Hasso-Plattner-Institut Potsdam Operating Systems and Middleware Group at HPI University of Potsdam, Germany
Operating Systems and Middleware Group at HPI

Dependable Systems

Dr. Peter Tröger, Lena Herscheid

Summer 2014

Oral exams: July 21th - July 25th 2014, August 25th - August 29th 2014, September 5th 2014, October 10th 2014


Continous service provisioning is a key feature of modern hardware und software server systems. These systems achieve their level of user-perceived availability through a set of formal and technical approaches, commonly summarized under the term dependability.

Dependability is defined as the trustworthiness of hardware and software systems, so that reliance can be placed on the service they provide. The main dependability attributes commonly known and accepted are availability, reliability, safety, and security.

The Dependable Systems course gives an introduction into theoretical foundations, common building blocks and example implementations for dependable IT components and systems. The focus is on reliability and availability aspects of dependable systems, such as reliability analysis, fault tolerance, fault models or failure prediction. Amongst other things, the following topics are covered:

  • Dependability definitions and metrics
  • Design patterns for fault tolerance
  • Analytical evaluation of system dependability
  • Hardware dependability approaches
  • Software dependability approaches
  • Latest research topics



Students taking this course need to have basic knowledge in operating systems and middleware technology. On request of at least one participant, the course will be given in English. The course contains of two modules: Lectures and assignments. The pass-grading for 2 out of 3 assignments is the mandatory precondition for taking the oral exam. The final course grade is the oral exam grade.


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