Abstract
In this paper, we investigate the service chaining placement problem for user requests in satellite ground station networks with minimum energy cost, which consists of server energy, switch energy, and link energy. We build the Server-Switch-Link energy model and formulate the energy optimization problem as an integer nonlinear programming problem. To address this problem, we implement a prediction-aided Greedy (PA-Greedy) algorithm depending on satellite mission planning in satellite control centers. We conduct the experiments to evaluate the proposed energy model and PA-Greedy algorithm in Fat-Tree networks, and compare the performance with the baseline Greedy algorithm and two energy models of Server-Link and Server. In a Fat-Tree network with 16 servers, the proposed Server-Switch-Link energy model with the PA-Greedy algorithm can reduce energy consumption by 17.28% when compared with the baseline Greedy algorithm, and outperform these Server-Link and Server energy models by 47.10% and 62.91%, respectively.
| Original language | English |
|---|---|
| Title of host publication | 2021 International Wireless Communications and Mobile Computing, IWCMC 2021 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 217-222 |
| Number of pages | 6 |
| ISBN (Electronic) | 9781728186160 |
| DOIs | |
| State | Published - 2021 |
| Event | 17th IEEE International Wireless Communications and Mobile Computing, IWCMC 2021 - Virtual, Online, China Duration: 28 Jun 2021 → 2 Jul 2021 |
Publication series
| Name | 2021 International Wireless Communications and Mobile Computing, IWCMC 2021 |
|---|
Conference
| Conference | 17th IEEE International Wireless Communications and Mobile Computing, IWCMC 2021 |
|---|---|
| Country/Territory | China |
| City | Virtual, Online |
| Period | 28/06/21 → 2/07/21 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Energy optimization
- Fat-Tree
- Greedy
- Satellite ground station
- Service chaining
- Virtual network function
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