Wednesday, October 28, 2009

What Is SOA?

  • First, SOA IS NOT A PRODUCT
  • SOA is a common sense approach that is both time and road/track tested software development style for building applications using services available in a network (think Sun Microsystems “The Network is the Computer”)
  • These software services are relatively large-grained:
    (like: Fraud Detection, Address Change, Payment Management, Trade Execution) 
  • Implementations are shielded by a public interfaces aka services  
  • The change to an underlying implementation, should not change the existing interface.
  • Services form building blocks of  SOA applications 
  • Applications that use these services are called Composite Applications

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