7 Designing for robustness

This chapter covers

  • Communicating robustly between microservices
  • Letting the calling side take responsibility for robustness in the face of failure
  • Rolling back versus rolling forward
  • Implementing robust communication

This chapter introduces strategies for making a system of microservices robust in the face of failures. In general, whenever one microservice communicates with another, the communication may fail. In this chapter, you’ll learn about and implement some patterns for dealing with such failures. The strategies are fairly simple, but they’ll make the overall system much more robust.

Failures and errors

I’ll distinguish between the terms failure and error. A failure happens when something goes wrong in the ...

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