Research Article
Providing Adapted Contextual Information in an Overlay Vehicular Network
Table 2
Environment Server-Group Server communication.
| Process | Messages | Sender |
| | ES_Registration | ES | Communication | ES_Registration_OK | GS | Management | ES_Registration_ERROR | GS | | ES_Registration_Update | ES | | ES_Registration_Update_Response | GS |
| Message | Neighbour_Groups_Query | ES | Propagation | Neighbour_Groups_Response | GS |
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