Extended Bidirectional Forwarding Detection

Document Type Expired Internet-Draft (individual)
Authors Greg Mirsky  , Xiao Min 
Last updated 2020-10-16 (latest revision 2020-04-14)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a mechanism to extend the capabilities of Bidirectional Forwarding Detection (BFD). These extensions enable BFD to measure performance metrics like packet loss and packet delay. Also, a method to perform lightweight on-demand authentication is defined in this specification.


Greg Mirsky (gregimirsky@gmail.com)
Xiao Min (xiao.min2@zte.com.cn)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)