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Composability is a system design principle that deals with the inter-relationships of components.
Description
A highly composable system provides recombinant components that can be selected and assembled in various combinations to satisfy specific user requirements.
In information systems, the essential features that make a component composable are that it be:
- self-contained (modular): it can be deployed independently – note that it may cooperate with other components, but dependent components are replaceable
- stateless: it treats each request as an independent transaction, unrelated to any previous request. Stateless is just one technique; managed state and transactional systems can also be composable, but with greater difficulty.
It is widely believed that composable systems are more trustworthy than non-composable systems because it is easier to evaluate their individual parts.
See also
General
Examples
Related concepts
External links
- Composability @ Wikipedia
