Team Veridis

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Application Domains
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Section: Application Domains

Application Domains

Our work focuses on distributed algorithms and protocols. These are or will be found at all levels of computing infrastructure, from many-core processors and systems-on-chip to wide-area networks. We are particularly interested in novel paradigms, for example ad-hoc networks that underly mobile and low-power computing or overlay networks and peer-to-peer networking that provide services for telecommunication or cloud computing services. Distributed protocols underly computing infrastructure that must be highly available and mostly invisible to the end user, therefore correctness is important. One should note that standard problems of distributed computing such as consensus, group membership or leader election have to be reformulated for the dynamic context of these modern systems. We are not ourselves experts in the design of distributed algorithms, but work together with domain experts on the modeling and verification of these protocols. These cooperations help us focus on concrete algorithms and ensure that our work is relevant to the distributed algorithm community.

Formal verification techniques that we study can contribute to certify the correctness of systems. In particular, they help assert under which assumptions an algorithm or system functions as required. For example, the highest levels of the Common Criteria for Information Technology Security Evaluation require code analysis, based on mathematically precise foundations. While initially the requirements of certified development have mostly been restricted to safety-critical systems, they are becoming more and more common due to the cost associated with malfunctioning system components and software.