Overview

• Publications
• Internal Reports
• Doctoral and Postdoctoral Qualifications
• Student Works
• Other Works

• Klein, Sigfried; Uygungelen, Serkan; Mueller, Christian M.: A novel sampling method for the spatial frequencies of sinusoid-based shadowing models. In: Proceedings of the 71st IEEE Vehicular Technology Conference Spring 2010 (VTC2010-Spring).
• Proebster, Magnus; Mueller, Christian M.; Bakker, Hajo: Adaptive Fairness Control for a Proportional Fair LTE Scheduler. In: IEEE (ed.): Proceedings of the 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2010).

• Abdelrazek, A.F.; Kaschub, Matthias; Blankenhorn, Christian; Necker, Marc: A Novel Architecture using NVIDIA CUDA to speed up Simulation of Multi-Path Fast Fading Channels. In: Proceedings of the 69th IEEE Vehicular Technology Conference (VTC 2009).
• Kögel, J.; Wahl, S.; Scharf, M.; Necker, M.C.: Load Sharing in a Distributed IMS Architecture. In: Proceedings of the 69th IEEE Vehicular Technology Conference (VTC 2009).
• Müller, C.M.; Eckhardt, H.; Sigle, R.: Realization aspects of Multi-Radio Management based on IEEE 802.21. In: Proceedings of the 7th International Conference on Wired / Wireless Internet Communications (WWIC), 2009.
• Müller, C.M.; Ewe, L.; Sigle, R.: Signaling Analysis for Multi-Radio Management. In: Proceedings of the IEEE Wireless Communications and Networking Conference 2009 (WCNC 2009).
• Necker, M.C.: Scheduling Constraints and Interference Graph Properties for Graph-based Interference Coordination in Cellular OFDMA Networks. In: Mobile Networks and Applications, Springer-Verlag, 2009.
• Proebster, M.; Scharf, M.; Hauger, S.: Performance Comparison of Router Assisted Congestion Control Protocols: XCP vs. RCP. In: Proceedings of the 2nd International Workshop on the Evaluation of Quality of Service through Simulation in the Future Internet - Held in conjunction with SIMUTools 2009.
• Scharf, M.; Eissele, M.; Müller, C.M.; Ertl, T.: Speeding up the 3D Web: A Case for Fast Startup Congestion Control. In: Proceedings of the International Workshop on Protocols for Future, Large-Scale and Diverse Network Transports 2009 (PFLDNeT 2009).
• Scharf, M.: Work in Progress: Performance Evaluation of Fast Startup Congestion Control Schemes. In: Proceedings of the 8th IFIP-TC6 Networking Conference (Networking 2009), Lecture Notes in Computer Science (LNCS) 5550.

• Hauger, Simon; Scharf, Michael; Kögel, Jochen; Suriyajan, Chawapong: Quick-Start and XCP on a Network Processor: Implementation Issues and Performance Evaluation. In: Proc. IEEE HPSR 2008.
• Müller, C.M.; Kaschub, M.; Blankenhorn, C.; Wanke, S.: A Cell Outage Detection Algorithm Using Neighbor Cell List Reports. In: Proceedings of the 3rd International Workshop on Self-Organizing Systems (IWSOS) 2008, Lecture Notes in Computer Science (LNCS).
• Mueller, Christian M.; Kaschub, Matthias; Blankenhorn, Christian; Wanke, Stephan: Design and evaluation of detection algorithms for base stations outages. In: Proceedings of the 11th COST 290 Management Committee Meeting, Tampere, Finland, 2008.
• Necker, M.C.; Köhn, M.; Reifert, A.; Scharf, J.: Optimized Frame Packing for OFDMA Systems. In: Proceedings of the 67th IEEE Vehicular Technology Conference (VTC2008 - Spring).
• Necker, M.C.: Interference Coordination in Cellular OFDMA Networks. In: IEEE Network. Vol. 22(6), IEEE, 2008.
• Necker, M.C.: A Graph-Based Scheme for Distributed Interference Coordination in Cellular OFDMA Networks. In: Proceedings of the 67th IEEE Vehicular Technology Conference (VTC2008 - Spring).
• Orlov, Zigmund: Network-driven Adaptive Video Streaming in Wireless Environments. In: Proceedings of the 19th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2008).
• Scharf, Michael; Hauger, Simon; Kögel, Jochen: Quick-Start TCP: From Theory to Practice. In: Proc. PFLDnet 2008.
• Scharf, Michael; Strotbek, Haiko: Performance Evaluation of Quick-Start TCP with a Linux Kernel Implementation. In: Proc. IFIP Networking 2008.
• Scharf, Michael: Future Internet Transport Layer - A Look into the Crystall Ball. In: Proc. COST 291 Meeting, 2008.

• Gloss, Bernd: System Architecture of a Mobile Message Transport System. In: International Journal of Internet Protocol Technology (IJIPT) 2007. Vol. 2(2), Universität Trier.
• Kiesel, Sebastian; Scharf, Michael: Modeling and Performance Evaluation of Transport Protocols for Firewall Control. In: Computer Networks, Volume 51, Issue 11, 2007.
• Lück, Stephan; Mueller, Christian M.; Scharf, Michael; Fetscher, Robert: Algorithms for hotspot coverage estimation based on field strength measurements. In: Proceedings of the 65th IEEE Vehicular Technology Conference: VTC 2007 Spring; Dublin, Ireland, April 22-24, 2007.
• Mueller, Christian M.; Blume, Oliver: Network-based Mobility with Proxy Mobile IPv6. In: Proceedings of the 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2007).
• Mueller, Christian M.: IEEE 802.21 and its usage as an access network discovery database. In: In: ITG 5.2.4, Workshop "Netzdatenbanken", Berlin, Mai 2007.
• Necker, M.C.: Integrated Scheduling and Interference Coordination in Cellular OFDMA Networks. In: Proceedings of the 4th International Conference on Broadband Communications,Networks and Systems, IEEE BROADNETS 2007.
• Necker, M.C.: Coordinated Fractional Frequency Reuse. In: Proceedings of the 10th ACM/IEEE International Symposium on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM 2007).
• Orlov, Zigmund; Necker, M.C.: Enhancement of Video Streaming QoS with Active Buffer Management in Wireless Environments. In: Proceedings of the 13th European Wireless 2007 (EW 2007).
• Scharf, M.: Quick-Start TCP: Performance Evaluation and Open Issues, COST 290 TD(07)013. In: Proceedings of the 8th COST 290 Management Committee Meeting, 2007.
• Scharf, Michael; Zeeh, Christina: Experience with Simulating Real TCP/IP-Protocol Stacks. In: ITG Fachgruppe 5.2.1 Workshop "Network Engineering", 2007.
• Scharf, Michael: Future Internet Transport Layer - Heading towards a Post-TCP Era?. In: Future Internet Design Workshop, European Conference on Optical Communications (ECOC), 2007.
• Scharf, Michael: Performance Analysis of the Quick-Start TCP Extension. In: Proc. IEEE Broadnets, Raleigh, NC, USA, 2007.
• Wanke, Stephan; Scharf, Michael; Kiesel, Sebastian; Wahl, Stefan: Measurement of the SIP Parsing Performance in the SIP Express Router. In: Proc. EUNICE 2007, LNCS 4606.

• Feller, Frank; Necker, M. C.: Comparison of Opportunistic Scheduling Algorithms for HSDPA Networks. In: Proceedings of the 12th Open European Summer School and IFIP WG 6.3, WG 6.4, WG 6.6 and WG 6.9 Workshop (EUNICE 2006).
• Gauger, C.M.; Gloss, B.; Hauser, C.; Jähnert, J.; Kiesel, S.; Köhn, M.: To Session or not to Session - Design Issues for the Future Internet. In: Proceedings of the 6th Würzburg Workshop on IP: Joint EuroNGI and ITG Workshop on 'Visions of Future Generation Networks' (EuroView2006).
• Gloss, Bernd; Scharf, Michael; Neubauer, Daniel: Location-Dependent Parameterization of a Random Direction Mobility Model. In: IEEE (ed.): Proceedings of the 63rd IEEE Vehicular Technology Conference (VTC 2006-Spring), Melbourne, 2006.
• Gloss, Bernd: Mobilitätsmodellbasierte Ressourcenmodellierung für Heterogenen Umgebungen. In: ITG FG 5.2.1+FG 5.2.4, Workshop "Mobilitätsmodelle und (vertical) Handover", München, März 2006.
• Gloss, Bernd: Modeling Resource Fluctuations for Adaptive Communications in Mobile Environments. In: 17th ITC Specialist Seminar, Melbourne, Australia, May 2006.
• Gloss, Bernd: System Architecture of a Mobile Message Transport System. In: International Journal of Internet Protocol Technology (IJIPT), 2006.
• Kiesel, Sebastian; Scharf, Michael: Modeling and Performance Evaluation of SCTP as Transport Protocol for Firewall Control. In: Boavida, Fernando (ed.); Plagemann, Thomas (ed.); Stiller, Burkhard (ed.); Westphal, Cedric (ed.); Monteiro, Edmundo (ed.): Proceedings Networking 2006. Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications Systems: 5th International IFIP-TC6 Networking Conference, Coimbra, Portugal, May 15-19, 2006.
• Lück, Stephan: Acquisition, Storage, and Provision of Access Network Information with Nexus. In: 1st Akogrimo Public Workshop, Stuttgart, 2006.
• Necker, M.C.; Gauger, C.M.; Kiesel, S.; Reiser, U.: IKREmuLib: A Library for Seamless Integration of Simulation and Emulation. In: Proceedings of the 13th GI/ITG Conference on Measurement, Modeling, and Evaluation of Computer and Communication Systems (MMB 2006).
• Necker, M.C.; Weber, A.: Protocol Interference between Up- and Downlink Channels in HSDPA. In: Proceedings of the 17th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2006).
• Necker, M.C.: A comparison of scheduling mechanisms for service class differentiation in HSDPA networks. In: AEÜ International Journal of Electronics and Communications. Vol. 60(2), Elsevier, 2006.
• Necker, M.C.: Towards Frequency Reuse 1 Cellular FDM/TDM Systems. In: roceedings of the 9th ACM/IEEE International Symposium on Modeling,Analysis and Simulation of Wireless and Mobile Systems (MSWiM 2006).
• Rothermel, Kurt; Ertl, Thomas; Dieter, Fritsch; Kühn, Paul J.; Mitschang, Bernhard; Westkämper, Engelbert; Becker, Christian; Dudkowski, Dominique; Gutscher, Andreas; Hauser, Christian; Jendoubi, Lamine; Nicklas, Daniela; Volz, Steffen; Wieland, Matthias: SFB 627 – Umgebungsmodelle für mobile kontextbezogene Systeme. In: Informatik - Forschung und Entwicklung. Vol. 21(1-2), 2006, Springer-Verlag.
• Scharf, Michael; Kiesel, Sebastian: Head-of-Line Blocking in TCP and SCTP: Analysis and Measurements. In: Proc. IEEE Globecom, San Francisco, CA, USA, 2006.

• Gloss, B.; Scharf, M.; Neubauer, D.: A More Realistic Random Direction Mobility Model, COST 290 TD(05)052. In: Proceedings of the 4th COST 290 Management Committee Meeting; Würzburg, Germany, Oct. 13-14, 2005.
• Gloss, Bernd: System Architecture of a Mobile Message Transport System. In: Colmenarejo (ed.): Proceedings of the 11th Open European Summer School and IFIP WG 6.6, WG 6.4, WG 6.9 Workshop (EUNICE 2005).
• Kiesel, Sebastian; Scharf, Michael: Evaluation of SCTP as Transport Layer Protocol for Firewall Control. In: Workshop "Neue Herausforderungen in der Netzsicherheit", Universität Duisburg-Essen, 2005.
• Kühn, Paul J.: Entwicklungen zum Next Generation Network (NGN). In: Fachzeitschrift Praxis der Informationsverarbeitung und Kommunikation. Bd. 28(1), Munich: K.G. Saur Verlag GmbH, 2005.
• Lück, Stephan; Scharf, Michael; Jorge, Gil: An Architecture for Acquisition and Provision of Hotspot Coverage Information. In: Proceedings of the 11th European Wireless 2005 (EW 2005), Nicosia, Cyprus.
• Lück, Stephan: Eine Architektur zur Erfassung und Bereitstellung von Netzabdeckungen von Hotspots. In: Beiträge zum Workshop der VDE/ITG-Fachgruppe 5.2.4 Mobilität in IP-basierten Netzen, Aaachen, September 2005.
• Necker, Marc C.; Scharf, Michael; Weber, Andreas: Performance of TCP and HTTP Proxies in UMTS Networks. In: Proceedings of the 11th European Wireless 2005 (EW 2005), Nicosia, Cyprus.
• Scharf, Michael: On the Response Time of Large-scale Composite Web Services. In: Proceedings of the 19th International Teletraffic Congress (ITC 19), Beijing, 2005.
• Scharf, Michael: Skalierbarkeit einer Plattform für föderierte ortsbezogene Dienste. In: Beiträge zum Workshop der VDE/ITG-Fachgruppe 5.2.4 "Location awareness in communications: Technologies, applications and security aspects", 2005.

• Kühn, Paul J.: Location-Based Services in Mobile Communication Infrastructures. In: International Journal of Electronics and Communications (AEÜ). Vol. 58(3), 2004, Elsevier.
• Lück, Stephan; Gutscher, Andreas: Improving Access Discovery by Analysing World-Model Information. In: 1. GI/ITG KuVS Fachgespräch Örtsbezogene Anwendungen und Dienste", 2004.
• Mutter, Arthur; Necker, Marc C.; Lück, Stephan: IP-Packet Service Time Distributions in UMTS Radio Access Networks. In: Proceedings of the 10th Open European Summer School and IFIP WG 6.3 Workshop (EUNICE 2004).
• Necker, Marc C.; Scharf, Michael; Weber, Andreas: Performance of Different Proxy Concepts in UMTS Networks. In: Proceedings of Dagstuhl Workshop Mobility and Wireless in Euro-NGI, Dagstuhl, 2004.
• Scharf, Michael; Necker, Marc; Gloss, Bernd: The Sensitivity of TCP to Sudden Delay Variations in Mobile Networks. In: Mitrou, Nikolas (ed.); Kontovasilis, Kimon (ed.); Rouskas, George N. (ed.); Iliadis, Ilias (ed.); Merakos, Lazaros (ed.): Proceedings of Third International IFIP-TC6 Networking Conference, Athens, 2004.
• Scharf, Michael: The Impact of Delay Variations on TCP Performance. In: ITG Fachgruppe 5.2.1 Workshop, 2004.
• Scharf, Michael: The Impact of Delay Variations on TCP Performance. In: Proceedings of the 2nd Workshop on Modeling and Optimization in Mobile, Ad hoc and Wireless Networks (WiOpt'04), 2004.

• Kühn, Paul J.: Location Based Services in Mobile Communication Infrastructures. In: Australian Telecommunications Networks and Applications Conference, 2003.
• Rothermel, Kurt; Fritsch, Dieter; Mitschang, Bernhard; Kühn, Paul J.; Bauer, Martin; Becker, Christian; Hauser, Christian; Nicklas, Daniela; Volz, Steffen: SFB 627: Umgebungsmodelle für mobile kontextbezogene Systeme. In: Proceedings Informatik 2003.

• Gloss, Bernd; Kühn, Paul J.: Modellierung und Entwurf von Kommunikations-Infrastrukturen für orts- und kontextabhängige Dienste. In: Tagungsmappe zum DFG-Workshop Modelle, Werkzeuge und Infrastrukturen zur Unterstützung von Entwicklungsprozessen, 2002.
• Gloss, Bernd: Ortsbewusste Anwendungen mit Nexus. In: Vorträge der ITG-Fachtagung Neue Kommunikationsanwendungen in modernen Netzen, 2002.

• Gloss, Bernd; Hauser, Christian: The IP Micro Mobility Approach. In: Sixth EUNICE Open European Summer School (Innovative Internet Applications), 2000.
• Kühn, Paul J.: Evolution of networks and services towards a ubiquitous virtual environment. In: Proceedings of the International Seminar on Teletraffic and Networks (ISTN 2000).

• Barisch, Marc; Berg, Sabrina; Brodt, Andreas; Geiger, Lars; Gerpott, Torsten; Gutscher, Andreas; Hubig, Christoph; Kühlewind, Mirja; Kühn, Paul J.; Siemoneit, Oliver: Aspekte der Abrechenbarkeit und Bepreisung kontextbezogener Systeme, External SFB 627 Report, , 2010.

• Scharf, M.; Floyd, S.; Sarolahti, P.: TCP Flow Control for Fast Startup Schemes: draft-scharf-tcpm-flow-control-quick-start-00.txt (Submitted as Internet-Draft to the Internet Engineering Task Force (IETF)), External Technical Report, 2008.
• Welzl, M.; Papadimitriou, D.; Scharf, M.; Briscoe, B.: Open Research Issues in Internet Congestion Control: draft-irtf-iccrg-welzl-congestion-control-open-research-01.txt (Submitted as Internet-Draft to the Internet Research Task Force (IRTF), 2008), External Technical Report, 2008.

• Scharf, M.; Floyd, S.; Sarolahti, P.: Avoiding Interactions of Quick-Start TCP and Flow Control: draft-scharf-tsvwg-quick-start-flow-control-01.txt (Submitted as Internet-Draft to the Internet Engineering Task Force (IETF)), External Technical Report, 2007.
• Scharf, M.; Floyd, S.; Sarolathi, P.: Avoiding Interactions of Quick-Start TCP and Flow Control: draft-scharf-tsvwg-quick-start-flow-control-01.txt (Submitted as Internet-Draft to the Internet Engineering Task Force (IETF)), External Technical Report, 2007.

• Arbter, Bruno; Bitzer, Florian; Bürklen, Susanne; Dudkowski, Dominique; Scharf, Michael: Approaches for Modelling Moblity in Nexus, SFB 627 Report, 2006.
• Gloss, B.: Non-Stationarity of Walker Movability in Random Walk Mobility Models, External Technical Report, 2006.
• Kiesel, S.; Scharf, M.; Beutel, S.; Ruschival, T.: Performance Measurement of SIMCO over TCP and SCTP, External Technical Report, 2006.
• Scharf, Michael; Arbter, Bruno; Dürr, Frank; Schwarz, Thomas; Simoneit, Oliver: Performance Aspects of Large-scale Location- based Services, External SFB 627 Report, , 2006.

• Käppeler, Uwe-Philipp; Drosdol, Tobias; Schwarz, Thomas; Scharf, Michael: SensorContextServer und SensorClient in der Nexus-Plattform, SFB 627 Report, 2005.
• Lück, Stephan; Bürklen, Susanne; Dürr, Frank; Großmann, Matthias; Scharf, Michael: Ein Schema zur Beschreibung von Zugangsnetzen für das Nexus-Umgebungsmodell, External SFB 627 Report, , 2005.

• Scharf, M.: Fast Startup Internet Congestion Control Mechanisms for Broadband Interactive Applications (eingereichte Dissertation), External Doctoral Thesis, , 2010.

• Necker, M.C.: A Novel Algorithm for Distributed Dynamic Interference Coordination in Cellular OFDMA Networks - Communication Networks and Computer Engineering Report No. 101, Doctoral Thesis, 2009.

• Färber, J.: Modellierung von IP-basiertem Paketverkehr ausgewählter interaktiver Dienste - Communication Networks and Computer Engineering Report No. 97, External Doctoral Thesis, , 2007.

• Abdelrazek, Ahmed Fathy Mohammed: Parallele Implementierung von Fast-Fading-Algorithmen mit Hilfe der NVIDIA-CUDA-Architektur, External Diploma Thesis, 2008.
• Jones, M.: Effiziente parallele Implementierung eines Fast-Fading-Algorithmus auf einem heterogenen Multiprozessor, External Diploma Thesis, 2008.
• Proebster, M.: Leistungsuntersuchung von Verfahren zur Überlastregelung mit expliziter Router-Signalisierung, External Diploma Thesis, 2008.
• Wanke, S.: Entwicklung und Bewertung von Algorithmen zur Kompensation von Basisstationsausfällen in Mobilfunksystemen der nächsten Generation, External Diploma Thesis, 2008.

• Adjibadji, B.: Untersuchung und Anwendung von Verfahren zur Bandbreitenschätzung in Mobilkommunikationssystemen, External Student Thesis, 2007.
• Dewantoro, R.: Bewertung der Leistungsfähigkeit von Mobile IPv6 und Proxy Mobile IPv6 basierter Mobilitätsunterstützung, External Diploma Thesis, 2007.
• Janoir, M.: Entwurf und Bewertung eines einfachen Modells für WWW-Verkehr, External Student Thesis, 2007.
• Strotbek, H.: Entwurf und Implementierung einer TCP-Erweiterung im Linux-Kernel, External Diploma Thesis, 2007.

• Chen, Y.: Untersuchung von Verfahren zur adaptiven Übertragung von XML-Dokumenten in Mobilkommunikationssystemen, External Diploma Thesis, 2006.
• Fetscher, R.: Bewertung von Verfahren zur Berechnung von Zellabdeckungen aus Signalstärkemesswerten, External Diploma Thesis, 2006.
• Gloss, Bernd: Non-Stationarity of Walker Movability in Random Walk Mobility Models, External Diploma Thesis, 2006.
• Zeeh, C.: Integration des Linux-TCP/IP-Protokollstapels in eine ereignisgesteuerte Simulationsumgebung, External Diploma Thesis, 2006.

• Fritz, O.: Design of an Intelligent Middleware for Mobile Wireless Data Communication between Vehicles and Infrastructure, External Diploma Thesis, 2001.

• Blankenhorn, C.; Necker, M.C.; Müller, C.M.: Improving Reliable Multicast Streaming in IEEE 802.11 Wireless Networks. In: COST 2100 TD(09)826, 8th COST 2100 Management Committee Meeting, Valencia, Spain, 2009, -.
• Kögel, J.: Including the Network View in Application Response Time Diagnostics using Netflow. In: 2009 USENIX Annual Technical Conference, San Diego, June 2009, San Diego, -.
• Müller, C.M.; Eckhardt, H.; Sigle, R.: EEE 802.21 and its usage as an access network discovery database. In: Contribution to the 23rd ITG 5.2.4 Workshop "Netzdatenbanken", Berlin, Germany, -, 2009.
• Proebster, M.; Müller, C.M.: Proportional Fair LTE scheduling with adaptive parameterization. In: COST 2100 TD(09)945, 9th COST 2100 Management Committee Meeting, Vienna, Austria, 2009, -.

• Kaschub, M.: Using dedicated hardware for accelerating radio channel computation. In: Contribution to the 27th ITG 5.2.4 Workshop "Simulating Mobile Networks", Stuttgart, Germany, -, 2008.
• Scharf, M.: Quick-Start, Jump-Start, and other Fast Startup Approaches: Implementation Issues and Performance. In: Presentation at 73rd IETF Meeting, ICCRG, Minneapolis, 2008, -.

• Scharf, M.; Strotbek, H.: Experiences with Implementing Quick-Start in the Linux Kernel. In: 69th IETF Meeting, TSVAREA Session, Chicago, IL, 2007, -.
• Wahl, S.; Oberle, K.; Scharf, M.: Personal Communication Assistant Application for comprehensive FMC support. In: Beträge zum 22. Treffen der VDE/ITG-Fachgruppe 5.2.4 Mobilität in IP-basierten Netzen, Darmstadt, 2007, -.

• Gloss, B.: Mobilitätsmodellbasierte Ressourcenmodellierung für Heterogene Umgebungen. In: TG FG 5.2.1/FG 5.2.4, Workshop 'Mobilitätsmodelle + (vertical) Handover', München, 2006, -.
• Kühn, P.J.: Multiskalen-Simulation - Versuch einer Systematik der Methoden und Ansätze auf dem Gebiet der Verkehrssimulation. In: Workshop Simulation, ITG-FG 5.2.1, Bremen, 2006, -.
• Lück, S.: Acquisition, Storage, and Provision of Access Network Information with Nexus. In: 1st Akogrimo Public Workshop, Stuttgart, 2006, -.
• Scharf, M.; Necker, M.C.; Gauger, C.M.; Gloss, B.; Hauser, C.; Jähert, J.; Kiesel, S.; Köhn, M.; Kühn, P.J.; Reifert, A.; Sass, D.: To Session or not to Session - Session Concepts in Currently Emerging Future Networks. In: 6th Würzburg Workshop on IP: 'Visions of Future Generation Networks', Würzburg, 2006, -.