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Due to the rapid growth of traffic and the increasing demand of network quality of service (QoS) and high throughput in today's 5G networks, load-balancing mechanisms became the main strategy used to enhance network performance and user experience. The use of standard load-balancing methods, however, may hinder the network's ability to achieve QoS goals in terms of resources utilization and latency constraints. In this paper, we study multi-path load balancing in a centralized SDN-based network to achieve the best network performance possible and we propose a multi-path load-balancing mechanism that guarantees a better user experience through optimizing delay, jitter, and the packet-loss rate.