Stovepipe System

In engineering and computing, a pejorative term for a system that has the potential to share data or functionality with other systems but which does not. The term evokes the image of stovepipes rising above buildings, each functioning individually. A simple example of a stovepipe system is one that implements its own user IDs and passwords, instead of relying on a common user ID and password shared with other systems.

Stovepipes are "systems procured and developed to solve a specific problem, characterized by a limited focus and functionality, and containing data that cannot be easily shared with other systems."

DOE 1999

It secures the environment evenly covers all the enterprise vernerabilities

A stovepipe system is an example of an anti-pattern legacy system and demonstrates software brittleness.

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