MEC增强FiWi网络协同卸载感知动态波长带宽分配算法Cooperative offloading-aware dynamic wavelength and bandwidth allocation algorithm for MEC empowered FiWi networks
于阳阳;杜俐洁;何荣希;
摘要(Abstract):
为满足多接入边缘计算(MEC)增强FiWi网络中计算卸载业务和传统宽带业务的差异化需求,基于混合调度和协同卸载机制提出一种协同卸载感知(COA)的动态波长带宽分配(DWBA)算法。该算法利用在线调度回传计算结果,将离线子周期分为计算卸载子周期和宽带业务子周期。光线路终端协同调度波长带宽分配和卸载决策,优先采用水平计算协同卸载方式为超载MEC服务器选择卸载目标,将剩余计算需求卸载到远程集中云。仿真结果表明:该算法能显著提高计算业务完成率,减少平均完成时间,降低对传统宽带业务和核心网负载的不利影响。
关键词(KeyWords): 光纤无线接入网;多接入边缘计算;动态波长带宽分配;协同卸载
基金项目(Foundation): 国家自然科学基金项目(61371091、61801074)资助;; 大连市科技创新基金项目(2019J11CY015)资助
作者(Authors): 于阳阳;杜俐洁;何荣希;
DOI: 10.13921/j.cnki.issn1002-5561.2022.05.001
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