Summary

High Availability is an important and crucial architectural concern. Almost every application and every architect tries to implement High Availability. Traditionally, High Availability was implemented from ground-up without any support from platforms. Azure is a mature platform that understands the need of High Availability for applications and in this bid, provides resources to implement High Availability from granular to data center level. High Availability is not an afterthought and should be part of the application life cycle development from the planning phase itself. Azure provides availability sets that ensure virtual machines are placed on separate fault and update domains. Fault domains ensure that unplanned rack level disruption does not change the availability of an application, while update domains take care of planned maintenance. Even Azure PaaS services...