A Study on Hierarchical Overlay Multicast Architecture in Mobile Ad Hoc Networks


The KIPS Transactions:PartC, Vol. 13, No. 5, pp. 627-634, Oct. 2006
10.3745/KIPSTC.2006.13.5.627,   PDF Download:

Abstract

Overlay network eliminates the need to change the application-layer tree when the underlying network changes and enables the overlay network to survive in environments where nonmember nodes do not support multicast functionality. An overlay protocol monitors group dynamics, while underlying unicast protocols track network dynamics, resulting in more stable protocol operation and low control overhead even in a highly dynamic environment. But, if overlay multicast protocols does not know the location information of node, this makes it very difficult to build an efficient multicasting tree. So, we propose a Hierarchical Overlay Multicast Architecture (HOMA) with the location information. Because proposed architecture makes static region-based dynamic group by multicast members, it is 2-tired overlay multicasts of application layer that higher layer forms overlay multicast network between members that represent group, and support multicast between multicast members belonging to region at lower layer. This use GPS, take advantage of geographical region, and realizes a region-sensitive higher layer overlay multicast tree which is impervious to the movements of nodes. The simulation results show that our approach solves the efficiency problem effectively.


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Cite this article
[IEEE Style]
K. D. Kim, J. H. Park, K. I. Lee, H. Y. Kim, S. H. Kim, "A Study on Hierarchical Overlay Multicast Architecture in Mobile Ad Hoc Networks," The KIPS Transactions:PartC, vol. 13, no. 5, pp. 627-634, 2006. DOI: 10.3745/KIPSTC.2006.13.5.627.

[ACM Style]
Kap Dong Kim, Jun Hee Park, Kwang Il Lee, Hag Young Kim, and Sang Ha Kim. 2006. A Study on Hierarchical Overlay Multicast Architecture in Mobile Ad Hoc Networks. The KIPS Transactions:PartC, 13, 5, (2006), 627-634. DOI: 10.3745/KIPSTC.2006.13.5.627.