Publication: A Feasible Configuration of AFDX Networks for Real-Time Flows in Avionics Systems
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2013-12-03
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Universidad Carlos III de Madrid
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Abstract
AFDX (Avionics Full Duplex Switched Ethernet)
Networks have been proposed to meet unique ADN (Aircraft
Data Networks) characteristics and then standardized as a Part
7 in ARNIC 664. As for this new communication technology, some
research works have been conducted to address design issues such
as optimizing virtual links as well as analytic modeling including
response time. Despite of their research efforts, configuration
problem for both MTU (Maximum Transmission Unit) and BAG
(Bandwidth Allocation Gap) over virtual links in AFDX networks
remains unsolved yet. In this paper, we propose how to set MTU
and BAG value on each virtual link according to both application
requirements and AFDX switch constraints. We define a new
problem of feasible configurations of virtual links in an AFDX
switch and propose an algorithm to derive feasible BAG and MTU
pairs based on the branch-and-bound technique. Throughout
simulations, we evaluate the proposed algorithm and analyze the
effect of parameters in AFDX networks.
Description
REACTION 2013. 2nd International Workshop on Real-time and distributed computing in emerging applications. December 3rd, 2013, Vancouver, Canada.
Keywords
Sistemas en tiempo real, Sistemas distribuidos, Cloud computing, AFDX, Avionics, Real-time networks
Bibliographic citation
REACTION 2013, co-located with IEEE RTSS. Vancouver, Canada. December 3rd, 2013. Universidad Carlos III de Madrid, 2013, pp. 19-24.