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A composable infrastructure is a type of infrastructure that is pieced together conceptually, where individual elements such as compute, storage and network elements are treated as individual services. The composable infrastructure is meant to operate independently of a single hardware platform, and resource pooling helps to provide what individual elements need to perform well. The use of application programming interfaces (APIs) can help companies to create these types of infrastructures.
Some of the main values of composable infrastructures in enterprise relate to ease of use. A traditional non-composable infrastructure can be rigid or difficult to change. Legacy systems can require a lot of trial and error whenever the business scales up or makes other changes. By contrast, a composable infrastructure is seen as being more transparent and easier to change over time. This is partly because of the loosely connected nature of the infrastructure, and more presented information on how it was originally put together.