Policy sets provide reusable quality of service configurations, which can be associated with the SCA Web services bindings defined in a composition unit.

策略集提供可重用的服务质量配置，这些配置可以与组合单元中定义的SCA Web服务绑定相关联。

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In addition, Policy Sets can be applied to WebSphere ESB exports and imports so that standard Web service quality of service headers can be required of or applied to messages.

另外，可以对WebSphere ES b导出和导入应用策略集，从而确保对消息应用标准的Web服务质量头部。

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These policy sets can be used to realize SCA quality of service assertions (intents) when Web services bindings are being used.

当使用Web服务绑定时，这些策略集可用于实现SCA服务质量断言(意图)。

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As increasing numbers of consumers become used to the quality of service offered by the best web retailers and service providers, their willingness to accept slum standards in the public sector is coming under strain.

ECONOMIST: A survey of government and the Internet