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An Efficient ZHLS Routing Protocol for Mobile Ad Hoc Networks

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4 Author(s)
T. Hamma ; Iwate Prefectural University, Japan ; T. Katoh ; B. B. Bista ; T. Takata

In this paper, in order to reduce communication overhead in mobile ad hoc networks, we present a zone-based hierarchical link state routing protocol with gateway flooding (ZHLS-GF) in which a new flooding scheme, called gateway flooding is proposed. ZHLS-GF is based on ZHLS, a zone-based hierarchical link state routing protocol. ZHLS is a hierarchical routing protocol for mobile ad hoc networks in which a network is divided into non-overlapping zones. All network nodes in ZHLS construct two routing tables, an intrazone routing table and an inter-zone routing table, by flooding NodeLSPs within the zone and ZoneLSPs throughout the network. However, this incurs a large communication overhead in the network. Our proposed flooding scheme floods ZoneLSPs only to the gateway nodes of zones thus reduces the communication overhead significantly. Furthermore in ZHLS-GF, only the gateway nodes store ZoneLSPs and construct interzone routing tables therefore the total storage capacity required in the network is less than ZHLS

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17th International Workshop on Database and Expert Systems Applications (DEXA'06)

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