计算机科学 ›› 2023, Vol. 50 ›› Issue (7): 270-277.doi: 10.11896/jsjkx.220500274
郝炳炜1,2, 崔允贺1,2, 钱清3, 申国伟1,2, 郭春1,2
HAO Bingwei1,2, CUI Yunhe1,2, QIAN Qing3, SHEN Guowei1,2, GUO Chun1,2
摘要: 日趋庞大、复杂、高速的网络使得传统网络测量技术已经不能满足当下网络智慧管控的需求。作为一种新型网络测量技术,网络遥测可以提供细粒度、精确的会话级或报文级遥测信息。目前已有的网络遥测方案在部署网络遥测路径时不考虑网络状态,大多以静态的方式部署网络遥测路径。这种方法无法适应网络的动态性及不可靠性,如果网络遥测包所经路径出现带宽饱和或者遭遇网络攻击,则会造成网络遥测包丢失,使得网络遥测可靠性变差。除此之外,现有网络遥测方案通常采用全链路覆盖方式实现,遥测冗余较大,探针数据包的有效载荷较低。为了解决上述问题,文中提出了基于协同迁移进化的自适应网络遥测路径编排方法(AdaPtive network telemetry Path OrchestratIoN method based on CooperaTivE MigRation Evolution,APPOINTER)。APPOINTER根据网络状态信息,计算能够覆盖全部网络设备的最优网络遥测路径,以转发遥测报文。实验结果表明,APPOINTER增强了网络遥测的可靠性,有效避免了遥测冗余,提高了遥测效率。
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