Towards Real-Time Middleware for Applications of Vehicular Ad Hoc Networks

Applications of inter-vehicle and vehicle-to-roadside communication that make use of vehicular ad hoc networks (VANETs) will often require reliable communication that provides guaranteed real-time message propagation. This paper describes an event-based middleware, called RT-STEAM, designed to meet...

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Bibliographic Details
Published inDistributed Applications and Interoperable Systems pp. 1 - 13
Main Authors Meier, René, Hughes, Barbara, Cunningham, Raymond, Cahill, Vinny
Format Book Chapter Conference Proceeding
LanguageEnglish
Published Berlin, Heidelberg Springer Berlin Heidelberg 2005
Springer
SeriesLecture Notes in Computer Science
Subjects
Applied sciences
Computer science; control theory; systems
Computer systems and distributed systems. User interface
Contention Free Period
Contention Period
Critical Proximity
Event Channel
Exact sciences and technology
Mobile Host
Software
Filtering
Proximity
Distributed system
Topology
Real time
Middleware
Modeling
Interoperability
Reactive system
Filter
Wireless network
Ad hoc network
Mobile computing
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Summary:Applications of inter-vehicle and vehicle-to-roadside communication that make use of vehicular ad hoc networks (VANETs) will often require reliable communication that provides guaranteed real-time message propagation. This paper describes an event-based middleware, called RT-STEAM, designed to meet these requirements. Unlike other event systems, RT-STEAM does not rely on a centralized event broker or look-up service while still supporting event channels providing hard real-time event delivery. RT-STEAM event filtering can be based on subject, content and/or proximity. Proximity filters define geographical areas within which events are delivered. To guarantee real-time communication, we exploit proximity-based event propagation to guarantee real-time constraints within the defined proximities only. The proximity within which real-time guarantees are available is adapted to maintain time bounds while allowing changes to membership and topology as is typical of VANETs. This Space-Elastic Model of real-time communication is the first to directly address adaptation in the space domain to guarantee real-time constraints.
ISBN:9783540262626
3540262628
ISSN:0302-9743
1611-3349
DOI:10.1007/11498094_1