8. Bindings
Applications rarely exist in isolation. External clients inside or beyond an organization’s firewall may require access to services offered by an application. Likewise, an application may need to access services hosted by other applications.
Within an SCA domain, wires are used to integrate services that may be co-located or hosted on different machines. However, it is often the case that a service may need access to another service that is not hosted in the same domain or is not an SCA service at all. In SCA, bindings provide the means to communicate outside the domain. Bindings are used to expose services to external clients via a network protocol such as web services. In addition, bindings connect references to external services ...
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