主要的差异是安全需求，因为大多数应用程序特定的计费和计量与私有或公共云计算是类似的。

The main differences are the security requirements, as most application-specific billing and metering are similar for private or public cloud computing.

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在计费和计量方面存在实例层功能局限的高级平台，会选择提供通用计费模式，这种模式在运行应用程序代码时会产生固定费用。

Advanced platforms that have a limited instance-level ability to provide metering and billing often opt to provide generalized billing models in which there is a flat fee to run application code.

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如果计量是基于事务，并且利用云计算成本分配模型，那么要确定将成本特定的设计模式包含在您的应用程序代码中。

If metering is based on transactions and leveraging the cloud computing cost allocation model, be sure to include cost-specific design patterns in your application code.

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