Patent ID: 11949652
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An electronic device, comprising:
a memory configured to store identification information of at least one external electronic device to which an Internet Protocol Version 6 (IPv6)-based Internet Protocol (IP) address is allocatable, the IPv6-based IP address being global address;
a communication circuit; and
a processor,
wherein the processor is configured to:
receive, from the external electronic device, a router solicitation including a link local address generated by the external electronic device, and identification information of the external electronic device,
store, in the memory, the link local address included in the router solicitation,
determine whether the identification information of the external electronic device included in the router solicitation is stored in the memory, and
if the identification information of the external electronic device is stored in the memory:
control the communication circuit to transmit a router advertisement including information related to generation of the IPv6-based IP address to the external electronic device,
control the communication circuit to transmit the router advertisement to the external electronic device via the link local address, in response to detecting satisfaction of a predetermined condition, wherein the predetermined condition is related to renewal of the IVv6-based IP address,

wherein the router advertisement including the information related to generation of the IPv6-based IP address is not transmitted to the external electronic device if the electronic device receives the router solication from the external electronic device and the identification information of the external electronic device is not stored in the memory.