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End-to-End Security for SDN Controllers in Distributed K8s Environments for Fog and Cloud

Author

Listed:
  • Asad Khan

    (University of Technology, Sydney, Australia)

  • Priyadarsi Nanda

    (University of Technology, Sydney, Australia)

Abstract

The deployment of software-defined networking (SDN) in distributed Kubernetes environments across fog and cloud systems introduces complex security challenges. Traditional approaches often fail to ensure secure, resource-efficient control-plane operations and verifiable node coordination at scale. This study proposes a three-layered security framework: (a) flexible control plan (FCP) integrates lightweight SDN controllers with runtime attestation for trusted execution in resource-constrained fog nodes; (b) secure software-defined offloading (SSDO) enforces encrypted, policy-driven inter-node communication and signature verification to prevent unauthorized coordination; and (c) sentinel-adaptive intrusion detection (SAID) uses an unsupervised deep learning autoencoder to detect anomalies and identify zero-day threats. Combined, these layers offer scalable, adaptive, and real-time security for distributed SDN-Kubernetes environments.

Suggested Citation

  • Asad Khan & Priyadarsi Nanda, 2026. "End-to-End Security for SDN Controllers in Distributed K8s Environments for Fog and Cloud," International Journal of Cloud Applications and Computing (IJCAC), IGI Global Scientific Publishing, vol. 16(1), pages 1-30, January.
    • Handle: RePEc:igg:jcac00:v:16:y:2026:i:1:p:1-30
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