Dynamic SDN Controller Placement in a LEO Constellation Satellite Network

Papa, Arled; Cola, Tomaso de; Vizarreta, Petra; He, Mu; Machuca, Carmen Mas; Kellerer, Wolfgang

doi:10.1109/glocom.2018.8647843

Cited by 57 publications

(57 citation statements)

References 17 publications

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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%

“…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%

“…In this paper we evaluate the migration and reconfiguration cost in a LEO constellation. To achieve this, we extend our previous work [15] and provide a mathematical framework to quantify such costs. In more details, the contributions of this paper are highlighted as follows:…”

Section: Introductionmentioning

confidence: 99%

“…• Given the SDN-enabled LEO constellation architecture and dynamic SDN controller placement problem proposed in our previous work [15], which focuses on the investigation of the impact of the traffic variations on the average flow setup time, we extend our framework by introducing the notion of migration and reconfiguration costs.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Design and Evaluation of Reconfigurable SDN LEO Constellations

Papa

Cola

Vizarreta

et al. 2020

IEEE Trans. Netw. Serv. Manage.

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In the context of the 5G ecosystem, the integration between the terrestrial and satellite networks is envisioned as a potential approach to further enhance the network capabilities. In light of this integration, the satellite community is revisiting its role in the next generation 5G networks. Emerging technologies such as Software-Defined Networking (SDN) which rely on programmable and reconfigurable concepts, are foreseen to play a major role in this regard. Therefore, an interesting research topic is the introduction of management architecture solutions for future satellite networks driven by means of SDN. This anticipates the separation of the data layer from the control layer of the traditional satellite networks, where the control logic is placed on programmable SDN controllers within traditional satellite devices. While a centralized control layer promises delay reductions, it introduces additional overheads due to reconfiguration and migration costs. In this paper, we propose a method to quantify the overhead imposed on the network by the aforementioned parameters while investigating the usecase scenario of an SDN-enabled satellite space segment. We make use of an optimal controller placement and satellite-tocontroller assignment which minimizes the average flow setup time with respect to varying traffic demands. Furthermore, we provide insights on the network performance with respect to the migration and reconfiguration cost for our proposed SDNenabled architecture. Finally, we compare our proposed space segment SDN-enabled architecture with alternative solutions in the state-of-the-art given the aforementioned performance metrics.

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Section: B Sdn-enabled Satellite Networkmentioning

confidence: 99%

Section: Control Layer Traffic Modelingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Design and Evaluation of Reconfigurable SDN LEO Constellations

Papa

Cola

Vizarreta

et al. 2020

IEEE Trans. Netw. Serv. Manage.

Self Cite

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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%

Mobility-Aware Joint Service Placement and Routing in Space-Air-Ground Integrated Networks

Varasteh

Hofmann

Ðerić

et al. 2019

ICC 2019 - 2019 IEEE International Conference on Communications (ICC)

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People desire to be connected, no matter where they are. Recently, providing Internet access to on-board passengers has received a lot of attention from both industry and academia. However, in order to guarantee an acceptable Quality of Service (QoS) for the passenger services with low incurred cost, the path to route the services, as well as the datacenter (DC) to deploy the services should be carefully determined. This problem is challenging, due to different types of Air-to-Ground (A2G) connections, i.e., satellites and Direct Air-To-Ground (DA2G) links. These A2G connection types differ in terms of cost, bandwidth, and latency. Furthermore, due to the flights' movements, it is important to consider adapting the service location accordingly. In this work, we formulate two Mixed Integer Linear Programs (MILPs) for the problem of Joint Service Placement and Routing (JSPR): i) Static (S-JSPR), and ii) Mobility-Aware (MA-JSPR) in Space-Air-Ground Integrated Networks (SAGIN), with the objective of minimizing the total cost. We compare S-JSPR and MA-JSPR using comprehensive evaluations in a realistic European-based SAGIN. The obtained results show that the MA-JSPR model, by considering the future flight positions and using a service migration control, reduces the long-term total cost notably. Also, we show S-JSPR benefits from a low time-complexity and it achieves lower end-to-end delays comparing to MA-JSPR model.

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Distributed and multi‐layer hierarchical controller placement in software‐defined satellite‐terrestrial network

Xu,

Wang,

Fang

et al. 2023

Trans Emerging Tel Tech

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Aiming at the controller placement in software‐defined satellite‐terrestrial network, a distributed and multilayer hierarchical controller placement mechanism is proposed to improve the reliability and scalability. First, the metrics of network reliability, maintenance cost and usage cost are defined to establish the controller placement optimization model for the software‐defined satellite‐terrestrial network. Then, a distributed and hierarchical control structure composed of super controller, master controller, and slave controller is presented to enhance the scalability. Furthermore, according to the latitude variation of the LEO satellites, a time‐slot division method is proposed to staticize the network control topology. It reduces control link handover and enhances the stability of control links. In addition, a LEO satellite latitude based slave controller selection strategy and a shortest distance based inter layer control strategy are proposed to facilitate cost reduction and stability enhancement. Finally, extensive simulations demonstrate that the proposed control structure not only obtains high stability and scalability, but also efficiently saves the maintenance and usage cost. Besides, the impacts of service request distribution and satellite number on the control structure are analyzed.

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Dynamic SDN Controller Placement in a LEO Constellation Satellite Network

Cited by 57 publications

References 17 publications

Design and Evaluation of Reconfigurable SDN LEO Constellations

Design and Evaluation of Reconfigurable SDN LEO Constellations

Mobility-Aware Joint Service Placement and Routing in Space-Air-Ground Integrated Networks

Distributed and multi‐layer hierarchical controller placement in software‐defined satellite‐terrestrial network

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