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Related Experiment Video

Updated: Jan 15, 2026

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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A lightweight blockchain based scalable and collaborative mitigation framework against new flow DDoS attacks in SDN

Shikha Garg1, Sonia Goyal1, Abhinav Bhandari2

  • 1Department of Electronics and Communication Engineering, Punjabi University, Patiala, 147002, India.

Scientific Reports
|October 15, 2025
PubMed
Summary

This study introduces LiBSCOM-AS, a novel framework using blockchain and Software-Defined Networking (SDN) to combat new DDoS attacks in autonomous systems. It offers efficient, scalable, and secure mitigation strategies.

Keywords:
Blockchain-based collaborative DDoS mitigationEntropyInter- and Intra-domain ASNew-flow based DDoS attackSDN-Enabled autonomous systems

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Area of Science:

  • Cybersecurity
  • Network Security
  • Distributed Systems

Background:

  • New-flow based Distributed Denial of Service (DDoS) attacks threaten SDN-Enabled Autonomous Systems (AS) by exploiting centralized controller vulnerabilities.
  • Existing mitigation strategies often lack scalability and robust coordination mechanisms for intra- and inter-domain autonomous systems.

Purpose of the Study:

  • To propose a lightweight blockchain-based framework, LiBSCOM-AS, for scalable and collaborative DDoS mitigation in SDN-Enabled AS.
  • To enhance real-time detection, efficient traffic characterization, and secure, decentralized attack response and information sharing.

Main Methods:

  • Implemented a three-module framework: entropy-based detection, lightweight characterization, and blockchain-based mitigation with a unified smart contract.
  • Utilized P4 SDN switches and SDN controllers for real-time network traffic analysis (source IP, destination IP, Packet-In message entropies).
  • Leveraged Ethereum's Ropsten for inter-domain and Hyperledger Fabric for intra-domain AS implementations.

Main Results:

  • Achieved a high detection accuracy of 99.9875% for new-flow based DDoS attacks.
  • Reduced characterization complexity from O(N)+O(K) to O(S) with minimal computational overhead.
  • Demonstrated significant gas cost reduction (96.71-96.80%) compared to other blockchain-based approaches.

Conclusions:

  • LiBSCOM-AS provides an efficient, scalable, and robust defense against new-flow based DDoS attacks in SDN-enabled autonomous systems.
  • The integration of SDN and blockchain technology offers a secure and coordinated approach to network threat mitigation and information sharing.