Saga Client Server [repack]

The choice between orchestration and choreography defines the system’s control flow: orchestration offers clarity and simplicity at the cost of centralization, while choreography offers scalability at the cost of complexity. In practice, many mature client-server systems prefer for business-critical workflows (e.g., order processing, financial transfers) due to their superior observability and maintainability. Ultimately, adopting the Saga pattern acknowledges a mature design reality: in a distributed world, perfect, instantaneous consistency is a myth, but reliable eventual consistency is an achievable and powerful goal. The client may wait for a response, but the servers—coordinated by a Saga—work reliably behind the scenes, compensating gracefully when the unexpected occurs.

@PostMapping("/reserve") public Response reserve(@RequestBody Request req, @RequestHeader("Message-Id") String msgId) // Check if this Message-Id has been processed if (processedMessages.contains(msgId)) return previousResult; // Idempotent response saga client server

When a client (like a mobile app or web browser) initiates a Saga, it typically follows one of these patterns to handle the asynchronous nature of the process: Microservices.io Immediate Response + Polling : The server returns an The client may wait for a response, but

To understand the Client-Server dynamic, you must choose your coordination style: you must choose your coordination style: