Implementing SOA: Total Architecture in Practice (Repost)

If you are an architect responsible for a service-oriented architecture (SOA) in an enterprise, you face many challenges. Whether intended or not, the architecture you create defines the structure of your enterprise at many different levels, from business processes down to data storage. It defines the boundaries between organizational units as well as between business systems. Your architecture must go beyond defining services and provide practical solutions for a host of complex distributed system design problems, from orchestrating business processes to ensuring business continuity. Implementing your architecture will involve many projects over an extended period, and your guidance will be required.