Communication method and related device

A communication apparatus, comprising:

• at least one memory configured to store program instructions;
• and
• at least one processor configured to execute the program instruction stored in the memory, to enable the apparatus to perform operations comprising:
• receiving first information from a first radio access network device, wherein the first information comprises service information of a service of the apparatus and a resource configuration mode on a sidelink, and there is a correspondence between the service information and the resource configuration mode on the sidelink;
• and
• transmitting, based on the correspondence, data corresponding to the service information on a sidelink transmission resource configured based on the resource configuration mode, wherein
• the sidelink is a wireless communications link between the apparatus and a terminal device.

A communication apparatus, comprising:

• at least one memory, configured to store program instructions;
• and
• at least one processor, configured to execute the program instruction stored in the memory, to enable the apparatus to perform operations comprising:
• sending first information to a first terminal device, wherein the first information comprises service information of a service of the first terminal device and a resource configuration mode on a sidelink, and there is a correspondence between the service information and the resource configuration mode on the sidelink, wherein
• the sidelink is a wireless communications link between the first terminal device and a second terminal device.