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Content Provider | ACM Digital Library |
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Author | Stroulia, Eleni Ng, Joanna |
Abstract | Enterprises are increasingly adopting Web Services as an enterprise-application development platform, I motivated primarily by the large-scale language and platform interoperability the standards enable and the variety of tools supporting the development of systems of services. However, SOA is underutilized as a distributed-application platform when it is used only to specify service compositions (i.e., data and control dependencies among the service operations) in an executable language (such as BPEL), expose them as new complex services and have them orchestrated by an execution engine at runtime. A fundamental innovation of SOA (and Web Services) is that it makes explicit the concept of, "service choreography", that is; the coordination of the interactions between two or more independent parties, where no single party can assume complete control of the overall process. Note that in contrast, the concept of, "service orchestration", assumes that there is such a single overarching authority. This concept of choreography admits that in SOAs there are multiple independent interacting partners and there is no single central point of control for the runtime behavior of the overall system. Without support for true choreographies, SOAs simply support intra-organization software distribution and integration -- choreography support is necessary for interorganization software composition and innovative service provision. |
Starting Page | 337 |
Ending Page | 337 |
Page Count | 1 |
File Format | |
DOI | 10.1145/1723028.1723093 |
Language | English |
Publisher | Association for Computing Machinery (ACM) |
Publisher Date | 2009-11-02 |
Access Restriction | Subscribed |
Content Type | Text |
Resource Type | Article |
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