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

Question

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

Arindam Sinha · Accepted Answer

Middleware should coordinate request delivery and payment processing.

Arindam Sinha · Accepted Answer

Payment System should process a payment request only once.

Arindam Sinha · Answer

Data Entry Point and Middleware should automatically retry requests.

Arindam Sinha · Answer

Payment System and Middleware should automatically retry requests.

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