Article Details

Abstract

With the acceleration of corporate digital transformation, SD-WAN has become a critical solution for enterprise networking due to its flexibility, intelligent path selection, and cost-effectiveness. To address packet loss and latency issues on the internet, traditional technologies such as ARQ and FEC face limitations like high latency and single-path unreliability. Therefore, a transmission scheme combining FEC with Duplicate Transmission with Selective Reception (DTSR) for packet loss resistance in SD-WAN is proposed. By integrating the redundant error correction capability of FEC with the multi-path optimization characteristics of DTSR, this approach enhances data transmission efficiency and reliability. Experimental data show that when the packet loss rate on both links does not exceed 20% and the FEC redundancy rate is set higher than the packet loss rate, near-zero packet loss can be achieved. This solution is particularly suitable for business scenarios sensitive to packet loss, providing an effective solution for enterprises to ensure business continuity in complex network environments.

Keywords

SD-WAN; Forward Error Correction (FEC); Duplicate Transmission with Selective Reception (DTSR); multi-link transmission; packet loss resistance

References

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Funding

Mount Taishan University of Science and Technology 2024 first-class undergraduate major "Big Data Management and Application" (202408091)

About the authors

Zhang Jie (1986-), female, Han ethnicity, from Tai'an, Shandong Province, senior engineer, full-time teacher, master's degree, research direction: computer application technology; Sun Fengxiao (1997-), male, Han nationality, from Tai'an, Shandong, is a lecturer, full-time teacher, master's degree holder, with research interests in deep learning and big data analysis.