Journal Articles

1. N. Doulamis, A. Doulamis, A. Litke, A. Panagakis, T. Varvarigou, E. Varvarigos, Adjusted fair scheduling and non-linear workload prediction for QoS guarantees in grid computing, Computer Communications, Vol. 30, Elsevier, 499?515, 2007.


2. R. Van Caenegem, D. Colle, M. Pickavet, P. Demeester, K. Christodoulopoulos, K. Vlachos, E. Varvarigos, L. Stampoulidis, D. Roccato, R. Vilar, The design of an all-optical packet-switching network, IEEE Communications Magazine, pp. 52-61, Nov. 2007.


3. N. Doulamis, E. Varvarigos, and T. Varvarigou "Fair QoS Resource Management in Grids", IEEE Transactions on Parallel and Distributed Systems, 18 (11): 1630-1648, 2007.


4. K. Yiannopoulos, E. Varvarigos, K. Vlachos, Multiple-Input Buffer and Shared Buffer Architectures for Asynchronous Optical Burst Switching Networks, Journal of Lightwave Technology, Vol. 25 (6), pp. 1379-1389, 2007.


5. M. Kalochristianakis, M. Paraskevas, E. A. Varvarigos, N. Xypolitos, The Greek School Network: a paradigm of successful educational services maturing based on the dynamics of open-source technology, IEEE Transactions on Education.


6. N. Doulamis, A. Doulamis, A. Litke, A. Panagakis, T. Varvarigou, E. Varvarigos, Adjusted fair scheduling and non-linear workload prediction for QoS guarantees in grid computing, Computer Communications, Vol. 30 , Elsevier, 499?515, 2007.


7. K. Christodoulopoulos, E. Varvarigos and K. Vlachos, A new Burst Assembly Scheme based on the Average Packet Delay and its Performance for TCP Traffic, Elsevier Optical Switching and Networking, Volume 4, Issues 3-4, November 2007, Pages 200-212.


8. O. Zouraraki, K. Yiannopoulos, P. Zakynthinos, D. Petrantonakis, E. Varvarigos, A. Poustie, G. Maxwell and H. Avramopoulos, Optical Packet Buffering in All-Optical Time-Slot-Interchanger Architecture, IEEE Photonics Technology Letters, Vol. 19, No. 17, pp. 1307-1309, Sept. 2007.


9. C. Christodoulopoulos, K. Vlachos, E. Varvarigos, Stampoulidis L. Kehayas, E., EBRP: An Efficient burst reservation protocol for QoS provision in Optical Burst Switching networks, Journal Optical Networking, 5, 147-158, 2006.


10. K. Manousakis, V. Sourlas, K. Christodoulopoulos, E. A. Varvarigos, K. Vlachos, A Bandwidth Monitoring Mechanism Enhancing SNMP to Record Timed Resource Reservations, Journal of Network and Systems Management, Vol. 14, No. 4, pp. 583-597, December 2006.


11. G. Theophilopoulos, M. Kalyvas, K. Yiannopoulos, K. Vlachos, E. Varvarigos and H. Avramopoulos, "An Alternative Implementation Perspective for the Scheduling Switch Architecture", Journal of Lightwave Technology, Vol. 23, No. 2, pp. 732-739, Feb. 2005.


12. K. Vlachos, E. Varvarigos, and C. Bintjas, "Performance Evaluation of an optically interconnected "Scheduling" Switch network for Pareto traffic, Journal on Optical Networking, Vol. 3, No. 11, pp. 760-768, November 2004.


13. I. Tomkos, D. Vogiatzis, C. Mas, I. Zacharopoulos, A. Tzanakaki, and E. Varvarigos, "Performance Engineering of Metropolitan Area Optical Networks through Impairment Constraint Routing", IEEE Communications Magazine, special issue on metro optical networks, pp. 40-47, August 2004.


14. Doulamis ND, Doulamis AD, Panagakis A, Dolkas K, Varvarigou TA, Varvarigos E, "A Combined Fuzzy -Neural Network Model for Non-Linear Prediction of 3D Rendering Workload in Grid Computing", IEEE Transactions On Systems Man and Cybernetics Part B-Cybernetics,  34 (2): 1235-1247 APR 2004.


15. Banerjee A.; Iltis, R; Varvarigos, E.A., "Performance Evaluation for a Quasi-Synchronous Packet Radio Network", IEEE Transactions on Networking, Vol. 5, No. 5, Oct. 2001, pp. 567-577.


16. Lang, J.P.; Sharma, V.; Varvarigos, E.A. "An analysis of oblivious and adaptive routing in optical networks with wavelength translation", IEEE/ACM Transactions on Networking, Aug. 2001, vol.9, (no.4):503-17.


17. Sharma, V.; Varvarigos, E.A. "An analysis of limited wavelength translation in regular all-optical WDM networks", Journal of Lightwave Technology, Dec. 2000, vol.18, (no.12):1606-19.


18. Lang, J.P.; Varvarigos, E.A.; Blumenthal, D.J. "The lambda-scheduler: A multiwavelength scheduling switch", Journal of Lightwave Technology, Aug. 2000, vol.18, (no.8):1049-63.


19. Varvarigos, E.A. "A library of static and dynamic communication algorithms for parallel computation", Telecommunication Systems-Modeling, Analysis, Design and Management, 2000, vol.13, (no.1):3-20.

1. K. Christodoulopoulos, V. Gkamas, E. A. Varvarigos, Delay Components of Job Processing in a Grid: Statistical Analysis and Modeling, 3rd International Conference on Networking and Services (ICNS), Athens, Greece, June, 2007 .


2. M. Oikonomakos, K. Christodoulopoulos, E. Varvarigos, Profiling Computation Jobs in Grid Systems, Proc. 7th IEEE International Symposium on Cluster Computing and the Grid (CCGrid 2007), Rio, Brazil, May 2007, pp. 197-204.


3. P. Kokkinos, E. Varvarigos, N. Doulamis, A Framework for Providing Hard Delay Guarantees in Grid Computing, accepted in e-Science 2007.


4. O. Zouraraki, D. Petrantonakis, K. Yiannopoulos, R.Meleiro, L. Sadeghioon, A. Poustie, G. Maxwell, E. Varvarigos, K. Vlachos, P. Monteiro, H. Avramopoulos, Optically-Addressable Packet Timeslot Interchanger Using a Quadruple Switch Array, OFC 2007.


5. N. Karagiorgas, P. Kokkinos, C. Papageorgiou and E.A. Varvarigos, Routing in Wireless Ad-hoc Networks with Variable Transmission Power, PIRMC 2007.


6. K. Christodoulopoulos, V. Gkamas, E. A. Varvarigos, Delay Components of Job Processing in a Grid: Statistical Analysis and Modeling, to appear 3rd International Conference on Networking and Services (ICNS), 2007.


7. A. Sideri and E. A. Varvarigos, New Assembly Techniques for Optical Burst Switched Networks Based on Traffic Prediction, Proc. 11th Conference on Optical Network Design and Modelling (ONDM 2007), LCNS Volume 4534, pp. 358-367, June 2007.


8. C. Develder M. De Leenheer, B. Dhoedt, K. Christodoulopoulos, E. Varvarigos, Job Demand Models For Optical Grid Research, Proc. 11th Conference on Optical Network Design and Modelling (ONDM 2007), LCNS Volume 4534, pp. 127-136, June 2007.


9. K. Yiannopoulos, E. Varvarigos, K. Vlachos, Multiple-Input Buffer and Shared Buffer Architectures for Asynchronous Optical Burst Switching Networks, Proc. IEEE International Conference on Communications (ICC 2007), pp. 2283-2288, June 2007.


10. M. Kalochristianakis, M. Paraskevas, E. Varvarigos, Deploying cutting-edge educational services in the Greek School Network, in Panellenic Conference on Informatics, Patras, Greece, 2007.


11. P. Kokkinos E. Varvarigos, Resources Configurations for Quality of Service provisioning in Grids, to appear in Workshop on Grid Programming Models, Grid P2P Systems Architecture, Grid Systems, Tools and Environments, Heraklion, Greece, June 2007.


12. O. Zouraraki, D. Petrantonakis, K. Yiannopoulos, R. Meleiro , L. M. Sadeghioon, A. Poustie, G. Maxwell, E. Varvarigos, K. Vlachos, P. Monteiro, D. Simeonidou and H. Avramopoulos, Optically-Addressable Packet Timeslot Interchanger Using a Quadruple Switch Array, OFC 2007.


13. C. Papageorgiou, P. Kokkinos, E. A. Varvarigos, Multicost Routing over an Infinite Time Horizon in Energy and Capacity Constrained Wireless Ad-hoc Networks, Proceedings 12th Intl Euro-Par Conference, Springer, LNCS 4128, pp. 931-940, Aug. 2006.


14. J. Aracil, J. A. Hernandez, K. Vlachos, and E. A. Varvarigos, Jitter-based analysis and discussion of burst assembly algorithms, Proceedings of the fourth International Workshop on Optical Burst Switching (WOBS 2006), San Jose, CA, USA, Oct. 2006 (Invited).


15. N. Xypolitos, M. Paraskevas, E. Varvarigos, The Greek School Network: structure, design principles and services offered, Proc. Intl Joint Conference on E-business and Telecommunications ICE-B, Setubal, Portugal, pp. 2830-288, Aug 2006.


16. V. Gkamas and E. Varvarigos, A Slow Start Power Control MAC Protocol for Mobile Ad Hoc Networks, 17th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC'06), Helsinki, Finland, pp. 1-6, Sept. 2006.


17. K. Christodoulopoulos, K. Vlachos, K. Yiannopoulos, and E. Varvarigos, Relaxing Delayed Reservations: An approach for QoS provision and service differentiation in Optical Burst Switching networks, BROADNET, San Jose, USA, 2006.


18. K. Yiannopoulos, K. Vlachos, and E. Varvarigos, An Architecture for Almost All-Optical Nodes Based on Wavelength Converters, Fifth International Symposium Communication Systems, Networks and Digital Signal Processing (CSNDSP), Patras, Greece, pp. 391-395, July 2006.


19. K. Christodoulopoulos, E. Breusegem, K. Vlachos, M. Pickavet, E. Varvarigos, D. Colle, Performance Evaluation of Overspill Routing in Optical Networks, IEEE International Conference on Communications (ICC), Istanbul, Turkey, pp. 2538-2543, June 2006.


20. D. Simeonidou, R. Nejabati, L. Battestilli, P. Demeester, M. De Leenheer, B. Dhoedt, G. Karmous-Edwards, K-I Kitayama, Masafumi, H. Onaka,Y. Sun, A. Tzanakaki, E. Varvarigos, L. Valcarenghi, Grid Optical Burst Switched Networks (GOBS), contributed to Global Grid Forum 16, Athens, Feb. 2006.


21. K. Vyrsokinos, E Kehayas, L. Stampoulidis, H. Avramopoulos, K. Christodoulopoulos, K. Vlachos, E. A. Varvarigos, ARTEMIS: A New Architecture for All-Optical Asynchronous Self-Routing Network with Efficient Contention Protection and QoS Differentiation, IEEE proceedings of 31st European Conference on Optical Communication (ECOC 2005), Tech. Dig. We4.P.083, Glasgow, U.K., Sept. 2005.


22. P. Kokkinos, C. Papageorgiou, E. A. Varvarigos, Energy-Aware Routing in Wireless Ad-hoc Networks, 6th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM 2005), Taormina, Italy, Vol. 1, pp. 306-311, June 2005.


23. L. Stampoulidis, E. Kehayas, K. Vyrsokinos, K. Christodoulopoulos, D. Tsiokos, Bakopoulos, T. Kanellos, K. Vlachos, E. A. Varvarigos and H. Avramopoulos, ARTEMIS: A 40 Gb/s All-Optical Self-Routing Node and Network Architecture employing Asynchronous Bit and Packet-Level Optical Signal Processing, IEEE Global Telecommunications Conference (Globecom), PTO6.8, St. Louis, USA, pp. 2035- 2040, Dec 2005.


24. C. Kattirtzis, E. Varvarigos, K.Vlachos, G. Stathakopoulos and M. Paraskevas, Traffic profiling in the Greek School Networκ, 14th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN 2005), pp. 3.2.1-3.2.6.


25. A. Litke, A. Panagakis, A. Doulamis, N. Doulamis, T. Varvarigou, E. A. Varvarigos: An Advanced Architecture for a Commercial Grid Infrastructure. European Across Grids Conference 2004, LNCS 3165, pp. 32-41, 2004.


26. K. Vlachos, K. Seklou, E. Varvarigos, Performance Evaluation of an Optical Packet "Scheduling" Switch, IEEE Global Telecommunications Conference (GLOBECOM 04), Vol. 3, pp. 1857-1861, Dallas, TX, Nov. 2004.


27. N. Doulamis, A. Doulamis, K. Dolkas, E. Varvarigos and T. Varvarigou, Fair QoS Resource Management and Non-linear Prediction of 3D Rendering Applications, in Intl Symposium on Circuits and Systems (ISCAS 2004), May 2004, Vancouver.


28. Chi-Hsiang Yeh, Emmanouel A. Varvarigos, Abdelhamid Eshoul: A Priority-based Balanced Routing Scheme for Random Broadcasting and Routing in Tori, Intl Conference on Parallel Processing (ICPP 2003), pp. 519-526.


29. N. Doulamis, A. Doulamis, K. Dolkas, A. Panagakis, T. Varvarigou and E. Varvarigos, "Workload Prediction of Rendering Algorithms in GRID Computing," in Proc. 7th European Multigrid Conference, Oct 2002, Hohenwart, Germany.


30. N. Doulamis, A. Doulamis, K. Dolkas, A. Panagakis, T. Varvarigou and E. Varvarigos, "Non-linear Prediction of Rendering Workload for GriD Infrastructure," Proc. of International Conference on Computer Vision and Graphics (ICCVG), pp. 229-240, Poland, September 2002.


31. Chi-Hsiang Yeh; Varvarigos, E.A., "QoS Guarantees for IP over WDM Burst Switching", 39th Annual Allerton Conference on Communicating, Control, and Computing, Oct. 2001 (invited).


32. Yeh, C.-H.; Varvarigos, E.A. "A mathematical game and its applications to the design of interconnection networks", Proceedings International Conference on Parallel Processing, Valencia, Spain, Sept. 2001, p.21-30.


33. C.-H. Yeh, B. Parhami, E.A. Varvarigos, and T.A. Varvarigou, "RACE: A Software-Based Fault Tolerance Scheme for Systematically Transforming Ordinary Algorithms to Robust Algorithms", Proc. of the International Parallel and Distributed Processing Symp., San Francisco, CA, April 23-27.


34. Yeh, C.-H.; Varvarigos, E.A.; Bertsekas, D.P.; Mouftah, H.T. "Reservation-based session routing for broadband communication networks with strict QoS requirements", Proceedings 15th International Conference on Information Networking (ICOIN-15), IEEE Comput. Soc., Beppu City, Oita, Japan, Jan. 2001, p.593-600


35. Chi-Hsiang Yeh; Varvarigos, E.A.; Parhami, B. "Optimal-depth circuits for prefix computation and addition", Proc. 34th Asilomar Conference on Signals, Systems and Computers, IEEE, Pacific Grove, CA, USA, Oct. 2000, p. 1349-53, vol.2.


36. F. J. P. Gutierrez, E. A. Varvarigos, and S. Vassiliadis "Multicost Routing in Max-Min Fair Networks", Proc. 38th Allerton Conference on Communicating, Control, and Computing, Oct. 2000.


37. Chi-Hsiang Yeh; Varvarigos, E.A.; Parhami, B. "Multilayer VLSI layout for interconnection networks", Proceedings 2000 International Conference on Parallel Processing, IEEE Comput. Soc., Toronto, Ont., Canada, Aug. 2000, p. 33-40.


38. Chi-Hsiang Yeh; Parhami, B.; Varvarigos, E.A.; Lee, H. "VLSI layout and packaging of butterfly networks", Proc. 12th Annual ACM Symposium on Parallel Algorithms and Architectures (SPAA 2000), Bar Harbour, MN, USA, July 2000, p.196-205.


39. Chi-Hsiang Yeh; Varvarigos, E.A. "The scalable networking scheme for high-speed networks", Proc. 2000 IEEE International Conference on Communications (ICC 2000), New Orleans, LA, USA, June 2000, p.1335-42, vol.3.

1. Varvarigos E., N. Doulamis, A. Doulamis, T. Varvarigou, Timed/Advance Reservation Schemes and Scheduling Algorithms for QoS Resource Management in Grids, to appear in "Engineering the Grid: Status and Perspective", Chapter 16, Nova Science Publishers, 2005, ISBN:1-58883-038-1, Edited by Beniamino Di Martino, Jack Dongarra, Adolfy Hoisie, Laurence Tianruo Yang, Hans Zima.


2. Varvarigos E.; Varvarigou T., "Communication Network Protocols", in Encyclopaedia on Telecommunications, Wiley, Edited by Proakis, 2003.


3. Varvarigos E; Varvarigou T., Verentziotis, E. "Adaptive Routing and Wavelength Assignment in All-Optical Networks: the role of Wavelength Conversion and Virtual Circuit Deflection", "Handbook of Optical Communication Networks" CRC Press, pp. 221-246, 2003.