An old presentation, which I used to introduce Rich Internet Applications and Adobe Flex to my friends.
Around 2 yrs old but good to serve the purpose.
Advantages of SOA Service-oriented architecture (SOA) helps organizations more easily transform their business processes for high performance by simplifying the underlying information systems Service-oriented architectures enable organizations to become more agile Drives cost reductions Simpler systems Lowering maintenance costs Enhancing architectural flexibility Lowering integration costs.