One of the ways to deliver content much more quickly is to offload our infrastructure and deliver common responses from a middle, cached data layer that can provide much better responsiveness and higher performance for our application. When we talk about accelerating applications, we have several options on AWS and one of them is a dedicated, managed caching service called ElastiCache.

The following topics will be covered in this chapter:

• What is ElastiCache?
• Engine types
• Caching strategies
• Best practices