Improvement of online real-time practical work platforms by optimizing routing and resource allocation in software-defined elastic optical data center networks: The case of the Cheikh Anta Diop University of Dakar

Eba Victoire Kié, M. Babri, C. Lishou, S. Ouya
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Abstract

Several research studies have shown that the socio-constructivist model allows learners to develop skills. This model advocates collaborative work between peers and pedagogical activities through practical work. With the advent of the COVID-19 pandemic and its constraints, universities have turned to online courses. Despite the use of online collaboration tools, we are finding that some real-time practical work based on screen sharing is difficult to do given the time lag between transmission and reception due to considerable latency. To overcome this latency problem we propose in this paper an algorithm that optimizes routing and resource allocation in software-defined optical data center networks, using Virtual Extensible Networks (VXLANs). This allows the implementation of socioconstructivist models while minimizing latency. Our solution is tested at the Cheikh Anta Diop University of Dakar and has significantly improved latency by making online courses and practical work in the context of COVID-19 fluid and synchronous.
软件定义弹性光数据中心网络中通过优化路由和资源分配改进在线实时实际工作平台——以达喀尔谢赫·安踏·迪奥普大学为例
几项研究表明,社会建构主义模式允许学习者发展技能。这种模式提倡同伴之间的协作,通过实际工作进行教学活动。随着新冠肺炎疫情的到来及其制约因素,大学纷纷转向在线课程。尽管使用了在线协作工具,但我们发现,由于传输和接收之间存在相当大的延迟,因此基于屏幕共享的一些实时实际工作很难完成。为了克服这种延迟问题,本文提出了一种算法,利用虚拟可扩展网络(vxlan)优化软件定义光数据中心网络中的路由和资源分配。这允许在最小化延迟的同时实现社会建构主义模型。我们的解决方案在达喀尔谢赫·安塔·迪奥普大学进行了测试,通过使COVID-19背景下的在线课程和实际工作流畅和同步,显著改善了延迟。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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