Electronics and Telecommunications Research Institute

Ho Yong Ryu

Ho Sun Yoon

Pyung Koo Park

Sung Back Hong

Sun Cheul Kim

Seong Mo Moon

Young Soo Shin

Tae Heum Na

Jung Sik Kim

Seungwoo Hong

Seung Woo Hong

Sang Jin Hong

Soon Seok Lee

Pyung-Koo Park

Chang Sik Lee

Sung Hyun Yoon

Hyub Woo Jeon

A processor partitions a deep neural network having a plurality of exit points and at least one partition point in a branch corresponding to each of the exit points, for distributed processing in an edge device and a cloud. The processor sets environmental variables and training variables for training, selects an action to move at least one of an exit point and a partition point from a combination of the exit point and the partition point corresponding to a current state, performs the training by accumulating experience data using a reward according to the selected action and then moves to a next state, and outputs a combination of an optimal exit point and a partition point as a result of the training.

Method and apparatus for partitioning deep neural networks

Disclosed are a method and apparatus for modeling a network configuration protocol (NETCONF)-based network device instruction with a yet another next generation (YANG) language. The method of modeling the NETCONF)-based network device instruction with the YANG language includes: searching for at least one instruction from a source file for controlling a NETCONF-based network device; parsing the retrieved instruction into a plurality of tokens; mapping each parsed token with a data type of the YANG language according to a previously defined mapping rule; and generating a YANG model corresponding to the at least one instruction according to mapping results. Accordingly, the YANG model is immediately generated reflecting changes in an instruction of a network system.

Method and apparatus for modeling NETCONF-based network system instructions with YANG language

An operation method of a server in a communication system may comprise receiving device information from each of a plurality of devices; generating service modeling information for each of a plurality of services; generating category modeling information for sub-services of each of the plurality of services based on the device information and the service modeling information; receiving service information; generating device modeling information corresponding to the category modeling information based on the service information; and transmitting the device modeling information to each of the plurality devices corresponding to the device modeling information, wherein the device modeling information includes configuration information for a network service function corresponding to a device corresponding to the device modeling information.

Apparatus and method for controlling network device based on network service in communication system

An apparatus for testing and developing products of network computing based on an open-source virtualized cloud includes a physical space, a network function virtualization (NFV) infrastructure domain space that provides a virtualization function in an independent environment of each user; an NFV engine space that provides a processing based environment for virtual appliances which are units of a virtual network device that is individually operable, a framework space that provides support to allow the virtual appliances to be developed and registered, and a virtual network service space that provides a user interface interoperating with the framework space so that a user configures a virtual network through the user interface and a test function of the configured virtual network is supported.

Apparatus for testing and developing products of network computing based on open-source virtualized cloud

There are provided a function processing apparatus and function processing method dynamically process network function using commands. A function processing apparatus includes a communication unit for performing communication with at least one user interface and at least one software component, and a controller for, if first command related information is received from the at least one software component, forming a command tree on the basis of the first command related information and transmitting the first command related information to the at least one user interface, and, if second command related information is received from at least one user interface, transmitting the second command related information to a software component corresponding to the second command related information.

Function processing apparatus and function processing method dynamically process network function using commands

Disclosed are a method of controlling a process based on a network operation mode and an apparatus therefor. A process controlling method performed in a network device includes determining an operation mode for an operating system of the network device, determining an entity for controlling a process based on the determined operation mode, and controlling the process through the determined entity. According to the present invention, it is possible to control a process lifecycle through the same interface regardless of the network operation mode.

Method for controlling process based on network operation mode and apparatus therefor

Provided are methods of ensuring network continuity performed at a local gateway, a fixed gateway, and a network device. The method of ensuring network continuity performed at a local gateway includes establishing a tunnel with a fixed gateway serving as a relay between an Internet service server and the local gateway, and performing communication with the fixed gateway through the tunnel. Therefore, even when the type of an uplink signal received by a local gateway changes or the local gateway is in an uplink signal shadow area, a terminal connected to the local gateway can be provided with a seamless Internet service.

Methods of ensuring network continuity performed at local gateway, fixed gateway, and network device

Disclosed are a logical network separation method and apparatus. The logical network separation method includes generating a first hash key on the basis of address information included in a service request packet, generating hash information on the basis of a transmission property of the service request packet corresponding to the first hash key when the same hash key as the first hash key is not in the hash table, and generating the policy about the reception of the service response packet corresponding to the service request packet on the basis of a destination of the service request packet. Accordingly, it is possible to block a cyber attack such as hacking, a malicious program, etc.

Logical network separation method and apparatus

A home cloud gateway apparatus that is connected to an indoor home network and that provides a service to a client that connects through the network includes an Internet interface unit, a phone exchange unit, a storage unit that stores a virtual computer module, and an authentication processor. The home cloud gateway apparatus provides a virtual computer service by activating the virtualization module that is stored at the storage unit, and provides a phone call service through the Internet and a phone call service through the Internet and a phone network using the Internet interface unit and the phone exchange unit.

Home cloud gateway apparatus for multi-service and method of providing service using the same

Disclosed are a system for managing virtual private networks (VPNs) includes: terminals configured to transmit user data; a manager configured to transmit information for concealing networks and managing the VPNs; border gateways configured to decrypt the user data and perform a network address translation (NAT) procedure and a filtering procedure on the decrypted user data based on the information; and servers configured to receive the user data subjected to the NAT procedure and the filtering procedure, wherein the filtering procedure is a procedure discarding the user data to be transferred to the servers that are not allowed so as to allow the terminals to access only the allowed servers, the NAT procedure is a procedure changing an Internet protocol (IP) address used in a first network to an IP address used in a second network, and the first network and the second network are different networks.

System for managing virtual private network and method thereof

Provided is a radio frequency identification (RFID) tag device. The RFID tag device includes memory which stores ID information and a second count value, and a certification unit which performs a certification process according to a keyed hash value received from the outside and a result of a comparison between first and second count values received from the outside, and adjusts the second count value.

RFID tag device and method of recognizing the same

A security method in a server-based mobile IP system is provided. Specifically, in the security method, general data is securely exchanged in addition to a control message that is exchanged between a mobile node and a server or between mobile nodes. Specifically, provided is a method of securely exchanging data by using a mobile node including an mPAK execution module generating necessary keys by exchanging key information with the server while performing a mutual authentication process and negotiating the security policy; and a security module setting a security policy that is negotiated with the corresponding node and applying the security policy to data according to the set security policy when transmitting the data.

Security method of mobile internet protocol based server

Provided is a method of establishing a user centric virtual network. The method includes: performing a first tunneling operation between a first tunnel end and an address translation device, which are connected to a first private network, and a tunnel relay device; performing a second tunneling operation between a second tunnel end and an address translation device, which are connected to a second private network, and the tunnel relay device; and performing a third tunneling operation between the tunnel relay device and an end client, wherein a virtual IP is allocated to each of the first and second tunnel ends, the address translation devices, the end client, and the tunnel relay device; and each of the first to third tunneling operations connects routing information on the virtual IP to a corresponding tunnel.

User centric virtual network and method of establishing the same

In a plurality of virtual tunnel routers including a first virtual tunnel router and a second virtual tunnel router, the first virtual tunnel router and the second virtual tunnel router request virtual network prefix information from a tunnel mapping controller. When the tunnel mapping controller generates virtual network prefix information of the first virtual tunnel router and the second virtual tunnel router, respectively, and transmits the same along with information of a list of adjacent virtual tunnel routers, the first virtual tunnel router and the second virtual tunnel router create a tunnel. With the tunnel established, the virtual network prefix information received by the first virtual tunnel router and second virtual tunnel router, respectively, is linked so that direct communication can be performed between the first virtual tunnel router and the second virtual tunnel router.

Method of network-based communication in virtual network environment

The invention relates to a method and an apparatus for controlling seamless handover between heterogeneous networks based on IPv6 over IPv4 tunneling. When IPv6 service is provided using tunneling in an IPv4 based network environment, handover of a mobile terminal between different networks is achieved through switching of an active tunnel and a standby tunnel, and thus handover between different networks is facilitated and data loss is prevented to secure continuity of service provided to the mobile terminal even when the mobile terminal hands over to a heterogeneous network.

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Daejeon, South Korea

Ho Yong Ryu