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SACT: A New Model of Covert Communication Based on SDN.

Leyi Shi1,2, Yuxiao Song1, Zhiyu Xue1

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|December 23, 2020
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Summary

This study introduces a new Software Defined Network-based Anonymous Communication Tracking (SACT) model. SACT enhances anonymous tracking by integrating network watermarking, improving scalability and anti-detection capabilities for covert communication.

Keywords:
SDNcovert communicationdynamic protectionsecurity analysiswatermarking

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Area of Science:

  • Computer Science
  • Network Security
  • Information Theory

Background:

  • Traditional anonymous tracking faces limitations in scalability and reusability due to device deployment in network watermarking.
  • Software Defined Networking (SDN) offers enhanced flexibility through control and data plane separation, presenting opportunities for improved tracking mechanisms.

Purpose of the Study:

  • To propose a novel anonymous communication tracking model, SDN-based Anonymous Communication Tracking (SACT), leveraging SDN architecture.
  • To enhance the anti-detection capabilities and overall effectiveness of anonymous tracking in network environments.

Main Methods:

  • Integration of network watermarking techniques within an SDN framework.
  • Combination of IP time hidden channel and symbol expansion technologies for covert communication.
  • Implementation of a hopping protection mechanism to bolster watermark security against detection.

Main Results:

  • SACT demonstrated excellent detection rates and low bit error rates across various simulated network environments.
  • The model effectively established communication relationships between parties.
  • SACT successfully addressed the deployment challenges inherent in traditional anonymous tracking systems.

Conclusions:

  • SACT provides a scalable and reusable solution for anonymous communication tracking within SDN architectures.
  • The proposed model significantly improves the availability and anti-detection capabilities of covert communication.
  • SACT offers a robust method for determining communication relationships while maintaining anonymity.