# Supporting Infrastructure

- [Overview](/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](/ostium-docs/supporting-infrastructure/price-oracle.md): Ostium has two price feed sources:
- [Automations](/ostium-docs/supporting-infrastructure/automations.md): Triggering automated orders requires constant monitoring of open position parameters and underlying asset price.