Clustering Players for Load Balancing in Virtual Worlds

Rieche, Simon; Wehrle, Klaus; Fouquet, Marc; Niedermayer, Heiko; Teifel, Timo; Carle, Georg; Weingaertner, Elias; Schmidt, Florian; Heer, Tobias; Wehrle, Klaus; Rieche, Simon; Wehrle, Klaus; Fouquet, Marc; Niedermayer, Heiko; Teifel, Timo; Carle, Georg; Landsiedel, Olaf; Alizai, Muhammad Hamad; Wehrle, Klaus; vom Lehn, Hendrik; Weingaertner, Elias; Wehrle, Klaus; Heer, Tobias; Komu, Miika; Wehrle, Klaus; Heer, Tobias; Li, Shaohui; Wehrle, Klaus; Bitsch Link, Jó Agila; Wehrle, Klaus; Osechas, Okuary; Thiele, Johannes; Mallot, Hanspeter; Alizai, Muhammad Hamad; Landsiedel, Olaf; Wehrle, Klaus; Rieche, Simon; Wehrle, Klaus; Fouquet, Marc; Niedermayer, Heiko; Petrak, Leo; Carle, Georg; Steinmetz, Ralf; Wehrle, Klaus; Liebau, Nicolas; Landsiedel, Olaf; Heer, Tobias; Wehrle, Klaus; Landsiedel, Olaf; Pimenidis, Alexis; Wehrle, Klaus; Niedermayer, Heiko; Carle, Georg; Saragazki, Juri; Landsiedel, Olaf; Wehrle, Klaus; Schmitz, Stefan; Landsiedel, Olaf; Wehrle, Klaus; Garcia-Morchon, Oscar; Baldus, Heribert; Heer, Tobias; Wehrle, Klaus; Wehrle, Klaus; Rieche, Simon; Wehrle, Klaus; Petrak, Leo; Wrzodek, Clemens; Rieche, Simon; Fouquet, Marc; Niedermayer, Heiko; Petrak, Leo; Wehrle, Klaus; Carle, Georg; Landsiedel, Olaf; Bitsch Link, Jó Agila; Wehrle, Klaus; Thiele, Johannes; Mallot, Hanspeter

doi:10.1145/1453175.1453185

Klaus Wehrle (Professor)

Prof. Dr.-Ing. Klaus Wehrle

RWTH Aachen University
Chair of Communication and Distributed Systems (COMSYS, Informatik 4)
Ahornstraße 55, building E3, office 9011
D-52074 Aachen / Germany

Phone: (+49) 241/80-21402, Fax: (+49) 241/80-22222
Email: wehrle <at> comsys.rwth-aachen.de

Email / Exam Policy

Exam Dates and Procedure:

Dates for oral exams are offered biweekly, every second Wednesday from 3pm till 6pm.

If you plan to do an oral exam, please follow this procedure:

reserve a slot in advance at the COMSYS office (office(at)comsys.rwth-aachen.de) with mentioning your study program and the planned lectures to be examined. We will confirm the combination subsequently. Please download our examination sheet, fill it in, and keep it till you exam date.
confirm the exam slot latest four weeks ahead of your exam at the COMSYS office (office(at)comsys.rwth-aachen.de). but be sure, that you are well prepared for the exam at that time.
if you plan to have an oral exam with two professors, please check first the availability of slots with the ComSys office and then find a joint date with the other examiner. Then book the final date at the ComSys office.
after reserving a slot please register at ZPA (Central Exam Registry, Zentrales Prüfungsamt) for the oral exam! As for all other exams, a registration with ZPA is mandatory before the exam date. Note that on our examination sheet you have to sign that you are registered with ZPA.
bring the examination sheet with you on the exam day, and hand it over to us at the beginning of the exam.

For teaching related emails, please use the following mail address: teaching (at) comsys.rwth-aachen.de If you are looking for a second advisor (Zweitgutachter) for your Bachelor's / Master's thesis, please consult the following website.

For scientific, project or other research/universiy-related purposes,
please use the following address: wehrle (at) comsys.rwth-aachen.de

CV

Klaus Wehrle is Professor of Computer Science and Head of the Communication and Distributed Systems Group (Informatik 4) at RWTH Aachen University,
He received his diploma (1999) and his doctorate (Dr.-Ing., 2002) from the University of Karlsruhe (now KIT), both with distinction. His doctoral thesis on flexible and scalable Quality of Service mechanisms for the next generation Internet was awarded the Doctoral Dissertation Prize of Südwestmetall and the FZI Doctoral Dissertation Prize (Research Center for Information Technology, FZI).

In 2002 and 2003, Klaus was a postdoctoral fellow at the International Computer Science Institute at the University of California at Berkeley (UCB).
In 2004, he received a DFG Emmy Noether (starting) grant to establish a junior research group on protocol engineering and distributed systems at the University of Tübingen.
In 2006 he joined RWTH Aachen University as an associate professor, since 2010 as a full professor. From 2019 to 2022 he will be acting head of the Department of Computer Science at RWTH Aachen University.

His research activities focus on (but are not limited to) the engineering of network protocols, (formal) methods for protocol engineering and network analysis, network simulation, reliable communication software, and all operating system issues of networking.
His research is mainly funded by the German Research Foundation (DFG), the European Research Council (through an ERC CoG and an ERC PoC grant), the EU, the German government (BMBF, BMWi), the state of North Rhine-Westphalia (NRW), and industrial partners.
From 2015 to 2023 he was coordinating the DFG Priority Program on Cyber-Physical Networking.
He is a member of IEEE, ACM, Sigcomm, GI (Gesellschaft für Informatik), VDE and GI/ITG-Fachgruppe KuVS.
He was/is a member of several evaluation boards of the Alexander-von-Humboldt Foundation and serves as an elected representative for communication systems at the German Research Foundation (DFG).

Publications

2008
•	Simon Rieche, Klaus Wehrle, Marc Fouquet, Heiko Niedermayer, Timo Teifel, and Georg Carle Clustering Players for Load Balancing in Virtual Worlds Proceedings of 1st International Workshop on Massively Multiuser Virtual Environments at IEEE Virtual Reality 2008 (MMVE 2008) , page 9-13. March 2008 RWTH Aachen University - Distributed Systems Group http://www.pap.vs.uni-due.de/MMVE08/
•	Elias Weingaertner, Florian Schmidt, Tobias Heer, and Klaus Wehrle Synchronized network emulation: matching prototypes with complex simulations SIGMETRICS Performance Evaluation Review, 36(2):58-63 2008 ISSN: 0163-5999 DOI: 10.1145/1453175.1453185
•	Simon Rieche, Klaus Wehrle, Marc Fouquet, Heiko Niedermayer, Timo Teifel, and Georg Carle Clustering Players for Load Balancing in Virtual Worlds International Journal of Advanced Media and Communication (IJAMC), 2(4):351-363 RWTH Aachen University - Distributed Systems Group 2008 ISSN: 1462-4613 http://www.inderscience.c...se/index.php?journalID=67
•	Olaf Landsiedel, Muhammad Hamad Alizai, and Klaus Wehrle When Timing Matters: Enabling Time Accurate & Scalable Simulation of Sensor Network Applications Proceedings of the 7th ACM International Conference on Information Processing in Sensor Networks (IPSN 2008), St. Louis, MO, USA, page 344-354. Publisher: IEEE Computer Society, Washington, DC, USA 2008 ISBN: 978-0-7695-3157-1
•	Hendrik vom Lehn, Elias Weingaertner, and Klaus Wehrle Comparing recent network simulators: A performance evaluation study Technical Report Document number: AIB 2008-16 RWTH Aachen University, Ahornstr. 55, Aachen, Germany 2008
•	Tobias Heer, Miika Komu, and Klaus Wehrle End-Host Authentication for HIP Middleboxes (Version 1) Internet-Draft Document number: draft-heer-hip-midauth-01 Internet Engineering Task Force, 2008
2007
•	Tobias Heer, Shaohui Li, and Klaus Wehrle PISA: P2P Wi-Fi Internet Sharing Architecture Proceedings of the Seventh IEEE International Conference on Peer-to-Peer Computing, 2007. P2P 2007, Galway, Ireland. Volume 1, page 251-252. Publisher: IEEE, Washington, DC, USA September 2007 DOI: 10.1109/P2P.2007.12 ISBN: 978-0-7695-2986-8
•	Jó Agila Bitsch Link, Klaus Wehrle, Okuary Osechas, Johannes Thiele, and Hanspeter Mallot Ratpack: Using Sensor Networks for Animal Observation 6th GI/ITG KuVS Fachgespräch "Wireless Sensor Networks", Aachen, Germany Volume 2007-11of AIB, page 95 -- 97. GI/ITG Fachgruppe "Kommunikation und Verteilte Systeme" Publisher: RWTH Aachen University, Aachen, Germany July 2007
•	Muhammad Hamad Alizai, Olaf Landsiedel, and Klaus Wehrle Accurate Timing in Sensor Network Simulations RWTH Aachen, Aachen, Germany July 2007 https://www.ds-group.info...nts/fgsn07/fgsn07proc.pdf
•	Simon Rieche, Klaus Wehrle, Marc Fouquet, Heiko Niedermayer, Leo Petrak, and Georg Carle Peer-to-Peer-based Infrastructure Support for Massively Multiplayer Online Games Proceedings of 4th Annual IEEE Consumer Communications and Networking Conference (CCNC 2007) , page 763-767. IEEE Publisher: IEEE Press, January 2007 RWTH Aachen University - Distributed Systems Group DOI: 10.1109/CCNC.2007.155 ISBN: 1-4244-0667-6 http://www.ieee-ccnc.org/2007/
•	Ralf Steinmetz, Klaus Wehrle, and Nicolas Liebau Peer-to-Peer Systems (Editorial) Special Issue on Peer-to-Peer of the it - Information Technology Journal, 49(ISSN 0935-3232) 2007
•	Olaf Landsiedel, Tobias Heer, and Klaus Wehrle MHT: A Mobility-Aware Distributed Hash Table Special Issue on Peer-to-Peer of the it - Information Technology Journal, 49(5):298-303 2007 ISSN: 1611-2776
•	Olaf Landsiedel, Alexis Pimenidis, Klaus Wehrle, Heiko Niedermayer, and Georg Carle Dynamic Multipath Onion Routing in Anonymous Peer-To-Peer Overlay Networks IEEE Global Communication Conference (GlobeCom), Washington D.C. 2007
•	Juri Saragazki, Olaf Landsiedel, and Klaus Wehrle Simulation von plattformunabhängigen TinyOS-Applikationen mit ns-2 Proceedings of 6th GI/ITG KuVS Fachgespräch "Wireless Sensor Networks" Aachen, Germany 2007
•	Stefan Schmitz, Olaf Landsiedel, and Klaus Wehrle Smart Composition of Sensor Network Applications Proceedings of 6th GI/ITG KuVS Fachgespräch "Wireless Sensor Networks", Aachen Aachen, Germany 2007
•	Oscar Garcia-Morchon, Heribert Baldus, Tobias Heer, and Klaus Wehrle Cooperative Security in Distributed Sensor Networks Proceedings of the third International Conference on Collaborative Computing: Networking, Applications and Worksharing, CollaborateCom 2007 Volume 1of 1 IEEE Publisher: IEEE, Washington, DC, USA 2007 ISBN: 978-1-4244-1318-8
•	Klaus Wehrle 6. Fachgespräch Sensornetzwerke der GI/ITG Fachgruppe "Kommunikation und Verteilte Systeme" Proceedings of Workshop Document number: AIB 2007-11 Distributed Systems Group, RWTH Aachen University, Aachen, Germany 2007
2006
•	Simon Rieche, Klaus Wehrle, Leo Petrak, and Clemens Wrzodek Cerco: Supporting Range Queries with a Hierarchically Structured Peer-to-Peer System Proceedings of 31st IEEE Conference on Local Computer Networks (LCN 2006) , page 509-510. IEEE Publisher: IEEE Press, November 2006 RWTH Aachen University - Distributed Systems Group DOI: 10.1109/LCN.2006.322147 ISBN: 1-4244-0418-5 http://web.archive.org/we...8/http://www.ieeelcn.org/
•	Simon Rieche, Marc Fouquet, Heiko Niedermayer, Leo Petrak, Klaus Wehrle, and Georg Carle Peer-to-Peer-based Infrastructure Support for Massively Multiplayer Online Games Technical Report Document number: WSI-2006-04 RWTH Aachen University - Distributed Systems Group Wilhelm-Schickard-Institute for Computer Science, University of Tübingen, Tübingen, Germany August 2006
•	Olaf Landsiedel, Jó Agila Bitsch Link, Klaus Wehrle, Johannes Thiele, and Hanspeter Mallot Rat Watch: Using Sensor Networks for Animal Observation ACM Workshop on Real-World Wireless Sensor Networks (RealWSN) in conjunction with ACM MobiSys, Uppsala, Sweden Volume 1, page 1--2. ACM Publisher: SICS, Uppsala, Sweden June 2006 http://www.sics.se/realwsn06/program.html

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A small note for potential applicants

We are always looking for enthusiastic talent to join our group. As such, we also welcome unsolicited applications.
If you are considering to apply for a position as a researcher or PhD student within the COMSYS team, please submit your meaningful application as pdf to phd[[at]]comsys.rwth-aachen.de.
For PhD applications, we would at least expect a short CV, a transcript of records, and a motivation letter that describes your research interests and your motivation to pursue your PhD with us.

You can find more information on doing a PhD with us on a dedicated subpage.

Klaus Wehrle (Professor)

Email / Exam Policy

CV

Publications

2008

2007

2006

A small note for potential applicants