Application and service availability can be extended to the regional level, AWS provides simple and yet powerful mechanisms to achieve global audiences and the option to use different construction blocks to build resiliency such as disaster recovery options and super available applications. This chapter presents a pattern to use Route 53 as the de facto solution to achieve higher levels of service by introducing DNS failover.

The following topics will be covered in this chapter:

• Route 53
  • Health checks
  • Record types