Publications : 2016 - 2017 Journal Articles K. Christodoulopoulos, K. Kontodimas, A. Siokis, K. Yiannopoulos, and E. Varvarigos, “Efficient Bandwidth Allocation in the NEPHELE Optical/Electrical Datacenter Interconnect”, IEEE/OSA Journal of Optical Communications and Networking (JOCN), 9 (12), 1145-1160, 2017. G. Tsaousoglou, P. Makris, E. Varvarigos, “Electricity market policies for penalizing volatility and scheduling strategies: The value of aggregation, flexibility, and correlation”, Sustainable Energy, Grids and Networks (SEGAN), Vol. 12, pp. 57-68, 2017. P. Soumplis, K. Christodoulopoulos, M. Quagliotti, A. Pagano, E. Varvarigos, “Network planning with actual margins”, IEEE/OSA Journal of Lightwave Technology (JLT), 35 (23), 5105-5120, 2017. I. Gravalos, A. Siokis, P. Kokkinos, E. A. Varvarigos, "Energy-Optimal Routing on VCSEL-based Interconnected Networks", IEEE/OSA Journal of Optical Communications and Networking (JOCN), Vol. 9(10), pp. 833-843, 2017. L. Tomás, P. Kokkinos, V. Anagnostopoulos, O. Feder, D. Kyriazis, K. Meth, E. A. Varvarigos, D. Varvarigou, "Disaster Recovery Layer for OpenStack and Testbed", IEEE Transactions on Cloud Computing, 2017. P. Maniotis, N. Terzenidis, A. Siokis, K. Christodoulopoulos, E. Varvarigos, M. Immonen, H. J. Yan, L. X. Zhu, K. Hasharoni, R. Pitwon, K. Wang, N. Pleros, "Application-oriented On-board Optical Technologies for HPCs." IEEE/OSA Journal of Lightwave Technology (JLT), Volume 35, Issue 15, pp. 3197-3213, Aug. 2017. P. Papanikolaou, K. Christodoulopoulos, and E. Varvarigos, "Joint Multilayer Survivability Techniques for IP-over-Elastic Optical Networks", Journal of Optical Communications and Networking (JOCN), 9(1), A85-A98 (2017) [Invited]. K. Kontodimas, P. Kokkinos, Y. Kuperman, A. Houbavlis, E. Varvarigos "Analysis and Evaluation of Scheduling Policies for Consolidated I/O Operations." Journal of Grid Computing, Vol. 15, No. 1, pp. 107-125, Jan 2017. DOI 10.1007/s10723-017-9392-4. C. Kyriakopoulos, P. Nicopolitidis, G. Papadimitriou, E. Varvarigos, "Energy-efficient Lightpath Establishment in Backbone Optical Networks Based on Ant Colony Optimization," IEEE/OSA Journal of Lightwave Technology, Vol. 34 (23), pp. 5534-5541, 2016. A. Siokis, K. Christodoulopoulos, N. Pleros, E. Varvarigos, "Electro-optic Switch Architectures Based on Space Switching of Multiplexed WDM Signals", Optical Switching and Networking (OSN), Elsevier, Volume 25, Pages 40–56,July 2017 A. Siokis, K. Christodoulopoulos, E. Varvarigos, "Multi-point Architectures for On-board Optical Interconnects", Journal of Optical Communications and Networking (JOCN), No. 8 (11), 863-877, 2016. N. Doulamis, A. Doulamis, P. Kokkinos, E. Varvarigos, "Event Detection in Tweeter Microblogging", IEEE Transactions on Cybernetics, vol. 46, no. 12, pp. 2810-2824, Dec. 2016. C. A. Kyriakopoulos, G. I. Papadimitriou, P. Nicopolitidis, E. M. Varvarigos, "On the Use of Learning Automata for Energy Saving in Optical Backbone Networks", Electronic Notes in Discrete Mathematics, Vol. 5, pp. 15-22, 2016. M. Svaluto Moreolo, J. M. Fabrega, L. Martín, K. Christodoulopoulos, E. Varvarigos, and J. P. Fernández-Palacios, "Flexgrid Technologies Enabling BRAS Centralization in MANs", IEEE/OSA Journal of Optical Communications and Networking (JOCN) Vol. 8, Issue 7, pp. A64-A75, 2016. I. Gravalos, K. Yannopoulos, G. Papadimitriou, E. Varvarigos, 'Burst-by-Burst Dynamic Bandwidth Allocation for XG-PONs, IET Networks, Vol. 5 (3), pp. 47-55, 2016. I. Sartzetakis, K. Christodoulopoulos, C. P. Tsekrekos, D. Syvridis, E. Varvarigos, "Quality of Transmission Estimation in WDM and Elastic Optical Networks Accounting for Space–Spectrum Dependencies", IEEE/OSA Journal of Optical Communications and Networking (JOCN), Vol. 8, Iss. 9, pp. 676–688, 2016. D. Vergados, I. Mamounakis, P. Makris, E. Varvarigos, "Prosumer Clustering into Virtual Microgrids for Cost Reduction in Renewable Energy Trading Markets Sustainable Energy", Grids and Networks, Sustainable Energy, Grids and Networks, Elsevier, Vol. 7, pp. 90-103, July 2016. Panagiotis Kokkinos, Dimitris Kalogeras, Anna Levin, Emmanouel Varvarigos, Survey: Live Migration and Disaster Recovery over Long-Distance Networks, ACM Computing Surveys (CSUR), Vol. 49, No. 2, 26 pages, July 2016 Conference Proceedings N. Sambo, P. Giardina, I. Sartzetakis, A. Sgambelluri, F. Fresi, M. Dallaglio, G. Meloni, G. Bernini, K. Christodoulopoulos, P. Castoldi, E. Varvarigos, "Experimental demonstration of network automation based on QoT estimation and monitoring in both single- and multi-domains," in European Conference on Optical Communication (ECOC) 2017, paper Th.2.C.5. P. Soumplis, P. Kokkinos, E. Varvarigos, "Optimally-driven Online Reservations in Elastic Optical Networks", ECOC 2017. P. Kokkinos, I. Gravalos, A. Kretsis and E. Varvarigos, "Inter-Datacenter Virtual Capacity Services: Reality and Mechanism", IEEE 6th International Conference on Cloud Networking (CloudNet), pp. 150-154, Prague, Sept 2017. I Mamounakis, D. Vergados, P. Makris, E. Varvarigos, "Communication Costs Versus Smart Grid System Performance for Energy Prosumers Participation in Liberalized Electricity Markets: A Trade-off Analysis" 32nd Union of Radio Science General Assembly and Scientific Symposium (URSI GASS 2017), Montreal, Canada, August 19-26, 2017. I. Gravalos, A. Siokis, P. Kokkinos, E. A. Varvarigos, "Routing Algorithm with Smart Energy Management on VCSEL Interconnected Networks", 22nd IEEE Symposium on Computers and Communication (ISCC 2017), pp. 1049-1055, Heraklion, Greece, July 2017. K. Yiannopoulos, K. Kontodimas, K. Christodoulopoulos, E. Varvarigos, "Resource Partitioning in the NEPHELE Datacentre Interconnect", 19th International Conference on Transparent Optical Networks (ICTON 2017), pp. 1-4, July 2017. [invited] I. Sartzetakis, K. Christodoulopoulos, E. Varvarigos, "Improving QoT estimation accuracy through active monitoring", 19th International Conference on Transparent Optical Networks (ICTON 2017), pp. 1-4, July 2017. [invited] I. Sartzetakis, K. Christodoulopoulos, E. Varvarigos, "On Reducing Optical Monitoring Uncertainties and Localizing Soft Failures", ICC 2017, May 2017 P. Papanikolaou, K. Christodoulopoulos, E. Varvarigos, "Incremental Planning of Multi-layer Elastic Optical Networks", International Conference Optical Network Design and Modeling (ONDM 2017), pp. 1-6, Budapest, May 2017. K. Christodoulopoulos, I. Sartzetakis, P. Soumplis, E. Varvarigos, "Cross-layer and Dynamic Network Orchestration Based on Optical Performance Monitoring", International Conference Optical Network Design and Modeling (ONDM 2017), pp. 1-6, Budapest, May 2017. [invited] I. Sartzetakis, K. Christodoulopoulos, E. Varvarigos," QoT Aware Adaptive Elastic Optical Networks", OFC 2017, W4F.4, March 2017 P. Soumplis, K. Christodoulopoulos, M. Quagliotti, A. Pagano, E. Varvarigos, "Actual Margins Algorithm for Multi-Period Planning", Optical Fiber Communication Conference (OFC 2107), W4F.1, LA, March 2017. G. Landi, I. Patronas, K. Kontodimas, M. Aziz, K. Christodoulopoulos, A. Kyriakos, M. Capitani, A. F. Hamedani, G. Bernini, D. Reisis, E. Varvarigos, P. Bakopoulos, H. Avramopoulos, "SDN Control Framework with Dynamic Resource Assignment for Slotted Optical Datacenter Networks", in SDN/NFV Demonstration Zone, Optical Fiber Communication Conference (OFC 2107), Tu3L. 1, LA, March 2017. I. Mamounakis, P. Makris. E. Varvarigos, "Renewable energy prosumers' clustering towards target aggregated prosumption profiles based on recursive predictions", IEEE PES PowerTech Manchester 2017. K. Christodoulopoulos, K. Kontodimas, A. Siokis, K. Yiannopoulos, E. Varvarigos, "Collisions free scheduling in the NEPHELE hybrid electrical/optical datacenter interconnect", IEEE International Conference on Electronics, Circuits and Systems (ICECS), 11-14 Dec. 2016, Monte Carlo, Monaco E. Konidis, P. Kokkinos, E. Varvarigos, "Evaluating Traffic Redirection Mechanisms for High Availability Servers",IEEE International Workshop on Cloud Computing Systems, Networks, and Applications (CCSNA), organized in conjunction with IEEE Global Communications Conference (GLOBECOM 2016), Washington D.C N. Sambo, K. Christodoulopoulos, P. Castoldi, E. Varvarigos, "Spectrum sharing for elastic transmission parameter adaptation", European Conference on Optical Communication (ECOC 2016), Düsseldorf, Germany, Sept. 2016. V. Gkamas, M. Paraskevas, E. Varvarigos, "Design of a secure BYOD policy for the Greek School Network: a case study", 19th IEEE International Conference on Computational Science and Engineering (CSE 2016), August 24-26, 2016 - Paris, France. Ganesh Sauba , Jos van der Burgt , Manos Varvarigos, Prodromos Makris, Ioannis Mamounakis , Dimitrios J. Vergados, "VIMSEN – New Energy Management Tool for RES Aggregators", IEEE International Conference on Emerging Technologies and Innovative Business Practices for the Transformation of Societies (EmergiTech), 2016 G. Tsaousoglou, P. Makris, E. Varvarigos, "Micro grid scheduling policies, forecasting errors, and cooperation based on production correlation", 2nd International Conference on Intelligent Green Building and Smart Grid (IGBSG), 27-29 June, 2016 K. Christodoulopoulos, K. Kontodimas, K. Yiannopoulos and E. Varvarigos, "Bandwidth allocation in the NEPHELE hybrid optical interconnect", 2016 18th International Conference on Transparent Optical Networks (ICTON), Trento, Italy, 2016, pp. 1-4 (invited). A. Kretsis, L. Corazza, K. Christodoulopoulos, P. Kokkinos and E. Varvarigos, "An emulation environment for SDN enabled flexible IP/optical networks", 2016 18th International Conference on Transparent Optical Networks (ICTON), Trento, 2016, pp. 1-4 (invited). I. Mamounakis, D. J. Vergados, P. Makris, E. Varvarigos, "A Virtual Microgrid Aggregator Platform for Distributed and Small-Scale RES Prosumers' Management", ICTF 2016 SMART_GRID 2016. ORCHESTRA - Optical Performance Monitoring Enabling Flexible Networking, European Conference on Networks and Communications 2016. I. Gravalos, P. Makris, K. Christodoulopoulos, E. A. Varvarigos, "Efficient Gateways Placement for Internet of Things with QoS Constraints", Globecom 2016, Washington D.C. C. Mavrokefalidis, D. Ampeliotis, E. Vlachos, K. Berberidis, and E. Varvarigos, "Supervised Energy Disaggregation using Dictionary- Based Modelling of Appliance States", ISGT, Europe 2016. P. Papanikolaou, K. Christodoulopoulos, E. Varvarigos, "Joint Multilayer Planning of Survivable Elastic Optical Networks", Optical Fiber Communication Conference (OFC 2016), M2K.3, March 2016. K. Christodoulopoulos, N. Sambo, E. Varvarigos, "Exploiting Network Kriging for Fault Localization", Optical Fiber Communication Conference (OFC 2016), W1B.5, March 2016. I. Sartzetakis, K. Christodoulopoulos, C. Tsekrekos, D. Syvridis, E. Varvarigos, "Estimating QoT of Unestablished Lightpaths", Optical Fiber Communication Conference (OFC 2016), Tu3F.2 , March 2016. Book Chapters A. Siokis, K. Christodoulopoulos, E. Varvarigos, The role of optical interconnects in the design of data center architectures, Optical Interconnects for Data Centers, Woodhead Publishing Series in Electronic and Optical Materials, Chapter 17, Editors: T. Tekin, N. Pleros, R. Pitwon, A. Håkansson, pp. 375-393, 2017. C. Papageorgiou, P. Kokkinos, E. Varvarigos, Energy-efficient Unicast and Multicast Communication for Ad Hoc Networks Using Multiple Criteria, Chapter 8 in Mobile Ad hoc Networks: Current Status and Future Trends, Eds. Jonathan Loo, Jaime Lloret Mauri, Jesus Hamilton Ortiz, CRC press, ISBN 9781439856505, pp. 201-.., 2016. L. Velasco, M. Ruiz, K. Christodoulopoulos, M. Varvarigos, M. Żotkiewicz and M. Pióro, in Elastic Optical Networks, Chapter 4, Routing and Spectrum Allocation, Springer, pp. 55-84, 2016. A. Stavdas, C. Matrakidis, M. Gunkel, A. Asensio, L. Velasco, K. Christodoulopoulos, E. Varvarigos, in Elastic Optical Networks, Chapter 3, Taking Advantage of Elastic Optical Networks, Springer, pp. 31-54, 2016. C. Kyriakopoulos, G. Papadimitriou, P. Nicopolitidis, M. Varvarigos, Advanced Optical Network Architecture for the Next Generation Internet Access, Chapter 11 in book: Smart Cities and Homes: Key Enabling Technologies, Elsevier publisher, pp. 219-238, June 2016.