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QOGMP: QoS-oriented global multi-path traffic scheduling algorithm in software defined network.

Yiping Guo1, Guyu Hu2, Dongsheng Shao3

  • 1Command and Control Engineering College, People's Liberation Army Engineering University, Nanjing, CO, 210007, China. 2609529342@qq.com.

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Summary
This summary is machine-generated.

This study introduces QOGMP, a novel algorithm for Software Defined Network (SDN) traffic scheduling. QOGMP addresses single path, congestion, and delay issues, improving Quality of Service (QoS).

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Area of Science:

  • Computer Networking
  • Network Traffic Management
  • Software Defined Networking (SDN)

Background:

  • Current Software Defined Network (SDN) control layer traffic scheduling faces challenges like single path limitations, network congestion, and high latency.
  • Existing methods often fail to meet stringent Quality of Service (QoS) requirements, leading to suboptimal network performance.
  • These limitations necessitate advanced traffic scheduling solutions for efficient network operation.

Purpose of the Study:

  • To design and implement a QoS-oriented global multi-path traffic scheduling algorithm for SDN, named QOGMP.
  • To address critical issues including single path dependency, network congestion, and high delay in SDN environments.
  • To enhance overall network performance by meeting diverse Quality of Service (QoS) demands.

Main Methods:

  • Developed a link weight calculation algorithm utilizing traction links and deep reinforcement learning to consider QoS requirements.
  • Proposed a traffic scheduling algorithm integrating link weights with a multi-path scheme to overcome single path limitations.
  • Implemented the QOGMP algorithm by combining the link weight calculation and traffic scheduling components for comprehensive traffic management.

Main Results:

  • Experimental validation confirmed that the traction link algorithm alleviates network congestion and reduces delay.
  • The multi-path scheme effectively addresses the single path problem, enhancing network flexibility.
  • Comparative experiments demonstrated that QOGMP outperforms existing algorithms in terms of reduced delay and improved rescheduling rates.

Conclusions:

  • QOGMP provides an effective solution for QoS-oriented global multi-path traffic scheduling in Software Defined Networks (SDN).
  • The algorithm successfully mitigates common issues like congestion, high delay, and single path dependency.
  • QOGMP offers significant improvements in network performance metrics, particularly delay and rescheduling efficiency.