计算机科学 ›› 2022, Vol. 49 ›› Issue (2): 377-382.doi: 10.11896/jsjkx.210800045
• 计算机网络 • 上一篇
张耕强, 谢钧, 杨章林
ZHANG Geng-qiang, XIE Jun, YANG Zhang-lin
摘要： 针对软件定义网络在移动自组织网络里部署传输路径时,需要控制器为路径上所有的节点下发相关流表项,从而造成传输开始需等待较长时间的问题,文中基于分段路由提出了一种快速下发数据转发规则的方法FDSR。控制器会以分段路由的方式,通过在数据包上添加转发路径对应标签的方式下发数据转发规则,并在处理最大堆栈深度问题时,利用标签粘连技术,将整条路径分为多个标签栈,通过算法选择后分别下发给能与控制器节点快速交互的转发节点,以减少路径配置时间。实验结果表明,相较于OpenFlow流表下发方式,FDSR在SD-MANET中能减少路径部署时长以及流表开销,并能有效应对SR的MSD问题,提升控制器部署长路径的速度。
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