InformaApp - Publikationen

The existing electromobility (EM) is still in its fledgling stage and multiple challenges have to be overcome to make Electric Vehicles (EVs) as convenient as combustion engine vehicles. Users and Electric Vehicle Fleet Operators (EFOs) want their EVs to be charged and ready for use at all times. This straightforward goal, however, is counteracted from various sides: The range of the EV depends on the status and depletion of the EV battery which is influenced by EV use and charging characteristics. Also, most convenient charging from the user's point of view, might unfortunately lead to problems in the power grid. As in the case of a power peak in the evening when EV users return from work and simultaneously plug in their EVs for charging. Last but not least, the mass of EV batteries are an untapped potential to store electricity from intermittent renewable energy sources. In this paper, we propose a novel approach to tackle this multi-layered problem from different perspectives. Using on-board EV data and grid prediction models, we build up an information model as a foundation for a back end service containing EFO and Charging Station Provider (CSP) logic as well as a central Advanced Drivers Assistant System (ADAS). These components connect to both battery management and user interfaces suggesting various routing and driving behaviour alternatives customized and incentivized for the current user profile optimizing above mentioned goals.

Digital F: 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

2016

ISBN: 978-3-319-30597-4

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

Digital F: 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)

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 F: Elektrotechnik und Medientechnik

Patent

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

Device and method for allocating communication resources in a system employing network slicing

2016

Digital F: Elektrotechnik und Medientechnik

Zeitschriftenartikel

Andreas Fischer, H. Meer

Generating Virtual Network Embedding Problems with Guaranteed Solutions

IEEE Transactions on Network and Service Management, vol. 13, no. 3, pp. 1-14

2016

DOI: 10.1109/TNSM.2016.2596802

Abstract anzeigen

The efficiency of network virtualization depends on the appropriate assignment of resources. The underlying problem, called Virtual Network Embedding, has been much discussed in the literature, and many algorithms have been proposed, attempting to optimize the resource assignment in various respects. Evaluation of those algorithms requires a large number of randomly generated embedding scenarios. This paper presents a novel scenario generation approach and demonstrates how to produce scenarios with a guaranteed exact solution, thereby facilitating better evaluation of embedding algorithms.

Digital F: Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

B. Taubmann, H. Reiser, T. Kittel, Andreas Fischer, W. Mandarawi, H. Meer

CloudIDEA: Cloud Intrusion Detection, Evidence Preservation and Analysis

Proceedings of the Tenth European Conference on Computer Systems (EuroSys 2015) [Bordeaux, France; April 21-24, 2015]

2015

Digital F: 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)

2015

Digital F: 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]

2015

Digital Mobil F: 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

2015

ISBN: 978-1-118-86463-0

Digital F: Elektrotechnik und Medientechnik

Zeitschriftenartikel

M. Beck, Andreas Fischer, J. Botero, C. Linnhoff-Popien, H. Meer

Distributed and scalable embedding of virtual networks

Journal of Network and Computer Applications, vol. 56, no. October, pp. 124-136

2015

DOI: 10.1016/j.jnca.2015.06.012

Abstract anzeigen

Abstract Network virtualization is widely regarded as a key technology for the Future Internet, enabling the deployment of new network protocols without changing dissimilar hardware devices. This leads to the problem of mapping virtual demands to physical resources, known as Virtual Network Embedding (VNE). Current VNE algorithms do not scale with respect to the substrate network size. Therefore, these algorithms are not applicable in large-scale scenarios where virtual networks have to be embedded in a timely manner. This paper discusses DPVNE, a Distributed and Generic VNE framework: It runs cost-oriented centralized embedding algorithms in a distributed way, spreading workload across the substrate network instead of concentrating it on one single node (as centralized algorithms do). Several state-of-the-art algorithms were evaluated running inside the DPVNE framework. Results show that DPVNE leads to runtime improvements in large-scale scenarios and embedding results are kept comparable.

Digital F: 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]

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.

F: Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

J. Benze, Andreas Berl, K. Daniel, G. Eibl, D. Engel, Andreas Fischer, U. Hofmann, A. Kießling, S. Köpsell, L. Langer, H. Meer, C. Neureiter, M. Niedermeier, T. Pfeiffenberger, M. Pietsch, A. Veichtlbauer

VDE-Positionspapier Energieinformationsnetze und -systeme (Smart Grid Security)

VDE-Kongress 2014 Smart Cities (Intelligente Lösungen für das Leben in der Zukunft, Kongressbeiträge 20./21.10.2014, Frankfurt/Main, Messe), Berlin

2014

ISBN: 978-3-8007-3641-6

F: Elektrotechnik und Medientechnik

Zeitschriftenartikel

Andreas Berl, H. Meer

Intelligentes Stromnetz der Zukunft

Niederbayern-Forum e.V. - Das Who is Who der Niederbayerischen Energiewirtschaft, no. März, pp. 90-91

2014

Digital F: 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]

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 F: 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]

2013

DOI: 10.1109/ICC.2013.6655087

Digital F: Elektrotechnik und Medientechnik

Zeitschriftenartikel

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

Virtual Network Embedding: A Survey

IEEE Communications Surveys and Tutorials, vol. 15, no. 4, pp. 1888-1906

2013

DOI: 10.1109/SURV.2013.013013.00155

Abstract anzeigen

Network virtualization is recognized as an enabling technology for the future Internet. It aims to overcome the resistance of the current Internet to architectural change. Application of this technology relies on algorithms that can instantiate virtualized networks on a substrate infrastructure, optimizing the layout for service-relevant metrics. This class of algorithms is commonly known as “Virtual Network Embedding (VNE)” algorithms. This paper presents a survey of current research in the VNE area. Based upon a novel classification scheme for VNE algorithms a taxonomy of current approaches to the VNE problem is provided and opportunities for further research are discussed.

F: Elektrotechnik und Medientechnik

Beitrag (Sammelband oder Tagungsband)

Andreas Berl, G. Lovász, F. Tüllenburg, H. Meer

Modelling Power Adaption Flexibility of Data Centres for Demand-Response Management

Energy Efficiency in Large Scale Distributed Systems: COST IC0804 European Conference, EE-LSDS 2013, Vienna, Austria, April 22-24, 2013, Revised Selected Papers

2013

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