提出了可靠性成本概念，建立了一个基于异构分布式系统实时容错调度模型。
The concept of reliability cost is presented, and a model of real time fault tolerant scheduling based on heterogeneous distributed systems given.
文章认为发电厂IT系统的信息集成涉及许多异构的数据源，并且有不同程度的实时信息查询的需求。
The information integration of IT systems in power plants involves many heterogeneous data sources, and has the demand for real-time information query.
为了满足客户和商业伙伴不断增加的对实时信息的需要，企业被迫连接他们的那些异构系统来提高数据利用率和数据的可靠性。
In order to fulfil the increase of real-time information need from customer and partner, enterprise has to joint all kinds of business system, and improve data utilization and enhance data reability.
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