Communications and Network

Volume 12, Issue 3 (August 2020)

ISSN Print: 1949-2421   ISSN Online: 1947-3826

Google-based Impact Factor: 1.11  Citations  

A P2P Approach to Routing in Hierarchical MANETs

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DOI: 10.4236/cn.2020.123006    538 Downloads   1,910 Views  Citations

ABSTRACT

We present an effective routing solution for the backbone of hierarchical MANETs. Our solution leverages the storage and retrieval mechanisms of a Distributed Hash Table (DHT) common to many (structured) P2P overlays. The DHT provides routing information in a decentralized fashion, while supporting different forms of node and network mobility. We split a flat network into clusters, each having a gateway who participates in a DHT overlay. These gateways interconnect the clusters in a backbone network. Two routing approaches for the backbone are explored: flooding and a new solution exploiting the storage and retrieval capabilities of a P2P overlay based on a DHT. We implement both approaches in a network simulator and thoroughly evaluate the performance of the proposed scheme using a range of static and mobile scenarios. We also compare our solution against flooding. The simulation results show that our solution, even in the presence of mobility, achieved well above 90% success rates and maintained very low and constant round trip times, unlike the flooding approach. In fact, the performance of the proposed inter-cluster routing solution, in many cases, is comparable to the performance of the intra-cluster routing case. The advantage of our proposed approach compared to flooding increases as the number of clusters increases, demonstrating the superior scalability of our proposed approach.

Share and Cite:

Kunz, T. , Echegini, S. and Esfandiari, B. (2020) A P2P Approach to Routing in Hierarchical MANETs. Communications and Network, 12, 99-121. doi: 10.4236/cn.2020.123006.

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