SOA Challenges: Entity Aggregation - Use Entity Aggregation (EA), within the larger content of a Service Oriented Architecture (SOA), to integrate duplicate information present in different services in your enterprise that are autonomous in nature—HR, Payroll, and Benefits, for example.
SO Architecture: Implementation Challenges - Discusses various approaches to solving the eight key challenges companies face when implementing a service-oriented architecture, and gives examples of EDS' own experience with clients.