Team:

Prof. Dr. Tobias Hoßfeld

Lehrstuhlinhaber

Prof. Dr. Tobias Hoßfeld

Adresse:
Universität Duisburg-Essen, Campus Essen
Fakultät für Wirtschaftswissenschaften
Modellierung adaptiver Systeme
Schützenbahn 70
45127 Essen
Raum:
SM 208 (Schützenbahn Mittelbau)
Telefon:
+49 201 183-4431
E-Mail:
Sprechstunde:
nach Vereinbarug

Lebenslauf:

University Education

  • 10/1997 - 9/2003: Dipl.Inform. at University of Würzburg, Germany; Computer Science with minor physics (Diplom); Mathematics with minor physics (Vordiplom).
  • 10/2003 - 8/2009: Dr. rer. nat. at the University of Würzburg (summa cum laude). PhD tesis “Performance Evaluation of Future Internet Applications and Emerging User Behavior”.
  • 9/2009 - 5/2013: Habilitation at the University of Würzburg on “Modeling and Analysis of Internet Applications and Services”.

Work Experience

  • 4/2004 - 8/2009: Research assistant at Chair of Communication Networks, Prof. Dr.-Ing. P. Tran-Gia, University of Würzburg
  • 2/2008 - 8/2014: Head of the FIA research group “Future Internet Applications & Overlays”
  • 9/2009 - 5/2011: Senior researcher & assistant professor (Akademischer Rat) at the University of Würzburg
  • 6/2011 - 9/2011: Senior researcher at Forschungszentrum Telekommunikation Wien (FTW), Vienna, Austria
  • 10/2011- 5/2013: Senior researcher & assistant professor ("Akademischer Rat") at the University of Würzburg
  • 6/2013 - 8/2014: Assistant professor ("Privatdozent") at the University of Würzburg

Publikationen:

  • Egger, Sebastian; Redi, Judith; Hoßfeld, Tobias; Hirth, Matthias; Möller, Sebastian; Naderi, Babak; Keimel, Chistian: Crowdsourcing for QoE Experiments. In: Archambault, Daniel; Hoßfeld, Tobias; Purchase, Helen, C. (Hrsg.): Evaluation in the Crowd: Crowsourcing and Human-Centred Experiments. Springer, ISBN 978-3-319-66435-4, 2017. Details
  • Martin, David; Carpendale, Sheelagh; Gupta, Neha; Hoßfeld, Tobias; Naderi, Babak; Redi, Judith; Siahaan, Ernestasia; Wechsung, Ina: Understanding the Crowd: Ethical and Practical Matters in the Academic Use of Crowdsourcing. In: Archambault, Daniel; Hoßfeld, Tobias; Purchase, Helen, C. (Hrsg.): Evaluation in the Crowd: Crowsourcing and Human-Centred Experiments. Springer, ISBN 978-3-319-66435-4, 2017. Details
  • Antons, Jan-Niklas; Egger, Sebastian; Hoßfeld, Tobias; Möller, Sebastian (Hrsg.): Proceedings of The Fifth Workshop on Perceptual Quality of Systems (PQS 2016), ISCA, TU Berlin, Germany 2017.
  • Hossfeld, Tobias; Fiedler, Markus; Gustafsson, Jörgen: Betas: Deriving Quantiles from MOS-QoS Relations of IQX Models for QoE Management. In: QoE-Management Workshop (Hrsg.): IEEE/IFIP IM 2017. Lisbon, Portugal 2017. Details
  • Lareida, Andri; Hoßfeld, Tobias; Stiller, Burkhard: The BitTorrent Peer Collector Problem. In: IEEE (Hrsg.): Integrated Network and Service Management (IM), 2017 IFIP/IEEE. Lisbon, Portugal 2017. doi:10.23919/INM.2017.7987311 Details
  • Hossfeld, Tobias; Skorin-Kapov, Lea; Heegaard, Poul E.; Varela, Martín: Definition of QoE Fairness in Shared Systems. In: IEEE Communications Society; Institute of Electrical and Electronics Engineers, Institute of Electrical and Electronics Engineers (Hrsg.): IEEE Communications Letters, Volume: 21. 2016. doi:10.1109/LCOMM.2016.2616342 Details
  • Moldovan, Christian; Hoßfeld, Tobias: Impact of Variances on the QoE in Video Streaming. In: QCMAN 2016 : Fourth IEEE International Workshop on Quality of Experience Centric Management. Würzburg 2016. Details
  • Moldovan, Christian; Sieber, Christian; Heegaard, Poul; Kellerer, Wolfgang; Hoßfeld, Tobias: YouTube Can Do Better: Getting the Most Out of Video Adaptation. In: QCMAN 2016 : Fourth IEEE International Workshop on Quality of Experience Centric Management. Würzburg 2016. Details
  • Hoßfeld, Tobias; Heegaard, Poul E.; Varela, Martín; Möller, Sebastian: QoE Beyond the MOS: An In-Depth Look at QoE via Better Metrics and their Relation to MOS. In: Quality and User Experience (2016). doi:10.1007/s41233-016-0002-1 Details
  • Metzger, Florian; Lioutou, Eirini; Moldovan, Christian; Hoßfeld, Tobias: TCP Video Streaming and Mobile Networks: Not A Love Story, But Better With Context. In: Special Issue of Computer Networks on “Traffic and Performance in the Big Data Era”, Jg. 2016 (2016). Details
  • Hoßfeld, Tobias; Skorin-Kapov, Lea ; Heegaard, Poul E.; Varela, Martìn; Chen, Kuan-Ta: On Additive and Multiplicative QoS-QoE Models for Multiple QoS Parameters. In: PQS 2016. Berlin 2016. Details
  • Seufert, Michael; Hoßfeld, Tobias: One Shot Crowdtesting: Approaching the Extremes of Crowdsourced Subjective Quality Testing. In: PQS 2016. Berlin 2016. Details
  • Metzger, Florian; Rafetseder, Albert; Schwartz, Christian; Hoßfeld, Tobias: Games and Frames: A Strange Tale of QoE Studies. In: 8th International Conference on Quality of Multimedia Experience (QoMEX 2016). Lisbon 2016. Details
  • Seufert, Michael; Zach, Ondrej; Hoßfeld, Tobias; Slanina, Martin; Tran-Gia, Phuoc: Impact of Test Condition Selection in Adaptive Crowdsourcing Studies on Subjective Quality. In: 8th International Conference on Quality of Multimedia Experience (QoMEX 2016). Lisbon 2016. Details
  • Sackl, Andreas; Schatz, Raimund; Hossfeld, Tobias; Metzger, Florian; Lister, David; Irmer, Ralf : QoE Management Made Uneasy: The Case of Cloud Gaming. In: IEEE ICC 2016. Kuala Lumpur 2016. Details
  • Sieber, Christian; Heegaard, Poul; Hoßfeld, Tobias; Kellerer, Wolfgang; : Sacrificing Efficiency for Quality of Experience: YouTube’s Redundant Traffic Behavior. IFIP Networking 2016, Vienna, Austria 2016. Details
  • Wamser, Florian; Casas, Pedro; Seufert, Michael; Moldovan, Christian; Tran-Gia, Phuoc; Hoßfeld, Tobias: Modeling the YouTube Stack: from Packets to Quality of Experience. In: Computer Networks (2016). doi:10.1016/j.comnet.2016.03.020 Details
  • Liotou, Eirini; Hoßfeld, Tobias; Moldovan, Christian; Metzger, Florian; Tsolkas, Dimitris; Passas, Nikos: Enriching HTTP Adaptive Streaming with Context Awareness - A Tunnel Case Study. In: CQRM - Communications QoS, Reliability and Modeling Symposium. ICC, 2016. Details
  • Seufert, Michael; Griepentrog, Tobias; Burger, Valentin; Hoßfeld, Tobias: A Simple WiFi Hotspot Model for Cities. In: IEEE Communications Letters, Jg. 2016 (2016) Nr. 20, S. 384-387. doi:10.1109/LCOMM.2015.2509074 Details
  • Burger, Valentin; Seufert, Michael; Hoßfeld, Tobias, Tran-Gia, Phuoc: Performance evaluation of backhaul bandwidth aggregation using a partial sharing scheme. In: Physical Communication (2016). doi:10.1016/j.phycom.2016.01.005 Details
  • Jarschel, Michael; Hoßfeld, Tobias; Davoli, Franco; Bolla, Raffaele; Bruschi, Roberto; Carrega, Alessandro: SDN-Enabled Energy-Efficient Network Management. In: Konstantinos Samdanis, Peter Rost, Andreas Maeder, Michela Meo, Christos Verikoukis (Hrsg.): Green Communications: Principles, Concepts and Practice. John Wiley & Sons, 2015, S. 323-338. Details
  • Hirth, Matthias; Hoßfeld, Tobias; Mellia, Marco; Schwartz, Christian; Lehrieder, Frank: Crowdsourced network measurements: Benefits and best practices. In: Elsevier Computer Networks, Jg. 2015 (2015) Nr. 90, S. 85-98. doi:Crowdsourced network measurements: Benefits and best practices Details
  • Seufert, Michael; Hoßfeld, Tobias; Sieber, Christian: Impact of Intermediate Layer on Quality of Experience of HTTP Adaptive Streaming.. In: 11th International Conference on Network and Service Management (CNSM). IEEE, Barcelona, Spain 2015. doi:10.1109/CNSM.2015.7367367 Details
  • Gardlo, Bruno; Egger, Sebastian; Hossfeld, Tobias: Do Scale-Design and Training Matter for Video QoE Assessments through Crowdsourcing?. In: Fourth International ACM Workshop on Crowdsourcing for Multimedia. Brisbane, Australia 2015. Details
  • Redi, Judith; Siahaan, Ernestasia; Korshunov, Pavel; Habigt, Julian; Hossfeld, Tobias: When the crowd challenges the lab: lessons learnt from subjective studies on image aesthetic appeal. In: Fourth International ACM Workshop on Crowdsourcing for Multimedia. Brisbane, Australia 2015. Details
  • Seufert, Michael; Schwind, Anika; Hoßfeld, Tobias; Tran-Gia, Phuoc: Analysis of Group-based Communication in WhatsApp. In: 7th EAI International Conference on Mobile Networks and Management. Santander, Spain 2015. Details
  • Seufert, Michael; Lange, Stanislav; Hoßfeld, Tobias: More than topology: Joint topology and attribute sampling and generation of social network graphs. In: Elsevier Computer Communications, Jg. 2016 (2015) Nr. 73,B, S. 176-187. doi:10.1016/j.comcom.2015.07.023 Details
  • Seufert, Michael; Burger, Valentin; Wamser, Florian; Tran-Gia, Phuoc; Moldovan, Christian; Hoßfeld, Tobias: Utilizing Home Router Caches to Augment CDNs toward Information-Centric Networking. In: EuCNC 2015. Paris, France 2015. Details
  • Hossfeld, Tobias; Skorin-Kapov, Lea; Haddad, Yoram; Pocta, Peter; Siris, Vasilios A. ;Zgank, Andrej; Melvin, Hugh;: Can context monitoring improve QoE? A case study of video flash crowds in the Internet of Services. In: QCMAN 2015 - Third IFIP/IEEE International Workshop on Quality of Experience Centric Management. Ottawa, Canada 2015. Details
  • Hoßfeld, Tobias; Fiedler, Markus: The Unexpected QoE Killer: When the Network Emulator Misshapes Traffic and QoE. In: QoMEX 2015. Costa Navarino, Greece 2015. Details
  • Varela, Martín; Skorin-Kapov, Lea; Mäki, Toni; Hoßfeld, Tobias: QoE in the Web: A Dance of Design and Performance. QoMEX 2015, Costa Navarino, Greece 2015. Details
  • Hoßfeld, Tobias; Heegard, Poul; Varela, Martin: QoE beyond the MOS: Added Value Using Quantiles and Distributions. QoMEX 2015, Costa Navarino, Greece 2015. Details
  • Tobias Hoßfeld, Michael Seufert, Christian Sieber, Thomas Zinner, Phuoc Tran-Gia: Identifying QoE Optimal Adaptation of HTTP Adaptive Streaming Based on Subjective Studies. In: Elsevier Computer Networks, Jg. 2015 (2015) Nr. 81, S. 320-332. doi:10.1016/j.comnet.2015.02.015 Details
  • Tobias Hoßfeld, Christian Moldovan, Christian Schwartz: To Each According to his Needs: Dimensioning Video Buffer for Specific User Profiles and Behavior. In: QCMAN 2015. Ottawa, Canada 2015. Details
  • Seufert, M. ; Egger, S. ; Slanina, M. ; Zinner, T. ; Hossfeld, T. ; Tran-Gia, P. : A Survey on Quality of Experience of HTTP Adaptive Streaming. In: IEEE Communications Surveys & Tutorials, Jg. 2014 (2014). doi:10.1109/COMST.2014.2360940 Details
  • Hoßfeld, T.; Hirth, M.; Redi, J.; Mazza, F.; Korshunov, P.; Naderi, B.; Seufert, M.; Gardlo, B.; Egger, S.; Keimel, C.: Best Practices and Recommendations for Crowdsourced QoE - Lessons learned from the Qualinet Task Force Crowdsourcing, European Network on Quality of Experience in Multimedia Systems and Services (COST Action IC 1003 Qualinet) (Hrsg.), 2014. Details
  • Tobias Hoßfeld, Michael Seufert, Christian Sieber, Thomas Zinner, Phuoc Tran-Gia: Close to Optimum? User-centric Evaluation of Adaptation Logics for HTTP Adaptive Streaming. In: PIK - Praxis der Informationsverarbeitung und Kommunikation, Jg. 2014 (2014). doi: 10.1515/pik-2014-0029 Details
  • Hoßfeld, T.; Keimel, C.; Timmerer, C.: Crowdsourcing Quality-of-Experience Assessments. In: IEEE Computer, Jg. 2014 (2014) Nr. 47, S. 98-102. doi:10.1109/MC.2014.245 Details
  • Seufert, Michael; Darzanos, George; Papafili, Ioanna; Lapacz, Roman; Burger, Valentin; Hoßfeld, Tobias: Socially-Aware Traffic Management. In: Zweig, Katharina, Neuser, Wolfgang; Pipek, Volkmar; Rohde, Markus; Scholtes, Ingo (Hrsg.): Socioinformatics - The Social Impact of Interactions between Humans and IT. Springer International Publishing, 2014, S. 25-43. Details
  • Burger, Valentin; Hock, Davi; Scholtes, Ingo; Hoßfeld, Tobias; Garcia, David; Seufert, Michael: Social Network Analysis in the Enterprise: Challenges and Opportunities. In: Zweig, Katharina, Neuser, Wolfgang; Pipek, Volkmar; Rohde, Markus; Scholtes, Ingo (Hrsg.): Socioinformatics - The Social Impact of Interactions between Humans and IT. Springer International Publishing, 2014, S. 95-120. Details
  • Hoßfeld, Tobias; Burger, Valentin; Hinrichsen, Haye; Hirth, Matthias; Tran-Gia, Phuoc: On the computation of entropy production in stationary social networks. In: Social Network Analysis and Mining, Jg. 4 (2014). Details
  • Hoßfeld, Tobias: On Training the Crowd for Subjective Quality Studies. In: VQEG eLetter, Jg. 1 (2014). Details
  • Hoßfeld, Tobias; Hirth, Matthias; Korshunov, Pavel; Hanhart, Philippe; Gardlo, Bruno; Keimel, Christian; Timmerer, Christian: Survey of Web-based Crowdsourcing Frameworks for Subjective Quality Assessment. In: 16th International Workshop on Multimedia Signal Processing. Jakarta, Indonesia 2014. Details
  • Hossfeld, Tobias; Keimel, Christian; Hirth, Matthias; Gardlo, Bruno; Habigt, Julian; Diepold, Klaus; Tran-Gia, Phuoc: Best Practices for QoE Crowdtesting: QoE Assessment with Crowdsourcing. In: Transactions on Multimedia, Jg. 16 (2014). Details
  • Hoßfeld, Tobias; Seufert, Michael; Sieber, Christian; Zinner, Thomas: Assessing Effect Sizes of Influence Factors Towards a QoE Model for HTTP Adaptive Streaming. In: 6th International Workshop on Quality of Multimedia Experience (QoMEX). Singapore 2014. Details
  • Jarschel, Michael; Zinner, Thomas; Hoßfeld, Tobias; Tran-Gia, Phuoc; Kellerer, and Wolfgang: Interfaces, Attributes, and Use Cases: A Compass for SDN. In: IEEE Communications Magazine, Jg. 52 (2014). Details
  • Oechsner, Simon; Bellalta, Boris; Dimitrova, Desislava; Hoßfeld, Tobias: Visions and Challenges for Sensor Network Collaboration in the Cloud. In: The Eighth International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS-2014). Birmingham, UK 2014.
  • Hirth, Matthias; Scheuring, Sven; Hoßfeld, Tobias; Schwartz, Christian; Tran-Gia, Phuoc: Predicting Result Quality in Crowdsourcing Using Application Layer Monitoring. In: 5th International Conference on Communications and Electronics (ICCE 2014). Da Nang, Vietnam 2014. Details
  • Burger, Valentin; Hirth, Matthias; Schwartz, Christian; Hoßfeld, Tobias: Increasing the Coverage of Vantage Points in Distributed Active Network Measurements by Crowdsourcing. In: Measurement, Modelling and Evaluation of Computing Systems (MMB 2014). Bamberg, Germany 2014. Details
  • Hoßfeld, Tobias; Keimel, Christian: Crowdsourcing in QoE Evaluation. In: Sebastian Möller, Alexander Raake (Hrsg) (Hrsg.): Quality of Experience: Advanced Concepts, Applications and Methods. Springer: T-Labs Series in Telecommunication Services, ISBN 978-3-319-02680-0, 2014. Details
  • Hoßfeld, Tobias; Schatz, Raimund; Krieger, Udo: QoE of YouTube Video Streaming for Current Internet Transport Protocols. In: Measurement, Modelling and Evaluation of Computing Systems (MMB 2014). Bamberg, Germany 2014. Details
  • Hoßfeld, Tobias; Timmerer, Christian: Quality of Experience Assessment using Crowdsourcing. In: IEEE COMSOC MMTC R-Letter, Jg. 5 (2014). Details
  • Metzger, Florian; Schwartz, Christian; Hoßfeld, Tobias: GTP-based Load Model and Virtualization Gain for a Mobile Network’s GGSN. In: 5th International Conference on Communications and Electronics. Da Nang, Vietnam 2014. Details
  • Zinner, Thomas; Hoßfeld, Tobias; Fiedler, Markus; Liers, Florian; Volkert, Thomas; Khondoker, Rahamatullah; Schatz, Raimund: Requirement Driven Prospects for Realizing User-Centric Network Orchestration. In: Multimedia Tools and Applications, doi: 10.1007/s11042-014-2072-5 (2014). Details
  • Strohmeier, Dominik; Egger, Sebastian; Raake, Alexander; Schatz, Raimund; Hoßfeld, Tobias: Web Browsing. In: Sebastian Möller, Alexander Raake (Hrsg) (Hrsg.): Quality of Experience: Advanced Concepts, Applications and Methods. Springer: T-Labs Series in Telecommunication Services, ISBN 978-3-319-02680-0, 2014. Details
  • Schwartz, Christian; Hirth, Matthias; Hoßfeld, Tobias; Tran-Gia, Phuoc: Performance Model for Waiting Times in Cloud File Synchronization Services. In: 26th International Teletraffic Congress (ITC). Karlskrona, Sweden 2014. Details
  • Wajda, Krzysztof; Stankiewicz, Rafal; Dulinski, Zbigniew; Hoßfeld, Tobias; Seufert, Michael; Hausheer, David; Wichtlhuber, Matthias; Papafili, Ioanna; Dramitinos, Manos; Cruschelli, Paolo; Soursos, Sergios; Lapacz, Roman; Stiller, Burkhard: Socially-aware Management of New Overlay Applications Traffic - The Optimization Potentials of the SmartenIT Approach. In: 6th International Conference on Mobile Networks and Management (MONAMI). Würzburg, Germany 2014. Details
  • Burger, Valentin; Hoßfeld, Tobias; Garcia, David; Seufert, Michael; Scholtes, Ingo; Hock, David: Resilience in Enterprise Social Networks. In: Workshop Sozioinformatik 2013. Koblenz, Germany 2013. Details
  • Hausheer, David; Hoßfeld, Tobias (Hrsg) (Hrsg.): Proceedings of the Social-aware Economic Traffic Management for Overlay and Cloud Applications Workshop (SETM 2013), CNSM Workshop 2013, Zürich, Switzerland 2013. Details
  • Redi, Judith; Hossfeld, Tobias; Korshunov, Pavel; Mazza, Filippo; Povoa, Isabel; Keimel, Christian: Crowdsourcing-based multimedia subjective evaluations: a case study on image recognizability and aesthetic appeal. In: ACM CrowdMM 2013. Barcelona, Spain 2013. Details
  • Hoßfeld, Tobias; Tran-Gia, Phuoc; Vukovic, Maja (Hrsg.): Crowdsourcing: From Theory to Practice and Long-Term Perspectives - Report of the Dagstuhl Seminar 13361, Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik, Dagstuhl, Germany 2013. Details
  • Sieber, Christian; Hoßfeld, Tobias; Zinner, Thomas; Tran-Gia, Phuoc; Timmerer, Christian: Implementation and User-centric Comparison of a Novel Adaptation Logic for DASH with SVC. In: IFIP/IEEE International Workshop on Quality of Experience Centric Management (QCMan). Ghent, Belgium 2013. Details
  • Hinrichsen, Haye; Hoßfeld, Tobias; Hirth, Matthias; Tran-Gia, Phuoc: Entropy Production in Stationary Social Networks. In: 4th Workshop on Complex Networks (CompleNet 2013). Berlin, Germany 2013. Details
  • Seufert, Michael; Lorey, Karl; Hirth, Matthias; Hoßfeld, Tobias: Gamification Framework for Personalized Surveys on Relationships in Online Social Networks. In: 1st International Workshop on Crowdsourcing and Gamification in the Cloud (CGCloud). Dresden, Germany 2013. Details
  • Seufert, Michael; Darzanos, George; Burger, Valentin; Papafili, Ioanna; Hoßfeld, Tobias: Socially-Aware Traffic Management. In: Workshop Sozioinformatik 2013. Koblenz, Germany 2013. Details
  • Seufert, Michael; Burger, Valentin; Hoßfeld, Tobias: HORST - Home Router Sharing based on Trust. In: Workshop on Social-aware Economic Traffic Management for Overlay and Cloud Applications (SETM 2013). Zurich, Switzerland 2013. Details
  • Schwartz, Christian; Scheib, Marc; Hoßfeld, Tobias; Tran-Gia, Phuoc; Gimenez-Guzman, Jose Manuel: Trade-Offs for Video-Providers in LTE Networks: Smartphone Energy Consumption Vs Wasted Traffic. In: 22nd International Teletraffic Congress Specialist Seminar on Energy Efficient and Green Networking. Christchurch, New Zealand 2013. Details
  • Schwartz, Christian; Lehrieder, Frank; Wamser, Florian; Hoßfeld, Tobias; Tran-Gia, Phuoc: Smart-Phone Energy Consumption Vs. 3G Signaling Load: The Influence of Application Traffic Patterns. In: Tyrrhenian International Workshop 2013 on Digital Communications: Green ICT. Genova, Italy 2013. Details
  • Schwartz, Christian; Hossfeld, Tobias; Lehrieder, Frank; Tran-Gia, Phuoc: Angry Apps: When Smartphone Users and Mobile Operators Get Annoyed. In: Journal of Computer Networks and Communications, Jg. 176217 (2013). Details
  • Zinner, Thomas; Hossfeld, Tobias; Tran-Gia, Phuoc; Kellerer, Wolfgang: Software defined Networks - Das Internet flexibler gestalten und dynamischer steuern. In: ITG Mitgliederbeilage / VDE dialog (invited article) (2013). Details
  • Varela, Martin; Mäki, Toni; Skorin-Kapov, Lea; Hoßfeld, Tobias: Towards an understanding of visual appeal in website design. In: Fifth International Workshop on Quality of Multimedia Experience (QoMEX 2013). Klagenfurt, Austria 2013. Details
  • Sackl, Andreas; Seufert, Michael; Hoßfeld, Tobias: Asking Costs Little? The Impact of Tasks in Video QoE Studies on User Behavior and User Ratings. In: 4th International Workshop on Perceptual Quality of Systems (PQS 2013). Vienna, Austria 2013. Details
  • Stiller, Burkhard; Hausheer, David; Hoßfeld, Tobias: Towards a Socially-Aware Management of New Overlay Application Traffic Combined with Energy Efficiency in the Internet (SmartenIT). In: Alex Galis, Anastasius Gavras (Hrsg) (Hrsg.): The Future Internet. Springer, LNCS 7858, 2013. Details
  • Hoßfeld, Tobias; Strohmeier, Dominik; Raake, Alexander; Schatz, Raimund: Pippi Longstocking Calculus for Temporal Stimuli Pattern on YouTube QoE. In: 5th ACM Workshop on Mobile Video (MoVid 2013). Oslo, Norway 2013. Details
  • Hoßfeld, Tobias; Schatz, Raimund; Biersack, Ernst; Plissonneau, Louis: Internet Video Delivery in YouTube: From Traffic Measurements to Quality of Experience. In: Biersack, Ernst; Callegari, Christian; Matijasevic, Maja (Hrsg) (Hrsg.): Data Traffic Monitoring and Analysis: From measurement, classification and anomaly detection to Quality of experience. Springer, 2013. Details
  • Hoßfeld, Tobias; Hirth, Matthias; Tran-Gia, Phuoc: Crowdsourcing - Modell einer neuen Arbeitswelt im Internet. In: Informatik Spektrum, Wirtschaftsinformatik & Management, Jg. 5 (2013). Details
  • Hofeld, Tobias; Tran-Gia, Phuoc: Int. J. of Communication Networks and Distributed Systems.
  • Schatz, Raimund; Hoßfeld, Tobias (Hrsg) (Hrsg.): Proceedings of The Fourth Workshop on Perceptual Quality of Systems (PQS 2013), FTW, Vienna, Austria 2013.
  • Amrehn, Philipp; Vandenbroucke, Karel; Hoßfeld, Tobias; Moor, Katrien de; Hirth, Matthias; Schatz, Raimund; Casas, Pedro: Need for Speed? On Quality of Experience for File Storage Services. In: 4th International Workshop on Perceptual Quality of Systems (PQS 2013). Vienna, Austria 2013. Details
  • Casas, Pedro; Schatz, Raimund; Hoßfeld, Tobias: Monitoring YouTube QoE: Is Your Mobile Network Delivering the Right Experience to your Customers?. In: IEEE Wireless Communications and Networking Conference (WCNC 2013). Shanghai, China 2013. Details
  • Schatz, Raimund; Hoßfeld, Tobias; Janowski, Lucjan; Egger, Sebastian: From Packets to People: Quality of Experience as New Measurement Challenge. In: Biersack, Ernst; Callegari, Christian; Matijasevic, Maja (Hrsg) (Hrsg.): Data Traffic Monitoring and Analysis: From measurement, classification and anomaly detection to Quality of experience. Springer, 2013. Details
  • Tran-Gia, Phuoc; Hoßfeld, Tobias; Hartmann, Matthias; Hirth, Matthias: Crowdsourcing and its Impact on Future Internet Usage. In: it - Information Technology, Jg. 55 (2013). Details
  • Varela, Martin; Mäki, Toni; Skorin-Kapov, Lea; Hoßfeld, Tobias: Increasing Payments in Crowdsourcing: Don’t look a gift horse in the mouth. In: 4th International Workshop on Perceptual Quality of Systems (PQS 2013). Vienna, Austria 2013. Details
  • Schwartz, Christian; Hofeld, Tobias; Lehrieder, Frank; Tran-Gia, Phuoc: Angry Apps: When Smartphone Users and Mobile Operators Get Annoyed. In: Journal of Computer Networks and Communications (JCNC): Special Issue on “Improving QoS and QoE for Mobile Communications” (2012). Details
  • Gardlo, Bruno; Ries, Michal; Hoßfeld, Tobias: Impact of Screening Technique on Crowdsourcing QoE Assessments. In: 22nd International Conference Radioelektronika 2012, Special Session on Quality in multimedia systems. Brno, Czech Republic 2012. Details
  • Egger, Sebastian; Reichl, Peter; Hoßfeld, Tobias; Schatz, Raimund: Time is Bandwidth? Narrowing the Gap between Subjective Time Perception and Quality of Experience. In: 2012 IEEE International Conference on Communications (ICC 2012). Ottawa, Canada 2012. Details
  • Hoßfeld, Tobias; Schatz, Raimund; Varela, Martin; Timmerer, Christian: Challenges of QoE Management for Cloud Applications. In: IEEE Communications Magazine, Jg. 50 (2012) Nr. 4. Details
  • Hoßfeld, Tobias; Liers, Florian; Schatz, Raimund; Staehle, Barbara; Staehle, Dirk; Volkert, Thomas; Wamser, Florian: Quality of Experience Management for YouTube: Clouds, FoG and the AquareYoum. In: PIK - Praxis der Informationverarbeitung und -kommunikation (PIK), Jg. 35 (2012) Nr. 3. Details
  • Hofeld, Tobias; Zinner, Thomas; Fiedler, Markus; Liers, Florian; Volkert, Thomas; Khondoker, Rahamatullah; Schatz, Raimund: Requirement Driven Prospects for Realizing User-Centric Network Orchestration. In: Computer Communications Journal Special Issue on Human-Centric Multimedia Networking (2012). Details
  • Hofeld, Tobias; Schatz, Raimund: Quality of Experience of YouTube Video Streaming for Current Internet Transport Protocols. In: Computer Networks (2012).
  • Zinner, Thomas; Klein, Dominik; Hoßfeld, Tobias: User-Centric Network-Application Interaction for Live HD Video Streaming. In: 4th International Conference on Mobile Networks and Management (MONAMI 2012). Hamburg, Germany 2012. Details
  • Egger, Sebastian; Hoßfeld, Tobias; Schatz, Raimund; Fiedler, Markus: Waiting Times in Quality of Experience for Web Based Services. In: QoMEX 2012. Yarra Valley, Australia 2012. Details
  • Ciszkowski, Tomasz; Mazurczyk, Wojciech; Kotulski, Zbigniew; Hoßfeld, Tobias; Fiedler, Markus; Collange, Denis: Towards Quality of Experience-based Reputation Models for Future Web Service Provisioning. In: Special Issue of the Springer Telecommunication Systems Journal: Future Internet Services and Architectures - Trends and Visions, Jg. 51 (2012). Details
  • Burger, Valentin; Lehrieder, Frank; Hoßfeld, Tobias; Seedorf, Jan: Who Profits from Peer-to-Peer File-Sharing? Traffic Optimization Potential in BitTorrent Swarms. In: International Teletraffic Congress (ITC 24). Krakow, Poland 2012. Details
  • Lehrieder, Frank; Dán, György; Hoßfeld, Tobias; Oechsner, Simon; Singeorzan, Vlad: Caching for BitTorrent-like P2P Systems: A Simple Fluid Model and its Implications. In: IEEE/ACM Transactions on Networking (TON), Jg. 20 (2012) Nr. 4. Details
  • Hirth, Matthias; Hossfeld, Tobias; Tran-Gia, Phuoc: Analyzing Costs and Accuracy of Validation Mechanisms for Crowdsourcing Platforms. In: Mathematical and Computer Modelling (Elsevier) (2012). Details
  • Gardlo, Bruno; Ries, Michal; Hoßfeld, Tobias; Schatz, Raimund: Microworkers vs. Facebook: The Impact of Crowdsourcing Platform Choice on Experimental Results. In: QoMEX 2012. Yarra Valley, Australia 2012. Details
  • Jarschel, Michael; Schlosser, Daniel; Scheuring, Sven; Hoßfeld, Tobias: Gaming in the clouds: QoE and the users’ perspective. In: Mathematical and Computer Modelling (Elsevier) (2012). Details
  • Zinner, Thomas; Liers, Florian; Hoßfeld, Tobias; Rauscher, Dirk; Reuther, Bernd; Günther, Daniel; Volkert, Thomas; Fiedler, Markus: Prospects for Realizing User-Centric Network Orchestration: FEC-protected SVC Streaming. In: 7. GI/ITG KuVS Fachgespräch ’Future Internet’. München, Germany 2012. Details
  • Hirth, Matthias; Lehrieder, Frank; Oberste-Vorth, Stephan; Hoßfeld, Tobias; Tran-Gia, Phuoc: Wikipedia and its Network of Authors from a Social Network Perspective. In: International Conference on Communications and Electronics (ICCE). Hue, Vietnam 2012. Details
  • Hoßfeld, Tobias; Hirth, Matthias; Tran-Gia, Phuoc: Aktuelles Schlagwort: Crowdsourcing. In: Informatik Spektrum, Jg. 35 (2012) Nr. 3. Details
  • Hoßfeld, Tobias; Egger, Sebastian; Schatz, Raimund; Fiedler, Markus; Masuch, Kathrin; Lorentzen, Charlott: Initial Delay vs. Interruptions: Between the Devil and the Deep Blue Sea. In: QoMEX 2012. Yarra Valley, Australia 2012. Details
  • Schatz, Raimund; Hoßfeld, Tobias; Casas, Pedro: Passive YouTube QoE Monitoring for ISPs. In: Best Paper Award at Workshop on Future Internet and Next Generation Networks (FINGNet-2012). Palermo, Italy 2012. Details
  • Lehrieder, Frank; Oechsner, Simon; Hoßfeld, Tobias; Staehle, Dirk; Despotovic, Zoran; Kellerer, Wolfgang; Michel, Maximilian: Mitigating Unfairness in Locality-Aware Peer-to-Peer Networks. In: International Journal of Network Management (IJNM), Special Issue on Economic Traffic Management, Jg. 21 (2011) Nr. 1. Details
  • Jarschel, Michael; Schlosser, Daniel; Scheuring, Sven; Hoßfeld, Tobias: An Evaluation of QoE in Cloud Gaming Based on Subjective Tests. In: Workshop on Future Internet and Next Generation Networks (FINGNet-2011). Seoul, Korea 2011. Details
  • Hoßfeld, Tobias; Schatz, Raimund; Seufert, Michael; Hirth, Matthias; Zinner, Thomas; Tran-Gia, Phuoc: Quantification of YouTube QoE via Crowdsourcing. In: IEEE International Workshop on Multimedia Quality of Experience - Modeling, Evaluation, and Directions (MQoE 2011). Dana Point, CA, USA 2011. Details
  • Hirth, Matthias; Hoßfeld, Tobias; Tran-Gia, Phuoc: Anatomy of a Crowdsourcing Platform - Using the Example of Microworkers.com. In: Workshop on Future Internet and Next Generation Networks (FINGNet). Seoul, Korea 2011. Details
  • Hoßfeld, Tobias; Schatz, Raimund; Biedermann, Sebastian; Platzer, Alexander; Egger, Sebastian; Fiedler, Markus: The Memory Effect and Its Implications on Web QoE Modeling. In: 23rd International Teletraffic Congress (ITC 23). San Francisco, USA 2011. Details
  • Hoßfeld, Tobias; Liers, Florian; Volkert, Thomas; Schatz, Raimund: FoG and Clouds: Optimizing QoE for YouTube. In: KuVS 5thGI/ITG KuVS Fachgespräch NG Service Delivery Platforms. Munich, Germany 2011. Details
  • Hoßfeld, Tobias; Fiedler, Markus; Zinner, Thomas: The QoE Provisioning-Delivery-Hysteresis and Its Importance for Service Provisioning in the Future Internet. In: Proceedings of the 7th Conference on Next Generation Internet Networks (NGI). Kaiserslautern, Germany 2011. Details
  • Hoßfeld, Tobias: Aktuelle Entwicklungen im Internet und sich daraus ergebende rechtliche Fragestellungen. In: Herczeg, Jiri; Grivna, Tomas (Hrsg) (Hrsg.): Internet-Kriminalität und die neuen Herausforderungen der Informationsgesellschaft des 21. Jahrhundert. Wolters Kluwer CR, 2011. Details
  • Dan, György; Hoßfeld, Tobias; Oechsner, Simon; Cholda, Piotr; Stankiewicz, Rafal; Papafili, Ioanna; Stamoulis, George D.: Interaction Patterns between P2P Content Distribution Systems and ISPs. In: IEEE Communications Magazine, Jg. 49 (2011) Nr. 5. Details
  • Hoßfeld, Tobias; Lehrieder, Frank; Hock, David; Oechsner, Simon; Despoto-vic, Zoran; Kellerer, Wolfgang; Michel, Maximilian: Characterization of BitTorrent Swarms and their Distribution in the Internet. In: Computer Networks, Jg. 55 (2011) Nr. 5. Details
  • Hoßfeld, Tobias; Hirth, Matthias; Tran-Gia, Phuoc: Modeling of Crowdsourcing Platforms and Granularity of Work Organization in Future Internet. In: International Teletraffic Congress (ITC 23). San Francisco, USA 2011. Details
  • Hoßfeld, Tobias; Schatz, Raimund; Egger, Sebastian: SOS: The MOS is not enough!. In: QoMEX 2011. Mechelen, Belgium 2011. Details
  • Fiedler, Markus; Hoßfeld, Tobias; Norros, Ilkka; Rodrigues, Joel; Pereira, Paulo Rogério: The Network of Excellence Euro-NF and its Specific Joint Research Projects. In: ICST Global Community Magazine (2011).
  • Hirth, Matthias; Hoßfeld, Tobias; Tran-Gia, Phuoc: Cost-Optimal Validation Mechanisms and Cheat-Detection for Crowdsourcing Platforms. In: Workshop on Future Internet and Next Generation Networks (FINGNet). Seoul, Korea 2011. Details
  • Hoßfeld, Tobias; Tran-Gia, Phuoc: EuroView 2010: Visions of Future Generation Networks. In: ACM SIGCOMM Computer Communications Review CCR, Jg. 41 (2011) Nr. 3. Details
  • Stankiewicz, Rafal; Cholda, Piotr; Domzal, Jerzy; Wojcik, Robert; Hoßfeld, Tobias; Zinner, Thomas; Oechsner, Simon; Lehrieder, Frank: Influence of traffic management solutions on Quality of Experience for prevailing overlay applications. In: Proceedings of the 7th Conference on Next Generation Internet Networks (NGI). Kaiserslautern, Germany 2011. Details
  • Meier, Sebastian; Barisch, Marc; Kirstädter, Andreas; Schlosser, Daniel; Duelli, Michael; Jarschel, Michael; Hoßfeld, Tobias; Hoffmann, Klaus; Hoffmann, Marco; Kellerer, Wolfgang; Khan, Ashiq; Jurca, Dan; Kozu, Kazuyuki: Provisioning and Operation of Virtual Networks. In: Electronic Communications of the EASST, Kommunikation in Verteilten Systemen 2011, Jg. 37 (2011). Details
  • Lehrieder, Frank; Dán, György; Hoßfeld, Tobias; Oechsner, Simon; Singeorzan, Vlad: The Impact of Caching on BitTorrent-like Peer-to-peer Systems. In: 10th IEEE International Conference on Peer-to-Peer Computing 2010 - IEEE P2P 2010. Best Paper Award, Delft, the Netherlands 2010. Details
  • Oechsner, Simon; Zinner, Thomas; Prokopetz, Jochen; Hoßfeld, Tobias: Supporting Scalable Video Codecs in a P2P Video-on-Demand Streaming System. In: 21th ITC Specialist Seminar on Multimedia Applications - Traffic, Performance and QoE. Miyazaki, Jap 2010. Details
  • Lehrieder, Frank; Oechsner, Simon; Hoßfeld, Tobias; Despotovic, Zoran; Kellerer, Wolfgang; Michel, Maximilian: Can P2P-Users Benefit from Locality-Awareness?. In: 10th IEEE International Conference on Peer-to-Peer Computing 2010 - IEEE P2P 2010. Best Paper Award, Delft, the Netherlands 2010. Details
  • Schlosser, Daniel; Jarschel, Michael; Duelli, Michael; Hoßfeld, Tobias; Hoffmann, Klaus; Hoffmann, Marco; Morper, Hans Jochen; Jurca, Dan; Khan, Ashiq: A Use Case Driven Approach to Network Virtualization. In: accepted at IEEE Kaleidoscope 2010, published via OPUS Würzburg under OpenAccess. Würzburg, Germany 2010. Details
  • Schlosser, D.; Hoffmann, M.; Hoßfeld, T.; Jarschel, M.; Kirstaedter, A.; Kellerer, W.; Köhler, S.: COMCON: Use Cases for Virtual Future Networks. In: TridentCom 2010. Berlin 2010. Details
  • Fiedler, Markus; Hoßfeld, Tobias; Tran-Gia, Phuoc: A Generic Quantitative Relationship between Quality of Experience and Quality of Service. In: IEEE Network: The Magazine of Global Internetworking, Jg. 24 (2010) Nr. 2. Details
  • Fiedler, Markus; Hoßfeld, Tobias: Quality of Experience-Related Differential Equations and Provisioning-Delivery Hysteresis. In: to 21st ITC Specialist Seminar on Multimedia Applications - Traffic, Performance and QoE. Phoenix Seagaia Resort, Miyazaki, Japan 2010. Details
  • Chołda, Piotr; Domzał, Jerzy; Wójcik, Robert; Stankiewicz, Rafał; Lehrieder, Frank; Hoßfeld, Tobias; Oechsner, Simon; Singeorzan, Vlad: Performance Evaluation of P2P Caches: Flash-Crowd Case. In: Australasian Telecommunication Networks and Applications Conference (ATNAC) 2010. Auckland, New Zealand 2010. Details
  • Zinner, Thomas; Hoßfeld, Tobias; Minash, Tahir Nawaz; Fiedler, Markus: Controlled vs. Uncontrolled Degradations of QoE - The Provisioning-Delivery Hysteresis in Case of Video. In: New Dimensions in the Assessment and Support of Quality of Experience (QoE) for Multimedia Applications. Tampere 2010. Details
  • Zinner, Thomas; Hohlfeld, Oliver; Abboud, Osama; Hoßfeld, Tobias: Impact of Frame Rate and Resolution on Objective QoE Metrics. In: International Workshop on Quality of Multimedia Experience, 2010. Trondheim 2010. Details
  • Zinner, Thomas; Abboud, Osama; Hohlfeld, Oliver; Hoßfeld, Tobias; Tran-Gia, Phuoc: Towards QoE Management for Scalable Video Streaming. In: 21th ITC Specialist Seminar on Multimedia Applications - Traffic, Performance and QoE. Miyazaki, Jap 2010. Details
  • Stiller, Burkhard; Hoßfeld, Tobias; Stamoulis, George D. (Hrsg) (Hrsg.): Incentives, Overlays, and Economic Traffic Control, Springer, Amsterdam, The Netherlands 2010.
  • Hoßfeld, Tobias; Duelli, Michael; Staehle, Dirk; Tran-Gia, Phuoc: Chapter VIII: Cooperation Strategies for P2P Content Distribution in Cellular Mobile Networks: Considering Mobility and Heterogeneity. In: Seet, Boon-Chong (Hrsg) (Hrsg.): Mobile Peer-to-Peer Computing for Next Generation Distributed Environments: Advancing Conceptual and Algorithmic Applications. IGI Global, 2009, S. 1234-1234. Details
  • Ciszkowski, Tomasz; Mazurczyk, Wojciech; Kotulski, Zbigniew; Hoßfeld, Tobias; Fiedler, Markus; Collange, Denis: Towards Quality of Experience-based Reputation Models for Future Web Service Provisioning. In: Future Internet Architectures: New Trends in Service Architectures (2nd Euro-NF Workshop). Santander, Spain 2009. Details
  • Berl, Andreas; Meer, Hermann de; Hoßfeld, Tobias: P2P Solutions for Cellular Networks. In: International Conference on Advances in P2P Systems (AP2PS 2009). Sliema, Malta 2009. Details
  • Schlosser, Daniel; Hoßfeld, Tobias: Service Oriented Network Framework Enabling Global QoS and Network Virtualization. In: ITC SS 2009. Hoi An 2009. Details
  • Schlosser, Daniel; Hoßfeld, Tobias: Mastering Selfishness and Heterogeneity in Mobile P2P Content Distribution Networks with Multiple Source Download in Cellular Networks. In: Peer-to-Peer Networking and Applications, Special Issue on Mobile P2P Networking and Computing, Jg. 2 (2009) Nr. 3. Details
  • Oechsner, Simon; Lehrieder, Frank; Hoßfeld, Tobias; Metzger, Florian; Pussep, Konstantin; Staehle, Dirk: Pushing the Performance of Biased Neighbor Selection through Biased Unchoking. In: 9th International Conference on Peer-to-Peer Computing. Seattle, USA 2009. Details
  • Oechsner, Simon; Hoßfeld, Tobias; Tran-Gia, Phuoc: Performance Evaluation of a Distributed Lookup System for a Virtual Database Server. In: 20th ITC Specialist Seminar. Hoi An, Vietnam 2009. Details
  • Hung, Nguyen Chan; Hoßfeld, Tobias; Hoang, Giang Ngo; Vinh, Vu Thanh; Thang, Nguyen Manh: Challenges in the Development of Mobile P2P Applications and Services. In: Vietname Journal on Information and Communication Technologies (2009) Nr. 2. Details
  • Hoßfeld, Tobias; Schlosser, Daniel; Tutschku, Kurt; Tran-Gia, Phuoc: Chapter VII: Cooperation Strategies for P2P Content Distribution in Cellular Mobile Networks: Considering Selfishness and Heterogeneity. In: Seet, Boon-Chong (Hrsg) (Hrsg.): Mobile Peer-to-Peer Computing for Next Generation Distributed Environments: Advancing Conceptual and Algorithmic Applications. IGI Global, 2009. Details
  • Hoßfeld, Tobias; Leibnitz, Kenji; Nakao, Akihiro: Modeling of Modern Router Architectures Supporting Network Virtualization. In: 2nd International Workshop on the Network of the Future (FutureNet II) in conjunction with IEEE GLOBECOM 2009. Honolulu, Hawaii 2009. Details
  • Hoßfeld, Tobias; Hausheer, David; Hecht, Fabio; Lehrieder, Frank; Oechsner, Simon; Papafili, Ioanna; Racz, Peter; Soursos, Sergios; Staehle, Dirk; Stamoulis, George D.; Tran-Gia, Phuoc; Stiller, Burkhard: An Economic Traffic Management Approach to Enable the TripleWin for Users, ISPs, and Overlay Providers. In: Tselentis, Georgios; Domingue, John; Galis, Alex; Gavras, Anastasius; Hausheer, David; Krco, Srdjan; Lotz, Volkmar; Zahariadis, Theodore (Hrsg) (Hrsg.): FIA Prague Book. IOS Press Books Online, Towards the Future Internet - A European Research Perspective 2009, S. 24-24. Details
  • Stiller, Burkhard; Hausheer, David; Hoßfeld, Tobias; Liotta, Antonio; Spirou, Spiros; Waldburger, Martin: A Discussion of Socio-economic Management and Incentives for the Future Internet. In: 2nd International Workshop on the Network of the Future (FutureNet II) in conjunction with IEEE GLOBECOM 2009. Honolulu, Hawaii 2009. Details
  • Tran-Gia, Phuoc; Hoßfeld, Tobias; Menth, Michael; Pries, Rastin: Emerging Issues in Current Future Internet Design. In: e&i Elektrotechnik und Informationstechnik, Special Issue ’Future Internet’, ISSN: 0932-383X (print), ISSN: 1613-7620 (online), Jg. 126 (2009) Nr. 7-8. Details
  • Tutschku, Kurt; Berl, Andreas; Hoßfeld, Tobias; Meer, Hermann de: Chapter XVI: Mobile P2P in Cellular Mobile Networks: Architecture and Performance. In: Seet, Boon-Chong (Hrsg) (Hrsg.): Mobile Peer-to-Peer Computing for Next Generation Distributed Environments: Advancing Conceptual and Algorithmic Applications. IGI Global, 2009. Details
  • Juan Pedro Fernandez-Palacios Gimenez; Maria Angeles Callejo Rodriguez; Hasan, Hasan; Hoßfeld, Tobias; Staehle, Dirk; Despotovic, Zoran; Kellerer, Wolfgang; Pussep, Konstantin; Papafili, Ionna; Stamoulis, George D.; Stiller, Burkhard: A New Approach for Managing Traffic of Overlay Applications of the SmoothIT Project. In: 2nd International Conference on Autonomous Infrastructure, Management and Security (AIMS 2008). Bremen, Germany 2008. Details
  • Hoßfeld, Tobias; Leibnitz, Kenji; Remiche, Marie-Ange: Exact Sojourn Time Distribution in an Online IPTV Recording Service. In: 15th International Conference on Analytical and Stochastic Modelling Techniques and Applications (ASMTA 2008). Nicosia, Cyprus 2008. Details
  • Hoßfeld, Tobias; Leibnitz, Kenji: Performance Modeling of Data Aggregation in Wireless Sensor Networks. In: Invited Paper at the Jointly-organized Symposium of the Institute of Intelligent Information and Communications Technology (IICT) at Konan University and the ORSJ (Operations Research Society of Japan). Kobe, Japan 2008. Details
  • Hoßfeld, Tobias; Leibnitz, Kenji: A Qualitative Measurement Survey of Popular Internet-based IPTV Systems. In: Second International Conference on Communications and Electronics (HUT-ICCE 2008). Hoi An, Vietnam 2008. Details
  • Hoßfeld, Tobias; Hock, David; Tran-Gia, Phuoc; Tutschku, Kurt; Fiedler, Markus: Testing the IQX Hypothesis for Exponential Interdependency between QoS and QoE of Voice Codecs iLBC and G.711. In: 18th ITC Specialist Seminar on Quality of Experience. Karlskrona, Sweden 2008. Details
  • Hoßfeld, Tobias; Binzenhöfer, Andreas: Analysis of Skype VoIP Traffic in UMTS: End-to-End QoS and QoE Measurements. In: Computer Networks: The International Journal of Computer and Telecommunications Networking, Jg. 52 (2008) Nr. 3. Details
  • Binzenhöfer, Andreas; Hoßfeld, Tobias; Kunzmann, Gerald; Eger, Kolja: Efficient Simulation of Large-Scale P2P Networks. In: International Journal of Computational Science and Engineering (IJCSE): Special Issue on Parallel, Distributed and Network-Based Processing (2008).
  • Oechsner, Simon; Soursos, Sergios; Papafili, Ioanna; Hoßfeld, Tobias; Stamoulis, George D.; Stiller, Burkhard; Callejo, Maria Angeles; Staehle, Dirk: A framework of economic traffic management employing self-organization overlay mechanisms. In: IWSOS’08. Vienna, Austria 2008. Details
  • Zinner, Thomas; Hoßfeld, Tobias; Oechsner, Simon; Tran-Gia, Phuoc: On the Trade-off between Efficiency and Congestion in Location-aware Overlay Networks - Example of a Vertical Handover Support System. In: Eighth International Conference on Peer-to-Peer Computing (P2P 2008). Aachen, Germany 2008. Details
  • Stiller, Burkhard; Hoßfeld, Tobias: Modeling of P2P-based Video Streaming. In: Joint EC-GIN, EMANICS, and SmoothIT Workshop Economic Traffic Management. Zurich, Switzerland 2008.
  • Staehle, Barbara; Hoßfeld, Tobias; Vicari, Norbert; Kuhnert, Matthias: A Cross-Layer Approach for Enabling Low Duty Cycled ZigBee Mesh Sensor Networks. In: International Symposium on Wireless Pervasive Computing 2008. Santorini, Greece 2008. Details
  • Binzenhöfer, Andreas; Hoßfeld, Tobias; Kunzmann, Gerald; Eger, Kolja: Efficient Simulation of Large-Scale P2P Networks: Compact Data Structures. In: Workshop on Modeling, Simulation and Optimization of Peer-to-peer environments (MSOP2P) in conjunction with Euromicro (PDP 2007). Naples, Italy 2007. Details
  • Hoßfeld, Tobias; Leibnitz, Kenji: Modeling and Evaluation of an Online TV Recording Service. In: Ninth annual workshop on mathematical performance modeling and analysis MAMA2007, in conjunction with ACM SIGMETRICS ’07 and FCRC ’07. San Diego, CA, USA 2007. Details
  • Eger, Kolja; Hoßfeld, Tobias; Binzenhöfer, Andreas; Kunzmann, Gerald: Efficient Simulation of Large-Scale P2P Networks: Packet-level vs. Flow-level Simulations. In: 2nd Workshop on the Use of P2P, GRID and Agents for the Development of Content Networks (UPGRADE-CN’07) in conjunction with the 16th IEEE HPDC. Monterey Bay, California, USA 2007. Details
  • Duelli, Michael; Hoßfeld, Tobias; Staehle, Dirk: Impact of Vertical Handovers on Cooperative Content Distribution Systems. In: Seventh IEEE International Conference on Peer-to-Peer Computing (P2P2007). Best Student Paper, Galway, Ireland 2007, S. 177-177. Details
  • Hoßfeld, Tobias; Leibnitz, Kenji: Performance Evaluation of an IPTV Recording Service. In: Invited Paper at the Jointly-organized Symposium of the Institute of Intelligent Information and Communications Technology (IICT) at Konan University and the ORSJ (Operations Research Society of Japan). Kobe, Japan 2007. Details
  • Hoßfeld, Tobias; Leibnitz, Kenji; Remiche, Marie-Ange: Modeling of an Online TV Recording System. In: ACM SIGMETRICS Performance Evaluation Review, Jg. 35 (2007) Nr. 2. Details
  • Hoßfeld, Tobias; Tran-Gia, Phuoc; Fiedler, Markus: Quantification of Quality of Experience for Edge-Based Applications. In: 20th International Teletraffic Congress (ITC20). Ottawa, Canada 2007. Details
  • Staehle, Barbara; Hoßfeld, Tobias; Kuhnert, Matthias; Vicari, Norbert: Enabling the Sleep Mode in Non-beaconed 802.15.4 Multihop Networks - A Simulative Investigation. In: 6. GI/ITG KuVS Fachgespräch Drahtlose Sensornetze. Aachen, Germany 2007. Details
  • Leibnitz, Kenji; Hoßfeld, Tobias; Wakamiya, Naoki; Murata, Masayuki: Peer-to-Peer vs. Client/Server: Reliability and Efficiency of a Content Distribution Service. In: 20th International Teletraffic Congress (ITC20). Ottawa, Canada 2007. Details
  • Kunzmann, Gerald; Nagel, Robert; Hoßfeld, Tobias; Binzenhöfer, Andreas; Eger, Kolja: Efficient Simulation of Large-Scale P2P Networks: Modeling Network Transmission Times. In: Workshop on Modeling, Simulation and Optimization of Peer-to-peer environments (MSOP2P) in conjunction with Euromicro (PDP 2007). Naples, Italy 2007. Details
  • Hoßfeld, Tobias; Binzenhöfer, Andreas; Fiedler, Markus; Tutschku, Kurt: Measurement and Analysis of Skype VoIP Traffic in 3G UMTS Systems. In: 4th International Workshop on Internet Performance, Simulation, Monitoring and Measurement (IPS-MoMe 2006). Salzburg, Austria 2006. Details
  • Andreas Binzenhöfer und Tobias Hoßfeld: Warum Panini Fußballalben auch Informatikern Spaß machen. In: Weigand, Hans-Georg (Hrsg) (Hrsg.): Fußball eine Wissenschaft für sich. Verlag Königshausen & Neumann, 2006, S. 10-10. Details
  • Andersen, Frank-Uwe; Tutschku, Kurt; Hoßfeld, Tobias; Oechsner, Simon: Verlässliche Peer-to-Peer Technologie als Steuerungsverfahren für zukünftige mobile Zugangsnetze. In: 11. ITG-Mobilfunktagung, Technologien und Anwendungen, ISBN 3-8007-2942-3. Osnabrück, Germany 2006.
  • Leibnitz, Kenji; Hoßfeld, Tobias; Wakamiya, Naoki; Murata, Masayuki: Modeling of Epidemic Diffusion in Peer-to-Peer File-Sharing Networks. In: The Second International Workshop on Biologically Inspired Approaches to Advanced Information Technology, Bio-ADIT 2006, LNCS 3853. Senri Life Science Center, Osaka, Japan 2006. Details
  • Hoßfeld, Tobias; Oechsner, Simon; Tutschku, Kurt; Andersen, Frank-Uwe; Caviglione, Luca: Supporting Vertical Handover by Using a Pastry Peer-to-Peer Overlay Network. In: Mobile Peer-to-Peer Computing MP2P’06, in conjunction with the 4th IEEE International Conference on Pervasive Computing and Communications (PerCom’06). Pisa, Italy 2006. Details
  • Hoßfeld, Tobias; Oechsner, Simon; Tutschku, Kurt; Andersen, Frank-Uwe: Evaluation of a Pastry-based P2P Overlay for Supporting Vertical Handover. In: IEEE Wireless Communications and Networking Conference. Las Vegas, NV, USA 2006, S. 6-6. Details
  • Hoßfeld, Tobias; Mäder, Andreas; Tutschku, Kurt; Andersen, Frank-Uwe: Time-Discrete Analysis of the Crawling Strategy in an Optimized Mobile P2P Architecture. In: EuroNGI Workshop on. Loveno di Menaggio, Como, Italy 2006. Details
  • Hoßfeld, Tobias; Mäder, Andreas; Staehle, Dirk: When Do We Need Rate Control for Dedicated Channels in UMTS?. In: 2006 IEEE 63rd Vehicular Technology Conference. Melbourne, Australia 2006. Details
  • Leibnitz, Kenji; Hoßfeld, Tobias; Wakamiya, Naoki; Murata, Masayuki: On Pollution in eDonkey-like Peer-to-Peer File-Sharing Networks. In: 13th GI/ITG Conference on Measurement, Modeling, and Evaluation of Computer and Communication Systems, MMB2006. Nürnberg, Germany 2006. Details
  • Mäder, Andreas; Wagner, Bartosz; Hoßfeld, Tobias; Staehle, Dirk; Barth, Hans: Measurements in a Laboratory UMTS Network with time-varying Loads and different Admission Control Strategies. In: 4th International Workshop on Internet Performance, Simulation, Monitoring and Measurement. Salzburg, Austria 2006. Details
  • Oechsner, Simon; Hoßfeld, Tobias; Tutschku, Kurt; Andersen, Frank-Uwe: Supporting Vertical Handover by a Self-Organizing Multi-Dimensional P2P Overlay. In: 2006 IEEE 63rd Vehicular Technology Conference. Melbourne, Australia 2006. Details
  • Oechsner, Simon; Hoßfeld, Tobias; Tutschku, Kurt; Andersen, Frank-Uwe; Caviglione, Luca: Using Kademlia for the Configuration of B3G Radio Access Nodes. In: Mobile Peer-to-Peer Computing MP2P’06, in conjunction with the 4th IEEE International Conference on Pervasive Computing and Communications (PerCom’06). Pisa, Italy 2006. Details
  • Pries, Rastin; Hoßfeld, Tobias; Tran-Gia, Phuoc: On the Suitability of the Short Message Service for Emergency Warning Systems. In: 2006 IEEE 63rd Vehicular Technology Conference. Melbourne, Australia 2006. Details
  • Schlosser, Daniel; Hoßfeld, Tobias; Tutschku, Kurt: Comparison of Robust Cooperation Strategies for P2P Content Distribution Networks with Multiple Source Download. In: Sixth IEEE International Conference on Peer-to-Peer Computing (P2P2006). Cambridge, UK 2006. Details
  • Hoßfeld, Tobias; Mäder, Andreas; Tutschku, Kurt; Tran-Gia, Phuoc; Andersen, Frank-Uwe; Meer, Hermann de; Dedinski, Ivan: Comparison of Crawling Strategies for an Optimized Mobile P2P Architecture. In: 19th International Teletraffic Congress (ITC19). Beijing, China 2005. Details
  • Hoßfeld, Tobias; Staehle, Dirk: A Hybrid Model of the UMTS Downlink Capacity with WWW Traffic on Dedicated Channels. In: Mobile and Wireless Systems, LNCS 3427. Dagstuhl, Germany 2005, S. 20-20. Details
  • Hoßfeld, Tobias; Tutschku, Kurt; Andersen, Frank-Uwe: Mapping of File-Sharing onto Mobile Environments: Enhancement by UMTS. In: Mobile Peer-to-Peer Computing MP2P, in conjunction with the 3rd IEEE International Conference on Pervasive Computing and Communications (PerCom’05). Kauai Island, Hawaii 2005. Details
  • Hoßfeld, Tobias; Tutschku, Kurt; Andersen, Frank-Uwe: Mapping of File-Sharing onto Mobile Environments: Feasibility and Performance of eDonkey with GPRS. In: WCNC 2005. New Orleans, LA USA 2005. Details
  • Oberender, Jens; Andersen, Frank-Uwe; Meer, Hermann de; Dedinski, Ivan; Hoßfeld, Tobias; Kappler, Cornelia; Mäder, Andreas; Tutschku, Kurt: Enabling Mobile Peer-to-Peer Networking. In: Mobile and Wireless Systems, LNCS 3427. Dagstuhl, Germany 2005. Details
  • Hoßfeld, Tobias; Tutschku, Kurt; Schlosser, Daniel: Influence of the Size of Swapping Entities in Mobile P2P File-Sharing Networks. In: Peer-to-Peer-Systeme und -Anwendungen. GI/ITG-Workshop in Kooperation mit KiVS 2005, Kaiserslautern 2005. Details
  • Hoßfeld, Tobias; Tutschku, Kurt; Andersen, Frank-Uwe; Meer, Hermann de; Oberender, Jens: Simulative Performance Evaluation of a Mobile Peer-to-Peer File-Sharing System. In: Next Generation Internet Networks NGI2005. Rome, Italy 2005. Details
  • Hoßfeld, Tobias; Leibnitz, Kenji; Pries, Rastin; Tutschku, Kurt; Tran-Gia, Phuoc; Pawlikowski, Krzysztof: Information Diffusion in eDonkey Filesharing Networks. In: ATNAC 2004. Sydney, Australia 2004, S. 8-8. Details
  • Metzger, Florian; Hoßfeld, Tobias; Steindl, Christoph: A Simulation Framework for Evaluating the QoS and QoE of TCP-based Streaming in an LTE Network. In: Proceedings of the 27th International Teletraffic Congress (ITC 27). Ghent, Belgium . Details

Betreute Abschlussarbeiten:

  • Statistische Charakterisierung der Einflussfaktoren auf die Nutzerbindung von Computerspielen (Bachelorarbeit , 2017)
  • Analyse von Bandbreitenmessmethoden in Mobilen Netzen (Masterarbeit Informatik, 2016)
  • Alternative call metrics and their performance with support vector classifi ers in SPIT detection (Bachelorarbeit Informatik, 2016)
  • Benutzerorientierte Leistungsbewertung von virtuellen Arbeitsplatzumgebungen mittels Slow-Motion Benchmarking (Masterarbeit Informatik, 2015)