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Investigating and Optimising the DTLS Handshake over Wireless Links with High Error Rate and Low Data Rate

  • The Datagram Transport Layer Security (DTLS) protocol has been designed to provide end-to-end security over unreliable communication links. Where its connection establishment is concerned, DTLS copes with potential loss of protocol messages by implementing its own loss detection and retransmission scheme. However, the default scheme turns out to be suboptimal for links with high transmission errorThe Datagram Transport Layer Security (DTLS) protocol has been designed to provide end-to-end security over unreliable communication links. Where its connection establishment is concerned, DTLS copes with potential loss of protocol messages by implementing its own loss detection and retransmission scheme. However, the default scheme turns out to be suboptimal for links with high transmission error rates and low data rates, such as wireless links in electromagnetically harsh industrial environments. Therefore, in this paper, as a first step we provide an analysis of the standard DTLS handshake's performance under such adverse transmission conditions. Our studies are based on simulations that model message loss as the result of bit transmission errors. We consider several handshake variants, including endpoint authentication via pre-shared keys or certificates. As a second step, we propose and evaluate modifications to the way message loss is dealt with during the handshake, making DTLS deployable in situations which are prohibitive for default DTLS.show moreshow less

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Metadaten
Author:Andreas Walz, Muhammad Harris, Axel SikoraGND
Contributing Corporation:IEEE
Year of Publication:2018
Pagenumber:4
ISBN:978-1-5386-7587-8
Language:English
Parent Title (English):Proceedings of the 4th IEEE International Symposium on Wireless Systems within the International Conferences on Intelligent Data Acquisition and Advanced Computing Systems (IDAACS-SWS), 20-21 September 2018, Lviv, Ukraine
First Page:175
Last Page:178
Document Type:Conference Proceeding
Institutes:Hochschule Offenburg / Bibliografie
Release Date:2019/01/17
Licence (German):License LogoEs gilt das UrhG
DOI:https://doi.org/10.1109/IDAACS-SWS.2018.8525798