Daphne Tuncer

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Student: Daphné TUNCER
e-mail: d.tuncer@ee.ucl.ac.uk
Affiliation: UCL
Title: Engineering Self-Managed Adaptive Networks
Supervisor: George Pavlou
Start: 2009
End: 2013
Funding: UCL/Flamingo


Daphné TUNCER is currently a Research Associate in the Communications and Information Systems Group (CISG) at the Department of Electronic and Electrical Engineering, University College London (UCL), UK. She obtained her Ph.D. in Electronic and Electrical Engineering from UCL in November 2013. Before joining UCL, she received a "Diplôme d’ingénieur de Télécom SudParis" (equivalent of a Master’s Degree in ICT Engineering) from Télécom SudParis, FRANCE, in 2009. Her research interests are in the areas of autonomic communication, network self-management and more generally in decentralized approaches to support adaptive network resource management.

PhD project description

In order to meet the requirements of emerging services, the future Internet will need to be flexible, reactive and adaptive with respect to arising network conditions. Network management functionality is essential in providing dynamic reactiveness and adaptability but current management approaches have limitations which prevent them from meeting these requirements.In search for a paradigm shift, recent research efforts have been focusing on autonomic/self-management principles, whereby network elements can adapt themselves to contextual changes without any external intervention through adaptive and flexible functionality.

This thesis investigates how autonomic principles can be extended and applied to fixed networks for quality of service and performance management. It presents a novel resource management framework which enables intelligence to be introduced within the network in order to support self-management functionality in a coordinated and controllable manner. The proposed framework relies on a distributed infrastructure, called the management substrate, which is a logical structure formed by the ingress nodes of the network. The role of the substrate is illustrated on realistic resource management application scenarios for the emerging self-managed Internet. These cover solutions for dynamic traffic engineering (load balancing across multiple paths), energy efficiency and cache management in Internet Service Providers.

The thesis addresses important research challenges associated with the proposed framework, such as the design of specific organisational, communication and coordination models required to support the different management control loops. Furthermore, it develops, for each application scenario, specific mechanisms to realise the relevant resource management functionality. It also considers issues related to the coexistence of multiple control loops and investigates an approach by which their interactions can be managed. In order to demonstrate the benefits of the proposed resource management solution, an extensive performance evaluation of the different mechanisms described in this thesis have been performed based on realistic traffic traces and network topologies.


  1. D. Tuncer, M. Charalambides, S. Clayman, G. Pavlou, "Adaptive Resource Management and Control in Software Defined Networks," to appear in the IEEE Transactions on Network and Service Management (TNSM), special issue on Efficient Management of SDN and NFV-based Systems, vol.12, no.1, pp.18-33, March 2015.
  2. M. Claeys, D. Tuncer, J. Famaey, M. Charalambides, S. Latre, G.Pavlou, F. De Turck, "Proactive Multi-tenant Cache Management for Virtualized ISP Networks", in the Proc. of 10th IFIP/IEEE International Conference on Network and Service Management (CNSM'14), Rio, Brazil, November 2014.
  3. M. Claeys, D. Tuncer, J. Famaey, M. Charalambides, S. Latre, F. De Turck, G. Pavlou, "Towards Multi-Tenant Cache Management for ISP Networks," in the Proc. of the European Conference on Networks and Communications (EUCNC), Bologna, Italy, June 2014.
  4. D. Tuncer, M. Charalambides, H. El-Ezhabi, G. Pavlou, "A Hybrid Management Substrate Structure for Adaptive Network Resource Management," in the Proc. of 6th IEEE/IFIP International Workshop on Management of the Future Internet (ManFI), Krakow, Poland, May 2014.
  5. D. Tuncer, M. Charalambides, R. Landa, G. Pavlou, "More Control Over Network Resources: An ISP Caching Perspective", in the Proc. of the 9th IFIP/IEEE International Conference on Network and Service Management (CNSM'13), Zurich, Switzerland, October 2013.
  6. M.Charalambides, D.Tuncer, L.Mamatas, G.Pavlou, "Energy-Aware Adaptive Network Resource Management", to appear in the Proc. of the IFIP/IEEE Integrated Management Symposium (IM'2013), Ghent, Belgium, May 2013.
  7. D.Tuncer, M.Charalambides, G.Pavlou, N.Wang, "DACoRM: A Coordinated, Decentralized and Adaptive Network Resource Management Scheme", in the Proc. of the IEEE/IFIP Network Operations and Management Symposium (NOMS'12), Maui, Hawaii, USA, April 2012.
  8. M.Charalambides, G.Pavlou, P.Flegkas, N.Wang, D.Tuncer, "Managing the Future Internet through Intelligent In-Network Substrates," IEEE Network, Special Issue: Managing an Autonomic Future Internet, Vol. 25, No. 6, Nov/Dec 2011.
  9. D.Tuncer, M.Charalambides, G.Pavlou, N.Wang, "Towards Decentralized and Adaptive Network Resource Management", in the Proc. of the 7th IEEE/IFIP International mini-Conference on Network and Service Management (CNSM'11), Paris, France, October 2011.
  10. Daphne Tuncer, Marinos Charalambides, and George Pavlou, "Towards dynamic and adaptive resource management for emerging networks", in the Proc. of 4th international conference on Autonomous infrastructure, management and security (AIMS'10), PhD Workshop, Burkhard Stiller and Filip De Turck (Eds.), Springer-Verlag, Berlin, Heidelberg, 93-97.

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