Upper Geyser Basin in Yellowstone National Park, Wyoming (© Ray Urner/Tandem Stills + Motion)

This document is an extension to the base Application-Layer Traffic Optimization (ALTO) protocol. It extends the ALTO cost map and ALTO

This document defines a YANG data model that can be used to configure and manage Bidirectional Forwarding Detection (BFD).

Caribou crossing the Susitna River during autumn, Alaska (© Tim Plowden/Alamy)