NDLI: A software-based redundancy concept for building automation networks

Content Provider	IEEE Xplore Digital Library
Author	Krammer, L. Bunyai, D. Kastner, W.
Copyright Year	2013
Description	Author affiliation: Autom. Syst. Group, Vienna Univ. of Technol., Vienna, Austria (Krammer, L.; Bunyai, D.; Kastner, W.)
Abstract	Reliability in automation networks is an important topic. Thus, redundant communication is fundamental in this context. In contrast to other automation domains, building automation networks facilitate Ethernet and IP communication and require reliable and predictable communication that are ideally based on standard network technologies. Since automation components are often based on commonly used operating systems, software-based solutions come into play. However, pure software-based solutions are inefficient and often infeasible due to limited processing resources. Thus, a hybrid redundancy concept is proposed that facilitates standard hardware components in combination with lightweight software modules. This paper presents a new redundancy mechanism for Ethernet networks based on a ring topology. This approach makes use of VLAN-capable Ethernet switches in combination with software modules for controlling the network traffic. Thereby, VLANs are used to provide physical redundancy by preventing from Ethernet loops. The proposed concept can therefore be used on different platforms and provides a transparent and reliable communication channel for automation applications. The concept is theoretically analyzed. Finally, a proof-of-concept shows the feasibility.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	5702
Ending Page	5709
File Size	441684
Page Count	8
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6700069
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	IP networks Redundancy Heart beat Automation Ports (Computers) Circuit faults
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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