| 摘要 |
A system and method for varying content is disclosed. The system and method can be used to vary the information that is sent to an on board unit by a service provider. In some cases, the system can send different types of information to an on board unit, and in other cases, the system can vary the level of detail of the information that is sent. The system can also include provisions to prevent the unwanted termination of network connections.
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