> For the complete documentation index, see [llms.txt](https://ostium-labs.gitbook.io/ostium-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ostium-labs.gitbook.io/ostium-docs/supporting-infrastructure.md).

# Supporting Infrastructure

- [Overview](https://ostium-labs.gitbook.io/ostium-docs/supporting-infrastructure/overview.md): In addition to the Trading Engine, Ostium coordinates the protocol with two other pieces of off-chain infrastructure: an Oracle and an Automated Keeper System.
- [Price Oracle](https://ostium-labs.gitbook.io/ostium-docs/supporting-infrastructure/price-oracle.md): Ostium has two price feed sources:
- [Automations](https://ostium-labs.gitbook.io/ostium-docs/supporting-infrastructure/automations.md): Triggering automated orders requires constant monitoring of open position parameters and underlying asset price.
