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The current Internet does not enable easy introduction and deployment of new network technologies and services. This paper aims to progress the Future Internet (FI) by introduction of a service composition and execution environment that re-use existing components of access and core networks. This paper presents essential service-centric platforms and software systems that have been developed with the aim to create a flexible environment for an Autonomic Internet.

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

G. Polyzos, G. Marias, S. Arkoulis, P. Frangoudis, M. Fiedler, A. Popescu, H. Meer, R. Herkenhoener, Andreas Fischer, J. Oberender

ASPECTS: Agile Spectrum Security

Proceedings of the 7th Euro-NF Conference on Next-Generation Internet (NGI 2011) [Kaiserslautern; June 27-29, 2011]

DOI: 10.1109/NGI.2011.5985872

Abstract anzeigen

The ASPECTS project considered an underlying dynamic spectrum access radio network, spectrum sensing technology and techniques, and spectrum sharing policies and rules and addressed vulnerabilities in all spectrum sharing phases, i.e. spectrum monitoring, negotiation, dissemination of access rules and sharing implementation. In the following sections, we describe our research objectives and our approach towards attaining them, present the main outcome of ASPECTS and conclude with a discussion on the relevance of our project to the Euro-NF vision towards the Future Internet.

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

W. Mandarawi, Andreas Fischer, H. Meer, E. Weishäupl

QoS-Aware Secure Live Migration of Virtual Machines

Proceedings of the 2nd Workshop on Security in Highly Connected IT Systems (SHCIS 2015)

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

W. Mandarawi, Andreas Fischer, A. Houyou, H.-P. Huth, H. Meer

Constraint-Based Virtualization of Industrial Networks

Principles of Performance and Reliability Modeling and Evaluation: Essays in Honor of Kishor Trivedi on his 70th Birthday, Cham

ISBN: 978-3-319-30597-4

DOI: 10.1007/978-3-319-30599-8_22

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

A. Galis, S. Clayman, L. Lefevre, Andreas Fischer, H. Meer, J. Rubio-Loyola, J. Serrat, S. Davy

Towards In-Network Clouds in Future Internet

The Future Internet

ISBN: 978-3-642-20897-3

DOI: 10.1007/978-3-642-20898-0_2

Abstract anzeigen

One of the key aspect fundamentally missing from the current Internet infrastructure is an advanced service networking platform and facilities, which take advantage of flexible sharing of available connectivity, computation, and storage resources. This paper aims to explore the architectural co-existence of new and legacy services and networks, via virtualisation of connectivity and computation resources and self-management capabilities, by fully integrating networking with cloud computing in order to create In-Network Clouds. It also presents the designs and experiments with a number of In-Network Clouds platforms, which have the aim to create a flexible environment for autonomic deployment and management of virtual networks and services as experimented with and validated on large-scale testbeds.

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

Andreas Fischer, R. Kühn, W. Mandarawi, H. Meer

Modeling Security Requirements for VNE algorithms

Proceedings of VALUETOOLS 2016/10th EAI International Conference on Performance Evaluation Methodologies and Tools (Taormina, Italy; October 25-28, 2016)

Abstract anzeigen

Public and private Infrastructure as a Service (IaaS) clouds are widely used by individuals and organizations to provision flexible virtual computing resources on demand. Virtual Network Embedding (VNE) algorithms are employed in this context to provide an automated resource assignment. With multiple involved parties security-aware Virtual Machine (VM) placement becomes highly relevant for production environments. Moreover, VNE algorithms should also consider the security requirements of the interconnections between VMs, thereby extending the problem to networks. This paper discusses security requirements of Virtual Networks (VNs) and shows how they can be modeled in VNE to map them to the provided security mechanisms in the physical network. The paper also presents an implementation of this security-aware VNE model in the public simulation platform ALEVIN, demonstrating the applicability with a realistic use case of such a model.

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

Andreas Fischer, T. Kittel, B. Kolosnjaji, T. Lengyel, W. Mandarawi, H. Reiser, B. Taubmann, E. Weishäupl, H. Meer, T. Müller, M. Protsenko

CloudIDEA: A Malware Defense Architecture for Cloud Data Centers

Proceedings of the 5th International Symposium on Cloud Computing, Trusted Computing and Secure Virtual Infrastructures (C&TC 2015) [Rhodes, Greece; October 26-28, 2015]

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

Andreas Fischer, A. Fessi, G. Carle, H. Meer

Wide-Area Virtual Machine Migration as Resilience Mechanism

Proceedings of the 1st International Workshop on Network Resilience: From Research to Practice (WNR 2011) [Madrid, Spain; October 4, 2011]

ISBN: 978-1-4577-1624-9

DOI: 10.1109/SRDSW.2011.16

Abstract anzeigen

The resilience of services in the Internet has become an important issue and is expected to become even more important in the future. Virtualization is one of the means which can be deployed for resilience purposes. In this paper we follow a systematic approach to the use of virtualization to increase the resilience of network services. First, we provide an analysis of the potential failures of services running within Virtual Machines (VM) and how VM migration or replication can be used to address these failures. Then, we address the problem of re-establishing connectivity between a service and its clients upon successful migration, by leveraging results from mobility research. A special focus is given to wide-area VM migration, since it is considered as the solution for some difficult failures, e.g., large-scale failures due to natural disasters.

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

Andreas Fischer, M. Beck, H. Meer

An Approach to Energy-efficient Virtual Network Embeddings

2013 IFIP/IEEE International Symposium on Integrated Network Management (IM 2013) [Ghent, Belgium; May 27-31, 2013]

ISBN: 978-1-4673-5229-1

Abstract anzeigen

Network Virtualization is recognized as a key technology for the Future Internet. Energy-efficiency is one of the main challenges in future networking environments. Most algorithms for mapping virtual resources to substrate resources however do not consider energy as a factor for the mapping. In order to evaluate the energy-efficiency of such a mapping, an energy model and appropriate energy-aware metrics are needed. This paper discusses how an algorithm can be modified to take energy-efficiency into account. The modified algorithm is then evaluated, showing that energy-efficiency can be increased with only a minor impact on embedding quality regarding other metrics.

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

M. Duelli, D. Schlosser, J. Botero, X. Hesselbach, Andreas Fischer, H. Meer

VNREAL: Virtual Network Resource Embedding Algorithms in the Framework ALEVIN

Proceedings of the 7th Euro-NF Conference on Next-Generation Internet (NGI 2011) [Kaiserslautern; June 27-29, 2011]

DOI: 10.1109/NGI.2011.5985874

Abstract anzeigen

Network virtualization is recognized as an enabling technology for the Future Internet that overcomes network ossification. However, it introduces a set of challenges. In any network virtualization environment, the problem of optimally mapping virtual resources to physical resources, known as virtual network embedding (VNE), is a critical challenge. Several algorithms attempting to solve this problem have been proposed in literature, so far. However, comparison of existing and new VNE algorithms is hard, as each algorithm focuses on different criteria. To that end, the VNREAL project introduces ALEVIN, a framework to compare different algorithms according to a set of metrics, easily incorporate new VNE algorithms, and evaluate these algorithms on a given scenario for arbitrary parameters.

Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

S. Davy, C. Fahy, L. Griffin, Z. Boudjemil, Andreas Berl, Andreas Fischer, H. Meer, J. Strassner

Towards a Policy-Based Autonomic Virtual Network to Support Differentiated Security Services

Proceedings of the International Conference on Telecommunications and Multimedia (TEMU 2008) [July 16-18, 2008; Ierapetra, Crete, Greece]

Digital Mobil Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

A. Cervero, M. Chincoli, L. Dittmann, Andreas Fischer, A. Garcia, J. Galan-Jimenez, L. Lefevre, H. Meer, T. Monteil, P. Monti, A.-C. Orgerie, L.-F. Pau, C. Phillips, S. Ricciardi, R. Sharrock, P. Stolf, T. Trinh, L. Valcarenghi

Green Wired Networks

Large-Scale Distributed Systems and Energy Efficiency: A Holistic View

ISBN: 978-1-118-86463-0

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

J. Botero, X. Hesselbach, M. Duelli, D. Schlosser, Andreas Fischer, H. Meer

Flexible VNE Algorithms Analysis using ALEVIN

Proceedings of the 11th Würzburg Workshop on IP: Joint ITG and Euro-NF Workshop "Visions of Future Generation Networks" (EuroView2011)

Abstract anzeigen

Network virtualization is recognized as an enabling technology for the Future Internet that overcomes network ossification. However, it introduces a set of challenges. In any network virtualization environment, the problem of optimally mapping virtual demands to physical resources, known as virtual network embedding (VNE), is a crucial challenge. This paper analyses the behaviour of the main algorithms proposed to solve VNE by means of the ALEVIN framework. The VNE algorithms are evaluated with regard to appropriate metrics such as: cost, revenue, and virtual network acceptance ratio. We also analyse the impact of the recently introduced hidden hop demand concept in the performance of the VNE algorithms.

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

M. Beck, Andreas Fischer, H. Meer, J. Botero, X. Hesselbach

A distributed, parallel, and generic virtual network embedding framework

IEEE International Conference on Communications (ICC 2013) [Budapest, Hungary; June 9-13, 2013]

DOI: 10.1109/ICC.2013.6655087

Digital Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

M. Beck, Andreas Fischer, F. Kokot, C. Linnhoff-Popien, H. Meer

A Simulation Framework for Virtual Network Embedding Algorithms

Proceedings of the 16th International Telecommunications Network Strategy and Planning Symposium (Networks 2014) [Funchal, Madeira Island, Portugal; September 17-19, 2014]

DOI: 10.1109/NETWKS.2014.6959238

Abstract anzeigen

Network virtualization is seen as an enabling technology for the Future Internet. In this context, many Virtual Network Embedding algorithms have been introduced in literature so far. This paper discusses an open source framework for the evaluation of such algorithms. The paper describes features provided by the framework, how to use the framework for evaluating these algorithms, and how to extend the software with respect to novel algorithms and simulation scenarios. Lessons learned are presented, describing how the software evolved towards a mature and highly extensible simulation framework.

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