Reference : Timing verification of real­time automotive Ethernet networks: what can we expect fro...
Scientific congresses, symposiums and conference proceedings : Unpublished conference
Engineering, computing & technology : Computer science
http://hdl.handle.net/10993/23457
Timing verification of real­time automotive Ethernet networks: what can we expect from simulation?
English
Navet, Nicolas mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC) >]
Seyler, Jan mailto [Streyler GbR]
Migge, Jörn mailto []
28-Jan-2016
12
Yes
International
Embedded Real-Time Software and Systems (ERTS 2016)
from 27-01-2016 to 29-01-2016
Toulouse
France
[en] Automotive Ethernet ; network latencies ; Schedulability analysis ; in-vehicle networking ; real-time Ethernet ; simulation
[en] Switched Ethernet is a technology that is profoundly reshaping automotive communication architectures as it did in other application domains such as avionics with the use of AFDX backbones. Early stage timing verification of critical embedded networks typically relies on simulation and worst-case schedulability analysis. When the modeling power of schedulability analysis is not sufficient, there are typically two options: either make pessimistic assumptions or ignore what cannot be modeled. Both options are unsatisfactory because they are either inefficient in terms of resource usage or potentially unsafe. To overcome those issues, we believe it is a good practice to use simulation models, which can be more realistic, along with schedulability analysis. The two basic questions that we aim to study here is what can we expect from simulation, and how to use it properly? This empirical study explores these questions on realistic case-studies and provides methodological guidelines for the use of simulation in the design of switched Ethernet networks. A broader objective of the study is to compare the outcomes of schedulability analyses and simulation, and conclude about the scope of usability of simulation in the design of critical Ethernet networks.
http://hdl.handle.net/10993/23457

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