# Layered system

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In [telecommunications](/source/telecommunications), a '''layered system''' is a [system](/source/system) in which components are grouped, ''i.e.'', layered, in a hierarchical arrangement, such that lower layers provide functions and services that support the functions and services of higher layers. 

Systems of ever-increasing complexity and capability can be built by adding or changing the layers to improve overall system capability while using the components that are still in place.

{{FS1037C}}

Category:Network topology
Category:Holism

{{telecomm-stub}}

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Adapted from the Wikipedia article [Layered system](https://en.wikipedia.org/wiki/Layered_system) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Layered_system?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.