您可能会选择冒一定的风险，或者自己完成服务提供商未履行的一些事情。
You may choose to take on risk or responsibility for some of these things that the provider does not.
服务订阅者可以通过通过完成服务提供方提供的在服务注册中心中的表格或契约在给定的服务中注册感兴趣的内容。
Service subscribers should be able to register an interest in a given service by completing a form or contract in the service registry that the service provider offers.
这些认识上的一致大部分都能在服务水平协议(Service - Level Agreement, SLA)进行捕获，形成服务提供者愿意提供且服务使用者愿意接受的可度量目标。
Much of this understanding can be captured in a service-level agreement (SLA), measurable goals that a service provider agrees to meet and that a service consumer agrees to live with.
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