Cloud computing is designed to provide on demand resources or services over the Internet, usually at the scale and with the reliability level of a data center.
云计算旨在通过Internet提供随需应变的资源或服务，通常视数据中心的规模和可靠性水平而定。
2
Therefore, computing network system reliability is very important for synthesis.
因此，在网络设计中，系统可靠性的计算就显得十分重要。
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Ordered Binary Decision Diagram (OBDD) is one of the most efficient tools for computing network reliability.