> For the complete documentation index, see [llms.txt](https://www.sdv.guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.sdv.guide/sdv101/part-c-building-blocks/building-blocks-of-an-sdv/service-oriented-architecture.md).

# Service-Oriented Architecture

**Service-Oriented Architectures (SOA)** leverage vehicle hardware abstraction layers to enable agile application development. SOA represents a critical evolution in vehicle architecture, enabling seamless integration of hardware and software through modular and scalable services.