Since 2000, Menlo Worldwide Forwarding (formerly Emery Worldwide) has faced a particularly challenging business environment that has been exacerbated by a weakened economy, the events of September 11, ...

Routing is performed by network layer devices. It will deliver packets by selecting an optimal path from one network to the other.

An IETF draft standard , BFD provides a simple, lightweight and abstract method of detecting the ability of links or systems to forward traffic.