In this chapter, you have understood the need for distributed computing by exploring various use cases in different verticals and domains. We have also walked you through various solutions to handle these problems and why Storm is the best choice in the open source world. You have also been introduced to Storm components and the action behind the scenes when these components are at work.

In the next chapter, we will walk through the setup aspects and you will get familiarized with programming structures in Storm by simple topologies.