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Log and Trace Protocol Specification Introduction and overview This protocol specification defines the format, message sequences and semantics of the AUTOSAR Protocol Dlt. The protocol allows sending Diagnostic, Log and Trace information onto the communications bus. Therefore, the Dlt module collects debug information from applications or other software modules, adds metadata to the debug information, and sends it to the communications bus. In addition, the Dlt Protocol allows filtering of debug information depending on the severity level, e.g. “fatal”, “error” or “information”. This filter can be modified during runtime via Dlt Control Messages sent by an external Logging Tool to the Dlt module. It is also possible to directly inform applications about the new filter level to only generate debug information especially for this selected severity level, assign messages to another communications bus at runtime, or to store the modified Dlt configuration non-volatile (if supported by hard...