Chapter 11: AWS Disaster Recovery Solutions
In the previous chapter, we learned about the backup solutions offered by AWS. This chapter extends that concept further, and will show us how to use backup during disaster recovery (DR).
DR refers to planning that aims to protect an organization from any unfortunate events that can disrupt its services. These events can be power outages, natural disasters, equipment failure, or cyberattacks. A DR plan will ensure that critical business functions will continue to operate or recover quickly despite severe disasters. DR enables the continuation of infrastructure and systems following a disaster. DR is a hot topic for several reasons. There are some applications that we never thought to put under DR because of their noncriticality or because they were too expensive to put in an on-premises environment. The cloud provides an effective, economical solution—for example, storing 1 GB of data in Amazon Glacier will cost you $0.004 per month...