Episode 120 - What is Fail-over? Achieving High-Availability
Failover is the technique of switching to a redundant backup machine when a certain node goes down. This is a very common implementation for achieving high availability and it is often mixed with different load balancing techniques such as layer 4 and layer 7 balancing. In this video i want to go through following * What is Failover? 1:47 * ARP - Address Resolution Protocol 3:00 * VIP & VRRP 5:40 * High-availability Example 12:12 Cards 4:00 ARP 12:50 docker javascript 18:00 OSI Model