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Thoughts on a Protocol Architecture for Vehicular Ad-Hoc Networks

Füßler, H.; Torrent Moreno, M.; Transier, M.; Festag, A.; Hartenstein, H.

In comparison to other communication networks, Vehicular Ad-hoc Networks (VANETs) have unique requirements with respect to applications, types of communication, self-organization and other issues. In order to meet these requirements, the structuring of functionalities into protocols and their interaction must be re-thought for VANETs. The traditional approach of decomposition of functionality into protocol layers (layered approach) and a protocol design specifically tailored to the needs of VANETs (unlayered approach) lead to two extreme and opposed manifestations of a potential VANET protocol architecture. From these two extreme approaches we derive a stack-based VANET protocol architecture that combines the strengths of both sides. Among the key features of this protocol architecture are VANET-specific protocol layers, a staircase approach for interaction among layers and the use of an information connector for cross-layer information exchange using the publisher/subscriber pattern. We believe that this protocol architecture provides a clear modular structure with flexibility for protocol interaction and information exchange at a reasonable complexity.

Zugehörige Institution(en) am KIT Institut für Telematik (TM)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2005
Sprache Englisch
Identifikator KITopen-ID: 1000004177
Erschienen in Proceedings - 2nd International Workshop on Intelligent Transportation (WIT 2005) : March 15th and 16th, 2005, Hamburg, Germany
Verlag TUHH
Seiten 41 - 45
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