Research publications in network architectures, cybersecurity, and telecommunications.
For a complete and up-to-date list, please visit my
Google Scholar profile
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182
Total Papers
2351
Citations
27
h-index
57
i10-index
0
Journal Papers
182
Conference Papers
0
Book Chapters
Conference 2025 10 citations
AGRARIAN: A Hybrid AI-Driven Architecture for Smart Agriculture
Michael C Batistatos and Tomaso De Cola and Michail Alexandros Kourtis and Vassiliki Apostolopoulou and George K Xilouris and Nikos C Sagias
Unknown Venue
Modern agriculture is increasingly challenged by the need for scalable, sustainable, and connectivity-resilient digital solutions. While existing smart farming platforms offer valuable insights, they often rely heavily on centralized cloud infrastructure, which can be impractical in rural or remote settings. To address this gap, this paper presents AGRARIAN, a hybrid AI-driven architecture that combines IoT sensor networks, UAV-based monitoring, satellite connectivity, and edge-cloud computing t
A Distributed Trustable Framework for AI-Aided Anomaly Detection
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Conference 2025 2 citations
Advancing Predictive Security for Consumer Applications in Beyond 5G/6G Networks With Annotated Datasets
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Conference 2025 1 citations
5G/6G Architecture Evolution for XR and Metaverse: Feasibility Study, Security and Privacy Challenges for Smart Culture Applications
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Conference 2025 1 citations
Multi-Partner Project: Secure Hardware Accelerated Data Analytics for 6G Networks: The PRIVATEER Approach
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Conference 2025 0 citations
A self organizing cyber physical system for sustainable agriculture
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Conference 2025 0 citations
Leveraging 5G RedCap and Spiking Neural Networks for Energy Efficiency in Edge Devices
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Conference 2025 0 citations
PRIVATEER: Secure FPGA Acceleration for 6G AI Edge Analytics
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Conference 2025 0 citations
Design and Evaluation of a Network Digital Twin Framework for 5G/6G Architectures
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Conference 2025 0 citations
Adaptive Post-Quantum Cryptography for Blockchain: Enhancing Security and Energy Efficiency with Cryptographic Agility
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Conference 2025 0 citations
Leveraging digital twin-as-a-service towards continuous and automated cybersecurity certification
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Conference 2025 0 citations
PRIVATEER Deliverable D2. 3: PRIVATEER Framework Demonstrator-Rel. A
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Conference 2024 53 citations
Leveraging network data analytics function and machine learning for data collection, resource optimization, security and privacy in 6G networks
Panagiotis K Gkonis and Nikolaos Nomikos and Panagiotis Trakadas and Lambros Sarakis and George Xylouris and Xavi Masip-Bruin and Josep Martrat
Unknown Venue
The full deployment of sixth-generation (6G) networks is inextricably connected with a holistic network redesign able to deal with various emerging challenges, such as integration of heterogeneous technologies and devices, as well as support of latency and bandwidth demanding applications. In such a complex environment, resource optimization, and security and privacy enhancement can be quite demanding, due to the vast and diverse data generation endpoints and associated hardware elements. Theref
Sailing into the future: Technologies, challenges, and opportunities for maritime communication networks in the 6G era
Georgios Xylouris and Nikolaos Nomikos and Alexandros Kalafatelis and Anastasios Giannopoulos and Sotirios Spantideas and Panagiotis Trakadas
Unknown Venue
The maritime domain is a major driver of economic growth with emerging services, comprising intelligent transportation systems (ITSs), smart ports, security and safety, and ocean monitoring systems. Sixth generation (6G) mobile networks will offer various technologies, paving the way for reliable and autonomous maritime communication networks (MCNs), supporting these novel maritime services. This review presents the main enabling technologies for future MCNs and relevant use cases, including ITS
A security services management architecture toward resilient 6G wireless and computing ecosystems
Eva Rodriguez and Xavi Masip-Bruin and Josep Martrat and Rodrigo Diaz and Admela Jukan and Fabrizio Granelli and Panagiotis Trakadas and George Xilouris
Unknown Venue
The upcoming sixth-generation (6G) networks are expected to be more heterogeneous, scalable, reliable, secure and energy-efficient. 6G services and applications will benefit from the fast data transmission rates, global coverage, precise positioning, and widespread intelligence capabilities provided by 6G technology. In this complex scenario, new attack surfaces and vectors will emerge, due to the distributed, disaggregated, dynamic, programmable and open nature of the entire end-to-end 6G infra
Enhancing 5G performance: A standalone system platform with customizable features
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Conference 2024 6 citations
A Versatile 5G Standalone Testbed Based On Commodity Hardware
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Conference 2024 4 citations
PQ-REACT: Post Quantum Cryptography Framework for Energy Aware Contexts
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Conference 2024 3 citations
Towards Continuous Development for Quantum Programming in Decentralized IoT environments
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Conference 2024 2 citations
User Terminals as Attackers: An Open Dataset Analysis of DDoS Attacks in 5G Networks
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Conference 2024 2 citations
Uav swarm management platform for autonomous area and infrastructure inspection
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Conference 2024 1 citations
Automated End-To-End AI/ML Lifecycles for Radio Management in 6G Networks
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Conference 2024 0 citations
A Distributed Trustable AI Engine for Anomaly Detection in 6G Networks: Architecture, Use Cases and Performance Evaluation
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Conference 2024 0 citations
An Architecture for Privacy-first Security in 6G
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Conference 2024 0 citations
Utilizing Distributed Machine Learning Environments for Earthquake Detection
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Conference 2024 0 citations
OASEES: Leveraging DAO-Based Programmable Swarms for Optimized Edge-to-Cloud Data Processing
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Conference 2024 0 citations
Towards the Automation of Attack Graph-Based Risk Assessment with OSCAL
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Conference 2024 0 citations
Leveraging Self-sovereign Identity for e-Health Applications
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Conference 2024 0 citations
Leveraging Network Data Analytics Function and Machine Learning for Data Collection, Resource Optimization, Security and Privacy in 6G Networks
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Conference 2023 14 citations
PALANTIR: An NFV-Based Security-as-a-Service Approach for Automating Threat Mitigation
M. Compastié and A. López Martínez and C. Fernández and M. Gil Pérez and S. Tsarsitalidis and G. Xylouris and I. Mlakar and M.A. Kourtis and V. Šafran
Unknown Venue
Small and medium enterprises are significantly hampered by cyber-threats as they have inherently limited skills and financial capacities to anticipate, prevent, and handle security incidents. The EU-funded PALANTIR project aims at facilitating the outsourcing of the security supervision to external providers to relieve SMEs/MEs from this burden. However, good practices for the operation of SME/ME assets involve avoiding their exposure to external parties, which requires a tightly defined and tim
Energy efficiency in agriculture through tokenization of 5G and edge applications
Michail-Alexandros Kourtis and Michael Batistatos and Georgios Xylouris and Andreas Oikonomakis and Dimitris Santorinaios and Charilaos Zarakovitis and Ioannis Chochliouros
Unknown Venue
This study delves into the potential of 5G and blockchain technologies in smart agriculture, specifically targeting remote farming sectors. A conceptual architecture is proposed, aiming to leverage these cutting-edge technologies while ensuring energy efficiency and sustainable development within the agriculture industry. We provide an in-depth analysis of 5G applications and explore alternative communication channels that could empower remote communities, introducing them to state-of-the-art te
OASEES: An Innovative scope for a DAO-based programmable swarm solution, for decentralizing AI applications close to data generation locations
Ioannis P Chochliouros and Michail-Alexandros Kourtis and George Xilouris and Wouter Tavernier and Enrique Areizaga Sanchez and Margarita Anastassova and Christian Bolzmacher and Nikolay Tcholtchev and Antonello Corsi and Panagiotis Trakadas and Marta Millet and Christos Xenakis and Adnan Imeri and Francesco Bellesini and Paride D’ostilio and Albertos Markakis and Ihsan Bal Engin and Antonis Litke and Lucrezia Maria Quarato and Diego Cugat and Georgios Gardikis and Charilaos Zarakovitis and Stephane Bouilland and Zaharias Zaharis and Christina Lessi and Dimitrios Arvanitozisis and Anastasia S Spiliopoulou
Unknown Venue
As traditional linear models have proved to be ineffective in perspective of the stagnant decision-making and inefficient data federation, the pathway onwards a European data sovereignty dictates for a sustainable and circular economy across diverse market sectors. In this scope, the EU-funded OASEES project has identified the need for a novel, inclusive and disruptive approach regarding the cloud to edge continuum and swarm programmability and also supporting multi-tenant, interoperable, secure
Quantum computing and lawful interception applications
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Conference 2023 2 citations
A survey on smart buildings integration with 5G and cloud technologies towards energy efficiency
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Conference 2023 1 citations
5G High Mast Inspection Based on a Decentralized Autonomous Organization in the Framework of the OASEES Project
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Conference 2023 1 citations
closed-loop security orchestration in the telco cloud for moving target defense
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Conference 2022 2 citations
Wi-Fi 6 Aerial Relay Node for Emergency Operations
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Conference 2022 2 citations
A Technological Framework For Leveraging First Responders' Efficiency and Safety
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Conference 2022 2 citations
Integrated network and end-host policy management for network slicing
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Conference 2022 0 citations
PALANTIR demo: leveraging SecaaS model for managing threats in industrial environments
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Conference 2021 55 citations
5G-enabled UAVs with command and control software component at the edge for supporting energy efficient opportunistic networks
Harilaos Koumaras and George Makropoulos and Michael Batistatos and Stavros Kolometsos and Anastasios Gogos and George Xilouris and Athanasios Sarlas and Michail-Alexandros Kourtis
Unknown Venue
Recently Unmanned Aerial Vehicles (UAVs) have evolved considerably towards real world applications, going beyond entertaining activities and use. With the advent of Fifth Generation (5G) cellular networks and the number of UAVs to be increased significantly, it is created the opportunity for UAVs to participate in the realisation of 5G opportunistic networks by carrying 5G Base-Stations to under-served areas, allowing the provision of bandwidth demanding services, such as Ultra High Definition (
Moving target defense as a proactive defense element for beyond 5G
Wissem Soussi and Maria Christopoulou and George Xilouris and Gürkan Gür
Unknown Venue
6G networks will take the digital services offered by 5G to a whole new level with considerably higher bit rates, lower latency, and ultra-re-liability. However, the security of these systems is crucial to fulfill the promise of 6G. A critical element of this requirement is the efficient and pervasive protection of 6G infrastructure and services. In this article, we propose Moving Target Defense (MTD) as a key proactive defense element and elaborate on how it can be integrated into beyond 5G sys
IoT botnet detection on flow data using autoencoders
Orestis Kompougias and Dimitris Papadopoulos and Evangelos Mantas and Antonis Litke and Nikolaos Papadakis and Dimitris Paraschos and Akis Kourtis and George Xylouris
Unknown Venue
The rapid growth of the Internet of Things and the proliferation of easily compromisable IoT devices has led to a drastic increase in the occurrence of IoT-based botnet attacks. Hackers are keen on exploiting the vulnerabilities of smart devices, which are seen as easy targets often lacking robust security mechanisms. Identifying botnet activity is an active research topic and remains a challenging task due to the continuous evolution of botnet families that employ a large number of attack vecto
Practical Autonomous Cyberhealth for resilient Micro, Small and Medium-sized Enterprises
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The EU-funded PALANTIR project proposes a cybersecurity framework combining privacy assurance, data protection, incident detection and recovery aspects under the same platform. The project main focus is on cyber-resilience of SMEs and compliance with the relevant data privacy and protection regulations. The outcomes of the project will be validated in diverse application areas (eHealth, eCommerce, 5G-MEC) and will provide enterprises with security tools that will boost their resilience at a reas
Experimentation and 5G KPI measurements in the 5GENESIS platforms
Georgios Xylouris and Maria Christopoulou and Harilaos Koumaras and Michail-Alexandros Kourtis and Marc Emmelmann and Dionysia Triantafyllopoulou and Yogaratnam Rahulan and Ivan Gonzalez Muriel and Almudena Diaz Zayas and Eneko Atxutegi and Georgios Gardikis and Dimitrios Lioprasitis and Dimitris Tsolkas and Panagiotis Kostakis and Erik Aumayr and Anne-Marie Bosneag and Ozgu Alay and Valerio Frascolla and Anna Brunstrom
Unknown Venue
The adoption of 5G has recently picked up pace and across the globe commercial deployments are more and more numerous. In addition to better performance, the 5G technology brings, among others, management and operation flexibility, thus allowing industry verticals to exploit features of the telecommunication networks that go far beyond the new mobile access capabilities. As with any new technology, the integration, testing and validation of new vertical applications pose great challenges at both
5g experimentation: The experience of the athens 5genesis facility
Maria Christopoulou and Georgios Xilouris and Athanasios Sarlas and Harilaos Koumaras and Michail-Alexandros Kourtis and Themistoklis Anagnostopoulos
Unknown Venue
5G is the latest wireless standard designed to comply with stringent performance requirements for supporting diverse use cases spanning over different verticals, considered not feasible with previous cellular network technology. In this context, the European Commission has funded multiple research projects aiming at validating 5G Key Performance Indicators (KPIs) over large scale field trials on different use cases. The 5GENESIS project provides a flexible and open experimentation suite with net
Leveraging Deep Learning for Network Anomaly Detection
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Conference 2021 5 citations
Network slicing for 5G edge services
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Conference 2021 5 citations
An open source 5G experimentation testbed
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Conference 2021 2 citations
5G slicing for emergency communications
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Conference 2021 2 citations
Extending network slice management to the end-host
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Conference 2021 0 citations
Monitoring and Analytics (Release B)
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Conference 2021 0 citations
AI-enabled slice protection exploiting moving target defense in 6G networks
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Conference 2020 63 citations
INSPIRE-5Gplus: Intelligent security and pervasive trust for 5G and beyond networks
Jordi Ortiz and Ramon Sanchez-Iborra and Jorge Bernal Bernabe and Antonio Skarmeta and Chafika Benzaid and Tarik Taleb and Pol Alemany and Raul Muñoz and Ricard Vilalta and Chrystel Gaber and Jean-Philippe Wary and Dhouha Ayed and Pascal Bisson and Maria Christopoulou and George Xilouris and Edgardo Montes De Oca and Gürkan Gür and Gianni Santinelli and Vincent Lefebvre and Antonio Pastor and Diego Lopez
Unknown Venue
The promise of disparate features envisioned by the 3GPP for 5G, such as offering enhanced Mobile Broadband connectivity while providing massive Machine Type Communications likely with very low data rates and maintaining Ultra Reliable Low Latency Communications requirements, create a very challenging environment for protecting the 5G networks themselves and associated assets. To overcome such complexity, future 5G networks must employ a very high degree of network and service management automat
Michail-Alexandros Kourtis and Themis Anagnostopoulos and Slawomir Kukliński and Michal Wierzbicki and Andreas Oikonomakis and George Xilouris and Ioannis P Chochliouros and Na Yi and Alexandros Kostopoulos and Thanos Sarlas and Harilaos Koumaras
Unknown Venue
Network slicing already plays an important role as a critical enabler in the current 5G technology domain. 5G aims to disrupt and accelerate innovation in various vertical fields, among those is the vehicular industry. In the detailed scope of the 5G-DRIVE research project promoting cooperation between the EU and China, a set of trials is to be undertaken towards promoting 5G growth. In this paper, initially, we identify a variety of challenges arising from the 5G convergence to the automotive i
White paper: Intelligent security architecture for 5g and beyond networks
C Benzaid and P Alemany and D Ayed and G Chollon and M Christopoulou and G Gür and V Lefebvre and EM de Oca and R Munoz and J Ortiz and A Pastor and R Sanchez-Iborra and T Taleb and R Vilalta and G Xilouris
Deliverable 6.2: Trials and experimentation (cycle 2)
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Conference 2019 44 citations
Introducing automated verification and validation for virtualized network functions and services
Manuel Peuster and Stefan Schneider and Mengxuan Zhao and George Xilouris and Panagiotis Trakadas and Felipe Vicens and Wouter Tavernier and Thomas Soenen and Ricard Vilalta and George Andreou and Dimosthenis Kyriazis and Holger Karl
Unknown Venue
NFV and SDN transform network management and operation into agile development tasks. They involve software artefacts, which are managed and deployed as composite services using DevOps principles. Those softwarized networks rely on complex technology stacks, starting with low-level virtualization technologies and ranging up to machine-learning-based orchestration solutions. One of the main challenges in those environments is to verify that the deployed functions and services operate correctly and
A cloud-enabled small cell architecture in 5G networks for broadcast/multicast services
Michail-Alexandros Kourtis and Begoña Blanco and Jordi Pérez-Romero and Dimitris Makris and Michael J McGrath and George Xilouris and Daniele Munaretto and Rubén Solozabal and Aitor Sanchoyerto and Ioannis Giannoulakis and Emmanouil Kafetzakis and Vincenzo Riccobene and Elisa Jimeno and Anastasios Kourtis and Ramon Ferrús and Fidel Liberal and Harilaos Koumaras and Alexandros Kostopoulos and Ioannis Chochliouros
Unknown Venue
The evolution of 5G suggests that communication networks become sufficiently flexible to handle a wide variety of network services from various domains. The virtualization of small cells as envisaged by 5G, allows enhanced mobile edge computing capabilities, thus enabling network service deployment and management near the end user. This paper presents a cloud-enabled small cell architecture for 5G networks developed within the 5G-ESSENCE project. This paper also presents the conformity of the pr
Empowering network service developers: enhanced nfv devops and programmable mano
Thomas Soenen and Wouter Tavernier and Manuel Peuster and Felipe Vicens and George Xilouris and Stavros Kolometsos and Michail-Alexandros Kourtis and Didier Colle
Unknown Venue
Although network functions virtualization redefined the role of the network service developer, existing concepts that are supposed to enable them are still limited, cumbersome, and time consuming in regard to the promised flexibility. This article describes how to move forward from these initial steps, identifies the challenges network service developers face during both development and runtime, and explains how to overcome them with our SCK and programmable MANO framework. We detail how our SCK
Managing and optimizing quality of service in 5G environments across the complete SLA lifecycle
Evgenia Kapassa and Marios Touloupou and Panagiotis Stavrianos and Georgios Xylouris and Dimosthenis Kyriazis
Unknown Venue
The 5G is the fifth generation of mobile broadband, cellular technologies, and networks that promises a major change in mobility by evolving connected business realities. In such an emerging environment, reliable Service Level Agreements (SLA) and anticipation of breaches of Service Level Objectives (SLO) become compulsory. Thus, guaranteeing the required service quality, while also ensuring efficient recourse allocation becomes a challenge. In addition, 5G networks are expected to provide diver
Orchestrating live immersive media services over cloud native edge infrastructure
Yash Shekhawat and Jens Piesk and Holger Sprengel and Ignacio Domínguez Gómez and Felipe Vicens and Sonia Castro Carrillo and Panagiotis Trakadas and Panagiotis Karkazis and Theodore Zahariadis and Marios Touloupou and Evgenia Kapassa and Dimosthenis Kyriazis and George Xilouris and Antón Román Portabales
Unknown Venue
Live streaming is becoming an essential for the entertainment and media industry. Quality of Service (QoS) and reliability is a major factor in live streaming, whereas availability and interaction between users are considered very important. Furthermore, the amount of data those services produce is huge, while the data production rate has dramatically increased the last years. Thus, the use of 5G networking technologies, such as Network Function Virtualization (NFV), appears to be a promising so
Intelligent security and pervasive trust for 5g and beyond
Grant Millar and Anastasios Kafchitsas and A Kourtis and G Xilouris and M Christopoulou and S Kolometsos and EM de Oca and HNN MI and A Pastor and S Fernandez
Unknown Venue
This Deliverable presents the current security landscape of 5G networks, as well as the evolution of requirements and trends in 5G security. It includes a summary of the 5G threat landscape, the 5G networks classification criteria and their threat taxonomy; a description of security requirements of 5G systems, divided into domain-specific use cases, and the elicitation of security requirements from relevant stakeholders in 5G; the current status of 5G networks, the solutions state for securing 5
Dynamic bandwidth allocation for LAN-2-LAN interconnection using DVB-S satellite transmission
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Conference 2019 4 citations
Sla-controlled proxy service through customisable mano supporting operator policies
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Conference 2019 2 citations
Virtualization evolution: from IT infrastructure abstraction of cloud computing to virtualization of network functions
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Conference 2019 1 citations
An End-to-End Carrier Ethernet MEF enabled 5G network architecture
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Conference 2019 0 citations
Standardization and Regulation Report (Release A)
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Conference 2019 0 citations
FOG SERVICES AND ENABLING TECHNOLOGIES
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Conference 2019 0 citations
INtelligent Security and PervasIve tRust for 5G and Beyond
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Conference 2018 40 citations
5gtango: A beyond-mano service platform
Carlos Parada and José Bonnet and Eleni Fotopoulou and Anastasios Zafeiropoulos and Evgenia Kapassa and Marios Touloupou and Dimosthenis Kyriazis and Ricard Vilalta and Raul Muñoz and Ramon Casellas and Ricardo Martinez and George Xilouris
Unknown Venue
Unlike previous generations, 5G will be more than just a mobile network. 5G will have broader coverage, including humans, but also cars, robots, and things in general; and will target verticals like eHealth, Automotive, or Industry 4.0, just name a few. To deal with this, 5G will need to be faster, more efficient, reliable, flexible, agile, and, at the same time, cost less. For this to be possible, 5G has to engage with the best-of-breed of the emerging technologies, where NFV is definitely in t
UAV-assisted 5G network architecture with slicing and virtualization
George K Xilouris and Michael C Batistatos and Georgia E Athanasiadou and Georgios Tsoulos and Haris Bin Pervaiz and Charilaos C Zarakovitis
Unknown Venue
Next generation networks promise not only extremely high data rates and low latency, but also ubiquitous coverage and massive IoT. One of the major challenges is the guaranteed service provision even in cases of network failure (e.g. infrastructure damage, remote areas, flash crowd areas etc.). Flying nodes that will act as aerial base stations or relays could back-up the network fast and prevent any service interruption or even enhance network performance. This paper discusses the architecture
Peter Twamley and Marcel Müller and Patrick-Beniamin Bök and George K Xilouris and Christos Sakkas and Michail Alexandros Kourtis and Manuel Peuster and Stefan Schneider and Panagiotis Stavrianos and Dimosthenis Kyriazis
Unknown Venue
Programmability, control and flexibility can be considered as some of the indirect enablers for the success of 5G technologies. A key driver towards this are mechanisms or methodologies to drive shorter time to market for suppliers and operators of virtual network functions (VNFs) and network services. 5GTANGO includes a DevOps approach that can be utilized for the validation and verification (V&V) of VNFs and network services. In this paper, we elaborate further on the approaches made in the ar
Insights from SONATA: Implementing and integrating a microservice-based NFV service platform with a DevOps methodology
Thomas Soenen and Steven Van Rossem and Wouter Tavernier and Felipe Vicens and Dario Valocchi and Panos Trakadas and Panos Karkazis and George Xilouris and Philip Eardley and Stavros Kolometsos and Michail-Alexandros Kourtis and Daniel Guija and Shuaib Siddiqui and Peer Hasselmeyer and José Bonnet and Diego Lopez
Unknown Venue
In pursuit of a flexible, resource efficient and high- performant 5G infrastructure, many operators, vendors and research consortia are currently developing, testing and integrating their NFV platform with associated management and orchestration (MANO) functionality. The SONATA NFV platform follows a micro-service design, which involves a tight coupling between an SDK, monitoring and MANO functionality, targeting a secure and stable software foundation. This experience paper gives a thorough ove
Evaluation of Apache spot's machine learning capabilities in an SDN/NFV enabled environment
Christos M Mathas and Olga E Segou and Georgios Xylouris and Dimitris Christinakis and Michail-Alexandros Kourtis and Costas Vassilakis and Anastasios Kourtis
Unknown Venue
Software Defined Networking (SDN) and Network Function Virtualisation (NFV) are transforming modern networks towards a service-oriented architecture. At the same time, the cybersecurity industry is rapidly adopting Machine Learning (ML) algorithms to improve detection and mitigation of complex attacks. Traditional intrusion detection systems perform signature-based detection, based on well-known malicious traffic patterns that signify potential attacks. The main drawback of this method is that a
A SDN-based WiFi-VLC coupled system for optimised service provision in 5G networks
Harilaos Koumaras and Dimitris Makris and Andreas Foteas and George Xilouris and Michael-Alexandros Kourtis and Vaios Koumaras and John Cosmas
Unknown Venue
Visible Light Communication (VLC) is a powerful supplement, which has gained tremendous attention recently and has become a favorable technology in short-range communication scenarios for the Fifth Generation (5G) networks. VLC possesses a number of prominent features to address the highly demanding 5G system requirements for high capacity, high data rate, high spectral efficiency, high energy efficiency, low battery consumption, and low latency. However, this prominent performance is limited by
Towards autonomic policy-based network service deployment with SLA and monitoring
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Conference 2018 3 citations
Service specific management and orchestration for a content delivery network
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Conference 2017 298 citations
Technology pillars in the architecture of future 5G mobile networks: NFV, MEC and SDN
Bego Blanco and Jose Oscar Fajardo and Ioannis Giannoulakis and Emmanouil Kafetzakis and Shuping Peng and Jordi Pérez-Romero and Irena Trajkovska and Pouria S Khodashenas and Leonardo Goratti and Michele Paolino and Evangelos Sfakianakis and Fidel Liberal and George Xilouris
Unknown Venue
This paper analyzes current standardization situation of 5G and the role network softwarization plays in order to address the challenges the new generation of mobile networks must face. This paper surveys recent documentation from the main stakeholders to pick out the use cases, scenarios and emerging vertical sectors that will be enabled by 5G technologies, and to identify future high-level service requirements. Driven by those service requirements 5G systems will support diverse radio access t
SONATA: Service programming and orchestration for virtualized software networks
Sevil Dräxler and Holger Karl and Manuel Peuster and Hadi Razzaghi Kouchaksaraei and Michael Bredel and Johannes Lessmann and Thomas Soenen and Wouter Tavernier and Sharon Mendel-Brin and George Xilouris
Unknown Venue
In conventional large-scale networks, creation and management of network services are costly and complex tasks that often consume a lot of resources, including time and manpower. Network softwarization and network function virtualization have been introduced to tackle these problems, aiming at decreasing costs and complexity of implementing new services, maintaining the implemented services, and managing available resources in service provisioning platforms and underlying infrastructures. To exp
T-nova: An open-source mano stack for nfv infrastructures
Michail-Alexandros Kourtis and Michael J McGrath and Georgios Gardikis and Georgios Xilouris and Vincenzo Riccobene and Panagiotis Papadimitriou and Eleni Trouva and Francesco Liberati and Marco Trubian and Josep Batallé and Harilaos Koumaras and David Dietrich and Aurora Ramos and Jordi Ferrer Riera and José Bonnet and Antonio Pietrabissa and Alberto Ceselli and Alessandro Petrini
Unknown Venue
One of the primary challenges associated with network functions virtualization (NFV) is the automated management of the service lifecycle. In this paper, we present a full software-based management and orchestration (MANO) stack which operates with OpenStack and OpenDaylight controllers and has the in-built functionality to automate the key phases of the NFV service lifecycle, namely resource discovery and matching, service mapping, service deployment, and monitoring. The MANO stack is being imp
SDN-based service function chaining mechanism and service prototype implementation in NFV scenario
Irena Trajkovska and Michail-Alexandros Kourtis and Christos Sakkas and Denis Baudinot and João Silva and Piyush Harsh and George Xylouris and Thomas Michael Bohnert and Harilaos Koumaras
Unknown Venue
The fast growing development of Network Function Virtualization (NFV) trends and the remarkable progress of Software Defined Networking (SDN) have yielded a synergy between both, towards the provision of convergent networking solutions. Since the traditional networking principles were not designed according to the NFV principles, a work has emerged dedicated to protocol redesign among the academic fellows and the industry representatives. A typical example that has been introduced in such eco-sy
Georgios Gardikis and K Tzoulas and K Tripolitis and A Bartzas and Socrates Costicoglou and Antonio Lioy and Bernat Gaston and Carolina Fernandez and Cristian Davila and Antonios Litke and Nikolaos Papadakis and Dimitris Papadopoulos and Antonio Pastor and Jerónimo Núñez and Ludovic Jacquin and Hamza Attak and N Davri and George Xylouris and M Kafetzakis and Dimitris Katsianis and Ioannis Neokosmidis and M Terranova and C Giustozzi and T Batista and R Preto and Eleni Trouva and Y Angelopoulos and Akis Kourtis
Unknown Venue
SHIELD is an EU-funded project, targeting at the design and development of a novel cybersecurity framework, which offers security-as-a-Service in an evolved telco environment. The SHIELD framework leverages NFV (Network Functions Virtualization) and SDN (Software-Defined Networking) for virtualization and dynamic placement of virtualised security appliances in the network (virtual Network Security Functions - vNSFs), Big Data analytics for real-time incident detection and mitigation, as well as
Verification and validation framework for 5G network services and apps
Mengxuan Zhao and Franck Le Gall and Philippe Cousin and Ricard Vilalta and Raul Muñoz and Sonia Castro and Manuel Peuster and Stefan Schneider and Maria Siapera and Evgenia Kapassa and Dimosthenis Kyriazis and Peer Hasselmeyer and George Xilouris and Christos Tranoris and Spyros Denazis and Josep Martrat
Unknown Venue
5G does not only aim at higher capacity and lower latency than current 4G in mobile broadband networks, but also to increase the level of programmability, control and flexibility to meet the requirements from innovative use cases such as IoT, smart manufacturing, and immersive media. However, several difficulties still need to be overcome for a better technological adoption. To reduce the time-to-market for networked services and to lower the entry barrier to third party developers of VNFs and n
An NFV-based video quality assessment method over 5G small cell networks
Michail-Alexandros Kourtis and Harilaos Koumaras and George Xilouris and Fidel Liberal
Unknown Venue
A video quality assessment mechanism for next-generation (5G) mobile networks uses the small cell deployment architecture to implement a virtual network function to enable in-service monitoring of delivered video quality.
Service mapping and orchestration over multi-tenant cloud-enabled RAN
Pouria Sayyad Khodashenas and Bego Blanco and Michail-Alexandros Kourtis and Ianire Taboada and George Xilouris and Ioannis Giannoulakis and Elisa Jimeno and Irena Trajkovska and Jose Oscar Fajardo and Emmanouil Kafetzakis and Javier García Lloreda and Fidel Liberal and Alan Whitehead and Mick Wilson and Harilaos Koumaras
Unknown Venue
Fifth-generation (5G) envisages a “hyper-connected society” where an enormous number of diverse entities could communicate with each other anywhere and at any time, some of which will demand extremely challenging performance requirements such as sub-millisecond latency, and higher data rates. Cloud-enabled radio access networks (CE-RANs) where intelligence is placed at the edge of the mobile network and in the proximity of end users emerge as a promising solution to improve online experience. To
Ioannis Angelopoulos and Eleni Trouva and George Xilouris
Unknown Venue
Network softwarization - through the adoption of Software Defined Networking (SDN), Network Functions Virtualization (NFV) and Cloud-Fog computing technologies - is deeply impacting telecom and ICT industries. This transformation, along with numerous advantages, brings also considerable challenges. In this paper, we discuss the main features of monitoring in the afore-mentioned landscape as well as the main requirements imposed to resource monitoring systems for supporting future 5G deployments
Exploiting NFV techniques towards future VQA methods
Unknown
Unknown Venue
Conference 2017 4 citations
Deployment of virtual network functions over multiple WAN interconnected PoPs
Unknown
Unknown Venue
Conference 2017 3 citations
Service orchestration leveraging software networks and DevOps in 5G
Unknown
Unknown Venue
Conference 2017 3 citations
Devops based service orchestration in 5G virtualised networks-SONATA project demo
Unknown
Unknown Venue
Conference 2017 3 citations
D4. 3. Service Platform First Operational Release and Documentation
Unknown
Unknown Venue
Conference 2017 3 citations
D7. 1 Evaluation strategy and testbed setup report
Unknown
Unknown Venue
Conference 2017 1 citations
LTE Edge Network Enhancement with NFV-based Core Functionalities
Unknown
Unknown Venue
Conference 2016 57 citations
DevOps for network function virtualisation: an architectural approach
Holger Karl and Sevil Dräxler and Manuel Peuster and Alex Galis and Michael Bredel and Aurora Ramos and Josep Martrat and Muhammad Shuaib Siddiqui and Steven Van Rossem and Wouter Tavernier and George Xilouris
Unknown Venue
The Service Programming and Orchestration for Virtualised Software Networks (SONATA) project targets both the flexible programmability of software networks and the optimisation of their deployments by means of integrating Development and Operations in order to accelerate industry adoption of software networks and reduce time‐to‐market for networked services. SONATA supports network function chaining and orchestration, making service platforms modular and easier to customise to the needs of diffe
TeNOR: Steps towards an orchestration platform for multi-PoP NFV deployment
Jordi Ferrer Riera and Josep Batallé and José Bonnet and Miguel Dias and Michael McGrath and Giuseppe Petralia and Francesco Liberati and Alessandro Giuseppi and Antonio Pietrabissa and Alberto Ceselli and Alessandro Petrini and Marco Trubian and Panagiotis Papadimitrou and David Dietrich and Aurora Ramos and Javier Melián and George Xilouris and Akis Kourtis and Tasos Kourtis and Evangelos K Markakis
Unknown Venue
Network Functions Visualization is focused on migrating traditional hardware-based network functions to software-based appliances running on standard high volume severs. There are a variety of challenges facing early adopters of Network Function Virtualizations; key among them are resource and service mapping, to support virtual network function orchestration. Service providers need efficient and effective mapping capabilities to optimally deploy network services. This paper describes TeNOR, a m
An integrating framework for efficient NFV monitoring
Georgios Gardikis and Ioannis Koutras and George Mavroudis and Socrates Costicoglou and George Xilouris and Christos Sakkas and Akis Kourtis
Unknown Venue
Most challenges associated with Network Functions Virtualisation (NFV) are related to the automated and large-scale deployment of virtualised network functions (VNFs) within an operational infrastructure, as well as their availability and performance. In order to effectively face these challenges, efficient and comprehensive monitoring of NFV services is a critical aspect. This paper discusses the challenges of proper NFV monitoring, focusing on the process of collecting NFV Infrastructure (NFVI
Statistical-based anomaly detection for NFV services
Michail-Alexandros Kourtis and George Xilouris and Georgios Gardikis and Ioannis Koutras
Unknown Venue
Large-scale, carrier-grade Network Functions Virtualisation (NFV) services are expected to involve a significant number of Virtual Network Functions, deployed across multiple Points-of-Presence (PoPs) and possibly in heterogeneous infrastructures. While proper monitoring is crucial for the commercial viability of NFV services, effectively and efficiently monitoring a huge number of VNF instances, promptly detecting any malfunctions or anomalies in order to trigger corrective actions, becomes a r
Automated generation of VNF deployment rules using infrastructure affinity characterization
Vincenzo Riccobene and Michael J McGrath and Michail-Alexandros Kourtis and George Xilouris and Harilaos Koumaras
Unknown Venue
As the rollout of NFV in the Telecommunications domain gains momentum, methods that enable the automated and performant deployment of VNFs are required to support large scale deployments. This paper presents a framework that enables the automated characterization of VNFs and modelling of the relationships between resource types, quantities and achieved performance. A workload characterization approach is proposed to identify the most appropriate types of resources to be allocated to a VNF at dep
In-service Video Quality assessment based on SDN/NFV techniques
Harilaos Koumaras and Michail-Alexandros Kourtis and Christos Sakkas and George Xilouris and Stavros Kolometsos
Unknown Venue
This paper discusses the utilization of SDN/NFV as enabling technology for the provision of in-service video quality assessment. The proposed method is based on a reduced reference extension of the widely used full reference SSIM metric, proving how the applicability of SDN/NFV can support the development of novel value-added service. The proposed video quality assessment method is based on a two-step process, where in the first step a test pattern is used as a reference for the assessment of th
System architecture and deployment scenarios for SESAME: Small cEllS coodinAtion for Multi-tenancy and Edge services
Unknown
Unknown Venue
Conference 2016 2 citations
VNFaaS with end-to-end full service orchestration
Unknown
Unknown Venue
Conference 2016 2 citations
D4. 1 Orchestrator Prototype
Unknown
Unknown Venue
Conference 2015 110 citations
Enhancing VNF performance by exploiting SR-IOV and DPDK packet processing acceleration
Michail-Alexandros Kourtis and Georgios Xilouris and Vincenzo Riccobene and Michael J McGrath and Giuseppe Petralia and Harilaos Koumaras and Georgios Gardikis and Fidel Liberal
Unknown Venue
The primary goal of Network Function Virtualization (NFV) is the migration of physical network functions to software versions running on virtual machines (VM) in cloud computing environments. Rapid developments in virtualization technologies have made high-speed network connections and line rate packet processing viable in virtualized infrastructure environments. Deep Packet Inspection (DPI) of network traffic in the form of a computational intensive virtualized network function (VNF) was select
Migrating to a NFV-based Home Gateway: Introducing a Surrogate vNF approach
Nicolas Herbaut and Daniel Negru and George Xilouris and Yiping Chen
Unknown Venue
Virtualizing network functions is becoming a major trend in today's research on cloud computing. Among networking elements, the Home Gateway appears to be one with the most diverse functions to handle and thus, with great potential for virtualization. To this end, the paper proposes a solution to ease adoption by Service Providers of the latest breakthroughs in cloud computing technologies towards a virtualized Home Gateway. Although the NFV approach globally pretends bringing operational advan
T-nova: Network functions as-a-service over virtualised infrastructures
George Xilouris and Michail-Alexandros Kourtis and Michael J McGrath and Vincenzo Riccobene and Guiseppe Petralia and Evangelos Markakis and Evangelos Palis and Alexiou Georgios and Georgios Gardikis and Jordi F Riera and Aurora Ramos and José Bonnet
Unknown Venue
The EU funded FP7 project T-NOVA, with the specific goal of accelerating the evolution of NFV, proposes an open architecture to provide Virtual Network Functions as a Service (VNFaaS), together with a dynamic, and flexible platform for the management of Network Services (NSs) composed by those Virtual Network Functions (VNFs). The proposed architecture allows operators to deploy distinct virtualized network functions, not only for their internal operational needs, but also to offer them to their
Performant deployment of a virtualised network functions in a data center environment using resource aware scheduling
Unknown
Unknown Venue
Conference 2015 1 citations
The Surrogate vNF approach for Content Distribution
Unknown
Unknown Venue
Conference 2014 136 citations
T-NOVA: A marketplace for virtualized network functions
Georgios Xilouris and Eleni Trouva and Felicia Lobillo and João M Soares and Jorge Carapinha and Michael J McGrath and George Gardikis and Pietro Paglierani and Evangelos Pallis and Letterio Zuccaro and Yacine Rebahi and Anastasios Kourtis
Unknown Venue
Network Functions Virtualization (NFV) is a concept, which has attracted significant attention as a promising approach towards the virtualization/“softwarisation” of network infrastructures. With the aim of promoting NFV, this paper outlines an integrated architecture, designed and developed within the context of the EU FP7 T-NOVA project, which allows network operators not only to deploy virtualized Network Functions (NFs) for their own needs, but also to offer them to their customers, as value
On the applications of efficient NFV management towards 5G networking
Ioannis Giannoulakis and Emmanouil Kafetzakis and George Xylouris and George Gardikis and Anastasios Kourtis
Unknown Venue
The paper leverages the emerging paradigm of Network Function Virtualization (NFV) in an attempt to outline from the network management point of view the current trends on the road to 5G region. To that end, relevant architectural frameworks and concepts have been presented and the anticipated network densification through the notion of Edge Cloud has been discussed.Within this context, added value assets that can be generated by following some of the analysed principles have been also included.
A scalable and flexible packet forwarding method for future internet networks
Andrzej Beben and Piotr Wisniewski and Jordi Mongay Batalla and George Xilouris
Unknown Venue
The paper proposes a novel flexible packet forwarding (FPF) method designed for Future Internet networks. It follows the source routing principle at an inter-domain level and applies the list of domain customized identifiers to forward packets on the end-to-end path. The main features are capability to introduce flexible routing path selection, native support for multipath and multicast packet transfer, ability for exploitation of advanced in-network packet processing as, e.g., content recoding
A network cost provision framework for Network-Aware applications
Unknown
Unknown Venue
Conference 2013 3 citations
SNMP-driven active measurements in DiffServ networks
Unknown
Unknown Venue
Conference 2013 1 citations
Efficient planning of virtual network services
Unknown
Unknown Venue
Conference 2012 18 citations
Scalable media coding enabling content-aware networking
Michael Grafl and Christian Timmerer and Hermann Hellwagner and George Xilouris and Georgios Gardikis and Daniele Renzi and Stefano Battista and Eugen Borcoci and Daniel Negru
Unknown Venue
Increasingly popular multimedia services are expected to play a dominant role in the future of the Internet. In this context, it is essential that content-aware networking (CAN) architectures explicitly address the efficient delivery and processing of multimedia content. This article proposes the adoption of a content-aware approach into the network infrastructure, thus making it capable of identifying, processing, and manipulating media streams and objects in real time to maximize quality of se
Joint assessment of Network-and Perceived-QoS in video delivery networks
Georgios Gardikis and George Xilouris and Evangelos Pallis and Anastasios Kourtis
Unknown Venue
Given the increasing number of IP streaming video customers, service providers are seeking an efficient way to monitor in real time the offered quality of service, as perceived by each end user. Since real-time video quality assessment via image processing algorithms is quite bandwidth- and processing-power-demanding, a feasible alternative could be to monitor the Network-level Quality of Service (NQoS) and associate it with the Perceived QoS (PQoS). This article presents a network-agnostic fram
Georgios Gardikis and Lemonia Boula and George Xilouris and Anastasios Kourtis and Evangelos Pallis and Mamadou Sidibé and Daniel Négru
Unknown Venue
In a time when media content, including user-generated, is flooding the Internet, and WebTV services are becoming more and more attractive and competitive, “fenced wall” IPTV operators need to come up with clear benefits, focusing on high content quality and guaranteed QoS/QoE. Quality guarantees can be achieved only via an end-to-end network and service management architecture, supported by an efficient monitoring system. This article discusses cross-layer IPTV service and network monitoring ap
Katia Sarsembagieva and Georgios Gardikis and George Xilouris and Anastasios Kourtis
Unknown Venue
MPLS and MPLS-TE are playing a key role in resource management of contemporary packet networks and also in the provisioning of end-to-end virtualized network services. In this context, route planning and resource allocation in MPLS networks, conforming to MPLS-TE requirements, is of vital importance for optimizing network usage. This paper proposes an MPLS-TE-conformant route planning algorithm which is significantly fast - and thus suitable for online use - while at the same time yields satisfa
Distributed adaptation decision-taking framework and Scalable Video Coding tunneling for edge and in-network media adaptation
Unknown
Unknown Venue
Conference 2012 0 citations
Network media ecosystems: The opportunity for network providers
Unknown
Unknown Venue
Conference 2011 22 citations
Media ecosystems: A novel approach for content-awareness in future networks
Harilaos Koumaras and Daniel Negru and Eugen Borcoci and Vaios Koumaras and Costas Troulos and Yael Lapid and Evangelos Pallis and Mamadou Sidibé and Antonio Pinto and Georgios Gardikis and Georgios Xilouris and Christian Timmerer
Unknown Venue
This chapter proposes a novel concept towards the deployment of a networked ‘Media Ecosystem’. The proposed solution is based on a flexible cooperation between providers, operators, and end-users, finally enabling every user first to access the offered multimedia services in various contexts, and second to share and deliver his own audiovisual content dynamically, seamlessly, and transparently to other users. Towards this goal, the proposed concept provides content-awareness to the network envir
Media ecosystem deployment in a content-aware future internet architecture
Georgios Gardikis and George Xilouris and Anastasios Kourtis and Daniel Negru and Yiping Chen and Petros Anapliotis and Evangelos Pallis
Unknown Venue
Creation and efficient distribution of new rich media services is foreseen to play a key role in the Future Internet. Emerging FI architectures should be able to fully support and facilitate all kinds of current and future media-oriented applications. The architecture illustrated in this paper facilitates the deployment of an integrated Media Ecosystem, where all users can efficiently not only have access to, but also compose and share rich media services. This is achieved via a mesh of intellig
Connectivity services management in multi-domain content-aware networks for multimedia applications
Eugen Borcoci and Mihai Stanciu and Dragoş Niculescu and Daniel Negru and George Xilouris
Unknown Venue
This paper proposes a new framework, for connectivity services management in overlay Virtual Content Aware Networks (VCAN) built over multi-domain, multiprovider IP networks. The framework is part of a Future Internet-oriented Multimedia networked architecture developed inside a FP7 European ICT research project, ALICANTE. The VCAN new concept is a stronger coupling between network and applications. The VCANs are managed by CAN Providers, and the high level services by Service Providers (SP). Th
A preliminary implementation of a Content-Aware network node
Unknown
Unknown Venue
Conference 2011 5 citations
Performance evaluation of H264/SVC streaming system featuring real-time in-network adaptation
Unknown
Unknown Venue
Conference 2011 1 citations
Quality of Services Assurance for Multimedia Flows based on Content-Aware Networking
Unknown
Unknown Venue
Conference 2011 0 citations
Service provider anD Content Aware Network Provider cross-layer optimisation of multimedia distribution
Unknown
Unknown Venue
Conference 2011 0 citations
Media ecosystems: A novel approach for content-awareness in future networks
Unknown
Unknown Venue
Conference 2010 18 citations
An adaptive system for real-time scalable video streaming with end-to-end QOS control
Beilu Shao and Daniele Renzi and Peter Amon and George Xilouris and Nikolaos Zotos and Stefano Battista and Anastasios Kourtis and Marco Mattavelli
Unknown Venue
This paper presents a real-time adaptive video streaming system based on the latest standardized video codec H.264/MPEG-4 AVC scalable extension (SVC). The system provides a full MPEG-21 media access framework over heterogeneous networks and terminals with end-to-end QoS control and multimedia adaptation based on SVC. This adaptive streaming system is composed of a server with a real-time SVC encoder, an adaptive network node, and a terminal with appropriate feedback of perceptual quality, netwo
A perceived quality-aware cross layer monitoring framework for real-time media content adaptation
Unknown
Unknown Venue
Conference 2008 13 citations
Broadband multimedia on the move with DVB-H
Georgios Gardikis and Georgios Xilouris and Charalabos Skianis and Anastasios Kourtis
Unknown Venue
DVB-H is the newly standardized extension to DVB-T, aiming at the provision of IP datacasting (IPDC) services to mobile terminals. This tutorial paper outlines the structure of an interactive DVB-H platform and presents in brief the technical advances of the new specification. It also discusses some interesting scenarios of interactive and non-interactive services which can be directly deployed with the use of the DVB-H technology either as a stand-alone broadcast network or as a complement to e
An MPLS-DiffServ experimental core network infrastructure for E2E QoS content delivery
Unknown
Unknown Venue
Conference 2008 2 citations
A demonstration infrastructure for E2E QoS services provisioning
Unknown
Unknown Venue
Conference 2008 1 citations
Perceived Quality Evaluation for Multimedia Services
Unknown
Unknown Venue
Conference 2007 2 citations
Enthrone experimental infrastructure for E2E QoS provisioning
Unknown
Unknown Venue
Conference 2007 0 citations
Shot Boundary Detection Techniques for Video Sequences
Unknown
Unknown Venue
Conference 2006 38 citations
Shot boundary detection without threshold parameters
Harilaos Koumaras and Georgios Gardikis and Georgios Xilouris and Evangelos Pallis and Anastasios Kourtis
Unknown Venue
Automatic shot boundary detection is a field, where many techniques and methods have been proposed and have claimed to perform reliably, especially for abrupt scene cut detection. However, all the proposed methods share a common drawback: the necessity of a threshold value, which is used as a reference for detecting scene changes. The determination of the appropriate value or the dynamic reestimation of this threshold parameter remains the most challenging issue for the existing shot boundary de
Unidirectional lightweight encapsulation: performance evaluation and application perspectives
Georgios Xilouris and Georgios Gardikis and Harilaos Koumaras and Anastasios Kourtis
Unknown Venue
Multi Protocol Encapsulation (MPE) is today the dominant method for encapsulating IP data into the MPEG-2 Transport Stream so they can be conveyed over digital television platforms (DVB or ATSC). Unidirectional Lightweight Encapsulation (ULE) is a new alternative to MPE, providing simplicity, efficiency and configurability. This paper presents the principle and benefits of ULE, approaches the issues associated with its adoption and compares it against MPE through extensive performance measuremen
A Markov modified model of H. 264 VBR video traffic
Unknown
Unknown Venue
Conference 2006 0 citations
Maximising spectrum efficiency in interactive DVB-S. 2 networks
Unknown
Unknown Venue
Conference 2006 0 citations
Traffic Differentiation Support in a Heterogeneous IP/DVB Network
Unknown
Unknown Venue
Conference 2005 11 citations
Broadband data access over hybrid DVB-T networks
G Gardikis and G Kormentzas and G Xilouris and H Koumaras and A Kourtis
Unknown Venue
Contemporary DVB-based digital terrestrial systems (DVB-T, DVB-H) provide an efficient distribution network not only for DTV programs, but also for interactive data services. When combined with an appropriate interaction network (return channel), the DVB platform can act as the downlink in a hybrid asymmetric network, enabling for bidirectional broadband data access, supporting Internet connectivity and client-server applications. In this context, this paper presents an interactive DVB-T platfor
Enthrone core networking elements for end-to-end QoS provision over heterogeneous settings
Unknown
Unknown Venue
Conference 2005 5 citations
A mesh topology DVB-S network architecture for node interconnection, featuring QoS capabilities
Unknown
Unknown Venue
Conference 2005 0 citations
Enthrone Core Networking Elements for End-to-End QoS Provision over Heterogeneous Settings
Unknown
Unknown Venue
Conference 2005 0 citations
Inter-domain QoS Monitoring System for Supporting Service Assurance and Resource Management across Heterogeneous Networks
Unknown
Unknown Venue
Conference 2004 13 citations
Pre-encoding PQoS assessment method for optimized resource utilization
H Koumaras and E Pallis and G Xilouris and A Kourtis and D Martakos and J Lauterjung
Unknown Venue
This paper presents an assessment method for fast and quantified estimation of the Perceived Quality of Service (PQoS) for homogeneous MPEG-4 video content, enabling optimized utilization of the corresponding storage and bandwidth resources. Besides, the Mean Perceived Quality of Service (MPQoS) as a function of the video encoding rate is introduced and exploited as a metric for objective video quality assessment. The validity of this metric is evaluated by comparing PQoS experimental curves to
Charalabos Skianis and Georgios Kormentzas and Anastasios Kourtis and Georgios Xilouris and Ahmed Mehaoua and Toufik Ahmed and D Negru and E Borcoci and E LeDoeuff
Unknown Venue
In this paper ENTHRONE (End-to-End QoS through Integrated Management of Content, Networks and Terminals) outlines its perspective for E2E QoS. The aim is to develop an integrated management solution that will handle in a homogeneous manner the considered types of network segments, comprised of wired (IP based core network) and wireless (DVB, WLAN, UMTS) segments. Apart from enforcing and proposing management policies the solution will also monitor and analyse performance and QoS levels as provid
Provisioning of end to end QoS in diverse environments: the ENTHRONE view.
Anastasios Kourtis and C Skianis and G Kormentzas and Georgios Xilouris and Daniel Negru and Ahmed Mehaoua and Toufik Ahmed and Eugen Borcoci and Hamid Asgari and Stefan Eccles and E LeDoeuff
Unknown Venue
Present and Future networks are highly diverse environments bringing together in a synergy different technologies such as IP, WLAN, DVB, UMTS. End-to-End delivery of services over heterogeneous environments with quality of service guarantees is a major challenge for research community with no apparent unified solution. In this paper, the perspective for End-to-End (E2E) QoS is outlined in the view of ENTHRONE (End-to-End QoS through Integrated Management of Content, Networks and Terminals) proje
A testbed environment for validation of end-to-end QoS provision for the content delivery chain over heterogeneous systems
Unknown
Unknown Venue
Conference 2004 2 citations
Digital Switchover: An alternative solution towards broadband access for all citizens.
Unknown
Unknown Venue
Conference 2004 1 citations
Mobility issues in a DVB-T environment.
Unknown
Unknown Venue
Conference 2003 5 citations
The New Interconnecting Television: An alternative approach to next generation broadband networking
Unknown
Unknown Venue
Conference 2003 0 citations
Dynamic Bandwidth M anagement in Regenerative Satellite Platforms
Unknown
Unknown Venue
Conference 2002 28 citations
Reverse path technologies in interactive DVB-T broadcasting
G Xilouris and G Gardikis and E Pallis and A Kourtis
Unknown Venue
The convergence of different networking infrastructures and the integration of fixed, mobile and broadcasting technologies is the new era in telecommunications. This paper describes the design, implementation and testing of a network architecture able to integrate DVB-T broadcasting technology for the downlink with GSM and LMDS access technologies for the uplink. It provides fast access to IP services and digital television to residential and mobile users and it will be used as a demonstration p
An interactive DVB-T platform with broadband LMDS uplink
G Gardikis and G Xilouris and E Pallis and A Kourtis
Unknown Venue
Contemporary DTV technologies introduce the concept of interactivity to traditional TV broadcast services, provided that a data return channel exists. This paper proposes a wireless access network which is a result of the convergence of wireless data network technologies and digital broadcasting. The proposed network, which is being implemented in the frame of the EU-funded MAMBO IST project, can offer digital television and fast Internet access to stationary users, utilizing DVB-T technology fo
The use of a DVB-T platform as an IP backbone for interconnection of LANs
Unknown
Unknown Venue
Conference 0 0 citations
5G High Mast Inspection Based TS
Unknown
Unknown Venue
Conference 0 0 citations
A distributed UAV analytics framework for DAO-based swarm systems
Unknown
Unknown Venue
Conference 0 0 citations
NFV-based scenarios for satellite–terrestrial integration
Unknown
Unknown Venue
Conference 0 0 citations
Cross-layer Monitoring in IPTV Networks
Unknown
Unknown Venue
Conference 0 0 citations
SHIELD: A Novel NFV-based Cybersecurity Framework
Unknown
Unknown Venue
Conference 0 0 citations
System Architecture and Deployment Scenarios for SESAME: Small cEllS coodinAtion for Multi-tenancy and Edge services
Unknown
Unknown Venue
Conference 0 0 citations
D5. 1 Continuous Integration and Testing Approach
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Unknown Venue
Conference 0 0 citations
TECHNICAL CO-SPONSORS
Unknown
Unknown Venue
Conference 0 0 citations
Real-time, Dynamic Resource Allocation in DVB-S. 2/RCS Networks
Unknown
Unknown Venue
Conference 0 0 citations
Network Functions-as-a-Service (NFaaS) over virtualised Network/IT infrastructures
Unknown
Unknown Venue
Conference 0 0 citations
April June 2013 Vol. 20, No. 2
Unknown
Unknown Venue
Conference 0 0 citations
Internet access via a hybrid DVB-T/GPRS network in the mobile urban environment
Unknown
Unknown Venue
Conference 0 0 citations
Multi-layer Resource Management in DVB-S. 2 Networks: The IMOSAN approach
Unknown
Unknown Venue
Conference 0 0 citations
Electronic News Gathering via a wireless broadband infrastructure
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Unknown Venue
Conference 0 0 citations
SWFAN'16: 2016 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS): SWFAN 16: International Workshop on Software-Driven Flexible and Agile Networking …
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Unknown Venue
Conference 0 0 citations
Session Paper Title Author list
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Conference 0 0 citations
Network Cost Services for Network-Aware FI Applications
Unknown
Unknown Venue
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