Chapter 2

1. What are the traits of a RESTful service?
   • Obviously, the use of REST APIs.
   • Statelessness – Each request contains all the data required for its processing. Remember, this doesn't mean that RESTful services cannot use databases, quite the opposite.
   • Using cookies instead of keeping sessions.
2. What toolkit can you use to assist you in creating a resilient distributed architecture?
   • Simian Army by Netflix.
3. Should you use centralized storage for your microservices? Why/why not?
   • Microservices should use decentralized storage. Each microservice should choose the storage type that suits it best, as this leads to increased efficiency and scalability.
4. When should you write a stateful service instead of a stateless one?
   • Only when it's not reasonable to have a stateless one and you won't need to scale. For instance, when the client and service have to keep their state in sync or when the state to send would be enormous.
5. How does a broker differ from...