Higher order path - Remote Defect Indication(RDI) 高阶通道接收缺陷指示
This article studies the principles of the Bidirectional Forwarding Detection carefully and extends it to support Remote Defect Indication(RDI). 本文仔细研究了双向转发检测BFD的原理,并对BFD进行了一定扩展使其能够支持远端缺陷指示RDI的检测。