2018 IEEE Global Communications Conference (GLOBECOM) 2018
DOI: 10.1109/glocom.2018.8647843
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Dynamic SDN Controller Placement in a LEO Constellation Satellite Network

Abstract: Software Defined Networking (SDN) has been identified as a potential approach to achieve a more flexible control and management of the traditional satellite systems and enhance the opportunities for future services including the possibility of a hybrid satellite/terrestrial network. Given the renewed interest towards Low-Earth-Orbit (LEO) constellations, an interesting research topic is the design of a suitable network management model taking into account user specific metrics. In this paper, we address this i… Show more

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Cited by 59 publications
(57 citation statements)
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“…However, all the aforementioned works either consider an architectural concept or a prototype network and do not take into account network dynamics such as traffic fluctuations or topology changes. To fill this void, in our previous work [15] we leveraged the SDN paradigm and introduced an SDN-enabled LEO constellation, where we investigated the dynamic SDN controller placement based on varying traffic demands.…”
Section: B Sdn-enabled Satellite Networkmentioning
confidence: 99%
See 3 more Smart Citations
“…However, all the aforementioned works either consider an architectural concept or a prototype network and do not take into account network dynamics such as traffic fluctuations or topology changes. To fill this void, in our previous work [15] we leveraged the SDN paradigm and introduced an SDN-enabled LEO constellation, where we investigated the dynamic SDN controller placement based on varying traffic demands.…”
Section: B Sdn-enabled Satellite Networkmentioning
confidence: 99%
“…5 and Given that the XOR operation between two rows i, j ∈ P F records if satellites have changed their state (i.e., added or removed in the new flow path j), if t s =1, means that satellite s has been removed from the path. Differently, in the second part (i.e., lines [14][15][16][17][18][19][20][21][22][23][24], no link between satellites (s, k) exists in the previous flow path i. Therefore, the XOR operation between two rows i, j ∈ P F , means that if t s =1, satellite s has been added to the new flow path j.…”
Section: Control Layer Traffic Modelingmentioning
confidence: 99%
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“…in [12] present an SDN-based vehicular network utilizing SAGIN. Furthermore, in [13], [14], the SDN controller placement problem in these integrated networks is explored. Comprehensive surveys summarize studies on the SAGIN aforementioned challenges, available in [15].…”
Section: Related Workmentioning
confidence: 99%