Abstract
The dragonfly network is a hierarchical network with a low diameter and high throughput, which uses a set of high-cardinality routers to increase the effective cardinality of the network. The Hamiltonian property is instrumental in communication networks. In this paper, we study the Hamiltonian properties of the logical graph of the dragonfly network, denoted by D(n, h, g), where n, h, and g represent the number of vertices in each group, the number of edges that each vertex connects to other groups, and the number of groups, respectively. Firstly, we show that there exists a Hamiltonian cycle and propose an O(g) algorithm for constructing a Hamiltonian cycle in D(n, h, g) when \(n \ge 2\) and \(h \ge 1\). Then, we prove that D(n, h, g) is Hamiltonian-connected for \(n \ge 4\) and \(h \ge 2\).
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (Nos. 62172291, 62272333, U1905211), and Jiangsu Province Department of Education Future Network Research Fund Project (FNSRFP-2021-YB-39).
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Wu, S., Cheng, B., Wang, Y., Han, Y., Fan, J. (2022). Hamiltonian Properties of the Dragonfly Network. In: Hsieh, SY., Hung, LJ., Klasing, R., Lee, CW., Peng, SL. (eds) New Trends in Computer Technologies and Applications. ICS 2022. Communications in Computer and Information Science, vol 1723. Springer, Singapore. https://doi.org/10.1007/978-981-19-9582-8_15
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DOI: https://doi.org/10.1007/978-981-19-9582-8_15
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