Patent ID: 11956210
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 12:
13. A non-transitory computer readable medium having instructions stored thereon that, when executed by a processor, cause an application programming interface (API) gateway to:
receive a first API request;
obtain a first forwarding label corresponding to the first API request, wherein the first forwarding label comprises a first target security domain identifier, and a security domain identifier of the API gateway is different from the first target security domain identifier;
determine an address of a different API gateway according to a mapping relationship between the first target security domain identifier and the address of the different API gateway; and
send the first API request to the different API gateway based on the address of the different API gateway, wherein the different API gateway is a next-hop API gateway of the API gateway that sends the first API request to an API gateway corresponding to the first target security domain identifier.