Publications‎ > ‎

Conference Articles

2017
[P124] Tobias Hoßfeld, Markus Fiedler, and Jörgen Gustafsson. “Betas: Deriving Quantiles from
MOS-QoS Relations of IQX Models for QoE Management”. IFIP/IEEE International
Workshop on Quality of Experience Management (QoE-Management 2017). IEEE. Lis-
bon, Portugal, 2017.

[P125] Andri Lareida, Tobias Hoßfeld, and Burkhard Stiller. “The BitTorrent Peer Collector
Problem”. IFIP/IEEE International Symposium on Integrated Network Management 2017.
IEEE. Lisbon, Portugal, 2017.

2016
[P123] Tobias Hoßfeld, Lea Skorin-Kapov, Poul E Heegaard, Martın Varela, and Kuan-Ta Chen.
“On Additive and Multiplicative QoS-QoE Models for Multiple QoS Parameters”. 5th
ISCA/DEGA Workshop on Perceptual Quality of Systems (PQS 2016). 2016.

[P122] Eirini Liotou, Tobias Hoßfeld, Christian Moldovan, Florian Metzger, Dimitris Tsolkas,
and Nikos Passas. “Enriching HTTP adaptive streaming with context awareness: A tunnel
case study”. IEEE International Conference on Communications Workshops (ICC 2016).
IEEE. 2016, pp. 1–6.

[P121] Florian Metzger, Albert Rafetseder, Christian Schwartz, and Tobias Hoßfeld. “Games
and frames: A strange tale of qoe studies”. Eighth International Conference on Quality of
Multimedia Experience (QoMEX 2016). Lisbon, Portugal, 2016.

[P120] Christian Moldovan and Tobias HoßFeld. “Impact of Variances on the QoE in Video
Streaming”. ITC and IEEE Workshop on QoE Centric Management (QCMan 2016), co-
located at 28th International Teletraffic Congress (ITC 28). Vol. 3. IEEE. 2016, pp. 19–
24.

[P119] Christian Moldovan, Christian Sieber, Poul Heegaard, Wolfgang Kellerer, and Tobias
HoßFeld. “YouTube Can Do Better: Getting the Most Out of Video Adaptation”. ITC
and IEEE Workshop on QoE Centric Management (QCMan 2016), co-located at 28th
International Teletraffic Congress (ITC 28). Vol. 3. IEEE. 2016, pp. 7–12.

[P118] Andreas Sackl, Raimund Schatz, Tobias Hossfeld, Florian Metzger, David Lister, and Ralf
Irmer. “QoE Management made uneasy: The case of Cloud Gaming”. IEEE Workshop on
Quality of Experience-based Management for Future Internet Applications and Services
(QoE-FI), co-located with IEEE International Conference on Communications Workshops
(ICC 2016). IEEE. 2016, pp. 492–497.

[P117] Michael Seufert and Tobias Hoßfeld. “One Shot Crowdtesting: Approaching the Extremes
of Crowdsourced Subjective Quality Testing”. 5th ISCA/DEGA Workshop on Perceptual
Quality of Systems (PQS 2016). 2016, pp. 122–126.

[P116] Michael Seufert, Tobias Hoßfeld, Anika Schwind, Valentin Burger, and Phuoc Tran-Gia.
“Group-based communication in WhatsApp”. Internet of People Workshop at IFIP Net-
working Conference (IFIP Networking 2016). IEEE. 2016, pp. 536–541.

[P115] Michael Seufert, Ondrej Zach, Tobias Hoßfeld, Martin Slanina, and Phuoc Tran-Gia. “Im-
pact of test condition selection in adaptive crowdsourcing studies on subjective quality”.
Eighth International Conference on Quality of Multimedia Experience (QoMEX 2016).
IEEE. Lisbon, Portugal, 2016, pp. 1–6.

[P114] Christian Sieber, Poul Heegaard, Tobias Hoßfeld, and Wolfgang Kellerer. “Sacrificing effi-
ciency for quality of experience: YouTube’s redundant traffic behavior”. IFIP Networking
Conference (IFIP Networking 2016). IEEE. 2016, pp. 503–511.

2015
[P113] 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 

[P112] 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.

[P111] 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.

[P110] 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.

[P109] Florian Metzger, Christoph Steindl, and Tobias Hoßfeld. “A Simulation Framework for Evaluating the QoS and QoE of TCP-based Streaming in an LTE Network”. 27th International Teletraffic Congress (ITC). Ghent, Belgium, Sept. 2015.

[P108] Michael Seufert, Valentin Burger, Florian Wamser, Phuoc Tran-Gia, Christian Moldovan, and Tobias Hoßfeld. “Utilizing Home Router Caches to Augment CDNs toward Information-Centric Networking”. European Conference on Networks and Communications (EuCNC). Paris, France, June 2015.

[P107] Tobias Hoßfeld and Markus Fiedler. “The Unexpected QoE Killer: When the Network Emulator Misshapes Traffic and QoE”. 7th International Workshop on Quality of Multimedia Experience (QoMEX 2015). Costa Navarino, Greece, May 2015.

[P106] Tobias Hoßfeld, Poul Heegaard, and Martin Varela. “QoE beyond the MOS: Added Value Using Quantiles and Distributions”. 7th International Workshop on Quality of Multimedia Experience (QoMEX 2015). Costa Navarino, Greece, May 2015.

[P105] Tobias Hoßfeld, Christian Moldovan, and Christian Schwartz. “To Each According to his Needs: Dimensioning Video Buffer for Specific User Profiles and Behavior”. QCMAN 2015 - Third IFIP/IEEE International Workshop on Quality of Experience Centric Management. Ottawa, Canada, May 2015.

[P104] Tobias Hoßfeld and Judith Redi. “Journey through the crowd: Best Practices and Recommendations for Crowdsourced QoE”. 7th International Workshop on Quality of Multimedia Experience (QoMEX 2015). Costa Navarino, Greece, May 2015.

[P103] Tobias Hoßfeld, Lea Skorin-Kapov, Yoram Haddad, Peter Pocta, Vasilios A. Siris, Andrej Zgank, and Hugh Melvin. “Can context monitoring improve QoE? A case study of video flash crowds in the Internet of Services”. QCMAN 2015 - Third IFIP/IEEE International Workshop on Quality of Experience Centric Management. Ottawa, Canada, May 2015.

[P102] Peter Reichl, Sebastian Egger, Sebastian Möller, Kalevi Kilkki, Markus Fiedler, Tobias Hoßfeld, Christos Tsiaras, and Alemnew Asrese. “Towards a comprehensive framework for QoE and user behavior modelling”. 7th International Workshop on Quality of Multimedia Experience (QoMEX 2015). Costa Navarino, Greece, May 2015.

[P101] Martin Varela, Lea Skorin-Kapov, Toni Mäki, and Tobias Hoßfeld. “QoE in the Web: A Dance of Design and Performance”. 7th International Workshop on Quality of Multimedia Experience (QoMEX 2015). Costa Navarino, Greece, May 2015.

2014
[P100] Tobias Hoßfeld, Matthias Hirth, Pavel Korshunov, Philippe Hanhart, Bruno Gardlo, Christian Keimel, and Christian Timmerer. “Survey of Web-based Crowdsourcing Frameworks for Subjective Quality Assessment”. 16th International Workshop on Multimedia Signal Processing. Jakarta, Indonesia, Sept. 2014.

[P99] Tobias Hoßfeld, Michael Seufert, Christian Sieber, and Thomas Zinner. “Assessing Effect Sizes of Influence Factors Towards a QoE Model for HTTP Adaptive Streaming”. 6th International Workshop on Quality of Multimedia Experience (QoMEX). Singapore, Sept. 2014.

[P98] Christian Schwartz, Matthias Hirth, Tobias Hoßfeld, and Phuoc Tran-Gia. “Performance Model for Waiting Times in Cloud File Synchronization Services”. 26th International Teletraffic Congress (ITC). Karlskrona, Sweden, Sept. 2014.

[P97] Krzysztof Wajda, Rafal Stankiewicz, Zbigniew Dulinski, Tobias Hoßfeld, Michael Seufert, David Hausheer, Matthias Wichtlhuber, Ioanna Papafili, Manos Dramitinos, Paolo Cruschelli, Sergios Soursos, Roman Lapacz, and Burkhard Stiller. “Socially-aware Management of New Overlay Applications Traffic - The Optimization Potentials of the SmartenIT Approach”. 6th International Conference on Mobile Networks and Management (MONAMI). Würzburg, Germany, Sept. 2014.

[P96] Matthias Hirth, Sven Scheuring, Tobias Hoßfeld, Christian Schwartz, and Phuoc Tran-Gia. “Predicting Result Quality in Crowdsourcing Using Application Layer Monitoring”. 5th International Conference on Communications and Electronics (ICCE 2014). Da Nang, Vietnam, July 2014.

[P95] Florian Metzger, Christian Schwartz, and Tobias Hoßfeld. “GTP-based Load Model and Virtualization Gain for a Mobile Network’s GGSN”. 5th International Conference on Communications and Electronics. Da Nang, Vietnam, July 2014.

[P94] Simon Oechsner, Boris Bellalta, Desislava Dimitrova, and Tobias Hoßfeld. “Visions and Challenges for Sensor Network Collaboration in the Cloud”. The Eighth International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS-2014). Birmingham, UK, July 2014.

[P93] Valentin Burger, Matthias Hirth, Christian Schwartz, and Tobias Hoßfeld. “Increasing the Coverage of Vantage Points in Distributed Active Network Measurements by Crowdsourcing”. Measurement, Modelling and Evaluation of Computing Systems (MMB 2014). Bamberg, Germany, Mar. 2014.

[P92] Tobias Hoßfeld, Raimund Schatz, and Udo Krieger. “QoE of YouTube Video Streaming for Current Internet Transport Protocols”. Measurement, Modelling and Evaluation of Computing Systems (MMB 2014). Bamberg, Germany, Mar. 2014.

2013
[P91] Michael Seufert, Karl Lorey, Matthias Hirth, and Tobias Hoßfeld. “Gamification Framework for Personalized Surveys on Relationships in Online Social Networks”. 1st International Workshop on Crowdsourcing and Gamification in the Cloud (CGCloud). Dresden, Germany, Dec. 2013.

[P90] Christian Schwartz, Marc Scheib, Tobias Hoßfeld, Phuoc Tran-Gia, and Jose Manuel Gimenez-Guzman. “Trade-Offs for Video-Providers in LTE Networks: Smartphone Energy Consumption Vs Wasted Traffic”. 22nd International Teletraffic Congress Specialist Seminar on Energy Efficient and Green Networking. Christchurch, New Zealand, Nov. 2013.

[P89] Judith Redi, Tobias Hossfeld, Pavel Korshunov, Filippo Mazza, Isabel Povoa, and Christian Keimel. “Crowdsourcing-based multimedia subjective evaluations: a case study on image recognizability and aesthetic appeal”. ACM CrowdMM 2013. Barcelona, Spain, Oct. 2013.

[P88] Michael Seufert, Valentin Burger, and Tobias Hoßfeld. “HORST - Home Router Sharing based on Trust”. Workshop on Social-aware Economic Traffic Management for Overlay and Cloud Applications (SETM 2013). Zurich, Switzerland, Oct. 2013.

[P87] Philipp Amrehn, Karel Vandenbroucke, Tobias Hoßfeld, Katrien de Moor, Matthias Hirth, Raimund Schatz, and Pedro Casas. “Need for Speed? On Quality of Experience for File Storage Services”. 4th International Workshop on Perceptual Quality of Systems (PQS 2013). Vienna, Austria, Sept. 2013.

[P86] Valentin Burger, Tobias Hoßfeld, David Garcia, Michael Seufert, Ingo Scholtes, and David Hock. “Resilience in Enterprise Social Networks”. Workshop Sozioinformatik 2013. Koblenz, Germany, Sept. 2013.

[P85] Andreas Sackl, Michael Seufert, and Tobias Hoßfeld. “Asking Costs Little? The Impact of Tasks in Video QoE Studies on User Behavior and User Ratings”. 4th International Workshop on Perceptual Quality of Systems (PQS 2013). Vienna, Austria, Sept. 2013.

[P84] Christian Schwartz, Frank Lehrieder, Florian Wamser, Tobias Hoßfeld, and Phuoc Tran-Gia. “Smart-Phone Energy Consumption Vs. 3G Signaling Load: The Influence of Application Traffic Patterns”. Tyrrhenian International Workshop 2013 on Digital Communications: Green ICT. Genova, Italy, Sept. 2013.

[P83] Michael Seufert, George Darzanos, Valentin Burger, Ioanna Papafili, and Tobias Hoßfeld. “Socially-Aware Traffic Management”. Workshop Sozioinformatik 2013. Koblenz, Germany, Sept. 2013.

[P82] Martin Varela, Toni Mäki, Lea Skorin-Kapov, and Tobias Hoßfeld. “Increasing Payments in Crowdsourcing: Don’t look a gift horse in the mouth”. 4th International Workshop on Perceptual Quality of Systems (PQS 2013). Vienna, Austria, Sept. 2013.

[P81] Martin Varela, Toni Mäki, Lea Skorin-Kapov, and Tobias Hoßfeld. “Towards an understanding of visual appeal in website design”. Fifth International Workshop on Quality of Multimedia Experience (QoMEX 2013). Klagenfurt, Austria, July 2013.

[P80] Christian Sieber, Tobias Hoßfeld, Thomas Zinner, Phuoc Tran-Gia, and Christian Timmerer. “Implementation and User-centric Comparison of a Novel Adaptation Logic for DASH with SVC”. IFIP/IEEE International Workshop on Quality of Experience Centric Management (QCMan). Ghent, Belgium, May 2013.

[P79] Pedro Casas, Raimund Schatz, and Tobias Hoßfeld. “Monitoring YouTube QoE - Is Your Mobile Network Delivering the Right Experience to your Customers?” IEEE Wireless Communications and Networking Conference (WCNC 2013). Shanghai, China, Apr. 2013.

[P78] Haye Hinrichsen, Tobias Hoßfeld, Matthias Hirth, and Phuoc Tran-Gia. “Entropy Production in Stationary Social Networks”. 4th Workshop on Complex Networks (CompleNet 2013). Berlin, Germany, Mar. 2013.

[P77] Tobias Hoßfeld, Dominik Strohmeier, Alexander Raake, and Raimund Schatz. “Pippi Longstocking Calculus for Temporal Stimuli Pattern on YouTube QoE”. 5th ACM Workshop on Mobile Video (MoVid 2013). Oslo, Norway, Feb. 2013.

2012
[P76] Valentin Burger, Frank Lehrieder, Tobias Hoßfeld, and Jan Seedorf. “Who Profits from Peer-to-Peer File-Sharing? Traffic Optimization Potential in BitTorrent Swarms”. International Teletraffic Congress (ITC 24). Krakow, Poland, Sept. 2012.

[P75] Thomas Zinner, Dominik Klein, and Tobias Hoßfeld. “User-Centric Network-Application Interaction for Live HD Video Streaming”. 4th International Conference on Mobile Networks and Management (MONAMI 2012). Hamburg, Germany, Sept. 2012.

[P74] Matthias Hirth, Frank Lehrieder, Stephan Oberste-Vorth, Tobias Hoßfeld, and Phuoc Tran-Gia. “Wikipedia and its Network of Authors from a Social Network Perspective”. International Conference on Communications and Electronics (ICCE). Hue, Vietnam, Aug. 2012.

[P73] Sebastian Egger, Tobias Hoßfeld, Raimund Schatz, and Markus Fiedler. “Waiting Times in Quality of Experience for Web Based Services”. QoMEX 2012. Yarra Valley, Australia, July 2012.

[P72] Bruno Gardlo, Michal Ries, Tobias Hoßfeld, and Raimund Schatz. “Microworkers vs. Facebook: The Impact of Crowdsourcing Platform Choice on Experimental Results”. QoMEX 2012. Yarra Valley, Australia, July 2012.

[P71] Tobias Hoßfeld, Sebastian Egger, Raimund Schatz, Markus Fiedler, Kathrin Masuch, and Charlott Lorentzen. “Initial Delay vs. Interruptions: Between the Devil and the Deep Blue Sea”. QoMEX 2012. Yarra Valley, Australia, July 2012.

[P70] Raimund Schatz, Tobias Hoßfeld, and Pedro Casas. “Passive YouTube QoE Monitoring for ISPs”. Best Paper Award at Workshop on Future Internet and Next Generation Networks (FINGNet-2012). Palermo, Italy, July 2012.

[P69] Sebastian Egger, Peter Reichl, Tobias Hoßfeld, and Raimund Schatz. “Time is Bandwidth? Narrowing the Gap between Subjective Time Perception and Quality of Experience”. 2012 IEEE International Conference on Communications (ICC 2012). Ottawa, Canada, June 2012.

[P68] Bruno Gardlo, Michal Ries, and Tobias Hoßfeld. “Impact of Screening Technique on Crowdsourcing QoE Assessments”. 22nd International Conference Radioelektronika 2012, Special Session on Quality in multimedia systems. Brno, Czech Republic, Apr. 2012.

[P67] Thomas Zinner, Florian Liers, Tobias Hoßfeld, Dirk Rauscher, Bernd Reuther, Daniel Günther, Thomas Volkert, and Markus Fiedler. “Prospects for Realizing User-Centric Network Orchestration: FEC-protected SVC Streaming”. 7. GI/ITG KuVS Fachgespräch ’Future Internet’. München, Germany, Jan. 2012.

2011
[P66] Tobias Hoßfeld, Raimund Schatz, Michael Seufert, Matthias Hirth, Thomas Zinner, and Phuoc Tran-Gia. “Quantification of YouTube QoE via Crowdsourcing”. IEEE International Workshop on Multimedia Quality of Experience - Modeling, Evaluation, and Directions (MQoE 2011). Dana Point, CA, USA, Dec. 2011.

[P65] Tobias Hoßfeld, Florian Liers, Thomas Volkert, and Raimund Schatz. “FoG and Clouds: Optimizing QoE for YouTube”. KuVS 5thGI/ITG KuVS Fachgespräch NG Service Delivery Platforms. Munich, Germany, Oct. 2011.

[P64] Tobias Hoßfeld, Matthias Hirth, and Phuoc Tran-Gia. “Modeling of Crowdsourcing Platforms and Granularity of Work Organization in Future Internet”. International Teletraffic Congress (ITC 23). San Francisco, USA, Sept. 2011.

[P63] Tobias Hoßfeld, Raimund Schatz, Sebastian Biedermann, Alexander Platzer, Sebastian Egger, and Markus Fiedler. “The Memory Effect and Its Implications on Web QoE Modeling”. 23rd International Teletraffic Congress (ITC 23). San Francisco, USA, Sept. 2011.

[P62] Tobias Hoßfeld, Raimund Schatz, and Sebastian Egger. “SOS: The MOS is not enough!” QoMEX 2011. Mechelen, Belgium, Sept. 2011.

[P61] Matthias Hirth, Tobias Hoßfeld, and Phuoc Tran-Gia. “Anatomy of a Crowdsourcing Platform - Using the Example of Microworkers.com”. Workshop on Future Internet and Next Generation Networks (FINGNet). Seoul, Korea, June 2011.

[P60] Matthias Hirth, Tobias Hoßfeld, and Phuoc Tran-Gia. “Cost-Optimal Validation Mechanisms and Cheat-Detection for Crowdsourcing Platforms”. Workshop on Future Internet and Next Generation Networks (FINGNet). Seoul, Korea, June 2011.

[P59] Tobias Hoßfeld, Markus Fiedler, and Thomas Zinner. “The QoE Provisioning-Delivery-Hysteresis and Its Importance for Service Provisioning in the Future Internet ”. Proceedings of the 7th Conference on Next Generation Internet Networks (NGI). Kaiserslautern, Germany, June 2011.

[P58] Michael Jarschel, Daniel Schlosser, Sven Scheuring, and Tobias Hoßfeld. “An Evaluation of QoE in Cloud Gaming Based on Subjective Tests”. Workshop on Future Internet and Next Generation Networks (FINGNet-2011). Seoul, Korea, June 2011.

[P57] Rafal Stankiewicz, Piotr Cholda, Jerzy Domzal, Robert Wojcik, Tobias Hoßfeld, Thomas Zinner, Simon Oechsner, and Frank Lehrieder. “Influence of traffic management solutions on Quality of Experience for prevailing overlay applications ”. Proceedings of the 7th Conference on Next Generation Internet Networks (NGI). Kaiserslautern, Germany, June 2011.

2010
[P56] Daniel Schlosser, Michael Jarschel, Michael Duelli, Tobias Hoßfeld, Klaus Hoffmann, Marco Hoffmann, Hans Jochen Morper, Dan Jurca, and Ashiq Khan. “A Use Case Driven Approach to Network Virtualization”. accepted at IEEE Kaleidoscope 2010, published via OPUS Würzburg under OpenAccess. Würzburg, Germany, Dec. 2010.

[P55] Piotr Cho lda, Jerzy Domza l, Robert Wójcik, Rafa l Stankiewicz, Frank Lehrieder, Tobias Hoßfeld, Simon Oechsner, and Vlad Singeorzan. “Performance Evaluation of P2P Caches: Flash-Crowd Case”. Australasian Telecommunication Networks and Applications Conference (ATNAC) 2010. Auckland, New Zealand, Nov. 2010.

[P54] Frank Lehrieder, György Dán, Tobias Hoßfeld, Simon Oechsner, and Vlad Singeorzan. “The Impact of Caching on BitTorrent-like Peer-to-peer Systems”. 10th IEEE International Conference on Peer-to-Peer Computing 2010 - IEEE P2P 2010. Best Paper Award, Delft, the Netherlands, Aug. 2010.

[P53] Frank Lehrieder, Simon Oechsner, Tobias Hoßfeld, Zoran Despotovic, Wolfgang Kellerer, and Maximilian Michel. “Can P2P-Users Benefit from Locality-Awareness?” 10th IEEE International Conference on Peer-to-Peer Computing 2010 - IEEE P2P 2010. Delft, the Netherlands, Aug. 2010.

[P52] Thomas Zinner, Oliver Hohlfeld, Osama Abboud, and Tobias Hoßfeld. “Impact of Frame Rate and Resolution on Objective QoE Metrics”. International Workshop on Quality of Multimedia Experience, 2010. Trondheim, June 2010.

[P51] Thomas Zinner, Tobias Hoßfeld, Tahir Nawaz Minash, and Markus Fiedler. “Controlled vs. Uncontrolled Degradations of QoE - The Provisioning-Delivery Hysteresis in Case of Video”. New Dimensions in the Assessment and Support of Quality of Experience (QoE) for Multimedia Applications. Tampere, June 2010.

[P50] D. Schlosser, M. Hoffmann, T. Hoßfeld, M. Jarschel, A. Kirstaedter, W. Kellerer, and S. Köhler. “COMCON: Use Cases for Virtual Future Networks”. TridentCom 2010. Berlin, May 2010.

[P49] Markus Fiedler and Tobias Hoßfeld. “Quality of Experience-Related Differential Equations and Provisioning-Delivery Hysteresis”. to 21st ITC Specialist Seminar on Multimedia Applications - Traffic, Performance and QoE. Phoenix Seagaia Resort, Miyazaki, Japan, Mar. 2010.

[P48] Simon Oechsner, Thomas Zinner, Jochen Prokopetz, and Tobias Hoßfeld. “Supporting Scalable Video Codecs in a P2P Video-on-Demand Streaming System”. 21th ITC Specialist Seminar on Multimedia Applications - Traffic, Performance and QoE. Miyazaki, Jap, Mar. 2010.

[P47] Thomas Zinner, Osama Abboud, Oliver Hohlfeld, Tobias Hoßfeld, and Phuoc Tran-Gia. “Towards QoE Management for Scalable Video Streaming”. 21th ITC Specialist Seminar on Multimedia Applications - Traffic, Performance and QoE. Miyazaki, Jap, Mar. 2010.

2009
[P46] Tobias Hoßfeld, Kenji Leibnitz, and Akihiro Nakao. “Modeling of Modern Router Architectures Supporting Network Virtualization”. 2nd International Workshop on the Network of the Future (FutureNet II) in conjunction with IEEE GLOBECOM 2009. Honolulu, Hawaii, Dec. 2009.

[P45] Burkhard Stiller, David Hausheer, Tobias Hoßfeld, Antonio Liotta, Spiros Spirou, and Martin Waldburger. “A Discussion of Socio-economic Management and Incentives for the Future Internet”. 2nd International Workshop on the Network of the Future (FutureNet II) in conjunction with IEEE GLOBECOM 2009. Honolulu, Hawaii, Dec. 2009.

[P44] Andreas Berl, Hermann de Meer, and Tobias Hoßfeld. “P2P Solutions for Cellular Networks”. International Conference on Advances in P2P Systems (AP2PS 2009). Sliema, Malta, Oct. 2009.

[P43] Simon Oechsner, Frank Lehrieder, Tobias Hoßfeld, Florian Metzger, Konstantin Pussep, and Dirk Staehle. “Pushing the Performance of Biased Neighbor Selection through Biased Unchoking”. 9th International Conference on Peer-to-Peer Computing. Seattle, USA, Sept. 2009.

[P42] Tomasz Ciszkowski, Wojciech Mazurczyk, Zbigniew Kotulski, Tobias Hoßfeld, Markus Fiedler, and Denis Collange. “Towards Quality of Experience-based Reputation Models for Future Web Service Provisioning”. Future Internet Architectures: New Trends in Service Architectures (2nd Euro-NF Workshop). Santander, Spain, June 2009. 

[P41] Simon Oechsner, Tobias Hoßfeld, and Phuoc Tran-Gia. “Performance Evaluation of a Distributed Lookup System for a Virtual Database Server”. 20th ITC Specialist Seminar. Hoi An, Vietnam, May 2009.

[P40] Daniel Schlosser and Tobias Hoßfeld. “Service Oriented Network Framework Enabling Global QoS and Network Virtualization”. ITC SS 2009. Hoi An, May 2009.

2008
[P39] Tobias Hoßfeld and Kenji Leibnitz. “Performance Modeling of Data Aggregation in Wireless Sensor Networks”. 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, Dec. 2008.

[P38] Simon Oechsner, Sergios Soursos, Ioanna Papafili, Tobias Hoßfeld, George D. Stamoulis, Burkhard Stiller, Maria Angeles Callejo, and Dirk Staehle. “A framework of economic traffic management employing self-organization overlay mechanisms”. IWSOS’08. Vienna, Austria, Dec. 2008.

[P37] Thomas Zinner, Tobias Hoßfeld, Simon Oechsner, and Phuoc Tran-Gia. “On the Trade-off between Efficiency and Congestion in Location-aware Overlay Networks - Example of a Vertical Handover Support System”. Eighth International Conference on Peer-to-Peer Computing (P2P 2008). Aachen, Germany, Sept. 2008.

[P36] Burkhard Stiller and Tobias Hoßfeld. “Modeling of P2P-based Video Streaming”. Joint EC-GIN, EMANICS, and SmoothIT Workshop Economic Traffic Management. Zurich, Switzerland, Aug. 2008.

[P35] Juan Pedro Fernandez-Palacios Gimenez, Maria Angeles Callejo Rodriguez, Hasan Hasan, Tobias Hoßfeld, Dirk Staehle, Zoran Despotovic, Wolfgang Kellerer, Konstantin Pussep, Ionna Papafili, George D. Stamoulis, and Burkhard Stiller. “A New Approach for Managing Traffic of Overlay Applications of the SmoothIT Project”. 2nd International Conference on Autonomous Infrastructure, Management and Security (AIMS 2008). Bremen, Germany, July 2008.

[P34] Tobias Hoßfeld and Kenji Leibnitz. “A Qualitative Measurement Survey of Popular Internet-based IPTV Systems”. Second International Conference on Communications and Electronics (HUT-ICCE 2008). Hoi An, Vietnam, June 2008. 

[P33] Tobias Hoßfeld, Kenji Leibnitz, and Marie-Ange Remiche. “Exact Sojourn Time Distribution in an Online IPTV Recording Service”. 15th International Conference on Analytical and Stochastic Modelling Techniques and Applications (ASMTA 2008). Nicosia, Cyprus, June 2008.

[P32] Tobias Hoßfeld, David Hock, Phuoc Tran-Gia, Kurt Tutschku, and Markus Fiedler. “Testing the IQX Hypothesis for Exponential Interdependency between QoS and QoE of Voice Codecs iLBC and G.711”. 18th ITC Specialist Seminar on Quality of Experience. Karlskrona, Sweden, May 2008.

[P31] Barbara Staehle, Tobias Hoßfeld, Norbert Vicari, and Matthias Kuhnert. “A Cross-Layer Approach for Enabling Low Duty Cycled ZigBee Mesh Sensor Networks”. International Symposium on Wireless Pervasive Computing 2008. Santorini, Greece, May 2008.

2007
[P30] Tobias Hoßfeld and Kenji Leibnitz. “Performance Evaluation of an IPTV Recording Service”. 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, Dec. 2007.

[P29] Michael Duelli, Tobias Hoßfeld, and Dirk Staehle. “Impact of Vertical Handovers on Cooperative Content Distribution Systems”. Seventh IEEE International Conference on Peer-to-Peer Computing (P2P2007). Best Student Paper, Galway, Ireland, Sept. 2007, pp. 177–184.

[P28] Barbara Staehle, Tobias Hoßfeld, Matthias Kuhnert, and Norbert Vicari. “Enabling the Sleep Mode in Non-beaconed 802.15.4 Multihop Networks - A Simulative Investigation”. 6. GI/ITG KuVS Fachgespr¨ ach Drahtlose Sensornetze. Aachen, Germany, July 2007.

[P27] Kolja Eger, Tobias Hoßfeld, Andreas Binzenhöfer, and Gerald Kunzmann. “Efficient Simulation of Large-Scale P2P Networks: Packet-level vs. Flow-level Simulations”. 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, June 2007.

[P26] Tobias Hoßfeld and Kenji Leibnitz. “Modeling and Evaluation of an Online TV Recording Service”. Ninth annual workshop on mathematical performance modeling and analysis MAMA2007, in conjunction with ACM SIGMETRICS ’07 and FCRC ’07. San Diego, CA, USA, June 2007.

[P25] Tobias Hoßfeld, Phuoc Tran-Gia, and Markus Fiedler. “Quantification of Quality of Experience for Edge-Based Applications”. 20th International Teletraffic Congress (ITC20). Ottawa, Canada, June 2007.

[P24] Kenji Leibnitz, Tobias Hoßfeld, Naoki Wakamiya, and Masayuki Murata. “Peer-to-Peer vs. Client/Server: Reliability and Efficiency of a Content Distribution Service”. 20th International Teletraffic Congress (ITC20). Ottawa, Canada, June 2007. 

[P23] Andreas Binzenhöfer, Tobias Hoßfeld, Gerald Kunzmann, and Kolja Eger. “Efficient Simulation of Large-Scale P2P Networks: Compact Data Structures”. Workshop on Modeling, Simulation and Optimization of Peer-to-peer environments (MSOP2P) in conjunction with Euromicro (PDP 2007). Naples, Italy, Feb. 2007.

[P22] Gerald Kunzmann, Robert Nagel, Tobias Hoßfeld, Andreas Binzenhöfer, and Kolja Eger. “Efficient Simulation of Large-Scale P2P Networks: Modeling Network Transmission Times”. Workshop on Modeling, Simulation and Optimization of Peer-to-peer environments (MSOP2P) in conjunction with Euromicro (PDP 2007). Naples, Italy, Feb. 2007.

2006
[P21] Daniel Schlosser, Tobias Hoßfeld, and Kurt Tutschku. “Comparison of Robust Cooperation Strategies for P2P Content Distribution Networks with Multiple Source Download”. Sixth IEEE International Conference on Peer-to-Peer Computing (P2P2006). Cambridge, UK, Sept. 2006.

[P20] Frank-Uwe Andersen, Kurt Tutschku, Tobias Hoßfeld, and Simon Oechsner. “Verlässliche Peer-to-Peer Technologie als Steuerungsverfahren für zukünftige mobile Zugangsnetze”. 11. ITG-Mobilfunktagung, Technologien und Anwendungen, ISBN 3-8007-2942-3. Osnabrück, Germany, May 2006.

[P19] Tobias Hoßfeld, Andreas Mäder, and Dirk Staehle. “When Do We Need Rate Control for Dedicated Channels in UMTS?” 2006 IEEE 63rd Vehicular Technology Conference. Melbourne, Australia, May 2006.

[P18] Simon Oechsner, Tobias Hoßfeld, Kurt Tutschku, and Frank-Uwe Andersen. “Supporting Vertical Handover by a Self-Organizing Multi-Dimensional P2P Overlay”. 2006 IEEE 63rd Vehicular Technology Conference. Melbourne, Australia, May 2006.

[P17] Rastin Pries, Tobias Hoßfeld, and Phuoc Tran-Gia. “On the Suitability of the Short Message Service for Emergency Warning Systems”. 2006 IEEE 63rd Vehicular Technology Conference. Melbourne, Australia, May 2006.

[P16] Tobias Hoßfeld, Simon Oechsner, Kurt Tutschku, and Frank-Uwe Andersen. “Evaluation of a Pastry-based P2P Overlay for Supporting Vertical Handover”. IEEE Wireless Communications and Networking Conference. Las Vegas, NV, USA, Apr. 2006, p. 6.

[P15] Tobias Hoßfeld, Simon Oechsner, Kurt Tutschku, Frank-Uwe Andersen, and Luca Caviglione. “Supporting Vertical Handover by Using a Pastry Peer-to-Peer Overlay Network”. Mobile Peer-to-Peer Computing MP2P’06, in conjunction with the 4th IEEE International Conference on Pervasive Computing and Communications (PerCom’06). Pisa, Italy, Mar. 2006.

[P14] Kenji Leibnitz, Tobias Hoßfeld, Naoki Wakamiya, and Masayuki Murata. “On Pollution in eDonkey-like Peer-to-Peer File-Sharing Networks”. 13th GI/ITG Conference on Measurement, Modeling, and Evaluation of Computer and Communication Systems, MMB2006. Nürnberg, Germany, Mar. 2006.

[P13] Simon Oechsner, Tobias Hoßfeld, Kurt Tutschku, Frank-Uwe Andersen, and Luca Caviglione. “Using Kademlia for the Configuration of B3G Radio Access Nodes”. Mobile Peer-to-Peer Computing MP2P’06, in conjunction with the 4th IEEE International Conference on Pervasive Computing and Communications (PerCom’06). Pisa, Italy, Mar. 2006.

[P12] Tobias Hoßfeld, Andreas Binzenhöfer, Markus Fiedler, and Kurt Tutschku. “Measurement and Analysis of Skype VoIP Traffic in 3G UMTS Systems”. 4th International Workshop on Internet Performance, Simulation, Monitoring and Measurement (IPS-MoMe 2006). Salzburg, Austria, Feb. 2006.

[P11] Andreas Mäder, Bartosz Wagner, Tobias Hoßfeld, Dirk Staehle, and Hans Barth. “Measurements in a Laboratory UMTS Network with time-varying Loads and different Admission Control Strategies”. 4th International Workshop on Internet Performance, Simulation, Monitoring and Measurement. Salzburg, Austria, Feb. 2006.

[P10] Kenji Leibnitz, Tobias Hoßfeld, Naoki Wakamiya, and Masayuki Murata. “Modeling of Epidemic Diffusion in Peer-to-Peer File-Sharing Networks”. The Second International Workshop on Biologically Inspired Approaches to Advanced Information Technology, Bio-ADIT 2006, LNCS 3853. Senri Life Science Center, Osaka, Japan, Jan. 2006. 

[P9] Tobias Hoßfeld, Andreas M¨ ader, Kurt Tutschku, and Frank-Uwe Andersen. “Time-Discrete Analysis of the Crawling Strategy in an Optimized Mobile P2P Architecture”. EuroNGI Workshop on. Loveno di Menaggio, Como, Italy, 2006.

2005
[P8] Tobias Hoßfeld, Andreas Mäder, Kurt Tutschku, Phuoc Tran-Gia, Frank-Uwe Andersen, Hermann de Meer, and Ivan Dedinski. “Comparison of Crawling Strategies for an Optimized Mobile P2P Architecture”. 19th International Teletraffic Congress (ITC19). Beijing, China, Sept. 2005.

[P7] Tobias Hoßfeld, Kurt Tutschku, Frank-Uwe Andersen, Hermann de Meer, and Jens Oberender. “Simulative Performance Evaluation of a Mobile Peer-to-Peer File-Sharing System”. Next Generation Internet Networks NGI2005. Rome, Italy, Apr. 2005. 

[P6] Tobias Hoßfeld, Kurt Tutschku, and Frank-Uwe Andersen. “Mapping of File-Sharing onto Mobile Environments: Feasibility and Performance of eDonkey with GPRS”. WCNC 2005. New Orleans, LA USA, Mar. 2005.

[P5] Tobias Hoßfeld, Kurt Tutschku, and Frank-Uwe Andersen. “Mapping of File-Sharing onto Mobile Environments: Enhancement by UMTS”. Mobile Peer-to-Peer Computing MP2P, in conjunction with the 3rd IEEE International Conference on Pervasive Computing and Communications (PerCom’05). Kauai Island, Hawaii, Mar. 2005.

[P4] Tobias Hoßfeld, Kurt Tutschku, and Daniel Schlosser. “Influence of the Size of Swapping Entities in Mobile P2P File-Sharing Networks”. Peer-to-Peer-Systeme und -Anwendungen. GI/ITG-Workshop in Kooperation mit KiVS 2005, Kaiserslautern, Mar. 2005.

[P3] Tobias Hoßfeld and Dirk Staehle. “A Hybrid Model of the UMTS Downlink Capacity with WWW Traffic on Dedicated Channels”. Mobile and Wireless Systems, LNCS 3427. Dagstuhl, Germany, Jan. 2005, pp. 20–35.

[P2] Jens Oberender, Frank-Uwe Andersen, Hermann de Meer, Ivan Dedinski, Tobias Hoßfeld, Cornelia Kappler, Andreas Mäder, and Kurt Tutschku. “Enabling Mobile Peer-to-Peer Networking”. Mobile and Wireless Systems, LNCS 3427. Dagstuhl, Germany, Jan. 2005.

2004
[P1] Tobias Hoßfeld, Kenji Leibnitz, Rastin Pries, Kurt Tutschku, Phuoc Tran-Gia, and Krzysztof Pawlikowski. “Information Diffusion in eDonkey Filesharing Networks”. ATNAC 2004. Sydney, Australia, Dec. 2004, p. 8.