Software Mistakes and Tradeoffs

11 Delivery semantics in distributed systems

This chapter covers

• Publish-subscribe and producer-consumer models in data-intensive applications
• Delivery guarantees and their impact on resilience and fault tolerance
• Building fault-tolerant systems leveraging delivery semantics

In the previous chapter, we learned about fault tolerance, retries, and idempotence of operations in the context of a relatively straightforward system architecture. In real life, our systems consist of multiple components responsible for different parts of our business domain and infrastructure. For example, we may have a service that is responsible for collecting metrics. Another service may be responsible for collection logs and so on. Besides that, we need applications ...