A system , comprising: a vehicle , comprising: a vehicle interface unit positioned onboard the vehicle ; a bus recorder ; a databus ; a computing device positioned onboard the vehicle and communicatively coupled with the vehicle interface unit and the bus recorder via the databus , the computing device configured to: generate a data file ; store the data file in a buffer of the computing device; determine an available bandwidth of a transmission frame for the databus ; retrieve a selectively-sized portion of the data file based at least in part on the available bandwidth of the transmission frame ; divide the retrieved selectively-sized portion of the data file into transmission payloads ; and allocate the divided transmission payloads into available slots of the transmission frame , wherein the allocated transmission frame is transmitted over the databus and is received by the bus recorder , wherein each of the transmission payloads form a portion of a data word , wherein each of the data words has a label indicating the transmission payload is associated with the data file , and wherein the label indicating the transmission payload is associated with the data file is allocable into more than one of the available slots of the transmission frame . a vehicle , comprising: a vehicle interface unit positioned onboard the vehicle ; a bus recorder ; a databus ; a computing device positioned onboard the vehicle and communicatively coupled with the vehicle interface unit and the bus recorder via the databus , the computing device configured to: generate a data file ; store the data file in a buffer of the computing device; determine an available bandwidth of a transmission frame for the databus ; retrieve a selectively-sized portion of the data file based at least in part on the available bandwidth of the transmission frame ; divide the retrieved selectively-sized portion of the data file into transmission payloads ; and allocate the divided transmission payloads into available slots of the transmission frame , a vehicle interface unit positioned onboard the vehicle ; a bus recorder ; a databus ; a computing device positioned onboard the vehicle and communicatively coupled with the vehicle interface unit and the bus recorder via the databus , the computing device configured to: generate a data file ; store the data file in a buffer of the computing device; determine an available bandwidth of a transmission frame for the databus ; retrieve a selectively-sized portion of the data file based at least in part on the available bandwidth of the transmission frame ; divide the retrieved selectively-sized portion of the data file into transmission payloads ; and allocate the divided transmission payloads into available slots of the transmission frame , generate a data file ; store the data file in a buffer of the computing device; determine an available bandwidth of a transmission frame for the databus ; retrieve a selectively-sized portion of the data file based at least in part on the available bandwidth of the transmission frame ; divide the retrieved selectively-sized portion of the data file into transmission payloads ; and allocate the divided transmission payloads into available slots of the transmission frame , wherein the allocated transmission frame is transmitted over the databus and is received by the bus recorder , wherein each of the transmission payloads form a portion of a data word , wherein each of the data words has a label indicating the transmission payload is associated with the data file , and wherein the label indicating the transmission payload is associated with the data file is allocable into more than one of the available slots of the transmission frame . <EOS>