Study on the Level of Confidence for Roll-back Recovery with Checkpointing

Research output: Contribution to conferencePaper, not in proceeding


Increasing soft error rates for semiconductor devices manufactured in later technologies enforces the use of fault tolerant techniques such as Roll-back Recovery with Checkpointing (RRC). However, RRC introduces time overhead that increases the completion (execution) time. For non-real-time systems, research have focused on optimizing RRC and shown that it is possible to find the optimal number of checkpoints such that the average execution time is minimal. While minimal average execution time is important, it is for real-time systems important to provide a high probability of meeting given deadlines. Hence, there is a need of probabilistic guarantees that jobs employing RRC complete before a given deadline. Therefore, in this paper we present a mathematical framework for the evaluation of level of confidence, the probability that a given deadline is met, when RRC is employed.


External organisations
  • External Organization - Unknown
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Electrical Engineering, Electronic Engineering, Information Engineering
Original languageEnglish
Publication statusPublished - 2011
Publication categoryResearch
Externally publishedYes
Event1st Intl. Workshop on Dependability Issues in Deep-submicron Technologies (DDT 2011) - Trondheim, Norway
Duration: 2011 May 27 → …


Conference1st Intl. Workshop on Dependability Issues in Deep-submicron Technologies (DDT 2011)
Period2011/05/27 → …