Publications

Journals

Y. Papageorgiou, M. Karaliopoulos, K. Choumas and I. Koutsopoulos, “Joint controller placement and TDMA scheduling in Software Defined Wireless Multihop Networks”, to be published in IEEE Transactions on Network and Service Management, 2025.
A. Stoltidis, K. Choumas and T. Korakis, “Active queue management in 5G and beyond cellular networks using Machine Learning“, Elsevier Computer Communications, vol. 236, April 2025.
K. Choumas and T. Korakis, “On using Raft over Networks: Improving Leader Election“, IEEE Transactions on Network and Service Management, vol. 19, no. 2, pp. 1129-1141, June 2022.
K. Choumas, D. Giatsios, P. Flegkas and T. Korakis, “SDN Controller Placement and Switch Assignment for Low Power IoT“, MDPI Electronics, vol. 9, no. 2, article num. 325, February 2020.
D. Camps-Mur, J. Gutiérrez, E. Grass, A. Tzanakaki, P. Flegkas, K. Choumas, D. Giatsios, A. Beldachi, T. Diallo, J. Zou, P. Legg, J. Bartelt, J. K. Chaudhary, A. Betzler, J. J. Aleixendri, R. González and D. Simeonidou, “5G-XHaul: A novel wireless-optical SDN transport network to support joint 5G backhaul and fronthaul services“, IEEE Communications Magazine, vol. 57, no. 7, pp. 99-105, July 2019.
K. Choumas, I. Syrigos, T. Korakis and L. Tassiulas, “Video aware Multicast Opportunistic Routing over 802.11 two-hop mesh networks“, IEEE Transactions on Vehicular Technology, vol. 66, no. 9, pp. 8372-8384, September 2017.
G. Paschos, L. Chih-Ping, E. Modiano, K. Choumas and T. Korakis, “In-network Congestion Control for Multirate Multicast“, IEEE/ACM Transactions on Networking, vol. 24, no. 5, pp. 3043-3055, October 2016.
K. Choumas, S. Keranidis, T. Korakis, I. Koutsopoulos, L. Tassiulas, F. Juraschek, M. Gunes, E. Baccelli, P. Misiorek, A. Szwabe, T. Salonidis and H. Lundgren, “Optimization driven Multi-Hop Network Design and Experimentation: The Approach of the FP7 Project OPNEX“, IEEE Communications Magazine, Radio Communication Series, vol. 50, no. 6, pp. 122-130, June 2012.

Book Chapters

K. Choumas, T. Korakis, J. Ordiz, A. Skarmeta, P. Martinez-Julia, T. You, H. Jung, H. Lee, T. ‘Taekyoung’ Kwon, L. Baron, S. Fdida, W. Seok, M. Lee, J. Kim, S. Chong and B. Vermeulen, “Federated Experimentation Infrastructure Interconnecting Sites from Both Europe and South Korea (SmartFIRE)“, Building the Future Internet through FIRE, ch. 30, pp 717-743, River Publishers, June 2017.

Conferences

A. Stoltidis, K. Choumas and T. Korakis, “Performance Optimization of High-Conflict Transactions within the Hyperledger Fabric Blockchain”, Proceedings of BRAINS 2024, Berlin, Germany, October 2024.
A. Stoltidis, K. Choumas and T. Korakis, “Active Queue Management in Disaggregated 5G and Beyond Cellular Networks using Machine Learning”, Proceedings of W ONS 2024, Chamonix, France, January 2024.
K. Choumas and T. Korakis, “When Machine Learning Meets Raft: How to Elect a Leader over a Network”, Proceedings of IEEE Globecom 2023, Kuala Lumpur, Malaysia, December 2023.
S. Dimou, K. Choumas and T. Korakis, “On using Hyperledger Fabric over networks: Ordering phase improvements”, Proceedings of BlockSecSDN workshop of IEEE ICC 2023, Rome, Italy, May-June 2023.
I. Syrigos, I. Koukoulis, A. Prassas, K. Choumas and T. Korakis, “On the Implementation of a Cross-Layer SDN Architecture for 802.11 MANETs”, Proceedings of IEEE ICC 2023, Rome, Italy, May-June 2023.
K. Choumas and T. Korakis, “When Raft Meets SDN: How to Elect a Leader over a Network”, Proceedings of IEEE NetSoft 2020, Ghent, Belgium, June-July 2020.
D. Camps, F. Canellas, A. Machwe, J. Paracuellos, K. Choumas, D. Giatsios, T. Korakis and H. R. Kouchaksaraei, “5GOS: Demonstrating multi-domain orchestration of end-to-end virtual RAN services”, Proceedings of IEEE NetSoft 2020, Ghent, Belgium, June-July 2020.
M. Karatisoglou, K. Choumas and T. Korakis, “Controller Placement for Minimum Control Traffic in OpenDaylight Clustering”, Proceedings of IEEE WF-5G 2019, Dresden, Germany, September-October 2019.
P. Karamichailidis, K. Choumas and T. Korakis, “Enabling Multi-Domain Orchestration using Open Source MANO, OpenStack and OpenDaylight”, Proceedings of IEEE LANMAN 2019, Paris, France, July 2019.
D. Giatsios, K. Choumas, P. Flegkas, T. Korakis, J.J. Aleixendri-Cruelles and D. Camps-Mur, “Design and Evaluation of a hierarchical SDN control plane for 5G transport networks“, Proceedings of IEEE ICC 2019, Shanghai, China, May 2019.
K. Choumas, D. Giatsios, P. Flegkas and T. Korakis, “The SDN Control Plane Challenge for Minimum Control traffic: Distributed or Centralized?“, Proceedings of IEEE CCNC 2019, Las Vegas, USA, January 2019.
D. Giatsios, K. Choumas, P. Flegkas, T. Korakis and D. Camps-Mur, “SDN Implementation of Slicing and Fast Failover in 5G Transport Networks”, Proceedings of IEEE EuCNC 2017, Oulu, Finland, June 2017.
K. Choumas, G. Paschos, T. Korakis and L. Tassiulas, “Distributed Load Shedding with Minimum Energy”, Proceedings of IEEE INFOCOM 2016, San Francisco, CA, USA, April 2016.
N. Makris, K. Choumas, C. Zarafetas, T. Korakis and L. Tassiulas, “Forging Client Mobility with OpenFlow: an experimental study”, proceedings of IEEE WCNC 2016, Doha, Qatar, April 2016.
K. Choumas, T. Korakis, H. Lee, D. Kim, J. Suh, T. Kwon, P. Martinez-Julia, A. Skarmeta, T. You, L. Baron, S. Fdida and J. Kim, “Enabling SDN Experimentation with Wired and Wireless Resources: The SmartFIRE facility “, Proceedings of EAI CloudComp 2015, Daejeon, South Korea, October 2015, (Best paper Award).
K. Katsalis, K. Choumas, T. Korakis and L. Tassiulas, “Virtual 802.11 Wireless Networks with Guaranteed Throughput Sharing “, Proceedings of IEEE ISCC 2015, Larnaca, Cyprus, July 2015.
K. Choumas, N. Makris, T. Korakis, L. Tassiulas and M. Ott, “Testbed Innovations for Experimenting with Wired and Wireless Software Defined Networks “, Proceedings of CNERT workshop of IEEE ICDCS 2015, Columbus, Ohio, USA, June-July 2015.
K. Katsalis, K. Choumas, T. Korakis, M. Anastasopoulos, A. Tzanakaki, J.F. Riera and G. Landi, “Wireless Network Virtualization: The CONTENT Project Approach”, Proceedings of IEEE CAMAD 2014, Athens, Greece, December 2014.
K. Choumas, I. Syrigos, T. Korakis and L. Tassiulas, “Video-aware Multicast Opportunistic Routing over 802.11 two-hop mesh networks”, Proceedings of IEEE SECON 2014, Singapore, Singapore, June-July 2014.
H. Niavis, K. Choumas, G. Iosifidis, T. Korakis and L. Tassiulas, “Auction-based Scheduling of Wireless Testbed Resources”, Proceedings of IEEE WCNC 2014, Instanbul, Turkey, April 2014.
G. Paschos, C. Li, E. Modiano, K. Choumas and T. Korakis, “Multirate Multicast: Optimal Algorithms and Implementation”, Proceedings of IEEE INFOCOM 2014, Toronto, Canada, April 2014.
K. Choumas, N. Makris, T. Korakis, L. Tassiulas and M. Ott, “Exploiting OpenFlow resources towards a Content-Centric LAN”, Proceedings of EWSDN 2013, Berlin, Germany, October 2013.
A. Apostolaras, K. Choumas, I. Syrigos, I. Koutsopoulos, T. Korakis, A. Argyriou and L. Tassiulas, “On the Implementation of Relay Selection Strategies for a Cooperative Diamond Network”, Proceedings of IEEE PIMRC 2013, London, UK, September 2013.
K. Choumas, T. Korakis, I. Koutsopoulos and L. Tassiulas, “Implementation and End-to-end Throughput Evaluation of an IEEE 802.11 compliant version of the Enhanced-Backpressure algorithm”, Proceedings of EAI TridentCom 2012, Thessaloniki, Greece, June 2012.
K. Choumas, T. Korakis and L. Tassiulas, “New Prioritization Schemes for QoS provisioning in 802.11 Wireless Networks”, Proceedings of IEEE LANMAN 2008, Cluj-Napoca, Romania, September 2008, (Invited paper).

Demos / Posters

S. Dimou, K. Choumas and T. Korakis, “On Using Blockchain in beyond 5G: Roaming Improvements”, Proceedings of BRAINS 2024, Berlin, Germany, October 2024, (poster).
P. Karamichailidis, K. Choumas and T. Korakis, “OpenFlow enabled Integrated Routing and Bridging over Ethernet Virtual Private Networks”, Proceedings of IEEE/IFIP NOMS 2020, Budapest, Hungary, April 2020, (poster).
N. Makris, C. Zarafetas, K. Choumas, P. Flegkas and T. Korakis, “Virtualized Heterogeneous 5G Cloud-RAN deployment over Redundant Wireless Links”, Proceedings of IEEE LANMAN 2019, Paris, France, July 2019, (demo).
P. Karamichailidis, K. Choumas and T. Korakis, “Demonstrating Multi-Domain Orchestration through Open Source MANO, OpenStack and OpenDaylight”, Proceedings of IEEE NetSoft 2019, Paris, France, June 2019, (demo).
I. Syrigos, K. Choumas, T. Korakis and L. Tassiulas, “Demonstration of a Video-aware Multicast Opportunistic Routing protocol over 802.11 two-hop mesh networks”, Proceedings of IEEE SECON 2014, Singapore, Singapore, July 2014, (demo).
G. Paschos, C. Li, E. Modiano, K. Choumas and T. Korakis, “A Demonstration of Multirate Multicast Over an 802.11 Mesh Network”, Proceedings of IEEE INFOCOM 2014, Toronto, Canada, April 2014, (demo).
K. Choumas, T. Korakis, I. Koutsopoulos and L. Tassiulas, “A Demonstration of Video over an IEEE 802.11 compliant version of the Enhanced-Backpressure algorithm”, Proceedings of EAI TridentCom 2012, Thessaloniki, Greece, June 2012, (demo).
D. Giatsios, K. Choumas, D. Syrivelis, T. Korakis and L. Tassiulas, “Integrating FlowVisor access control in a publicly available OpenFlow testbed with slicing support”, Proceedings of EAI TridentCom 2012, Thessaloniki, Greece, June 2012, (demo).
A. Apostolaras, K. Choumas, I. Syrigos, G. Kazdaridis, T. Korakis, I. Koutsopoulos, A. Argyriou and L. Tassiulas, “A Demonstration of a Relaying Selection Scheme for Maximizing A Diamond Network’s Throughput”, Proceedings of EAI TridentCom 2012, Thessaloniki, Greece, June 2012, (demo).
K. Choumas, T. Korakis and L. Tassiulas, “A Demonstration of Video over a User Centric Prioritization Scheme for Wireless LANs”, Proceedings of IEEE SECON 2008, San Francisco, California USA, June 2008, (demo).