Method and Apparatus for Discovering Edge Service

A method, comprising:

• receiving application function request information, wherein the application function request information is used to control routing of a service traffic;
• generating first information based on the application function request information, wherein the first information comprises first service information, and the first information is for determining a same data network access identifier for terminal devices in a terminal group;
• and
• sending the first information.

A communication apparatus, comprising at least one processor coupled to at least one memory storing instructions and configured to execute the instructions to cause the apparatus to:

• receive first information, wherein the first information comprises first service information;
• receive second information, wherein the second information comprises first domain name information, the first domain name information is comprised in first DNS query request information from a first terminal device, and the first DNS query request information is used to request application server address information corresponding to the first domain name information;
• when the first service information comprises the first domain name information, determine, for the first terminal device, a data network access identifier that is the same as that of a second terminal device, wherein the second terminal device and the first terminal device access a same service;
• determine second option information based on the data network access identifier;
• and
• send a third rule, wherein the third rule comprises the second option information, and the second option information is for determining application server address information.

A communication apparatus, comprising:

• receiving application function request information, wherein the application function request information is used to control routing of a service traffic;
• generating first information based on the application function request information, wherein the first information comprises first service information, and the first information is for determining a same data network access identifier for terminal devices in a terminal group;
• and
• sending the first information.