The layered architectural pattern composes a system so that it is layered into subtasks. A system's layers have a defined set of responsibilities, specific to the implementation. This is a commonly used pattern and can be found in most robust systems, especially those that take advantage of distributed computing, such as cloud computing or cloud storage.
The layered pattern is core to much modern computing infrastructure. The International Standards Organization (ISO) Open Systems Interconnection (OSI) has a seven-layer model. This OSI model has been widely implemented and remains relevant in modern software architectures.
You can learn more about the ISO OSI seven-layer model from Microsoft's online documentation at https://docs.microsoft.com/en-us/windows-hardware/drivers/network/windows-network-architecture-and-the-osi-model.
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