Anastasius Gavras

Anastasius Gavras
Eurescom | EuresCOM · Programme Management

Dipl. Ing.

About

77
Publications
17,024
Reads
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1,113
Citations
Additional affiliations
January 1999 - present
Eurescom - European Institute for Strategic Studies in Telecommunications
Position
  • Collaborative and commercial Projects
January 1994 - December 1998
Deutsche Telekom AG
Position
  • Commercial projects
January 1992 - December 1993
Gesellschaft für Mathematik und Datenverarbeitung mbH
Position
  • BERKOM
Education
October 1983 - September 1988
Technische Universität Berlin
Field of study
  • Electronics and Electrical Engineering

Publications

Publications (77)
Article
With the visions and high ambitions for the 5G ecosystem, mobile network operators (MNOs) and communication service providers (CSPs) embark on increased market complexity, with regard to volume and variety of users, customers, services, and partners. Digitalized, frictionless, and growth-enabling support system journeys become imperative. This arti...
Technical Report
Full-text available
This white paper on AI and ML as enablers of beyond 5G (B5G) networks is based on contributions from 5G PPP projects that research, implement and validate 5G and B5G network systems. The white paper introduces the main relevant mechanisms in Artificial Intelligence (AI) and Machine Learning (ML), currently investigated and exploited for 5G and B5G...
Technical Report
Full-text available
The four main 5G sites of 5G-VINNI in UK, Norway, Spain and Greece are now operational. As stated in the project proposal, the target of these 5G sites was to demonstrate 1). that these sites can be accessed and used by vertical industries to set up research trials of innovative use cases and 2). that the key 5G PPP network KPIs can be met. This wh...
Conference Paper
The new Fifth-Generation (5G) mobile networks entail next-generation network management solutions to manage both physical and virtual network infrastructures and services. The challenge is to effectively manage the increased complexity due to virtualization and softwarization, whilst attempting to reduce the operational costs for 5G operators. This...
Technical Report
Full-text available
5GinFIRE is a Research and Innovation Action project under the EU programme Horizon 2020 [1]. It offers an open and extensible 5G NFV-based ecosystem of experimental facilities for third parties, selected through open calls. 25+ successful experiments, focused on a wide set of heterogeneous topics, have been executed so far over the 5GinFIRE infras...
Conference Paper
5G aims to provide a wireless access network that supports the requirements of different vertical markets such as automotive and smart cities. 5G oriented services use the Internet of Things (IoT) and will use the network programmability by integrating Software-defined Networking (NFV) and Network Function Virtualization (NFV). This context present...
Article
Media use cases for emergency services require mission-critical levels of reliability for the delivery of media-rich services, such as video streaming. With the upcoming deployment of the fifth generation (5G) networks, a wide variety of applications and services with heterogeneous performance requirements are expected to be supported, and any migr...
Article
This paper presents the design and prototype implementation of the SELFNET fifth‐generation (5G) mobile edge infrastructure. In line with the current and emerging 5G architectural principles, visions, and standards, the proposed infrastructure is established primarily based on a mobile edge computing paradigm. It leverages cloud computing, software...
Article
In this paper we evaluate the feasibility of seamless and efficient integration of terrestrial communication systems with satellite networks. This aspect is considered by standardisation bodies such as ETSI [1], 5G-PPP [2] and 3GPP [3]. A comprehensive system is designed and implemented in an emulation prototype, including standard 3GPP LTE core ne...
Conference Paper
Full-text available
5G network technologies are evolving in a tremendous pace, enhancing the potential for being adopted and exploited by vertical industries and serve advance networking requirements needs. Towards this direction, a set of 5G PPP projects are providing contributions for tackling aspects related to the overall lifecycle of 5G vertical applications desi...
Conference Paper
Network slicing has emerged as a major new networking paradigm for meeting the diverse requirements of various vertical businesses in virtualised and softwarised 5G networks. SliceNet is a project of the EU 5G Infrastructure Public Private Partnership (5G PPP) and focuses on network slicing as a cornerstone technology in 5G networks, and addresses...
Chapter
Since the beginning of the current millennium two concepts have fuelled the prospects and expectations of science, engineering and business; namely the Internet of Things and Big Data. These concepts indeed pose a number of technological challenges, but even more they raise a number of business and societal questions. Early deployments are stimulat...
Conference Paper
Full-text available
In a global concerted effort, the networking community is defining 5G as the next generation networking infrastructure. New in the approach is the focus on the requirements of the vertical sectors. The salient characteristic of these sectors is that they are rapidly becoming open ecosystems built on top of common infrastructures. This requires a hi...
Article
The 5G infrastructure initiative in Europe¹ 5G Infrastructure Public Private Partnership, [Online]. Available here: https://5g-ppp.eu/ has agreed a number of challenging key performance indicators (KPIs) to significantly enhance the user experience and support a number of use cases with very demanding requirements on the network infrastructure. At...
Conference Paper
Smart City services are becoming more prevalent. These services have the potential to improve the quality of life of citizens (e.g. detecting and managing pollution) and also to make better use of resources (i.e. water and energy). The European and South African contexts vary significantly thus necessitating either different services r significant...
Article
To meet the challenging key performance indicators of the fifth generation (5G) system, the network infrastructure becomes more heterogeneous and complex. This will bring a high pressure on the reduction of OPEX and the improvement of the user experience. Hence, shifting today’s manual and semi-automatic network management into an autonomic and...
Conference Paper
Cities increasingly face challenges related to pollution, efficient use of resources (e.g. water, energy) and ensuring a good quality of life for its citizens. Solutions built on existing and emerging technologies such as Cloud computing, Internet of Things, Machine-to-Machine and data analytics can improve on or create services able to address the...
Conference Paper
This paper presents high level design concepts for the control plane (C-plane) of the upcoming 5G networks, in the framework of Fixed-Mobile Convergence (FMC). This control plane is enabled by SDN and NFV technologies in order to offer a very flexible environment able to optimally deploy network infrastructure(s) that will cope with multiple servic...
Book
Healthcare and well-being have captured the attention of established software companies, start-ups, and investors. Software is starting to play a central role for addressing the problems of the aging society and the escalating cost of healthcare services. Enablers of such digital health are a growing number of sensors for sensing the human body and...
Conference Paper
Smart Cities are considered recently as a promising solution for providing efficient services to citizens with the use of Information and Communication Technologies. With the latest advances on the Internet of Things, a new era has emerged in the Smart City domain, opening new opportunities for the development of efficient and low-cost applications...
Conference Paper
Full-text available
Recent Internet of Things (IoT) research has been aiming at interoperability of devices and the integration of sensor networks. The Future Internet – Private Public Partnership (FI-PPP) has created a whole array of different purpose-oriented modules with defined specifications, better known as Generic Enablers. This article gives an overview of leg...
Conference Paper
Full-text available
Internet systems are currently too complex to be entirely designed in advance and therefore must be thoroughly evaluated in realistic environments. Experimentally driven research is at the heart of Future Internet Research and Experiment (FIRE) facilities, which target various experimenter profiles, ranging from core Internet communities and sensor...
Book
Full-text available
The Internet constitutes the most vital scientific, technical, economic and societal set of infrastructures in existence and in operation today, serving 2.5 billion users. Continuing its development will secure future innovation and prosperity and underpin the sustainable economic growth needed in the future. Future Internet infrastructure research...
Conference Paper
Health care providers have over years continuously rejected Public Cloud technology for understandable concerns regarding privacy and confidentiality. The pick up rate on cloud computing in health care has been very poor reminding at the typical hype curve profile. Coincidentally Google Health has been discontinued and Microsoft Health Vault has sw...
Book
Full-text available
The book is available on-line @ http://link.springer.com/book/10.1007%2F978-3-642-38082-2
Conference Paper
The current and future communication infrastructure is based on Internet technologies. The Internet Protocol was developed more than thirty years ago and has been continuously extended by new functions, whenever a challenge appeared. Currently, software defined approaches are being used to deploy increasingly flexible Internet-oriented networks. Al...
Chapter
Full-text available
Federated testbeds for future Internet experimentation have been de-ployed worldwide to enable large scale and diverse experiments with future In-ternet technologies ranging from components to complete systems. They serve the purpose of validating new solutions to identified problems and to compare them with current or other evolving solutions. The...
Article
Full-text available
Preface The Internet constitutes the most vital scientific, technical, economic and societal set of infrastructures in existence and in operation today, serving 2.5 billion users. Continuing its development will secure future innovation and prosperity and underpin the sustainable economic growth needed in the future. Future Internet infrastructure...
Book
Full-text available
http://link.springer.com/book/10.1007/978-3-642-30241-1/page/1
Conference Paper
The demonstration provides an insight into a sub-set of available testbeds and management tools available in the OpenLab project. These are available for experimentation by researchers that are seeking experimental environments for trying out their innovative Future Internet related algorithms, protocols, services or applications.
Conference Paper
Cloud computing re-defined what, in ICT, can be delivered “as a service”. The new types of services increase the potential of some Service-Oriented Architecture concepts, e.g. dynamic discovery and composition of services. We envision a dynamic cloud-enabled service ecosystem in which different business actors cooperate in delivering scalable high-...
Article
Networks, services, and business models need to be piloted in a large-scale environment that mimics as far as possible the Internet and its future version, although we certainly do not know what this will look like. In this highly demanding and dynamic context, new frameworks and (meta-) architectures for supporting experimentation are proposed, ai...
Article
Large future internet research programs such as GENI, FIND, and FIRE are under way that will have a global impact on the current and future internet. Experimental facilities and testbeds are needed to support both revolutionary and evolutionary approaches for re-thinking and improving the internet architecture. The resource federation framework pro...
Conference Paper
Projects of the Future Internet Research & Experimentation (FIRE)initiative are building an experimental facility that shall serve the needs of Future Internet research and development. The main design principles are virtualization of resources and federation. Federation is a means to meet requirements from Future Internet research that cannot be m...
Book
Full-text available
"The way the book is structured and enhanced makes it an ideal reference book for managers, academics, researchers and system designers in the communications field." - Harry Skianis, Computing Reviews (about the 2009 edition of Towards the Future Internet) This peer-reviewed book contains papers describing the major scientific achievements supporte...
Article
Full-text available
This white paper attempts to scope the area of experimentally driven research by proposing a methodology and related terminology that should help research in the ICT domain to understand how this methodology can be applied. This white paper is intended as the first step in a controversial debate that should take place in the community of FIRE proje...
Conference Paper
Full-text available
Pan-European laboratory (Panlab) is based on a federation of distributed interconnected testbeds, providing access to platforms, networks and services for testing. Core components of Panlab is a tool called ¿Teagle¿ which provides the means for a customer to express the testing needs and the Panlab testbed manager (PTM) which implements the inter...
Conference Paper
The Pan-European laboratory - Panlab - is based on federation of distributed testbeds that are interconnected, providing access to required platforms, networks and services for broad interoperability testing and enabling the trial and evaluation of service concepts, technologies, system solutions and business models. In this context a testbed feder...
Article
"The way the book is structured and enhanced makes it an ideal reference book for managers, academics, researchers and system designers in the communications field." - Harry Skianis, Computing Reviews (about the 2009 edition of Towards the Future Internet) This peer-reviewed book contains papers describing the major scientific achievements supporte...
Article
Full-text available
The Pan-European laboratory – Panlab – is based on federation of distributed testbeds that are interconnected, providing access to required platforms, networks and services for broad interoperability testing and enabling the trial and evaluation of service concepts, technologies, system solutions and business models. In this context a testbed feder...
Conference Paper
Full-text available
As the problem of energy generation and use becomes apparent, technologies for optimal energy management and rational use gain importance. The present work illustrates an architecture that focuses on energy saving at households, a sector accounting for the 42% of global energy consumption in the European Union. The main part of the architecture is...
Article
Full-text available
The research community worldwide has increasingly drawn its attention to the weaknesses of the current Internet. Many proposals are addressing the perceived problems, ranging from new enhanced protocols to fix specific problems up to the most radical proposal to redesign and deploy a fully new Internet. Most of the problems in the current Internet...
Conference Paper
Full-text available
The Pan-European Laboratory (Panlab) is a concept that is being introduced to enable the trial and evaluation of service concepts, technologies, system solutions and business models to the point where the risks associated with launching of these as commercial products will be minimized. The accomplishment of this objective, which should encompass m...
Conference Paper
Full-text available
This paper proposes a development methodology for distributed applications based on the principles and concepts of the Model-Driven Architecture (MDA). The paper identifies phases and activities of an MDA- based development trajectory, and defines the roles and products of each activity in accordance with the Software Process Engineering Metamodel...
Article
Full-text available
This paper proposes a development methodology for distributed applications based on the principles and concepts of the Model-Driven Architecture (MDA). The paper identifies phases and activities of an MDA-based development trajectory, and defines the roles and products of each activity in accordance with the Software Process Engineering Metamodel (...
Conference Paper
The BERKOM multimedia transport service provides a communication platform for audiovisual communication. It incorporates a modified version of the Xpress Transfer Protocol (XTP-Lite) and the Internet Stream protocol Version II (ST-II). For the utilisation of ATM networks a variety of issues have to be resolved. One of them is the translation and ma...
Conference Paper
This work introduces a new Quality of Service model, called the simplified QoS model, which covers a broad spectrum of application requirements. All parameter values are negotiated with a triangular or bilateral negotiation for information exchange (i.e. only one value). The simplified QoS model introduces the adaptive and the best-effort semantics...
Conference Paper
With the development of an affordable technology for broadband networks, it becomes interesting to connect terminals directly to these networks, instead of using the broadband network only as backbone. Due to the high bandwidth of future networks, new network access architectures have to be considered. The authors give an idea concerning a strategy...
Conference Paper
Bergate, a pilot project of the Berkom program that supports the development and demonstration of new services and applications in a broadband ISDN (BISDN) environment, is discussed. The fiber-optics-based Berkom test network for BISDN and the different user interfaces to that network are described, and some network-oriented protocol aspects are ex...
Article
Full-text available
This document describes a generic approach on how to federate networking domains. Network federation is a model for the establishment of a large-scale and diverse infrastructure for communication technologies, services and applications. A federation of network environments can generally be seen as an interconnection of two or more independent netwo...
Article
Following the recommendation of the project technical reviewers, Mr. Rick Reed and Mr. Svein Hallsteinsen, to deliver a more prescriptive methodology as guidance to a development team that faces Model Drivel Architecture this document is a distillation of the information available in deliverables D3.1 and D3.2 of the MODA-TEL project. The informati...