A smart factory network integrates various wireless networks to provide administrators with advanced factory network management capabilities and optimized services. Supporting smooth handoff management is an important issue in network architecture. Existing handoff management protocols are not sufficient to ensure handoff support in smart factories. This work was conducted to achieve the agility required by the smart factory network. The Smart Factory SDN-layer Handoff (SFSH) technique is proposed to guarantee Quality of Service (QoS) by supporting efficient handoff of devices in a smart factory. We proposes the SDN framework called SFSH for smart factory and a handover algorithm considering and the Received Signal Strength (RSS) and speed for SFSH. Through simple simulation, the SDN framework can flexibly cope with the conditions required by the smart factory, and it can be seen that the performance of SFSH considering RSS is improved over the existing handover process. SFSH uses the location and handoff signaling-delay information of devices in the factory to support mobility management and improve handoff performance in a wireless network environment. The sensitivity of the link layer and network layer is analyzed for handoff performance. Theoretical analysis shows that SFSH works better performance than other solutions.

智能工厂网络集成了各种无线网络，为管理员提供了高级工厂网络管理功能和优化的服务。支持平滑的切换管理是网络体系结构中的重要问题。现有的切换管理协议不足以确保智能工厂中的切换支持。进行这项工作是为了实现智能工厂网络所需的敏捷性。提出了智能工厂SDN层切换（SFSH）技术，以通过支持智能工厂中设备的有效切换来保证服务质量（QoS）。我们针对智能工厂提出了一种名为SFSH的SDN框架，并考虑了SFSH的接收信号强度（RSS）和速度，提出了一种切换算法。通过简单的模拟，SDN框架可以灵活地应对智能工厂所需的条件，并且可以看出，考虑RSS的SFSH的性能比现有的切换过程有所提高。SFSH使用工厂中设备的位置和切换信令延迟信息来支持移动性管理并提高无线网络环境中的切换性能。分析链路层和网络层的灵敏度，以了解切换性能。理论分析表明，SFSH的性能优于其他解决方案。SFSH使用工厂中设备的位置和切换信令延迟信息来支持移动性管理并提高无线网络环境中的切换性能。分析链路层和网络层的灵敏度，以了解切换性能。理论分析表明，SFSH的性能优于其他解决方案。SFSH使用工厂中设备的位置和切换信令延迟信息来支持移动性管理并提高无线网络环境中的切换性能。分析链路层和网络层的灵敏度，以了解切换性能。理论分析表明，SFSH的性能优于其他解决方案。