Logical clusters in a DHT-Paradigm for scalable routing in MANETs

Connectivity of nodes in the logical network is the minimal requirement for the functionality of a distributed hash table (DHT)-based routing protocol. In case of high mobility, frequent changes to the network topology introduce higher maintenance overhead for updating the mapping information that w...

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Bibliographic Details
Published in:Computer networks (Amsterdam, Netherlands : 1999) Netherlands : 1999), 2017-12, Vol.128, p.142-153
Main Authors: Tahir, A., Abid, S.A., Shah, Nadir
Format: Article
Language:English
Subjects:
Cluster analysis
Clustering
Distributed hash tables
Distributed systems
Logical clusters
MANETs
Mobile ad hoc networks
Mobile communication systems
Network topologies
Protocol
Protocol (computers)
Routing
Simulation
Wireless networks
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Summary:Connectivity of nodes in the logical network is the minimal requirement for the functionality of a distributed hash table (DHT)-based routing protocol. In case of high mobility, frequent changes to the network topology introduce higher maintenance overhead for updating the mapping information that worsens not only the performance of these protocols, but also restricts their pertinence only to the networks with low mobility. In addition, the route to the destination node in such protocols is not immediately available which result in high lookup latency for the requesting node. In this paper, we proposes a novel 3-dimensional logical cluster-based DHT routing protocol for mobile ad hoc network (MANETs) that use logical clustering and an effective replication strategy to reduce the routing overhead and lookup latency introduced by the above problems. Simulation results substantiate the effectiveness of the proposed protocol in terms of reducing the delay by slightly increasing the control overhead.
ISSN:1389-1286
1872-7069
DOI:10.1016/j.comnet.2017.05.033