US 12,457,232 B2
Packet collection method and packet collection apparatus for virtualization core network session management
Hyun Jong Seo, Seongnam-si (KR); and Gu Min Nam, Anyang-si (KR)
Assigned to WINS Co., Ltd., Seongnam-si (KR)
Filed by WINS Co., Ltd., Seongnam-si (KR)
Filed on Jul. 13, 2023, as Appl. No. 18/352,193.
Claims priority of application No. 10-2022-0158916 (KR), filed on Nov. 24, 2022.
Prior Publication US 2024/0179165 A1, May 30, 2024
Int. Cl. H04L 9/40 (2022.01); G06F 9/455 (2018.01); H04L 12/24 (2006.01); H04L 12/26 (2006.01); H04L 15/16 (2006.01); H04L 29/08 (2006.01); H04L 67/142 (2022.01); H04W 72/04 (2023.01)
CPC H04L 63/1425 (2013.01) [G06F 9/45558 (2013.01); H04L 63/1416 (2013.01); H04L 67/142 (2013.01); G06F 2009/45595 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A packet collection method for virtualization core network session management performed by a packet collection apparatus for virtualization core network session management, the packet collection method comprising:
an operation (A) of transmitting a control-related packet to be transmitted via a session management unit of an attack detection device through software-defined networking (SDN) when transmission of the control-related packet occurs in a mobile communication virtual machine; and
an operation (B) of the session management unit extracting and collecting session information from the control-related packet received through the SDN,
wherein the mobile communication virtual machine comprises a 3G virtual machine, a 4G virtual machine, and a 5G virtual machine, and
wherein the operation (A) comprises:
an operation (A-1) of transmitting a control-related packet to be transmitted between a serving GPRS (general packet radio service) support node (SGSN) and a gateway GPRS support node (GGSN) of the 3G virtual machine via the session management unit of the attack detection device through the SDN;
an operation (A-2) of transmitting a control-related packet to be transmitted between a serving gateway (S-GW) and a packet data network gateway (P-GW) of the 4G virtual machine via the session management unit of the attack detection device through the SDN; and
an operation (A-3) of transmitting a control-related packet to be transmitted between an access and mobility management function (AMF) and a session management function (SMF) of the 5G virtual machine via the session management unit of the attack detection device through the SDN.