上面的两个模式都提高了语义互操作性和数据质量，可保证数据服务的服务水平协议(Service - Level Agreement,SLA)，而且降低了总体拥有成本(TCO)。
Both patterns improve semantic interoperability and data quality, guarantee the service-level agreements (SLAs) of data services, and reduce total cost of ownership (TCO).
SOA借用了网络管理和IT基础设施管理等其他信息技术领域的一些概念，比如策略、服务水平协议和服务质量。
SOA borrows concepts such as Policy, service Level Agreement and Quality of service from other aspects of Information Technology such as network management and managing it infrastructure.
为了保证服务质量，客户还可以要求工作人员编制由认证IT专家的要求，项目建议书，采购规格和服务水平协议。
To assure quality of service, clients can require staffing by certified it Specialists in requests for project proposals, procurement specifications and service level agreements.
为了保证服务质量，客户还可以要求工作人员编制由认证IT架构师在项目建议书的要求，采购的规格和服务水平协议。
To assure quality of service, clients can require staffing by certified it Architects in requests for project proposals, procurement specifications and service level agreements.
商业产品，以满足需要的服务质量和客户的需求通常提供的服务水平协议。
Commercial offerings need to meet the quality of service requirements of customers and typically offer service level agreements.
这个资源池通常采用根据使用频次进行付费的模式，设施提供商通过定制化的服务水平协议来提供质量保证。
This pool of resources is typically exploited by a pay-per-use model in which guarantees are offered by the Infrastructure Provider by means of customized SLAs.
这个资源池通常采用根据使用频次进行付费的模式，设施提供商通过定制化的服务水平协议来提供质量保证。
This pool of resources is typically exploited by a pay-per-use model in which guarantees are offered by the Infrastructure Provider by means of customized SLAs.
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