Such services are usually legacy systems or packaged applications that do not offer cleanly defined, large-grained interfaces of the type specified by an SOA.
这样的服务通常都是不能提供SOA所指定的清晰定义的、大粒度的接口类型的遗留系统或打包的应用程序。
3
In this way, high-level business process functionality is externalized for large-grained services.