| 摘要 |
User devices may have connectivity with a backend server only occasionally. Provided is a communication means for such user devices to operate offline, when connectivity is unavailable, and to seamlessly transition to online connectivity when it is available. At least a subset of information from the backend server is communicated to the user device to enable the user to perform functions with the device regardless if the device is online or offline. The information from the user device can be communicated to the backend server when connectivity is established and/or can be communicated based on a cost verses value analysis.
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