Torsten Braun Computer Networks Distributed Systems University of

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern Torsten Braun Institute of Computer Science and Applied Mathematics Universität Bern braun@iam. unibe. ch September 12, 2006

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern > > 12‘ 000 students Main faculties — — — Law Economics and Social Sciences Medicine Humanities Human Sciences Science (1950 students) – – – Computer Science (230 + 170 students) Mathematics Physics Chemistry Geo Sciences Biology September 12, 2006 2

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern IAM Research Groups Theoretical Computer Science and Logic (Jäger) Computational Geometrie and Graphics (Bieri) Computer Networks and Distributed Systems (Braun) Software Composition (Nierstrasz) September 12, 2006 Computer Visions and Artificial Intelligence (Bunke) 3

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern Teaching > Bachelor Lectures — Computer Networks — Operating Systems > Master Lectures — Sensor Networks — Mobile Communications — Multimedia Communications September 12, 2006 4

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern Research Topics Multimedia Communications Overlay Networks / P 2 P Multicast Wireless Networks Wireless Sensor Networks MICS Wireless Mesh Networks Distance Learning Security Architectures for Distributed Laboratories Content Production September 12, 2006 5

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern E-Learning > Distance Learning: On-line lectures including practical exercises — VITELS (computer networks), www. vitels. ch — OSlab (operating systems), www. oslab. ch > Mobile Learning September 12, 2006 6

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern Overlay Networks > Peer-to-Peer Multicast — IP Multicast applications overlay networks (www. euqos. org) > Overlay Creation and Quality-of-Service (Qo. S) — End-to-End Distance / Qo. S estimation based on clustering — Construction of efficient overlay network structures > TBD: mobility Internet Overlay connections September 12, 2006 7

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern Wireless Mesh Networks > > Configuration and Management of Wireless Mesh Networks (WMN) Multi-Path Transmission of Multimedia Data over WMNs Internet Wireless Mesh Router End systems Base station September 12, 2006 8

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern Wireless Sensor Networks Intensity-based Object Localization and Tracking > Implementation & Evaluation of Medium Access Control Protocols > Transport Protocols > Management > sink Internet user sensor nodes September 12, 2006 9

Torsten Braun: Computer Networks & Distributed Systems @ University of Bern Related Research Interests > > > Mobile multimedia applications and communication systems Multimedia applications and services in wireless mesh networks Mobile Peer-to-Peer Systems Management of wireless sensors and mesh nodes Context-sensitive applications and location-based services Sensor network applications and communication systems September 12, 2006 10