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Smart Site Diversity for a High Throughput Satellite System with Software-Defined Networking and a Virtual Network Function

Author

Listed:
  • Gandhimathi Velusamy

    (College of Technology, University of Houston, Houston, TX 77204, USA)

  • Ricardo Lent

    (College of Technology, University of Houston, Houston, TX 77204, USA)

Abstract

High Throughput Satellite (HTS) systems aim to push data rates to the order of Terabit/s, making use of Extremely High Frequencies (EHF) or free-space optical (FSO) in the feeder links. However, one challenge that needs to be addressed is that the use of such high frequencies makes the feeder links vulnerable to atmospheric conditions, which can effectively disable channels at times or temporarily increases the bit error rates. One way to cope with the problem is to introduce site diversity and to forward the data through the gateways not affected, or at least less constrained, by adverse conditions. In this paper, a virtual network function (VNF) introduced through reinforcement learning defines a smart routing service for an HTS system. Experiments were conducted on an emulated ground-satellite system in CloudLab, testing a VNF implementation of the approach with software-defined networking virtual switches, which indicate the expected performance of the proposed method.

Suggested Citation

  • Gandhimathi Velusamy & Ricardo Lent, 2020. "Smart Site Diversity for a High Throughput Satellite System with Software-Defined Networking and a Virtual Network Function," Future Internet, MDPI, vol. 12(12), pages 1-17, December.
    • Handle: RePEc:gam:jftint:v:12:y:2020:i:12:p:225-:d:458081
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    Cited by:

    1. Sachin Sharma & Avishek Nag, 2023. "Cognitive Software Defined Networking and Network Function Virtualization and Applications," Future Internet, MDPI, vol. 15(2), pages 1-3, February.

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