Design of a Hybrid Genetic Algorithm for Time-Sensitive Networking

  • Anna ArestovaEmail author
  • Kai-Steffen Jens Hielscher
  • Reinhard German
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 12040)


With Time-Sensitive Networking (TSN), the IEEE 802.1 Task Group is extending the Ethernet standard by time-sensitive capabilities to establish a common ground for real-time communication systems via Ethernet. The Time-Sensitive Networking Task Group introduces a time-triggered transmission approach in IEEE 802.1Qbv to enable a deterministic transmission of time-critical network traffic, which requires scheduling strategies. Genetic algorithms are qualified to solve these scheduling problems in Time-Sensitive Networks. The difficulty is to design the genetic algorithm to find an optimal or a near-optimal solution for different complex problems taking performance and quality of the schedule into account. The complexity of schedules for TSN depends on the decision space of a network designer comprising the possibility to combine a variable number of network participants, a variable number of TSN flows, as well as assuming fixed or flexible routes for the flows. In this paper, we discuss a design approach for a hybrid genetic algorithm including chromosome representation for the routing and scheduling problems in TSN, the choice of genetic operators, and a neighborhood search to find a near-optimal solution. Additionally, we introduce an approach to compress the resulting schedules. Our evaluations show that the proposed hybrid genetic algorithm is able to compete with the well-adapted NEH algorithm in terms of schedule quality, and it outperforms the NEH algorithm regarding the computing time.


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Anna Arestova
    • 1
    Email author
  • Kai-Steffen Jens Hielscher
    • 1
  • Reinhard German
    • 1
  1. 1.Department of Computer Science 7, Computer Networks and Communication SystemsUniversity of Erlangen-NürnbergErlangenGermany

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