Enterprise High-Availability: VRRP, MLAG, or ECMP?
Executive Summary (TL;DR)
The Goal of High Availability (HA): Eliminate Single Points of Failure (SPOF) to achieve sub-second failover and 99.999% ("Five Nines") uptime.
VRRP (Virtual Router Redundancy Protocol): A Layer 3 protocol providing a redundant default gatewa...