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Redundant Topology Design Method for Schedule Traffic Transmission Based on IEEE802.1CB Standard: Optimizing NW-PSP Scheduling Performanceopen access

Authors
Han, Jun-YoungJeon, Young-HooKim, Hyeong-JunLee, Suk
Issue Date
Jan-2024
Publisher
Multidisciplinary Digital Publishing Institute (MDPI)
Keywords
no-wait packet scheduling problem; redundant topology; scheduled traffic; time sensitive networking; topology design
Citation
Electronics (Switzerland), v.13, no.1
Indexed
SCIE
SCOPUS
Journal Title
Electronics (Switzerland)
Volume
13
Number
1
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/69489
DOI
10.3390/electronics13010088
ISSN
2079-9292
2079-9292
Abstract
This study proposes a method for designing redundant topologies in time-sensitive networking to transmit scheduled traffic (ST) while considering fault tolerance. In general, redundant topologies enhance network fault tolerance and are used in safety-critical applications that demand high reliability. These applications place a premium on real-time network performance, necessitating the consideration of the quality of service for time-critical traffic during the redundant topology design process. The primary objective of this study is to optimize the flowspan, which pertained to the scheduling performance of the no-wait packet scheduling problem during the redundant topology design phase. Specifically, we introduced a methodology for designing topologies tailored to transmit ST using the IEEE802.1CB mechanism. Comparisons with existing topology design approaches revealed the ability of the proposed method to enhance network fault tolerance and yield a topology that reduced flowspan of ST, thereby freeing up bandwidth for time-critical traffic. © 2023 by the authors.
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