Soongsil University

Korea Electronics Technology Institute

Mmc Technology, Inc.

Young Han Kim

Sae Woong Bahk

Hyo Gon Kim

Kyoung Jae Sun

Sang Ki Yun

Jang Won Lee

Yun Jae Won

Seung Ok Lim

Yeon Kug Moon

Yong Seok Lim

Sung Guk Yoon

Min Su Kang

Hyun Sik Yang

Doan Van Tung

Do Truong Xuan

Kyu Young Choi

Ik Hyeon Kim

Hyun Seuk Ahn

Le Hoanh Huu ThoP

Chang Seok Yun

Ngoc Thanh Dinh

Minh Ngoc Tran

Ho Joon Won

Seung Hyeon Kim

Jae Eun Cho

Dinh Ngoc Thanh

Thanh Hai Ngo

Jong Hun Han

Eui Jin Cho

An NFV infrastructure system based on a container infrastructure includes a master node configured to distribute and manage a virtual network function (VNF) which is an individual network function according to a request by an administrator; and a worker node of an extended container infrastructure structure which allocates the distributed VNF to a VM based infrastructure or a container based infrastructure, wherein a resource model between the master node and the worker node is a resource model which is the same as a resource model according to the request by the administrator.

NFV infrastructure system based on extended container infrastructure

An edge computing service-providing method and an apparatus for the same are disclosed. An infrastructure information apparatus for an edge computing service located in a control plane of a mobile communication network comprises an API server that receives a user plane function (UPF) selection request message from a session management function (SMF) of the mobile communication network when there is an edge computing service request from a user equipment (UE), a local database that stores at least one of a plurality of service names, a plurality of service identifiers corresponding to the plurality of service names, a plurality of MEC (multi-access edge computing) server identifiers, resource status information for each of the plurality of MEC servers, a UPF identifier for connection to each of the plurality of MEC servers, and a user terminal identifier connected to each of the plurality of MEC servers, and an analyzer that selects an optimal MEC server for providing the requested edge computing service through information stored in the local database or through query and response with an information system in a cloud computing infrastructure or Internet infrastructure, wherein the API server transmits a response message including a UPF identifier for connection to the selected optimal MEC server to the SMF.

Method for providing edge computing service and apparatus for edge computing service

Provided is a method for providing a service in an edge network system including a plurality of access points including steps of transmitting, by a terminal, a service request message including a name of a service to be provided to a first access point, transmitting, by the first access point, a service request response message including an estimated service execution time and data for authentication to the terminal, performing authentication between the terminal and the first access point based on the data for authentication for the estimated service execution time, and providing, by the first access point, a content corresponding to the service request message to the terminal, when the authentication between the terminal and the first access point is successful.

Method for providing service in edge network including multiple access points, and system therefor

An apparatus, method, and system for dynamic pod autoscaling in a serverless computing environment are disclosed. A dynamic pod autoscaling apparatus in a serverless computing environment comprises a processor; and a memory connected to the processor, wherein the memory stores program instructions for performing operations comprising registering, if there is a service request, a predefined first target value, collecting concurrency/rps (request per second) information of a first number of pods corresponding to the number of replica sets that is pod autoscaled according to the first target value, calculating the first target value as a second target value using the concurrency/rps information and average resource usage of the pod, dynamically changing the number of replica sets from the first number to a second number through the second target value.

Apparatus, method, and system for dynamic pod autoscaling in a serverless computing environment

Provided is a method for managing an address for an application of a LISP (Locator ID Separation Protocol) network system in a distributed container-based virtualization environment, and the method comprises detecting, by a service discovery agent of a container platform, generation of an application in a corresponding cluster; querying, by the service discovery agent, a service IP address to be assigned to an application to be generated by transmitting a service name to a central control plane; searching, by the control plane, for a service IP address matching the service name and transmitting the service IP address to the service discovery agent; and transmitting, by the service discovery agent, the service IP address to a manager of the container platform to complete the generation of the application, and mapping the service IP address to a public IP for the generated application to register it in the control plane.

Address management method and system for application in lisp-based distributed container virtualization environment

A service mesh traffic management apparatus, system, and method in a distributed Kubernetes multi-cluster environment are disclosed. A service mesh traffic management apparatus in a distributed Kubernetes multi-cluster environment comprises a processor, and a memory connected to the processor, wherein the memory stores program instructions executable by the processor for performing operations comprising receiving a monitoring metric collected by a Prometheus server distributed in the multi-cluster, selecting a first routing policy based on a predefined routing policy selection rule and the collected monitoring metric, comparing the first routing policy and a second routing policy currently in use, distributing, when the first routing policy and the second routing policy are different, the first routing policy to each proxy in the service mesh.

Apparatus, system and method for managing service mesh traffic in a distributed Kubernetes multi-cluster environment

The present invention relates to a serverless computing method and apparatus, and more particularly, to a serverless computing method and apparatus using mutual monitoring between network edges. The serverless computing method according to one embodiment of the present invention comprises monitoring, by an event handler of the first network edge, an event occurring in the second network edge, generating, by an event generating module of the second network edge, an event response signal through filtering on the event in response to the event occurring, transmitting, by an event delivery module of the second network edge, the event response signal to the event handler of the first network edge, and scaling an application, by an auto-scaler, in the first network edge based on the event response signal.

Serverless computing method and apparatus based on mutual monitoring between network edges

Disclosed are a method for performing network fault management in a cloud environment and a network fault management system. A method for performing network fault management in a cloud environment according to another exemplary embodiment of the present invention includes steps of measuring, by testing tools, the performance of a target server and transmitting a measurement result to a fault management unit, determining, by the fault management unit, a threshold and a policy for a target host based on the transmitted measurement result, generating, by the fault management unit, templated information including the determined threshold and policy, transmitting, by the fault management unit, the templated information to monitoring tools, and setting, by the monitoring tools, a monitoring policy of the target host based on the transmitted information.

Method for managing network failure in cloud environment and network failure management system

This application relates to an extremely high frequency (mmWave) wireless power transfer device, method, and system using a Rotman lens. The device includes a radio frequency (RF) chain including transmitters individually generating signals of a mmWave band, and adjusting phase and amplitude of each generated signal. The device may also include a switch matrix connected to the RF chain, having a matrix structure, and generating a beam pattern where the adjusted signals are combined through the switches. The device may further include a Rotman lens connected to the switch matrix and performing a signal beamforming of the beam pattern according to predetermined transmission paths, an antenna part connected to the Rotman lens and radiating the beamformed signal, and a controller controlling at least one of the phase, amplitude, beam pattern, or transmission path of the signal so that the signal is radiated.

Extremely high frequency wireless power transfer device, method, and system using Rotman lens

The present disclosure provides a method for processing data by an edge node including: receiving a data request from an application; confirming whether first data corresponding to the data request is included in a content storage of the edge node; confirming whether there is second data having a correlation with the first data which is equal to or higher than a predetermined threshold value based on a previously stored mapping table when the first data is not included in the content storage of the edge node; and transmitting the second data to the application when there is the second data having the correlation with the first data which is equal to or higher than the threshold value.

Method for processing data by edge node in network including plurality of terminals and edge node

According to one embodiment of the present invention, a system for configuring a cluster of virtualization network functions (VNFs) includes an infrastructure driver configured to register virtualized infrastructure managers (VIMs) of multiple sites distributed across a network, a monitoring tool configured to collect monitoring information through the registered VIMs, a request queue configured to receive a clustering request message, a network functions virtualization (NFV) embedder configured to define a resource requirement necessary for cluster creation using the monitoring information according to the clustering request message, a policy manager configured to form a clustering template according to the resource requirement, and a clustering engine configured to transmit a request for configuring a cluster to the VIMs according to the clustering template.

System and method for configuring cluster of virtualization network functions

A system and method for processing network packets based on NFV for ensuring high availability are disclosed. The disclosed system may include: at least one server, where a multiple number of VNF's for performing particular service functions are formed in the at least one server, each of the VNF's including at least one VNF instance; and a control apparatus that sequentially selects an M number of VNF's and selects one VNF instance from each of the selected M number of VNF's to configure an SFC, where the control apparatus may calculate an availability cost ratio value associated with each of the at least one VNF instance within VNF i+1 with respect to a VNF instance selected from VNF i (i being an integer from 1 to M) and may select a VNF instance within the VNF i+1 corresponding to the maximum value among the availability cost ratio values.

System and method for processing network packets based on NFV for ensuring high availability

Provided are a mobile evolve packet core (EPC) and a paging method using the same. The mobile EPC includes: a mobile EPC server providing an environment for operating a set of virtual machines (VMs), each of the virtual machines serving as a functional entity of a core network of a mobile communication system; a transmission module transmitting/receiving between the mobile EPC server and components of the mobile communication system or between the mobile EPC server and another mobile EPC server; and a mobile means with the mobile EPC server and the transmission module and providing mobility, wherein the mobile EPC moves to a disaster area to form a public safety network (PSN).

Mobile evolve packet core (EPC) and paging method using the same

A network packet processing apparatus using a service function chaining and a method of controlling the same are provided. The network packet processing apparatus includes a plurality of service function modules configuring the service function chaining, each of the plurality of service function modules being one of a stateful service function module and a stateless service function module. Also the network packet processing apparatus includes an input logger and an output logger used to perform fault-recovery, and a service function forwarder module forwarding a packet to the plurality of service function modules, the input logger, and the output logger through a path specified in the packet.

Apparatus for processing network packet using service function chaining and method for controlling the same

A method and a system for supporting mobility of a mobile terminal in a distributed mobile network based on a SDN are disclosed. A method of supporting a fast handover of a mobile terminal in a node-B (eNB) includes the steps of: receiving a handover initiation message from the mobile terminal, the handover initiation message including identification information and signal strength of a target eNB; determining whether or not for a fast handover trigger using the signal strength of the target eNB and movement history of the mobile terminal previously stored; and when it is determined as the fast handover trigger, transmitting a handover request message and a rule for the handover to the target eNB by using the identification information of the target eNB.

Growing community of inventors

Seoul, South Korea

Young Han Kim