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MTU Configuration for Real-Time Switched Ethernet Networks
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- Ashjaei, Mohammad (author)
- Mälardalens högskola,Inbyggda system
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- Behnam, Moris (author)
- Mälardalens högskola,Inbyggda system
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- Almeida, Luis (author)
- Mälardalens högskola,Inbyggda system,University of Porto, Porto, Portugal
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- (creator_code:org_t)
- Elsevier BV, 2016
- 2016
- English.
- In: Journal of systems architecture. - : Elsevier BV. - 1383-7621 .- 1873-6165. ; 70, s. 15-25
- Journal article (peer-reviewed)
Abstract
Subject headings
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- In this paper, we show that in real-time switched Ethernet networks reducing the Maximum Transmission Unit (MTU) size may cause an increase or decrease in the response time of messages. This contradicting behavior arises an optimization problem for configuring the MTU size. We formulate the optimization problem in the context of the multi-hop HaRTES architecture, which is a hard real-time Ethernet protocol. As part of the solution, we propose a search-based algorithm to achieve optimum solutions. We modify the algorithm by presenting two techniques to reduce the search space. Then, we propose a heuristic algorithm with a pseudo-polynomial time complexity based on the search-based algorithm. We perform several experiments, and we show that the proposed heuristic results in an improvement regarding messages response times, compared with configuring the MTU to the maximum or minimum values. Moreover, we show in small network configurations that the heuristic performs as good as the search-based algorithm in many cases.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Datorsystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Computer Systems (hsv//eng)
Keyword
- Switched Ethernet
- HaRTES
- Response time analysis
- MTU
- Optimization
Publication and Content Type
- ref (subject category)
- art (subject category)
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