parametric sensitivity
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2022 ◽  
Author(s):  
Michael W. Lee ◽  
Aaron Burkhead ◽  
Derek Dalle ◽  
Heather Houlden

Sensors ◽  
2021 ◽  
Vol 21 (24) ◽  
pp. 8427
Author(s):  
Inés Álvarez ◽  
Manuel Barranco ◽  
Julián Proenza

The Time-Sensitive Networking (TSN) Task Group has standardised different mechanisms to provide Ethernet with hard real-time guarantees and reliability in layer 2 of the network architecture. Specifically, TSN proposes using space redundancy to increase the reliability of Ethernet networks, but using space redundancy to tolerate temporary faults is not a cost-effective solution. For this reason, we propose to use time redundancy to tolerate temporary faults in the links of TSN-based networks. Specifically, in previous works we proposed the Proactive Transmission of Replicated Frames (PTRF) mechanism to tolerate temporary faults in the links. Now, in this work we present a series of models of TSN and PTRF developed using PRISM, a probabilistic model checker that can be used to evaluate the reliability of systems. After that, we carry out a parametric sensitivity analysis of the reliability achievable by TSN and PTRF and we show that we can increase the reliability of TSN-based networks using PTRF to tolerate temporary faults in the links of TSN networks. This is the first work that presents a quantitative analysis of the reliability of TSN networks.


2021 ◽  
Author(s):  
Amelie Herzog ◽  
Basile Hector ◽  
Jean‐Martial Cohard ◽  
Jean‐Michel Vouillamoz ◽  
Fabrice Messan Amene Lawson ◽  
...  

2021 ◽  
Vol 383 ◽  
pp. 111427
Author(s):  
Yupeng Yang ◽  
Yong Li ◽  
Chenglong Wang ◽  
Tao Wang ◽  
Zhike Lan ◽  
...  

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