Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M7153

Middle Platform Architecture

Middle Platform Architecture
CreatemediumDesign Thinking
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Updated 2026-08-11

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INTRODUCTION

English translation pending.

CORE DEFINITION

An architectural pattern that extracts capabilities common to several business lines into a shared middle layer between the front-end businesses and the back-end infrastructure, so each capability is built once and reused. Its core proposition is that independent business units otherwise rebuild the same capability repeatedly, and consolidating it trades some autonomy for reuse and faster response. The qualifier is that the platform must stay lean, since overloading it turns the shared layer into a bottleneck.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Commonality scan: find the capabilities that several business lines each build for themselves. - Platform extraction: consolidate those capabilities into one shared service with a stable interface. - Weight watch: keep the shared layer lean so it accelerates rather than blocks the front end.

anchor

Anchor fast decisions

Duplicated construction multiplies cost and produces inconsistent results, because each unit solves the same problem separately. Extracting the common capability into one place means a single investment serves every consumer, so the marginal cost of the next business line falls sharply, provided the shared layer does not become a queue everyone waits on.

MINIMUM ACTION

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Source support: Explicit

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    doi.orghttps://doi.org/10.1109/cscloud-edgecom52276.2021.00047ZH · Explicit
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