✏️ Explanatory Question

Scenario: Custom service

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Answer with Explanation

Scenario

An energy company has field workers who schedule installation jobs for heaters. This company uses finance and operations apps for the back office and third-party software as a service (SaaS) to schedule appointments. When field workers schedule appointments, they must look up inventory availability to make sure that installation parts are available for the job.

The real-time data required:

  • Peak data volume is 1,000 records per hour
  • Frequency is Ad hoc.

Solution

This scenario can be implemented by using a custom service integration pattern.

In finance and operations, have a developer create a custom service to calculate the physical on-hand inventory for a given item.

In the scheduling application, make a real-time call to a custom service endpoint, through either SOAP or REST, to retrieve inventory information for the selected item.