IBM defines SOA Quality Management as the process by which to assure services meet business requirements by validating service functionality and operations throughout the SOA Lifecycle.

IBM将SOA质量管理定义为这样一个过程，通过确认SOA生命周期中服务的功能和操作此过程能够确保服务满足业务需求。

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Third-party intermediaries can provide important SLA-related services: negotiating and validating an SLA, checking for SLA conformance, and gathering customer satisfaction metrics.

第三方中介体可以提供重要的、与SLA有关的服务：协商和验证sla、检查SLA一致性以及收集客户满意尺度。

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Step 4: Configure Web services security extensions and bindings for validating the usernametoken.

步骤4：为验证usernametoken配置Web服务安全扩展和绑定。

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