Intern
Lehrstuhl für Informatik III

Dr. rer. nat. Christian Moldovan

 

Sep 2018 - Sep 2020

Dissertation:

Performance Modeling of Mobile Video Streaming

Publications

2022[ to top ]
  • An Introduction to Online Video Game QoS and QoE Influencing Factors. Metzger, Florian; Geißler, Stefan; Grigorjew, Alexej; Loh, Frank; Moldovan, Christian; Seufert, Michael; Hoßfeld, Tobias. In IEEE Communications Surveys & Tutorials. 2022.
2020[ to top ]
  • Optimizing HAS for 360-Degree Videos. Moldovan, Christian; Loh, Frank; Seufert, Michael; Hoßfeld, Tobias. In 5th IEEE/IFIP International Workshop on Analytics for Network and Service Management (AnNet). Budapest, Hungary, 2020.
  • Don’t Stop the Music: Crowdsourced QoE Assessment of Music Streaming with Stalling. Schwind, Anika; Moldovan, Christian; Janiak, Tim; Dworschak, Nemo-Dario; Hoßfeld, Tobias. In 12th International Conference on Quality of Multimedia Experience (QoMEX). Athlone, Ireland, 2020.
  • Is the Uplink Enough? Estimating Video Stalls from Encrypted Network Traffic. Loh, Frank; Wamser, Florian; Moldovan, Christian; Zeidler, Bernd; Tsilimantos, Dimitrios; Valentin, Stefan; Hoßfeld, Tobias. In 32th IEEE/IFIP Network Operations and Management Symposium. Budapest, Hungary, 2020.
2019[ to top ]
  • Contributions to TF "Managing Web & Cloud QoE". Moldovan, Christian. 13th Qualinet General Meeting, Berlin, Germany, 2019, June 4.
  • User Behavior and Engagement of a Mobile Video Streaming User from Crowdsourced Measurements. Moldovan, Christian. Berlin, Germany, 2019, June.
  • From click to playback: a dataset to study the response time of mobile YouTube. Loh, Frank; Wamser, Florian; Moldovan, Christian; Zeidler, Bernd; Hoßfeld, Tobias; Tsilimantos, Dimitrios; Valentin, Stefan. In Proceedings of the 10th ACM Multimedia Systems Conference, pp. 267–272. 2019.
  • User Behavior and Engagement of a Mobile Video Streaming User from Crowdsourced Measurements. Moldovan, Christian; Wamser, Florian; Hoßfeld, Tobias. In 2019 Eleventh International Conference on Quality of Multimedia Experience (QoMEX). 2019.
  • Energy-Efficient Adaptation Logic for HTTP Streaming in Mobile Networks. Moldovan, Christian. 2019 International Conference on Networked Systems (NetSys), Garching, Germany, 2019, March 20.
  • Peeking under the Hood – How the Measurement Setup Influences the Video Streaming Behavior. Schwind, Anika; Janiak, Lea; Moldovan, Christian; Wamser, Florian; Hoßfeld, Tobias. In The 3rd International Workshop on Quality of Experience Management (QoE-Management 2019). Paris, France, 2019.
  • Energy-Efficient Adaptation Logic for HTTP Streaming in Mobile Networks. Moldovan, Christian; Wamser, Florian; Hoßfeld, Tobias. In 2019 International Conference on Networked Systems (NetSys). 2019.
2018[ to top ]
  • Optimal Fairness and Quality in Video Streaming With Multiple Users. Moldovan, Christian. 30th International Teletraffic Congress (ITC 30), Vienna, Austria, 2018, September 4.
  • Optimal Fairness and Quality in Video Streaming With Multiple Users. Moldovan, Christian; Skorin-Kapov, Lea; Heegaard, Poul E.; Hoßfeld, Tobias. In 30th International Teletraffic Congress (ITC 30), p. 6. Vienna, Austria, 2018.
  • The Value of Context-Awareness in Bandwidth-Challenging HTTP Adaptive Streaming Scenarios. Liotou, Eirini; Hoßfeld, Tobias; Moldovan, Christian; Metzger, Florian; Tsolkas, Dimitris; Passas, Nikos. In Autonomous Control for a Reliable Internet of Services: Methods, Models, Approaches, Techniques, Algorithms, and Tools, I. Ganchev, R. D. van der Mei, H. van den Berg (eds.). Springer International Publishing, 2018.
  • Practical QoE Evaluation of Adaptive Video Streaming. Surminski, Sebastian; Moldovan, Christian; Hoßfeld, Tobias. In Proceedings of the 19th International Conference on Measurement, Modelling and Evaluation of Computing Systems (MMB). Erlangen, Germany, 2018.
  • Towards Machine Learning-Based Optimal HAS. Sieber, Christian; Hagn, Korbinian; Moldovan, Christian; Hoßfeld, Tobias; Kellerer, Wolfgang. In arXiv preprint arXiv:1808.08065. 2018.
2017[ to top ]
  • Viability of Wi-Fi Caches in an Era of HTTPS Prevalence. Moldovan, Christian. 2017 IEEE International Conference on Communications Workshops (ICC Workshops), Paris, France, 2017, May 25.
  • Viability of Wi-Fi Caches in an Era of HTTPS Prevalence. Moldovan, Christian; Burger, Valentin; Metzger, Florian; Surminski, Sebastian; Hoßfeld, Tobias. In 2017 IEEE International Conference on Communications Workshops (ICC Workshops). Paris, France, 2017.
  • Keep Calm and Don’t Switch: About the Relationship Between Switches and Quality in HAS. Moldovan, Christian. Genoa, Italy, 2017, September 8.
  • Saving Bandwidth by Limiting the Buffer Size in HTTP Adaptive Streaming. Surminski, Sebastian; Moldovan, Christian; Hoßfeld, Tobias. In MMBnet 2017 Proceedings of the 9th GI/ITG Workshop. Hamburg, Germany, 2017.
  • Keep Calm and Don’t Switch: About the Relationship Between Switches and Quality in HAS. Moldovan, Christian; Hagn, Korbinian; Sieber, Christian; Kellerer, Wolfgang; Hoßfeld, Tobias. In 29th International Teletraffic Congress (ITC 29), p. 6. Genoa, Italy, 2017.
  • Applicability and Limitations of a Simple WiFi Hotspot Model for Cities. Seufert, Michael; Moldovan, Christian; Burger, Valentin; Hoßfeld, Tobias. In 13th International Conference on Network and Service Management (CNSM). Tokio, Japan, 2017.
2016[ to top ]
  • Modeling the YouTube Stack: from Packets to Quality of Experience. Wamser, Florian; Casas, Pedro; Seufert, Michael; Moldovan, Christian; Tran-Gia, Phuoc; Hoßfeld, Tobias. In Computer Networks, 109(2), pp. 211–224. 2016.
  • Impact of Variances on the QoE in Video Streaming. Moldovan, Christian. ITC and IEEE Workshop on QoE Centric Management (QCMan), Würzburg, Germany, 2016, September 16.
  • YouTube Can Do Better: Getting the Most Out of Video Adaptation. Moldovan, Christian. ITC and IEEE Workshop on QoE Centric Management (QCMan), Würzburg, Germany, 2016, September 16.
  • Bridging the Gap between QoE and User Engagement in HTTP Video Streaming. Moldovan, Christian. 28th International Teletraffic Congress (ITC 28), Würzburg, Germany, 2016, September 14.
  • Bridging the Gap between QoE and User Engagement in HTTP Video Streaming. Moldovan, Christian; Metzger, Florian. In 28th International Teletraffic Congress (ITC 28). 2016.
  • QoE in Video Streaming - Example: Context Awareness. Moldovan, Christian. ITG 5.2.1 Workshop Performance Evaluation and Optimisation of Communication Networks, Hamburg, Germany, 2016, August 31.
  • Enriching HTTP adaptive streaming with context awareness: A tunnel case study. Liotou, Eirini; Hoßfeld, Tobias; Moldovan, Christian; Metzger, Florian; Tsolkas, Dimitris; Passas, Nikos. In IEEE International Conference on Communications Workshops (ICC). 2016.
  • TCP video streaming and mobile networks: Not a love story, but better with context. Metzger, Florian; Liotou, Eirini; Moldovan, Christian; Hoßfeld, Tobias. In Computer Networks, 109, pp. 246–256. 2016.
  • YouTube Can Do Better: Getting the Most Out of Video Adaptation. Moldovan, Christian; Sieber, Christian; Heegaard, Poul E.; Kellerer, Wolfgang; Hoßfeld, Tobias. In ITC and IEEE Workshop on QoE Centric Management (QCMan). 2016.
  • Impact of Variances on the QoE in Video Streaming. Moldovan, Christian; Hoßfeld, Tobias. In ITC and IEEE Workshop on QoE Centric Management (QCMan). 2016.
2015[ to top ]
  • Utilizing Home Router Caches to Augment CDNs towards Information-Centric Networking. Seufert, Michael; Burger, Valentin; Wamser, Florian; Tran-Gia, Phuoc; Moldovan, Christian; Hoßfeld, Tobias. In European Conference on Networks and Communications (EuCNC). Paris, France, 2015.
  • To Each According to his Needs: Dimensioning Video Buffer for Specific User Profiles and Behavior. Moldovan, Christian. Third IFIP/IEEE International Workshop on Quality of Experience Centric Management, Ottawa, Canada, 2015, May 11.
  • To Each According to his Needs: Dimensioning Video Buffer for Specific User Profiles and Behavior. Hoßfeld, Tobias; Moldovan, Christian; Schwartz, Christian. In Third IFIP/IEEE International Workshop on Quality of Experience Centric Management. Ottawa, Canada, 2015.