Managing latency in edge–cloud environment

Lubomír Bulej, Tomáš Bureš*, Adam Filandr, Petr Hnětynka, Iveta Hnětynková, Jan Pacovský, Gabor Sandor, Ilias Gerostathopoulos

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

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Modern Cyber–physical Systems (CPS) include applications like smart traffic, smart agriculture, smart power grid, etc. Commonly, these systems are distributed and composed of end-user applications and microservices that typically run in the cloud. The connection with the physical world, which is inherent to CPS, brings the need to operate and respond in real-time. As the cloud becomes part of the computation loop, the real-time requirements have to be also reflected by the cloud. In this paper, we present an approach that provides soft real-time guarantees on the response time of services running in cloud and edge–cloud (i.e., cloud geographically close to the end-user), where these services are developed in high-level programming languages. In particular, we elaborate a method that allows us to predict the upper bound of the response time of a service when sharing the same computer with other services. Importantly, as our approach focuses on minimizing the impact on the developer of such services, it does not require any special programming model nor limits usage of common libraries, etc.

Original languageEnglish
Article number110872
Pages (from-to)1-15
Number of pages15
JournalJournal of Systems and Software
Early online date23 Nov 2020
Publication statusPublished - Feb 2021


  • Cyber–physical systems
  • edge–cloud
  • Guaranteed latency


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