This standard specifies the Data Link Layer and Physical Layer of the CAN protocol, including high-speed CAN (up to 1 Mbit/s), multi-master and multi-slave networks, priority-based bus access, and error detection and handling.
Here's a draft post you can use:
This standard is essential for automotive manufacturers and suppliers, industrial automation professionals, electronics engineers, and anyone working with CAN-based systems. iso 11898-2 pdf download