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A company accepts payment requests 24x7. Once they accept a payment request, their service level agreement (SLA) requires them to make sure each payment request is processed by their Payment System. They track payment requests using a globally unique identifier created at the Data Entry Point. Their simplified flow is as shown in the diagram. They encounter intermittent update errors when two or more processes try to update the same Payment Request record at the same time. Which two recommendations should an integration architect make to improve their SLA and update conflict handling? Choose 2 answers
Correct Answer: A,C
Explanation Middleware should coordinate request delivery and payment processing, and Payment System should process a payment request only once. This solution ensures that each payment request is delivered to the Payment System in a reliable and consistent manner, and avoids duplicate or conflicting updates to the same Payment Request record. Middleware can act as a mediator between the Data Entry Point and the Payment System, and implement logic to handle errors, retries, and acknowledgments. Payment System can use the globally unique identifier to check if a payment request has already been processed, and avoid processing it again. References: Certification - Integration Architect - Trailhead, [Integration Patterns and Practices]