请注意：这与服务是如何被执行的并不相关，而是与服务的消费者和提供者之间的相互作用相关。
Note: this is not about how the service is implemented, but rather the interaction between the consumers and providers for this service.
这是设计soa的关键部分，这是因为选择提供者建立了服务消费者和提供者之间的关系。
This is a key part of designing an SOA, because choosing providers establishes the relationships between service consumers and providers.
对服务相关的业务和技术进行适当的文档化，根据服务消费者和提供者。
Appropriately document both business - and technical aspects of services, with respect to service consumers and providers.
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