Stol, Norvald.
(2006)
A Packet-Switched Hybrid Optical Network with Service Guarantees.
IEEE Journal on Selected Areas in Communications.
volum 24 (8).
Academic article
-
Li, Frank;
Stol, Norvald;
Helvik, Bjarne Emil.
(2006)
Conformance deterioration in QoS networks: Phenomenon, analysis and elimination.
Computer Networks.
volum 50 (12).
Academic article
-
Nord, Martin;
Bjørnstad, Steinar;
Tuft, Vegard;
Kimsås, Andreas;
Hjelme, Dag Roar;
Eriksen, Lars Erik;
Olsen, Torodd;
Øverby, Harald;
Sudbø, Aasmund Sveinung;
Stol, Norvald;
Austad, Oddgeir;
Kåråsen, Anne-Grete;
Millstein, Geir.
(2006)
The OpMiGua project - final report.
2006. Telenor FoU report (Rxx).
Report
-
Øverby, Harald;
Stol, Norvald.
(2006)
QoS Differentiation in Asynchronous Bufferless Optical Packet Switched Networks.
Wireless networks.
volum 12 (3).
Academic article
-
Øverby, Harald;
Stol, Norvald;
Nord, Martin.
(2006)
Evaluation of QoS Differentiation Mechanisms in Asynchronous Bufferless Optical Packet Switched Networks.
IEEE Communications Magazine.
volum 44 (8).
Academic article
2005
-
Bjørnstad, Steinar;
Nord, Martin;
Olsen, Torodd;
Hjelme, Dag Roar;
Stol, Norvald.
(2005)
Burst, packet and hybrid switching in the optical core network.
Telektronikk.
volum 101 (2).
Academic article
-
Bjørnstad, Steinar;
Sudbø, Aasmund;
Andreassen, Ragnar;
Zouganelli, Evi;
Stol, Norvald;
Helvik, Bjarne Emil.
(2005)
Node redundancy in optical burst and packet switched networks.
Proceedings of the 7th International Conference on Transparent Optical networks (ICTON) in Barcelona, Vol. 1.
Academic chapter/article
-
Bjørnstad, Steinar;
Øverby, Harald;
Stol, Norvald;
Hjelme, Dag Roar.
(2005)
Protecting guaranteed service traffic in an OpMiGua hybrid network.
31st European Conference on Optical Communications - ECOC 2005 - Proceedings.
Academic chapter/article
-
Zouganeli, Evi;
Solheim, Astrid;
Kjølnesberg, Heidi;
Andreassen, Ragnar;
Feng, Boning;
Stol, Norvald;
Sudbø, Aasmund;
Helvik, Bjarne Emil.
(2005)
Techno-Economic Evaluation of Optical Packet/Burst Switching.
IEE Conferance publication.
Academic article
-
Øverby, Harald;
Stol, Norvald;
Bjørnstad, Steinar.
(2005)
Dependability differentiation in Optical Packet Switched Networks.
Proceedings of the 7th International Conference on Transparent Optical networks (ICTON) in Barcelona, Vol. 1.
Academic chapter/article
-
Zouganeli, Evi;
Andreassen, Ragnar Ø.;
Boning, Feng;
Solem, Astrid;
Stol, Norvald;
Kjønsberg, Heidi;
Sudbø, Aasmund;
Helvik, Bjarne Emil;
Haugen, Rolf B..
(2005)
Why bother with optical packets? An evaluation of the viability of optical packet/burst switching.
Telektronikk.
volum 101 (2).
Academic article
-
Zouganeli, Evi;
Andreassen, Ragnar Ø;
Feng, Boning;
Solem, Astrid;
Stol, Norvald;
Kjønsberg, Heidi;
Sudbø, Aasmund;
Helvik, Bjarne E.;
Haugen, Rolf.
(2005)
Why bother with optical packets? An evaluation of the viability of optical packet/burst switching.
Telektronikk.
volum 101 (2).
Academic article
-
Zouganeli, Evi;
Andreassen, Ragnar Øivind;
Feng, Boning;
Solem, Astrid;
Stol, Norvald;
Kjønsberg, Heidi;
Sudbø, Aasmund;
Helvik, Bjarne.
(2005)
Why bother with optical packets? An evaluation of the viability of optical packet/burst switching.
Telektronikk.
volum 101 (2).
Academic article
-
Zouganeli, Evi;
Andreassen, Ragnar;
Feng, Boning;
Solem, Astrid;
Stol, Norvald;
Kjønsberg, Heidi;
Sudbø, Aasmund Sveinung;
Helvik, Bjarne;
Haugen, Rolf B.
(2005)
Why bother with optical packets? An evaluation of the viability of optical packet/burst switching.
Telektronikk.
volum 101 (2).
Academic article
-
Øverby, Harald;
Stol, Norvald.
(2005)
Providing absolute QoS in asynchronous bufferless optical packet/burst switched networks with the adaptive preemptive drop policy.
Computer Communications.
volum 28.
Academic article
2004
-
Nord, Martin;
Øverby, Harald;
Stol, Norvald.
(2004)
Packet Loss Rate- and Jitter Differentiating QoS Schemes for Asynchronous Optical Packet Switches.
Journal of Optical Networking.
volum 3 (12).
Academic article
-
Øverby, Harald;
Stol, Norvald.
(2004)
Effects of the switching time in OPS/OBS networks.
Chinese Optics Letters (COL).
volum 2 (3).
Academic article
-
Øverby, Harald;
Stol, Norvald.
(2004)
Quality of Service in Asynchronous Bufferless Optical Packet Switched Networks.
Telecommunications Systems.
volum 27 (2-4).
Academic article
-
Øverby, Harald;
Stol, Norvald.
(2004)
Effects of bursty traffic in service differentiated Optical Packet Switched networks.
Optics Express.
volum 12 (3).
Academic article
2003
-
Fallmyr, Terje;
Hadjerrouit, Said;
Langmyhr, Dag;
Lingjærde, Ole Chr.;
Manne, Fredrik;
Midtstraum, Roger;
Stol, Norvald;
Strøm, Torbjørn;
Yu, Weihai.
(2003)
Norsk Informatikkonferanse NIK'2003.
Tapir Akademisk Forlag. 2003. ISBN 82-519-1916-9. Norsk Informatikkonferanse.
Scientific anthology
2002
-
Stol, Norvald.
(2002)
Norsk Informatikkonferanse 2002.
Tapir Akademisk Forlag. 2002. ISBN 82-91116-45-8.
Scientific anthology
-
Stol, Norvald;
Strøm, Torbjørn;
Fallmyr, Terje;
Haddjerroudit, Sissel;
Langmyhr, Dag;
Lingjærde, Ole Chr.;
Manne, Fredrik;
Midtstraum, Roger;
Yu, Weihai.
(2002)
Norsk Informatikkonferanse NIK'2002.
2002. ISBN 82-91116-45-8.
Report
-
Li, Frank Young;
Stol, Norvald.
(2002)
A study on traffic shaping, policing and conformance deterioration for QoS contracted networks.
GLOBECOM - conference record / IEEE Global Telecommunications Conference.
Academic article
-
Li, Frank Young;
Stol, Norvald.
(2002)
QoS provisioning using traffic shaping and policing in 3rd-generation wireless networks.
IEEE Wireless Communications and Networking Conference.
Academic article
-
Stol, Norvald.
(2002)
Norsk Informatikkonferanse NIK'2002.
Tapir Akademisk Forlag. 2002. ISBN 82-91116-45-8.
Scientific anthology
2001
-
Stol, Norvald;
Weihai, Yu;
Bjørnestad, Solveig;
Fallmyr, Terje;
Hadjerrouit, Said;
Langmyr, Dag;
Lysne, Olav;
Manne, Fredrik;
Natvig, Lasse.
(2001)
Norsk Informatikkonferanse, NIK'2001.
2001. ISBN 82-90487-96-7.
Nonfiction book
-
Stol, Norvald;
Yu, Weihai;
Bjørnestad, Solveig;
Fallmyr, Terje;
Hajdrrouit, Said;
Langmyhr, Dag.
(2001)
Proceedings of Norsk informatikkonferanse - NIK'2001.
Tapir Akademisk Forlag. 2001. ISBN 82-90487-96-7.
Scientific anthology
-
Li, Frank Young;
Stol, Norvald.
(2001)
A priority-oriented call admission control paradigm with QoS renegotiation for multimedia services in UMTS.
IEEE Vehicular Technology Conference (VTC) Proceedings.
Academic article
-
Stol, Norvald.
(2001)
NIK 2001.
2001. ISBN 82-90487-96-7.
Scientific anthology
2000
-
Munthe-Kaas, Ellen;
Fallmyr, Terje;
Bjørnestad, Solveig;
Hadjerrouit, Said;
Krogdahl, Stein;
Manne, Fredrik;
Natvig, Lasse;
Stol, Norvald;
Yu, Weihai.
(2000)
Norsk Informatikkonferanse NIK'2000.
Tapir Akademisk Forlag. 2000. ISBN 82-7314-308-2.
Scientific anthology
1997
-
Helvik, Bjarne Emil;
Stol, Norvald.
(1997)
QoS differentiation in ATM networks : a case study.
Telektronikk.
volum 93 (1).
Academic article
-
Stol, Norvald.
(1997)
Fluid flow based modelling and analysis of integrated services networks.
1997. ISBN 82-471-0046-0. Doktor ingeniøravhandling (1997:17).
PhD thesis
1996
-
Helvik, Bjarne Emil;
Stol, Norvald.
(1996)
QoS differentiation in ATM networks : an initial study.
1996. ISBN 82-595-9700-4. SINTEF Rapport (STF40 A).
Report
-
Stol, Norvald;
Helvik, Bjarne Emil.
(1996)
ATM traffic experiments : a laboratory study of high-speed-data source characteristics on ATM switching performance.
1996. ISBN 82-595-9698-9. SINTEF Rapport (STF40 A).
Report
Scientific articles
-
Chatterjee, Bijoy Chand;
Stol, Norvald;
Oki, Eiji.
(2021)
Impairment-aware spectrum allocation in elastic optical networks: A dispersion-sensitive approach.
Optical fiber technology (Print).
volum 61.
Academic article
-
Chatterjee, Bijoy Chand;
Sarma, Nityananda;
Mitra, Abhijit;
Srivastava, Anand;
Stol, Norvald;
Oki, Eiji.
(2018)
Performance of Dispersion-Reduced Wavelength Assignment in Wavelength-Routed Optical Networks.
International Conference on Transparent Optical Networks.
volum 2018-July.
Academic article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2017)
Economic, Dissatisfaction and Reputation Risks of Hardware and Software Failures in PONs.
IEEE/ACM Transactions on Networking.
volum 25 (2).
Academic article
-
Yang, Shuna;
Stol, Norvald;
Chi, Hao;
Li, Qiliang.
(2016)
Optimized design of delay-line buffers with an input-feedback mechanism for asynchronous optical packet switching networks.
Applied Optics.
volum 55 (31).
Academic article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2015)
CAPEX and OPEX simulation study of cost-efficient protection mechanisms in passive optical networks.
Optical Switching and Networkning Journal.
volum 17.
Academic article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2014)
Failure Impact, Availability and Cost Analysis of PONs Based on a Network Geometric Model.
Guangzi xuebao.
volum 43 (S1).
Academic article
-
Savi, Michele;
Øverby, Harald;
Stol, Norvald;
Raffaelli, Carla.
(2014)
Cost evolution model to design optical switching fabrics with wavelength converters.
Computer Networks.
Academic article
-
Yang, Shuna;
Stol, Norvald.
(2014)
Blocking probabilities in Mulit-service systems with preemptive scheduling.
International Conference on Communication Theory, Reliability, and Quality of Service.
Academic article
-
Yang, Shuna;
Stol, Norvald.
(2014)
Performance modeling in multi-service communications systems with preemptive scheduling.
Journal of Communications.
volum 9 (6).
Academic article
-
Savi, Michele;
Øverby, Harald;
Stol, Norvald;
Raffaelli, Carla.
(2012)
Contention Resolution Using Parametric Wavelength Converters: Performance and Cost Analysis.
GLOBECOM - conference record / IEEE Global Telecommunications Conference.
Academic article
-
Yang, Shuna;
Stol, Norvald.
(2012)
Packet Loss Bounds for Asynchronous Bufferless Optical Packet Switches with Limited Range Wavelength Converters.
GLOBECOM - conference record / IEEE Global Telecommunications Conference.
Academic article
-
Stol, Norvald;
Savi, Michele;
Raffaelli, Carla.
(2011)
3-Level Integrated Hybrid Optical Network (3LIHON) to Meet Future QoS Requirements.
GLOBECOM - conference record / IEEE Global Telecommunications Conference.
Academic article
-
Kimsas, Andreas;
Bjørnstad, Steinar;
Øverby, Harald;
Stol, Norvald.
(2010)
Improving performance in the OpMiGua hybrid network employing the network layer packet redundancy scheme.
IET Communications.
volum 4 (3).
Academic article
-
Li, Frank Y.;
Stol, Norvald;
Helvik, Bjarne E..
(2006)
Conformance Deterioration in QoS Networks: Phenomenon, Analysis and Elimination.
Computer Networks.
volum 50 (12).
Academic article
-
Bjørnstad, Steinar;
Hjelme, Dag Roar;
Stol, Norvald.
(2006)
A Packet-Switched Hybrid Optical Network with Service Guarantees.
IEEE Journal on Selected Areas in Communications.
volum 24 (8).
Academic article
-
Li, Frank;
Stol, Norvald;
Helvik, Bjarne Emil.
(2006)
Conformance deterioration in QoS networks: Phenomenon, analysis and elimination.
Computer Networks.
volum 50 (12).
Academic article
-
Øverby, Harald;
Stol, Norvald.
(2006)
QoS Differentiation in Asynchronous Bufferless Optical Packet Switched Networks.
Wireless networks.
volum 12 (3).
Academic article
-
Øverby, Harald;
Stol, Norvald;
Nord, Martin.
(2006)
Evaluation of QoS Differentiation Mechanisms in Asynchronous Bufferless Optical Packet Switched Networks.
IEEE Communications Magazine.
volum 44 (8).
Academic article
-
Bjørnstad, Steinar;
Nord, Martin;
Olsen, Torodd;
Hjelme, Dag Roar;
Stol, Norvald.
(2005)
Burst, packet and hybrid switching in the optical core network.
Telektronikk.
volum 101 (2).
Academic article
-
Zouganeli, Evi;
Solheim, Astrid;
Kjølnesberg, Heidi;
Andreassen, Ragnar;
Feng, Boning;
Stol, Norvald;
Sudbø, Aasmund;
Helvik, Bjarne Emil.
(2005)
Techno-Economic Evaluation of Optical Packet/Burst Switching.
IEE Conferance publication.
Academic article
-
Zouganeli, Evi;
Andreassen, Ragnar Ø.;
Boning, Feng;
Solem, Astrid;
Stol, Norvald;
Kjønsberg, Heidi;
Sudbø, Aasmund;
Helvik, Bjarne Emil;
Haugen, Rolf B..
(2005)
Why bother with optical packets? An evaluation of the viability of optical packet/burst switching.
Telektronikk.
volum 101 (2).
Academic article
-
Zouganeli, Evi;
Andreassen, Ragnar Ø;
Feng, Boning;
Solem, Astrid;
Stol, Norvald;
Kjønsberg, Heidi;
Sudbø, Aasmund;
Helvik, Bjarne E.;
Haugen, Rolf.
(2005)
Why bother with optical packets? An evaluation of the viability of optical packet/burst switching.
Telektronikk.
volum 101 (2).
Academic article
-
Zouganeli, Evi;
Andreassen, Ragnar Øivind;
Feng, Boning;
Solem, Astrid;
Stol, Norvald;
Kjønsberg, Heidi;
Sudbø, Aasmund;
Helvik, Bjarne.
(2005)
Why bother with optical packets? An evaluation of the viability of optical packet/burst switching.
Telektronikk.
volum 101 (2).
Academic article
-
Zouganeli, Evi;
Andreassen, Ragnar;
Feng, Boning;
Solem, Astrid;
Stol, Norvald;
Kjønsberg, Heidi;
Sudbø, Aasmund Sveinung;
Helvik, Bjarne;
Haugen, Rolf B.
(2005)
Why bother with optical packets? An evaluation of the viability of optical packet/burst switching.
Telektronikk.
volum 101 (2).
Academic article
-
Øverby, Harald;
Stol, Norvald.
(2005)
Providing absolute QoS in asynchronous bufferless optical packet/burst switched networks with the adaptive preemptive drop policy.
Computer Communications.
volum 28.
Academic article
-
Nord, Martin;
Øverby, Harald;
Stol, Norvald.
(2004)
Packet Loss Rate- and Jitter Differentiating QoS Schemes for Asynchronous Optical Packet Switches.
Journal of Optical Networking.
volum 3 (12).
Academic article
-
Øverby, Harald;
Stol, Norvald.
(2004)
Effects of the switching time in OPS/OBS networks.
Chinese Optics Letters (COL).
volum 2 (3).
Academic article
-
Øverby, Harald;
Stol, Norvald.
(2004)
Quality of Service in Asynchronous Bufferless Optical Packet Switched Networks.
Telecommunications Systems.
volum 27 (2-4).
Academic article
-
Øverby, Harald;
Stol, Norvald.
(2004)
Effects of bursty traffic in service differentiated Optical Packet Switched networks.
Optics Express.
volum 12 (3).
Academic article
-
Li, Frank Young;
Stol, Norvald.
(2002)
A study on traffic shaping, policing and conformance deterioration for QoS contracted networks.
GLOBECOM - conference record / IEEE Global Telecommunications Conference.
Academic article
-
Li, Frank Young;
Stol, Norvald.
(2002)
QoS provisioning using traffic shaping and policing in 3rd-generation wireless networks.
IEEE Wireless Communications and Networking Conference.
Academic article
-
Li, Frank Young;
Stol, Norvald.
(2001)
A priority-oriented call admission control paradigm with QoS renegotiation for multimedia services in UMTS.
IEEE Vehicular Technology Conference (VTC) Proceedings.
Academic article
-
Helvik, Bjarne Emil;
Stol, Norvald.
(1997)
QoS differentiation in ATM networks : a case study.
Telektronikk.
volum 93 (1).
Academic article
Books
-
Fallmyr, Terje;
Hadjerrouit, Said;
Langmyhr, Dag;
Lingjærde, Ole Chr.;
Manne, Fredrik;
Midtstraum, Roger;
Stol, Norvald;
Strøm, Torbjørn;
Yu, Weihai.
(2003)
Norsk Informatikkonferanse NIK'2003.
Tapir Akademisk Forlag. 2003. ISBN 82-519-1916-9. Norsk Informatikkonferanse.
Scientific anthology
-
Stol, Norvald.
(2002)
Norsk Informatikkonferanse 2002.
Tapir Akademisk Forlag. 2002. ISBN 82-91116-45-8.
Scientific anthology
-
Stol, Norvald.
(2002)
Norsk Informatikkonferanse NIK'2002.
Tapir Akademisk Forlag. 2002. ISBN 82-91116-45-8.
Scientific anthology
-
Stol, Norvald;
Weihai, Yu;
Bjørnestad, Solveig;
Fallmyr, Terje;
Hadjerrouit, Said;
Langmyr, Dag;
Lysne, Olav;
Manne, Fredrik;
Natvig, Lasse.
(2001)
Norsk Informatikkonferanse, NIK'2001.
2001. ISBN 82-90487-96-7.
Nonfiction book
-
Stol, Norvald;
Yu, Weihai;
Bjørnestad, Solveig;
Fallmyr, Terje;
Hajdrrouit, Said;
Langmyhr, Dag.
(2001)
Proceedings of Norsk informatikkonferanse - NIK'2001.
Tapir Akademisk Forlag. 2001. ISBN 82-90487-96-7.
Scientific anthology
-
Stol, Norvald.
(2001)
NIK 2001.
2001. ISBN 82-90487-96-7.
Scientific anthology
-
Munthe-Kaas, Ellen;
Fallmyr, Terje;
Bjørnestad, Solveig;
Hadjerrouit, Said;
Krogdahl, Stein;
Manne, Fredrik;
Natvig, Lasse;
Stol, Norvald;
Yu, Weihai.
(2000)
Norsk Informatikkonferanse NIK'2000.
Tapir Akademisk Forlag. 2000. ISBN 82-7314-308-2.
Scientific anthology
Part of book/report
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2016)
Managing software failures and capacity assignment to control interval availability in PONs.
Proceedings of 2016 8th International Workshop on Resilient Networks Design and Modeling (RNDM).
Academic chapter/article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2015)
Influence of Software and Hardware Failures with Imperfect Fault Coverage on PONs OPEX.
Proceedings of the 19th International Conference on Optical Network Design and Modeling (ONDM 2015).
Academic chapter/article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2014)
OPEX simulation study of PONs based on network geometric and Markov cost models.
Proceedings of 2014 International Conference on Optical Network Design and Modeling (ONDM).
Academic chapter/article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2014)
On the Impact of Software Failures on Time Division Multiplexed Passive Optical Networks Dependability.
Proceedings of RNDM 2014 6th International Workshop on Reliable Networks Design and Modeling.
Academic chapter/article
-
Fernandez Fernandez, Alvaro;
Stol, Norvald.
(2014)
Protecting PONs: A failure impact, availability and cost perspective based on a geometric model.
Proceedings of 10TH INTERNATIONAL CONFERENCE ON DESIGN OF RELIABLE COMMUNICATION NETWORKS DRCN 2014.
Academic chapter/article
-
Veisllari, Raimena;
Stol, Norvald;
Bjørnstad, Steinar;
Raffaelli, Carla.
(2014)
Scalability Analysis of SDN-controlled Optical Ring MAN with Hybrid Traffic.
ICC 2014 - Proceedings of 2014 IEEE International Conference on Communications.
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald.
(2014)
Performance and cost comparison of concentrated and unconcentrated optical packet switches.
2014 IEEE 15th International Conference on High Performance Switching and Routing (HPSR).
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald.
(2014)
Design of delay-line buffers for asynchronous optical packet switched networks.
Telecommunication networks and application conference(ATNAC)Australian.
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald;
Øverby, Harald.
(2013)
A novel approach in modeling multi-service optical packet switched networks with the preemptive drop policy.
17th International Conference on Optical Networking Design and Modeling.
Academic chapter/article
-
Fernandez Fernandez, Alvaro;
Savi, Michele;
Stol, Norvald.
(2013)
Protecting real-time traffic service in a 3-LIHON hybrid node.
17th International Conference on Optical Networking Design and Modeling.
Academic chapter/article
-
Savi, Michele;
Øvreby, Harald;
Stol, Norvald;
Raffaelli, Carla.
(2013)
Sharing Wavelength Converters in Optical Switching Fabrics: When, How, and Which Kind of?.
17th International Conference on Optical Networking Design and Modeling.
Academic chapter/article
-
Veisllari, Raimena;
Bjørnstad, Steinar;
Bozorgebrahimi, Kurosh;
Stol, Norvald.
(2013)
Providing Ethernet Circuit Quality of Service and High Bandwidth Efficiency through Fusion Networking.
Norsk informatikkonferanse NIK 2013, Universitetet i Stavanger, 18. - 20.november 2013.
Academic chapter/article
-
Savi, Michele;
Raffaelli, Carla;
Stol, Norvald;
Leli, Gaia.
(2012)
Performance Assessment of Congestion Resolution Scheduling in Asynchronous 3-Level Integrated Hybrid Optical Network (A-3LIHON).
XVth InternationalTelecommunications Network Strategy and Planning Symposium (NETWORKS), 2012.
Academic chapter/article
-
Savi, Michele;
Stol, Norvald;
Øverby, Harald;
Raffaelli, Carla.
(2012)
Loss, Complexity and Cost Analysis of an Optical Switching Fabric Using Fixed Converters.
16th International Conference on Optical Network Design and Modeling (ONDM), 2012.
Academic chapter/article
-
Savi, Michele;
Stol, Norvald;
Øverby, Harald;
Raffaelli, Carla.
(2012)
Contention Resolution Using Parametric Wavelength Converters: Performance and Cost Analysis.
2012 IEEE Global Telecommunications Conference -GLOBECOM 2012.
Academic chapter/article
-
Veisllari, Raimena;
Bjørnstad, Steinar;
Stol, Norvald.
(2012)
A rate-adaptive segmentation algorithm for integrated hybrid optical networks.
2012 Australasian Telecommunication Networks and Applications Conference (ATNAC).
Academic chapter/article
-
Veisllari, Raimena;
Bjørnstad, Steinar;
Stol, Norvald.
(2012)
Scheduling techniques in an integrated hybrid node with electronic buffers.
16th International Conference on Optical Network Design and Modeling (ONDM), 2012.
Academic chapter/article
-
Veisllari, Raimena;
Stol, Norvald;
Bjørnstad, Steinar.
(2012)
GMPLS-based Multi-Region Control Plane for Integrated Hybrid Optical Networks.
9th International Conference on High-capacity Optical Networks & Emerging/Enabling Technologies.
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald.
(2012)
Architecture and Performance Evaluation of the Edge Router for an Integrated Hybrid Optical Network.
First IEEE International Conference on Communications in China: Optical Networks and Systems (ONS).
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald.
(2012)
Packet Loss Bounds for Asynchronous Bufferless Optical Packet Switches with Limited Range Wavelength Converters.
2012 IEEE Global Telecommunications Conference -GLOBECOM 2012.
Academic chapter/article
-
Yang, Shuna;
Stol, Norvald;
Øverby, Harald.
(2012)
Performance Modelling of Asynchronous Bufferless Optical Packet Switches with Limited Range Wavelength Converters.
Proceedings 17th European Conference on network and Optical Communication, June 20-22, 2012, Catalonia Spain.
Academic chapter/article
-
Stol, Norvald;
Raffaelli, Carla;
Savi, Michele.
(2011)
3-Level Integrated Hybrid Optical Network (3LIHON) to Meet Future QoS Requirements.
2011 IEEE Global Telecommunications Conference - GLOBECOM 2011.
Academic chapter/article
-
Stol, Norvald;
Raffaelli, Carla;
Savi, Michele;
Cincotti, Gabriella.
(2010)
Optical Codes for Packet Detection in the OpMiGua Switch Architecture.
Proceedings "Integrated Photonics Research, Silicon and Nano Photonics (IPR)/Photonics in Switching (PS)".
Academic chapter/article
-
Kimsas, Andreas;
Øverby, Harald;
Stol, Norvald.
(2009)
Analysis of a bufferless OpMiGua Node.
Proceedings of the 5th advanced international conference on telecommunications.
Academic chapter/article
-
Bjørnstad, Steinar;
Nord, Martin;
Eriksen, Lars Erik;
Tuft, Vegard Larsen;
Hjelme, Dag Roar;
Stol, Norvald;
Kimsas, Andreas;
Sudbo, A.
(2007)
Demonstration and analysis of TV- and data transport in the OpMiGua hybrid circuit/packet switched network testbed.
33rd European Conference and Exhibition on Optical Communication Conference.
Academic chapter/article
-
Kimsas, Andreas;
Bjørnstad, Steinar;
Øverby, Harald;
Stol, Norvald.
(2007)
Reservation Techniques in an OpMiGua node.
11th International IFIP TC6 Conference, ONDM 2007.
Academic chapter/article
-
Kimsås, Andreas;
Bjørnstad, Steinar;
Øverby, Harald;
Stol, Norvald.
(2006)
Protection Using Redundancy in a Hybrid Circuit/Packet Node Design.
proceedings of the 32th European Conference on Optical Communications.
Academic chapter/article
-
Kimsås, Andreas;
Øverby, Harald;
Bjørnstad, Steinar;
Stol, Norvald.
(2006)
Performance in a failure situation of an OpMiGua packet switch with internal blocking.
Proceedings of the 8th International Conference on Transparent Optical Networks, volume 3.
Academic chapter/article
-
Stol, Norvald;
Øverby, Harald;
Bjørnstad, Steinar;
Kimsås, Andreas;
Mykkeltveit, Anders.
(2006)
Differentiated Survivability in the OpMiGua Hybrid Optical Network.
Proceedings of the 10th Conference on Optical Network Design and Modelling.
Academic chapter/article
-
Bjørnstad, Steinar;
Sudbø, Aasmund;
Andreassen, Ragnar;
Zouganelli, Evi;
Stol, Norvald;
Helvik, Bjarne Emil.
(2005)
Node redundancy in optical burst and packet switched networks.
Proceedings of the 7th International Conference on Transparent Optical networks (ICTON) in Barcelona, Vol. 1.
Academic chapter/article
-
Bjørnstad, Steinar;
Øverby, Harald;
Stol, Norvald;
Hjelme, Dag Roar.
(2005)
Protecting guaranteed service traffic in an OpMiGua hybrid network.
31st European Conference on Optical Communications - ECOC 2005 - Proceedings.
Academic chapter/article
-
Øverby, Harald;
Stol, Norvald;
Bjørnstad, Steinar.
(2005)
Dependability differentiation in Optical Packet Switched Networks.
Proceedings of the 7th International Conference on Transparent Optical networks (ICTON) in Barcelona, Vol. 1.
Academic chapter/article
Report
-
Nord, Martin;
Bjørnstad, Steinar;
Tuft, Vegard;
Kimsås, Andreas;
Hjelme, Dag Roar;
Eriksen, Lars Erik;
Olsen, Torodd;
Øverby, Harald;
Sudbø, Aasmund Sveinung;
Stol, Norvald;
Austad, Oddgeir;
Kåråsen, Anne-Grete;
Millstein, Geir.
(2006)
The OpMiGua project - final report.
2006. Telenor FoU report (Rxx).
Report
-
Stol, Norvald;
Strøm, Torbjørn;
Fallmyr, Terje;
Haddjerroudit, Sissel;
Langmyhr, Dag;
Lingjærde, Ole Chr.;
Manne, Fredrik;
Midtstraum, Roger;
Yu, Weihai.
(2002)
Norsk Informatikkonferanse NIK'2002.
2002. ISBN 82-91116-45-8.
Report
-
Stol, Norvald.
(1997)
Fluid flow based modelling and analysis of integrated services networks.
1997. ISBN 82-471-0046-0. Doktor ingeniøravhandling (1997:17).
PhD thesis
-
Helvik, Bjarne Emil;
Stol, Norvald.
(1996)
QoS differentiation in ATM networks : an initial study.
1996. ISBN 82-595-9700-4. SINTEF Rapport (STF40 A).
Report
-
Stol, Norvald;
Helvik, Bjarne Emil.
(1996)
ATM traffic experiments : a laboratory study of high-speed-data source characteristics on ATM switching performance.
1996. ISBN 82-595-9698-9. SINTEF Rapport (STF40 A).
Report
Teaching
Courses
Media
2015
-
Academic lectureFernandez Fernandez, Alvaro; Stol, Norvald. (2015) Influence of Software and Hardware Failures with Imperfect Fault Coverage on PONs OPEX. 19th International Conference on Optical Network Design and Modeling (ONDM 2015) ; Pisa. 2015-05-11 - 2015-05-14.
2014
-
Academic lectureYang, Shuna; Stol, Norvald. (2014) Design of delay-line buffers for asynchronous optical packet switched networks. Telecommunication networks and Applications conference (ATNAC) ; 2014-11-26 - 2014-11-28.
2013
-
Academic lectureYang, Shuna; Stol, Norvald; Øverby, Harald. (2013) a novel approach in modeling multi-service optical packet switched networks with the preemptive drop policy. ieee conference on optical networking design and modeling ; brest. 2013-04-16 - 2913-04-19.
-
PosterFernandez Fernandez, Alvaro; Savi, Michele; Stol, Norvald. (2013) Protecting real-time traffic service in a 3-LIHON hybrid node. 17th International Conference on Optical Network Design and Modeling (ONDM), 2013 ; 2013-04-16 - 2013-04-19.
-
Academic lectureFernandez Fernandez, Alvaro; Stol, Norvald. (2013) Failure Impact, Availability and Cost Analysis of PONs Based on a Network Geometric Model. The 11th International Conference on Optical Internet (COIN2013) ; 2013-10-18 - 2013-10-20.
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Academic lectureYang, Shuna; Stol, Norvald. (2013) Architecture, Performance and Cost Analysis of an Optical Packet Switch with Input Concentrators. 2nd IEEE/CIC international conference on communications in china ; 2013-08-12 - 2013-08-14.
2012
-
Academic lectureSavi, Michele; Raffaelli, Carla; Stol, Norvald; Leli, Gaia. (2012) Performance Assessment of Congestion Resolution Scheduling in Asynchronous 3-Level Integrated Hybrid Optical Network (A-3LIHON. Networks 2012 ; 2012-10-15 - 2012-10-18.
-
Academic lectureSavi, Michele; Stol, Norvald; Øverby, Harald; Raffaelli, Carla. (2012) Contention Resolution Using Parametric Wavelength Converters: Performance and Cost Analysis. Globecom 2012 ; 2012-12-03 - 2012-12-07.
-
Academic lectureSavi, Michele; Stol, Norvald; Øverby, Harald; Raffaelli, Carla. (2012) Loss, Complexity and Cost Analysis of an Optical Switching Fabric Using Fixed Converters. ONDM 2012 ; 2012-04-17 - 2012-04-20.
-
Academic lectureYang, Shuna; Stol, Norvald. (2012) Architecture and Performance Evaluation of the Edge Router for an Integrated Hybrid Optical Network. First IEEE International Conference on Communications in China: Optical Networks and Systems (ONS . IEEE; Beijing. 2012-08-15 - 2012-08-17.
-
Academic lectureYang, Shuna; Stol, Norvald. (2012) Packet Loss Bounds for Asynchronous Bufferless Optical Packet Switches with Limited Range Wavelength Converters. Globecom 2012 - Communications QoS, Reliability and Modelling Symposium . IEEE; Anaheim, California. 2012-12-03 - 2012-12-07.
-
Academic lectureYang, Shuna; Stol, Norvald; Øverby, Harald. (2012) Performance Modeling of Asynchronous Bufferless Optical Packet Switches with Limited Range Wavelength Converters. 17th European Conference on Network and Optical Communications (NOC 2012) . IEEE; Catalonia. 2012-06-20 - 2012-06-22.
2011
-
PosterKimsas, Andreas; Bjørnstad, Steinar; Stol, Norvald; Hjelme, Dag Roar. (2011) AWGshare - a Highly Scalable and Strictly Non-Blocking Optical Switch. 15th International Conference on Optical Network Design and Modeling (ONDM 2011) . Universitetet i Bologna; Bologna. 2011-02-07 - 2011-02-10.
-
Academic lectureStol, Norvald; Raffaelli, Carla; Savi, Michele. (2011) 3-Level Integrated Hybrid Optical Network (3LIHON) to Meet Future QoS Requirements. IEEE GLOBECOM 2011 - Global Communications Conference, Exhibitions & Industry forum . IEEE; Huston, Texas. 2011-12-05 - 2011-12-09.
2010
-
PosterStol, Norvald; Raffaelli, Carla; Savi, Michele; Cincotti, Gabriella. (2010) Optical Codes for Packet Detection in the OpMiGua Switch Architecture. Photonics in Switching (PS) 2010 . The Optical Society (OSA); Monterey, California. 2010-07-25 - 2010-07-27.
2007
-
Academic lectureBjørnstad, Steinar; Nord, Martin; Eriksen, Lars Erik; Tuft, Vegard; Hjelme, Dag Roar; Stol, Norvald; Kimsås, Andreas; Sudbø, Aasmund Sveinung. (2007) Demonstration and analysis of TV- and data transport in the OpMiGua hybrid circuit/packet switched network testbed. ,” European Conference on Optical Communication (ECOC 2007), Session 4.6, September 16 - 20, 2007, . Verein der Deutschen Ingenieuren; Berlin, Germany. 2007-09-18 - 2007-09-20.
-
Academic lectureBjørnstad, Steinar; Nord, Martin; Eriksen, Lars Erik; Tuft, Vegard Larsen; Hjelme, Dag Roar; Stol, Norvald; Kimsas, Andreas; Sudbø, Aasmund. (2007) Demonstration and analysis of TV- and data transport in the OpMiGua hybrid circuit/packet switched network testbed. 33rd European Conference and Exhibition on Optical Communication Conference . DBB; Berlin. 2007-09-17 - 2007-09-19.
-
Academic lectureKimsas, Andreas; Bjørnstad, Steinar; Øverby, Harald; Stol, Norvald. (2007) Reservation Techniques in an OpMiGua node. Optical Network Design and Modeling . ifip; Athens. 2007-05-29 - 2007-05-31.
2006
-
Academic lectureKimsås, Andreas; Bjørnstad, Steinar; Øverby, Harald; Stol, Norvald. (2006) Protection Using Redundancy in a Hybrid Circuit/Packet Node Design. 32th European Conference on Optical Communications ; Cannes. 2006-09-24 - 2006-09-28.
-
Academic lectureKimsås, Andreas; Øverby, Harald; Bjørnstad, Steinar; Stol, Norvald. (2006) Performance in a failure situation of an OpMiGua packet switch with internal blocking. 8th International Conference on Transparent Optical Networks ; 2006-06-18 - 2006-06-22.
-
Academic lectureStol, Norvald; Øverby, Harald; Bjørnstad, Steinar; Kimsås, Andreas; Mykkeltveit, Anders. (2006) Differentiated Survivability in the OpMiGua Hybrid Optical Network. 10th Conference on Optical Network Design and Modelling ; 2006-05-22 - 2006-05-24.
-
Academic lectureZouganeli, 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
-
Academic lectureBjørnstad, 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.
-
Academic lectureZouganeli, 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.
-
Academic lectureZouganeli, 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.
-
Academic lectureØverby, Harald; Stol, Norvald; Bjørnstad, Steinar. (2005) Dependability differentiation in Optical Packet Switched Networks. 7th International Conference on Transparent Optical Networks . IEEE; Barcelona, Catalonia. 2005-07-03 - 2005-07-07.
-
Academic lectureBjørnstad, 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.
-
Academic lectureZouganeli, 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.
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Academic lectureZouganeli, 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.
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Academic lectureZouganeli, 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
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Academic lectureAndreassen, 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.
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Academic lectureBjørnstad, Steinar; Hjelme, Dag Roar; Stol, Norvald. (2004) Asynchronous feedback buffer with reduced self induced contention for optical packet switches. Optoelectronics and communication conference/International conference on optical Internet ; Yokohama. 2004-07-12 - 2004-07-16.
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Academic lectureBjørnstad, Steinar; Hjelme, Dag Roar; Stol, Norvald; Nord, Martin. (2004) A packet switched hybrid optical network with service guarantees. Norsk elektro-optikk møte ; Tønsberg. 2004-05-02 - 2004-05-04.
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Academic lectureFeng, 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.
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Academic lectureMoseng, Tor K.; Øverby, Harald; Stol, Norvald. (2004) Merit Based Scheduling in Asynchronous Bufferless Optical Packet Switched Networks. Norsk Informatikkonferanse . Høyskolen i Stavanger; Stavanger. 2004-11-29 - 2004-12-01.
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Academic lectureUndheim, Astrid; Øverby, Harald; Stol, Norvald. (2004) Absolute QoS in Synchronous Optical Packet Switched Networks. Norsk Informatikk Konferanse . Høgskolen i Stavanger; Stavanger. 2004-11-29 - 2004-12-01.
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Academic lectureZouganeli, 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.
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Academic lectureØverby, Harald; Stol, Norvald. (2004) Evaluating and Comparing Two Different Service Differentiation Methods for OPS: The Wavelength Allocation algorithm and The Preemptive Drop Policy. 3rd International Conference on Networking (ICN) . IEEE; Guadeloupe. 2004-02-29 - 2004-03-04.
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Academic lectureØverby, Harald; Stol, Norvald. (2004) Exploiting network layer packet redundancy to reduce the end-to-end data packet loss rate in optical packet/burst switched networks. Nordic Teletraffic Seminar ; Oslo. 2004-08-25 - 2004-08-27.
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Academic lectureØverby, Harald; Stol, Norvald. (2004) Providing QoS in OPS/OBS networks with the Preemptive Drop Policy. 3rd International Conference on Networking (ICN) . IEEE; Guadeloupe. 2004-02-29 - 2004-03-04.
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Academic lectureFeng, 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
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Academic lectureBjørnstad, Steinar; Hjelme, Dag Roar; Stol, Norvald. (2003) A highly efficient optical packet switching node design supporting guaranteed service. European Conference on Optical Communication ; Rimini. 2003-09-21 - 2003-09-25.
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Academic lectureZouganeli, 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.
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Academic lectureZouganeli, 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.
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Academic lectureØverby, Harald; Stol, Norvald. (2003) A Teletraffic Model for Service Differentiation in OPS Networks. 8th Optoelectronic and Communications Conference (OECC) . [Mangler data]; Shanghai, China. 2003-10-16.
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Academic lectureØverby, Harald; Stol, Norvald. (2003) A Teletraffic Model of Service Differentiation with Electronic Buffering in Optical Packet Switched Networks. Conference on the Optical Internet & Astralian Conference on Optical Fibre Technology (COIN/ACOFT) . [Mangler data]; Melbourne, Australia. 2003-07-16.
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Academic lectureAndreassen, 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.
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Academic lectureAndreassen, 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.
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Academic lectureZouganeli, 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.
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Academic lectureZouganeli, 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.
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Academic lectureZouganeli, 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.
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Academic lectureZouganeli, 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
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Academic lectureBjørnstad, Steinar; Hjelme, Dag Roar; Stol, Norvald. (2002) A scalable optical packet switch for variable length packets employing share electronic buffering. ECOC2002 European Conference on Optical Communications . [Mangler data]; Copenhagen, Denmark. 2002-09-11.
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Academic lectureBjørnstad, Steinar; Hjelme, Dag Roar; Stol, Norvald. (2002) An optical packet switch design with shared electronic buffering and low bit rate add/drop inputs. ICTCON'2002 . [Mangler data]; Warsawa, Poland. 2002-04-22.
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Academic lectureBjørnstad, Steinar; Stol, Norvald; Hjelme, Dag Roar. (2002) Quality of service in optical packet switched DWDM transport networks. Asia Pacific Optical and Wireless Communications conference and exibition 2002 (APOC 2002, SPIE Conference) . [Mangler data]; Shanghai, China. 2002-10-16.
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Academic lectureStol, Norvald. (2002) A Study on Traffic Shaping, Policing and Conformance Deterioration for QoS Contracted Networks. IEEE Global Telecommunications Conference (GLOBECOM) . [Mangler data]; Taipei, Taiwan. 2002-11-21.
2001
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Academic lectureStol, Norvald. (2001) A Priority-oriented Call Admission Control Paradigm with QoS Re-negotiation for Multimedia Services in UMTS. IEEE Vehicular Technology Conference (VTC'01spring) . [Mangler data]; Rhodes, Greece. 2001-05-09.
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Academic lectureStol, Norvald. (2001) Providing Conformance of the Negotiated QoS Using Traffic Conditioning for Heterogeneous Services in WCDMA Radio Access Networks. Norsk Informatikk Konferanse (NIK'01) . [Mangler data]; Tromsø, Norway. 2001-11-28.
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Academic lectureStol, Norvald; Thanh, Tung Pham; Andresen, Steinar Hidle. (2001) A Priority-oriented QoS Management Framework for Multimedia Services in UMTS. The 4th International Symposium on Wireless Personal Multimedia Communications (WPMC'01), . [Mangler data]; Aalborg, Denmark. 2001-09-12.
1998
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Academic lectureHeegaard, 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
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Academic lectureHelvik, Bjarne Emil; Stol, Norvald. (1996) QoS differentiation in ATM networks : a case study. [Mangler data] . [Mangler data]; Trondheim.