1. Introducing SCA
Service Component Architecture, or SCA, is a technology for creating services and assembling them into composite applications. SCA addresses the perennial question of how to build systems from a series of interconnected parts. In SCA, these parts interact by providing services that perform a specific function. Services may be implemented using different technologies and programming languages. For example, a service can be implemented in Java, C++, or in a specialized language such as Business Process Execution Language (BPEL). Services may also be collocated in the same operating system process or distributed across multiple processes running on different machines. SCA provides a framework for building these services, describing ...
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