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Use cases are vital to understand the interaction between the members of the ecosystem. For every required interaction services and orchestration will need to map this use cases to state changes in the ecosystem.

user use cases

The following diagram shows a subset of possible interactions between the members of that ecosystem. The diagram is not complete and serves illustrative purposes only. During the project, this diagram should become complete.

use cases - communication centered

There are various use cases someone can think of. The idea is to collect them and group them around how the data access must be organized to generate the value out of it.

1. "ghost driver warning" all cars in the vicinity of the "ghost driver" shall be warned
2. road block ahead - same as above
3. weather/road condition warning - is not as immediate as the use cases above
4. driving behaviour statistics
5. ...

For

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different use cases

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different access methods to the data must be available.

emergency broadcast

The immediate (low latency) warning must be triggered by car2car or car2x as a broadcast, receivers determine their position to determine the correct reaction.

Additionally should the cloud be used to broadcast the data to a broader audience as a warning.

weather warnings, data collection ...

The higher latency data access should be relayed via the cloud and distributed from there to preserve bandwith.

single use cases

The following use-cases will be required (open list):

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