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(to be completed)

 


ThinkMind // International Journal On Advances in Networks and Services, volume 2, number 1, 2009 // View article netser_v2_n1_2009_6


Context Modeling for Cross-layer Context Aware Adaptations

Authors:
Ruwini Kodikara
Arkady Zaslavsky
Christer Åhlund

Keywords: Context Awareness; Real-time Communications; Mobile IP

Abstract:
Demand for real-time services over the Internet while moving, is growing rapidly. This necessitates efficient delivery of wireless real-time traffic. Limitations of existing layered protocol stack for wireless networks lead to the proposal of cross-layer interactions as an alternative solution. At the same time, next generation ubiquitous computing drives wireless applications and protocols to be context aware. A generic context aware architecture with context modeling can aid increasingly demanding realtime applications over highly dynamic wireless networks to be cross-layer context aware and adaptive. Moreover, a generic architecture can make lower layer protocols to be context aware and adaptive to various situations dynamically. This article discusses the adaptive approach supported by proposed cross layer context aware architecture called CA3RM-Com. The scope of this article is to discuss context modeling specifically and address the issue of context representation of multi-layer context for various adaptive situations. Various single layer and multi-layer crosslayer adaptations and the representation of context parameters with respect to each layer of the protocol stack is discussed. We discuss how these adaptations can be operated in the proposed CA3RM-Com architecture. Context aware adaptive multi-homed Mobile IP is discussed as an example adaptation that the architecture can support. Moreover, the extended simulation of context aware adaptive multi-homed Mobile IP is discussed.

Pages: 63 to 75

Copyright: Copyright (c) to authors, 2009. Used with permission.

Publication date: June 7, 2009

Published in: journal

ISSN: 1942-2644

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