BFD is a well-known technology that detects and reacts to forwarding issues quickly (within a few hundred milliseconds). Nowadays, all router vendors support BFD, and it is standard best practice to use BFD within a network. However, BFD is not so commonly used at IXPs on bilateral links and even less common on multilateral links, including the Route Servers. In this presentation, I want to highlight the usefulness of BFD at IXPs and discuss with you if we as an industry should make a joint effort to push it.
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