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A Traffic Splitting Algorithm for Load Balancing in Tor.

Xiance Meng1,2, Mangui Liang1,2

  • 1Institute of Information Science, Beijing Jiaotong University, Beijing 100044, China.

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|June 24, 2022
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Summary
This summary is machine-generated.

To improve anonymous communication, this study introduces a new method using parallel relays and dynamic load balancing. This enhances router load distribution and network throughput for better user experience.

Keywords:
Toranonymityanonymous networkload balancing

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Area of Science:

  • Computer Science
  • Network Security
  • Cryptography

Background:

  • Tor is a leading anonymous communication system relying on relays.
  • The bandwidth-weighted path selection algorithm in Tor leads to high utilization of high-bandwidth routers.
  • This imbalance causes congestion, degrading Quality of Service (QoS) for delay-sensitive applications.

Purpose of the Study:

  • To reduce router average load and enhance network throughput in anonymous communication systems.
  • To address the congestion risks associated with bandwidth-weighted path selection in Tor.
  • To improve the overall performance and anonymity of the network.

Main Methods:

  • A novel circuit construction method utilizing multiple parallel middle relays.
  • Implementation of a dynamic load allocation strategy for routers.
  • Experimental evaluation of the proposed method against existing multipath anonymous communication networks.

Main Results:

  • The proposed method achieves superior load balancing across network routers.
  • Demonstrated reduction in average router load compared to traditional methods.
  • Experimental evidence shows improved network throughput and Quality of Service.

Conclusions:

  • The proposed circuit construction and dynamic load allocation effectively mitigate congestion in anonymous networks.
  • The method offers enhanced load balancing and improved network performance.
  • The approach provides superior anonymity compared to other multipath anonymous communication networks.