Oracle Fusion Technical: Reports, Data, Integrations and Extensions · Module 11 · Integration patterns without OIC
Point-to-point API calls, and their limits
Lesson 113 of 177 · 2 min
Two systems talking directly works until there are three. That sentence is the whole cost curve. Two systems is one interface. Three systems, each talking to the others, is three. Five is ten. The count grows as the square, and every one of them is a separate credential, a separate error path, a separate thing to regression-test each quarter and a separate thing nobody documented. The cost that actually bites is not building them, it is CHANGING them. A field added to a payload has to be handled by every consumer separately; a system replaced means every interface it participated in is rewritten. With two interfaces that is a task. With ten it is a project. WHERE THE CURVE CROSSES is a judgement, and the honest markers are these. Point-to-point remains right while: the number of interfaces is small and static, each is simple — one hop, little transformation —…
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In this module: Module 11 · Integration patterns without OIC
- 1The four patterns you will actually need
- 2File-based integration, done properly
- 3Scheduled extract to an external system
- 4Point-to-point API calls, and their limits
- 5Error handling without an orchestrator
- 6When you genuinely need OIC
- 7What breaks: the integration nobody owns
- 8Lab briefing · Build one without a platform