Electronics and Telecommunications Research Institute

Ji Young Kwak

Sae Hoon Kang

Yong Yoon Shin

Kyung Hee Lee

Byung Yun Lee

Ji Yong Kim

Hyun Joo Bae

Sun Hee Yang

Ji Soo Shin

Sung Ho Ahn

Dong Myung Sul

Nam Seok Ko

Tae Sang Choi

Sang Sik Yoon

Sung Hyuk Byun

Jang Hee Yoo

Sang Heon Pack

Young Hwa Kim

Chung Lae Cho

Heung Nam Kim

Byung Joon Lee

Sae Hyong Park

Gwang Woo Park

Ho Sung Baek

Eun Ryung Lee

Doo Hyun Kim

Joseph C Vinod

Disclosed herein a method for configuration of semi-managed DHT based on NDN and system therefor. The method includes: managing and sharing manager nodes based on global information; generating a sub-range segment by partitioning a keyspace area, according to each group of the data peer nodes; managing the sub-range segment by distributing the sub-range segment corresponding to each group to data peer nodes of the each group; checking and analyzing liveness of the data peer node in the each group; estimating availability of the data peer nodes by predicting lifetime of data peer nodes through the checking and analyzing of liveliness; performing risk factor prediction that estimates data availability and sub-range management overhead; and performing a sub-range management decision at each of the manager nodes based on a result of the risk factor prediction, and performing a global stabilization decision required for global system stabilization.

Method for configuration of semi-managed DHT based on NDN and system therefor

A service stream control system includes at least one area controller configured to control a traffic path and content cashing within a domain (intra-area), a service content coordinator configured to determine and manage a caching location of content located in the domain, and a service stream controller configured to set an optimum path in accordance with a network traffic state by interworking with the at least one area controller and the service content coordinator, and forward target content corresponding to a content request with reference to a service stream forwarding graph generated based on the set path. Therefore, it is possible to enhance efficiency of a content-centric network (CCN).

Distributed forwarding system and method for service stream

A method for configuring a service function path (SFP) for a software defined network (SDN) based service function chain (SFC) may comprise configuring a SFC which is a set of ordered service functions (SFs) by reflecting requirements of a flow flowing into a network; generating a primary SFP that is a path through which the flow is to be actually transmitted in the network according to the SFC; generating a secondary SFP against an error of the primary SFP; and controlling a transmission path through which the flow is transmitted to be at least one of the primary SFP and the secondary SFP.

Apparatus and method for configuring service function path of service function chain based on software defined network

Provided is a distributed service function (SF) forwarding system that applies the corresponding service function chain (SFC) to traffic classified by a plurality of service network (SN) controller instances based on an SN overlay structure. Therefore, by selectively combining and executing necessary network functions (SFs) according to a path and traffic made up of defined component services, it is possible to dynamically configure and control one network service.

Distributed service function forwarding system

A system for distributed multi-domain routing control includes two or more software-defined network (SDN) controllers and virtual routers. The two or more SDN controllers create virtual topology information by collecting information about switches under the control thereof, exchange network information about a different virtual network, as well as create a routing path from a source terminal to a destination cross switch or a routing path from the destination cross switch to a destination terminal based on location identification information of the destination terminal and/or the virtual topology information. Then, the virtual routers manage communication between the different virtual tenant networks or communication between each virtual tenant network and an external network.

System and method for virtual network-based distributed multi-domain routing control

An original packet flow mapping apparatus and method based on an overlay network. The original packet flow mapping apparatus may include a packet-in message receiver, a flow controller, an overlay tunnel controller, and an interface, whereby flows can be identified even in a physical network segment on which an overlay link is implemented and then the flow can be mapped to an original flow.

Overlay network-based original packet flow mapping apparatus and method therefor

A system and method for virtualizing SDN-based network monitoring. The system for includes: an information collector, a monitoring component, an information converter, and a resource allocator, in which a user-defined virtual monitor is included so that integrated monitoring may be performed, and expandability may be guaranteed to dynamically respond to a user's, demands.

System and method for virtualizing software defined network (SDN)-based network monitoring

An apparatus and method for generating a Software Defined Network (SDN)-based virtual network. The apparatus includes a network information generator and a virtual network generator, in which an SDN-based virtual network desired by a user may be generated efficiently by allocating physical resources to reflect various user demands.

Apparatus and method for generating software defined network(SDN)-based virtual network according to user demand

Provided is a goods information providing terminal that includes an authentication unit authenticating a user based on bio information including a user's fingerprint and initiating a user session when the user is authenticated; a goods information request unit requesting a goods management server that manages goods information and information on the location of goods from a radio frequency identification (RFID) attached to the goods to provide the goods information and the information on the location of the goods; a goods information display unit displaying to the user the goods information or the information on the location of the goods acquired from the goods management server; and a goods processing unit acquiring goods information including how to contact a seller from the goods management server, and contacting an associated agency including the seller when the goods need to be repaired or exchanged.

Goods information providing terminal and goods management server for managing goods at home

A virtual mouse driving apparatus and method for processing a variety of gesture commands as equivalent mouse commands based on two-handed gesture information obtained by a video camera are provided. The virtual mouse driving method includes: keeping track of an input gesture input with the video camera; removing a background portion of the input gesture image and extracting a left-hand region and a right-hand region from the input gesture image whose background portion has been removed; recognizing a left-hand gesture and a right-hand gesture from the extracted left-hand region and the extracted right-hand region, respectively, and recognizing gesture commands corresponding to the recognition results; and executing the recognized gesture commands.

Virtual mouse driving apparatus and method using two-handed gestures

An integrated remote control system includes a remote control device for selecting and controlling a plurality of digital devices, each including a bit pattern tag having location information and device information. The remote control device includes a display, a light emitting module for emitting light toward the digital devices, a sensor for recognizing the tags of the digital devices, and a controller for analyzing the tags recognized by the sensor to provide the display information of the digital devices on the display and then controlling a digital device selected from the displayed digital devices.

Integrated remote control system for a plurality of digital devices

A system and method for multi-modal context-sensitive applications in a home network are provided. The system includes an input processing agent classifying inputs from a predetermined input device based on at least one criterion selected from the group consisting of an input block, an input type, a priority, and ranking and then outputting the classified inputs; an input collaboration agent performing real-time analysis on each of the inputs fed by the input processing agent to obtain a pre-defined output action for an input type corresponding to each input based on a user's context and performing a probabilistic inference on the inputs fed by the input processing agent to obtain a possible output action based on the user's context; and an agent server obtaining an output resource, which is available in the home network and corresponds to the user's context, based on the output action obtained by the input collaboration agent.

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Gwangju, South Korea

Ji Young Kwak