Some organizations would have adopted SOA at an application level:
In this approach, lightweight integration frameworks, such as Apache Camel or Spring Integration, are embedded within applications to handle service-related cross-cutting capabilities, such as protocol mediation, parallel execution, orchestration, and service integration. Since some of the lightweight integration frameworks had native Java object support, such applications would have even used native Plain Old Java Objects (POJO) services for integration and data exchange between services. As a result, all services have to be packaged as one monolithic ...
