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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Efficient Core Selection for Multicast Routing in Mobile Ad Hoc Networks
verfasst von : Dai Tho Nguyen, Thanh Le Dinh, Binh Minh Nguyen
Erschienen in: Advanced Computational Methods for Knowledge Engineering
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PUMA (Protocol for Unified Multicasting through Announcements) is a mesh-based multicast routing protocol for mobile ad hoc networks distinguishing from others in its class by the use of only multicast control packets for mesh establishment and maintenance, allowing it to achieve impressive performances in terms of packet delivery ratios and control overhead. However, one of the main drawbacks of the PUMA protocol is that the core of the mesh remains fixed during the whole execution process. In this paper, we present an improvement of PUMA by introducing to it an adaptive core selection mechanism. The improved protocol produces higher packet delivery ratios and lower delivery time while incurring only little additional control overhead.