公开(公告)号：US11838197B2

公开(公告)日：2023-12-05

申请号：US17513123

申请日：2021-10-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Pankaj Bhimrao Thorat ,  Vivek Soni ,  Satya Kumar Vankayala ,  Rajesh Challa

IPC: H04L43/16 ,  H04L47/2483 ,  H04L9/40

CPC classification number: H04L43/16 ,  H04L47/2483 ,  H04L63/1458 ,  H04L2463/141

Abstract: A Method and a system for securing a SDN controller from denial of service attack are provided. A SDN controller receives, from a networking device, data packets pertaining to a flow in Packet_IN messages, if the flow does not match flow entries in a first flow table of the networking device. A table miss flow entry pertaining to the flow is created in a second flow table of the networking device for sending the Packet_IN. The SDN controller installs a flood prevention flow entry in the second flow table to enable the networking device to drop subsequent data packets pertaining to the flow until the SDN controller installs, in the first flow table, a flow entry matching the flow. The flood prevention flow entry is deleted from the second flow table after the installation of the flow entry matching the flow.

公开(公告)号：US11277791B2

公开(公告)日：2022-03-15

申请号：US17073131

申请日：2020-10-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Pankaj Bhimrao Thorat ,  Rajesh Challa ,  Satya Kumar Vankayala ,  Vivek Soni

IPC: H04W48/18 ,  H04W28/02 ,  H04W48/16 ,  H04W8/08 ,  H04W60/00

Abstract: The present disclosure relates to method and system for user equipment (UE)-initiated network slice registration and traffic forwarding in telecommunication networks. In an embodiment, for network slice registration, UE transmits a registration request to an AMF via a base station of telecommunication network. In response to the registration request, the AMF transmits a registration accept response comprising network slice selection assistance information (NSSAI) to the UE. For traffic forwarding, the UE transmits a PDU session establishment request comprising single NSSAI to the telecommunication network. The base station of the telecommunication network maps the single NSSAI to a Flow Label field of IPv6 header and transmits to DPAF via specific SLF of the telecommunication network. DPAF compares QoS transport characteristics of the single NSSAI with QoS transport characteristics of the NSSAI in the DPAF of the telecommunication network and transmits a PDU session establishment response to the UE based on comparison.

公开(公告)号：US12137414B2

公开(公告)日：2024-11-05

申请号：US17484713

申请日：2021-09-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Karthikeyan Subramaniam ,  Karthikeyan Narayanan ,  Naveen Kumar ,  Veerabhadrappa Murigeppa Gadag ,  Vivek Soni

IPC: H04W52/02 ,  H04L12/26 ,  H04L43/0894 ,  H04W28/02 ,  H04W28/26 ,  H04W24/10

Abstract: The disclosure is related to a method for power management in a wireless communication system. The method includes measuring network resource utilization levels for a plurality of virtual network functions (VNFs) over a time period based on at least one network parameter, determining a behavioral pattern of the network resource utilization levels based on a predictive analysis of the measured network resource utilization levels, forecasting a lean workload time interval of the network resource utilization levels based on the determined behavioral pattern and current network resource utilization levels of the plurality of VNFs, and adjusting central processing unit (CPU) core frequencies of a network server based on the forecasted lean workload time interval.