US 11,729,137 B2
Method and device for edge application server discovery
Jicheol Lee, Suwon-si (KR); Hyesung Kim, Suwon-si (KR); and Sangsoo Jeong, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Feb. 17, 2022, as Appl. No. 17/674,287.
Claims priority of application No. KR10-2021-0022193 (KR), filed on Feb. 18, 2021; and application No. KR10-2021-0059456 (KR), filed on May 7, 2021.
Prior Publication US 2022/0263788 A1, Aug. 18, 2022
Int. Cl. H04L 61/4541 (2022.01); H04L 61/4511 (2022.01)
CPC H04L 61/4541 (2022.05) [H04L 61/4511 (2022.05)] 20 Claims
OG exemplary drawing
 
1. A method performed by an edge application server discover function (EASDF) entity, the method comprising:
receiving a context message comprising a domain name system (DNS) message processing rule from a session management function (SMF);
receiving a DNS query message from a user equipment (UE);
processing the DNS query message based on the DNS message processing rule;
transmitting the DNS query message to a DNS server based on the DNS message processing rule;
receiving a DNS response message comprising an edge application server (EAS) internet protocol (IP) address from the DNS server after transmitting the DNS query message;
transmitting, to the SMF, a report message related to the DNS response message based on the DNS message processing rule; and
transmitting the DNS response message to the UE,
wherein the DNS message processing rule comprises an identifier of the DNS message processing rule, an IP address range related to the DNS response message, and a reporting type indicating reporting-once of a DNS message corresponding to the IP address range.