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Rapid selection and dissemination of urgent messages over delay-tolerant networks (DTNs)
Linköpings universitet, Institutionen för datavetenskap, Programvara och system. Linköpings universitet, Tekniska högskolan. (Real-time Systems Laboratory)ORCID-id: 0000-0003-1916-3398
Linköpings universitet, Institutionen för datavetenskap, Programvara och system. Linköpings universitet, Tekniska högskolan. (Real-time Systems Laboratory)ORCID-id: 0000-0002-1485-0802
2015 (engelsk)Inngår i: Advances in Delay-Tolerant Networks (DTNs): Architecture and Enhanced Performance / [ed] J. Rodrigues, Elsevier, 2015, s. 187-203Kapittel i bok, del av antologi (Fagfellevurdert)
Abstract [en]

Today many new applications are emerging that take advantage of wireless communication in handheld and embedded devices. Some of these emerging applications, such as information sharing in vehicular systems, have strong requirements for timely message dissemination, even if the network is not always 100% connected. In this chapter we discuss message differentiation mechanisms that can be used in intermittently connected networks to improve delivery and latency properties when messages have a limited time to live in the network. We present a simulation-based study on a large-scale vehicular scenario comparing different prioritisation mechanisms for a partition-tolerant manycast protocol. We show that negative effects of overloads can be significantly reduced by using information within the message about how far it has spread and how much time is remaining.

sted, utgiver, år, opplag, sider
Elsevier, 2015. s. 187-203
Serie
Woodhead Publishing Series in Electronic and Optical Materials ; 67
Emneord [en]
Delay-tolerant networks, Vehicular, Message differentiation, Message delay
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-114292DOI: 10.1533/9780857098467.2.187ISBN: 978-0-85709-840-5 (tryckt)ISBN: 978-0-85709-846-7 (tryckt)OAI: oai:DiVA.org:liu-114292DiVA, id: diva2:788940
Tilgjengelig fra: 2015-02-17 Laget: 2015-02-17 Sist oppdatert: 2018-08-14bibliografisk kontrollert

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