ISO 10681-2:2010

Road vehicles - Communication on FlexRay - Part 2 : communication layer services

ISO 10681-2:2010 specifies the requirements for a communication protocol tailored to meet the requirements of FlexRay-based vehicle network systems as specified in the FlexRay Communications Systems Protocol Specification. As the communication protocol combines the network-layer and transport-layer functionality (OSI layers 3 and 4), this document does not explicitly distinguish between these layer services.

The technical features of this communication protocol are as follows: transmit messages with known data length; transmit messages with unknown but finite data length; additional acknowledgement with retry mechanism; routing data on the fly; support of dynamic frame length.

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