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Supporting Multi-Hop Communications with HaRTES Ethernet Switches
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system. (IS (Embedded Systems))ORCID-id: 0000-0003-3469-1834
University of Aveiro, Portugal.
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system. (IS (Embedded Systems))ORCID-id: 0000-0002-1687-930X
University of Porto, Portugal.
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2013 (Engelska)Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

In this paper we identify the challenges of multi-hop communication when using a micro-segmented switched-Ethernet protocol with enhanced HaRTES switches. The HaRTES architecture has been explored in the scope of single-switch topology, and provides dynamic virtual channels that can be composed hierarchically and provide bounded latency together with temporal isolation. Herein we propose two different solutions regarding the traffic forwarding in multi-switch architectures, while maintaining the unique properties of the single HaRTES switch case. In the first approach, the traffic is buffered and scheduled sequentially in each hop. In the second solution the traffic is scheduled once and forwarded immediately through multiple switches without buffering. In this paper we present a brief comparison of both approaches and we report on the on-going work towards effective support to real-time communications in dynamic and complex Cyber-Physical Systems.

Ort, förlag, år, upplaga, sidor
2013.
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
URN: urn:nbn:se:mdh:diva-23312OAI: oai:DiVA.org:mdh-23312DiVA, id: diva2:679078
Konferens
IEEE Real-Time Systems Symposium Work-in-Progress (WiP) session, RTSS 2013, December 3-6, Vancouver, Canada
Projekt
PRESS - Predictable Embedded Software SystemsTillgänglig från: 2013-12-13 Skapad: 2013-12-10 Senast uppdaterad: 2016-11-01Bibliografiskt granskad

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Ashjaei, MohammadBehnam, MorisNolte, Thomas

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