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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/32807

Title: Towards real-time middleware for vehicular ad hoc networks.
Other Titles: First ACM International Workshop on Vehicular Ad Hoc Networks (VANET 2004)
Author: MEIER, RENE
CAHILL, VINNY
Author's Homepage: http://people.tcd.ie/vjcahill
http://people.tcd.ie/rmeier
Keywords: Event-based middleware, Real-time, Proximity adaptation
Issue Date: 2004
Publisher: ACM
Citation: Barbara Hughes, RenĂ© Meier, Raymond Cunningham, and Vinny Cahill., Towards real-time middleware for vehicular ad hoc networks., First ACM International Workshop on Vehicular Ad Hoc Networks (VANET 2004), October, ACM, 2004, 95-96.
Abstract: 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. 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. To guarantee real-time communication, we exploit proximitybased event propagation to guarantee real-time constraints within the defined proximities only. The proximity within which realtime guarantees are available is adapted to maintain time bounds while allowing changes to membership and topology, 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.
Description: PUBLISHED
Poster session.
URI: http://hdl.handle.net/2262/32807
Appears in Collections:Computer Science (Scholarly Publications)

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