Deutsch Intern
Chair of Computer Science III

Alexej Grigorjew M. Sc.

Telefon (0931) 31-88233
Telefax (0931) 31-86632
E-Mail alexej.grigorjew@uni-wuerzburg.de
Raum A208

Anschrift

Lehrstuhl für Informatik III
Am Hubland
D-97074 Würzburg


Contents: Publications | Teaching | Projects 


Research Interests

  • Software-Defined Networks and Programmable Data Planes
  • Network Function Virtualization and Optimization
  • Time-Sensitive Networks, Deterministic Networking, and Predictable Latencies
  • Application-Aware Optimization of Network Behavior (e.g., Gaming Netcode, SDN Northbound API, Industrial PLCs)

 

Talks

 

White Papers

  • Asynchronous Traffic Shaping with Jitter Control [Download] (later published at Networking''22)
  • Technical Report on Bridge-Local Guaranteed Latency with Strict Priority Scheduling [Download] (later published at NoF'20)

 

Publications

2023[ to top ]
  • Developing a Library of Problem Scenarios for Time-Sensitive and Real-Time Networking. Grigorjew, Alexej; Vomhoff, Viktoria; Geißler, Stefan; Diederich, Philip; Hoßfeld, Tobias; Kellerer, Wolfgang. In International Conference on Networked Systems 2023 (NetSys). 2023.
  • Resilience in Time-Sensitive Networking: An Overview and Open Research Directions. Grigorjew, Alexej; Geißler, Stefan; Diederich, Philip; Hoßfeld, Tobias; Kellerer, Wolfgang. In 2023 13th International Workshop on Resilient Networks Design and Modeling (RNDM). 2023.
  • Accurate Live Visualization of Packet Delays, Inter-Arrival Times, and Burstiness for Real-Time Networks. Grigorjew, Alexej; Geißler, Stefan; Ziegler, Maximilian; Schumann, Lukas Kilian; Diederich, Philip; Hock, David; Hoßfeld, Tobias; Kellerer, Wolfgang. In International Conference on Networked Systems 2023 (NetSys). 2023.
  • On the Validity of Credit-Based Shaper Delay Guarantees in Decentralized Reservation Protocols. Maile, Lisa; Voitlein, Dominik; Grigorjew, Alexej; Hielscher, Kai-Steffen J.; German, Reinhard. In 31st International Conference on Real-Time Networks and Systems. 2023.
  • Understanding the Performance of Different Packet Reception and Timestamping Methods in Linux. Grigorjew, Alexej; Schumann, Lukas Kilian; Diederich, Philip; Hoßfeld, Tobias; Kellerer, Wolfgang. In WueWoWAS’23 KuVS Fachgespraech - Wuerzburg Workshop on Next-Generation Communication Networks. 2023.
2022[ to top ]
  • Affordable Measurement Setups for Networking Device Latency with Sub-Microsecond Accuracy. Grigorjew, Alexej; Diederich, Philip; Hoßfeld, Tobias; Kellerer, Wolfgang. In WueWoWAS’22 KuVS Fachgespraech - Wuerzburg Workshop on Next-Generation Communication Networks. 2022.
  • Constant Delay Switching: Asynchronous Traffic Shaping with Jitter Control. Grigorjew, Alexej; Metzger, Florian; Hoßfeld, Tobias; Specht, Johannes; Götz, Franz-Josef; Chen, Feng; Schmitt, Jürgen. In 2022 IFIP Networking Conference (IFIP Networking). 2022.
  • 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.
2021[ to top ]
  • ML-Assisted Latency Assignments in Time-Sensitive Networking. Grigorjew, Alexej; Seufert, Michael; Wehner, Nikolas; Hofmann, Jan; Hoßfeld, Tobias. In IFIP/IEEE International Symposium on Integrated Network Management (IM 2021). Bordeaux, France (Virtual Conference), 2021.
  • Dynamic Real-Time Stream Reservation with TAS and Shared Time Windows. Grigorjew, Alexej; Gray, Nicholas; Hoßfeld, Tobias. In 2nd International Workshop on Time-Sensitive and Deterministic Networking (TENSOR). 2021.
  • Distributed Implementation of Deterministic Networking in Existing Non-TSN Ethernet Switches. Grigorjew, Alexej; Baier, Christian; Metzger, Florian; Hoßfeld, Tobias. In Workshop on Time-sensitive and Deterministic Networking (TsDN). 2021.
2020[ to top ]
  • Bounded Latency with Bridge-Local Stream Reservation and Strict Priority Queuing. Grigorjew, Alexej; Metzger, Florian; Hoßfeld, Tobias; Specht, Johannes; Götz, Franz-Josef; Chen, Feng; Schmitt, Jürgen. In 11th International Conference on Network of the Future (NoF). 2020.
  • Poster: Per-Hop Bridge-Local Latency Bounds with Strict Priority Transmission Selection. Grigorjew, Alexej; Metzger, Florian; Hoßfeld, Tobias; Specht, Johannes; Götz, Franz-Josef; Chen, Feng; Schmitt, Jürgen. In IFIP Networking Conference. 2020.
2019[ to top ]
  • The Power of Composition: Abstracting a Multi-Device SDN Data Path Through a Single API. Geissler, Stefan; Herrnleben, Stefan; Bauer, Robert; Grigorjew, Alexej; Jarschel, Michael; Zinner, Thomas. In IEEE Transactions on Network and Service Management. 2019.
  • Gray, Nicholas, et al. "Highlighting the Gap Between Expected and Actual Behavior in P4-enabled Networks. Gray, Nicholas; Grigorjew, Alexej; Hoßfeld, Tobias; Shukla, Apoorv; Zinner, Thomas. In IFIP/IEEE Symposium on Integrated Network and Service Management (IM). 2019.
  • A Simulation of Asynchronous Traffic Shapers in Switched Ethernet Networks. Grigorjew, Alexej; Metzger, Florian; Hoßfeld, Tobias; Specht, Johannes. In Workshop for Advanced Communication Networks for Industrial Applications. 2019.
2018[ to top ]
  • Bridging the Gap Between Programming and Implementation of Networking Devices. Grigorjew, Alexej; Gray, Nicholas; Hoßfeld, Tobias; Shukla, Apoorv; Zinner, Thomas. In Student Workshop of the 14th International Conference on emerging Networking EXperiments and Technologies. 2018.
  • Performance Benchmarking of Network Function Chain Placement Algorithms. Grigorjew, Alexej; Lange, Stanislav; Zinner, Thomas; Tran-Gia, Phuoc. In 19th International GI/ITG Conference on Measurement, Modelling and Evaluation of Computing Systems (MMB). 2018.
2017[ to top ]
  • A Multi-Objective Heuristic for the Optimization of Virtual Network Function Chain Placement. Lange, Stanislav; Grigorjew, Alexej; Zinner, Thomas; Tran-Gia, Phuoc; Jarschel, Michael. In 29th International Teletraffic Congress (ITC). 2017.