distributed computer systems


News: Next deadline: July 12
Level: Bachelor (89-4111) / Master (89-4271)
Contact: M.Sc. Matthias Schäfer
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Important Dates

Kick-off Meeting: April 25, 5:15pm
Registration (FCFS): April 26, 4am - 11:59pm
Visualization Mock-up: May 19, 11:59pm
Visualization Draft: June 9, 11:59pm
Report & Presentation Draft: June 30, 11:59pm
Final Visualization, Report, Presentation: July 7, 11:59pm
Presentation Day: July 12

Presentation Day

Each seminar participant will give a talk which should not exceed 30 minutes. In these 30 minutes, the students should a) present their topic and b) give a short demonstration of their visualization.

The presentations will be held in room 36-232 (AG Hagen) starting from 9am. The tentative schedule for the presentation day is as follows:

ID Student Title
09:00-10:30: Performance
P1 Sriharsha EC-Cache: Load-Balanced, Low-Latency Cluster Caching with Online Erasure Coding
P3 Johannes Update or Wait: How to Keep Your Data Fresh
P5 Markus Silo: Predictable Message Latency in the Cloud
10:45-12:15: Security
S2 Marco Fingerprinting Wi-Fi Devices Using Software Defined Radios
S3 Philipp ARMageddon: Cache Attacks on Mobile Devices
S5 David Leave Your Phone at the Door: Side Channels that Reveal Factory Floor Secrets


In order to participate in this year's seminar, you have to register. The registration will open on April 26, at 4am and will close on the same day at 11:59pm. No registrations will be accepted after the registration deadline has passed. There are 10 topics available and the registration is on a first-come first-served basis. As soon as the 10 topics are gone, the registration will be closed. However, if there are no topics available anymore, you can send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. to get on the waiting list. Please include your three favorite topics and your study program in your email. Please also go through the introduction slides before registering. You can register for the seminar here:

Seminar Registration (only from within the Uni network/VPN)


The DISCO group offers a seminar with focus on performance and security aspects of communication networks this summer. You will be able to practice working on current research literature, presenting a scientific topic and your programming ability. The latter is crucial for your grade as all presentations have to be supported by an interactive visualization of an important aspect of your paper.

Here is the list of papers for this year's seminar. Note that this list is tentative and may be subject to changes:

ID Author(s) and Title Student Supervisor PDF
P1 Rashmi et al.: "EC-Cache: Load-Balanced, Low-Latency Cluster Caching with Online Erasure Coding" Sriharsha Daniel PDF
P2 Ghaderi: "Randomized Algorithms for Scheduling VMs in the Cloud" Manish Paul PDF
P3 Sun et al.: "Update or Wait: How to Keep Your Data Fresh" Johannes Paul PDF
P4 Zhu et al.: "PriorityMeister: Tail Latency QoS for Shared Networked Storage"   Steffen PDF
P5 Jang et al.: "Silo: Predictable Message Latency in the Cloud" Markus Steffen PDF
S1 Bultel et al.: "A Prover-Anonymous and Terrorist-Fraud Resistant Distance-Bounding Protocol" Sachinkumar Carolina PDF
S2 Vo-Huu et al.: "Fingerprinting Wi-Fi Devices Using Software Defined Radios" Marco Carolina PDF
S3 Lipp et al.: "ARMageddon: Cache Attacks on Mobile Devices" Philipp Daniel PDF
S4 Karapanos et al.: "Sound-Proof: Usable Two-Factor Authentication Based on Ambient Sound" Simon Matthias PDF
S5 Hojjati et al.: "Leave Your Phone at the Door: Side Channels that Reveal Factory Floor Secrets" David Matthias PDF


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