Patent ID: 11863348
Assignee: CISCO TECHNOLOGY, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A method comprising:
in a first device roaming in a visited domain, receiving a first message from a second device in a home domain; and
communicating, to the second device, a response to the first message, wherein the first message and the response are communicated through a tunnel between a controller in the visited domain and a controller in the home domain, wherein the tunnel is opened by the controller in the home domain in response to the controller in the home domain determining that the second device is a router, and wherein the controller in the home domain generates a response to a second message as a proxy for the first device in response to the controller in the home domain determining that a third device that broadcasted the second message in the home domain is not a router.