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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

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Solving the multicommodity flow problem using an evolutionary routing algorithm in a computer network environment.

Noel Farrugia¹, Johann A Briffa¹, Victor Buttigieg¹

¹Department of Communications and Computer Engineering, University of Malta, Msida, Malta.

|April 19, 2023

Summary

This study introduces a multipath routing algorithm using Evolutionary Algorithms (EAs) and modified Multipath TCP (MPTCP) to enhance network efficiency. The new approach significantly boosts network goodput and reduces data transmission delays.

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Area of Science:

Computer Science
Network Engineering
Algorithm Optimization

Background:

Increasing internet traffic necessitates efficient network resource utilization.
Current single-path routing algorithms often underutilize network capacity.
Software-Defined Networking (SDN) offers centralized control for advanced routing.

Purpose of the Study:

To develop and evaluate a multipath routing algorithm for optimal network resource usage.
To address the challenges of per-packet multipath routing with Transmission Control Protocol (TCP).
To improve overall network performance metrics like goodput and end-to-end delay.

Main Methods:

Implementation of a multipath routing algorithm utilizing Evolutionary Algorithms (EAs).
Integration with Software Defined Networking (SDN) for real-time network information.
Modification of Multipath TCP (MPTCP) to mitigate adverse effects of per-packet multipath routing.
Network simulations on a 41-node, 60-link real-world network model.

Main Results:

A 29% increase in total network goodput was observed with the EA routing solution.
Over 50% average reduction in end-to-end flow delay compared to standard protocols.
Demonstrated superior performance against Open Shortest Path First (OSPF) and standard TCP.

Conclusions:

The proposed EA-based multipath routing algorithm effectively enhances network performance.
Modified MPTCP successfully overcomes limitations associated with per-packet multipath routing.
This approach offers a viable solution for managing escalating internet traffic demands.