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U.S. Department of Transportation
Research and Innovative Technology Administration
Triscallion_Black
Communications
§Operational Communication
□WSMP over 5.9GHz DSRC for V-V between mobile devices.
□WSMP over 5.9GHz DSRC for V-I between mobile devices and roadside devices.
□IP over 5.9GHz DSRC for point-to-point between mobile devices and roadside devices.
□IP over Internet for point-to-point between roadside devices and Internet-based devices.
§Provisioning and Maintenance Communication
□IP over Serial medium (Ethernet, USB) between all devices and temporarily-attached tools.
□File content in removable medium (SD, USB) in certain mobile devices.
□NO mobile device or field device provisioning from Internet-based devices
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•All communications will be signed using a common cryptographic process.
•The receiving party of a communication will be responsible for determining the authenticity of any message.
•Internet-based device provisioning will be deferred until proper processes can be defined.