CAN XL is developed beginning 2018 to improve CAN FD further by the CiA CAN XL Special Interest Group

Up to now, there are three working draft documents available:

• CiA 610-1 CAN XL – Specifications and test plans – Part 1: Protocol and signal specification
• CiA 610-3 CAN XL - Specifications and test plans - Part 3: Physical media attachment sub-layer requirements
• CiA 611-1 CAN XL – Higher-layer functions – Part 1: Payload type and PDU headers

CAN XL: Bridging the bitrate gap between CAN FD and Ethernet (Kvaser)