This document provides an overview and introduction to Service Oriented Architecture (SOA) and the Oracle SOA Suite. It discusses what SOA is, common standards and technologies, and the key roles in SOA of service providers and consumers. It also summarizes the main components of the Oracle SOA Suite including the Mediator, BPEL Process Manager, Business Rules engine, and Oracle Service Bus. The document concludes with an overview of deploying SOA applications using the Oracle SOA Suite.