Patents by Inventor Hyung Seok Chung
Hyung Seok Chung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220132448Abstract: A synchronization method performed by a first communication node may include: receiving, from a second communication node of the communication system, a first synchronization information signal including information on a first synchronization reference time and information on a first offset; identifying information on a first time at which the first synchronization information signal is transmitted and information on a target synchronization time configured by the second communication node, based on the information included in the first synchronization information signal; setting a synchronization timer based on the information on the first offset; and when the synchronization timer expires, determining that time synchronization with the second communication node is acquired.Type: ApplicationFiled: October 26, 2021Publication date: April 28, 2022Inventors: In Hwan LEE, Dong Hyun AHN, Hyung Seok CHUNG
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Patent number: 9130868Abstract: Disclosed is an inter-layer path provisioning method and system in a multilayer network that may set, in response to a path setting request of an operator, an upper layer path to be interlocked with an upper layer path computation unit, set, separately from the setting of the upper layer path, a lower layer path to be interlocked with a lower layer path computation unit, and perform a connection between the set upper layer path and the set lower layer path, so that inter-layer path setting may be readily performed in a multilayer transport network.Type: GrantFiled: October 18, 2011Date of Patent: September 8, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Tae Yeon Kim, Seung Hyun Yoon, Hyung Seok Chung
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Publication number: 20150195764Abstract: Disclosed is a network service system including a terminal selectively providing packets of an information centric networking (ICN) protocol and an Internet protocol, a smart digital unit (DU) identifying whether the packets provided from the terminal correspond to an ICN protocol packet or an Internet protocol packet to transfer the packets through different paths depending on a type of the identified packet, and an ICN node receiving the ICN protocol packet from the smart DU to provide contents.Type: ApplicationFiled: January 7, 2015Publication date: July 9, 2015Inventors: Hyung Seok CHUNG, Ho Young SONG, Don Sung OH, Kyung Gyu CHUN, Yeong Jin KIM, Ho Yong RYU, Chie Teuk AHN
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Publication number: 20140317272Abstract: In a content network over which a plurality of smart nodes is coupled, a content network management system receives information response messages including pieces of management interface base (MIB) information from smart nodes. Next, the content network management system classifies the pieces of MIB information included in the received response messages into server resource information, topology information, and network resource information, and stores and manages the pieces of information.Type: ApplicationFiled: December 4, 2013Publication date: October 23, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Byeongsik KIM, Tae Yeon KIM, Dong Myoung BAEK, Seung Hyun YOON, Byung Joon LEE, Hong Seok JEON, Hyung Seok CHUNG, Ho Young SONG
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Publication number: 20140317271Abstract: In a content network over which a plurality of smart nodes is coupled, each smart node receives advertisement messages broadcasted by adjacent smart nodes. The advertisement message may be one of a link state advertisement (LSA) message including link state information indicative of a link that is a network interface, a server state advertisement (SSA) message including server state information indicative of a data storage state and a processing state of a processing unit of the smart node, and a content state advertisement (CSA) message including content state information indicative of content stored in the smart node. Each smart node updates its own database based on the information included in the received advertisement message.Type: ApplicationFiled: December 4, 2013Publication date: October 23, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Byeongsik KIM, Tae Yeon KIM, Dong Myoung BAEK, Seung Hyun YOON, Byung Joon LEE, Hong Seok JEON, Hyung Seok CHUNG, Ho Young SONG
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Publication number: 20140189793Abstract: Disclosed is a virtual file system for interworking between a content server and an information-centric network server, the system including: a file system function processing unit configured to process a file operation for a predetermined content requested from a plurality of content service protocols; a cache control unit configured to process the content requested through the file operation by managing a cache in a node; and a protocol matching unit configured to process the content requested through the file operation by interfacing with a plurality of content transfer protocols.Type: ApplicationFiled: December 20, 2013Publication date: July 3, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Tae Yeon KIM, Byung Joon LEE, Hong Seok JEON, Byeong Sik KIM, Byong Kwon MOON, Seung Hyun YOON, Hyung Seok CHUNG, In Sang CHOI, Ho Young SONG
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Publication number: 20140164608Abstract: In order to easily prevent traffic of a content data server, which provides an arbitrary content, from being overloaded, the content transmission system according to an exemplary embodiment includes a content data server which provides an arbitrary content to a plurality of terminals when a request signal for the arbitrary content is input from the plurality of terminals, a data control server which when the arbitrary content is provided, monitors whether the traffic of the content data server is overloaded and if the traffic is overloaded as a result of monitoring, generates a traffic distribution request signal, and a node control server which when the traffic distribution request signal is input from the data control server, controls to provide the arbitrary content to an arbitrary distribution node, which satisfies a setting standard among a plurality of distribution nodes, to be provided to an arbitrary terminal among the plurality of terminals.Type: ApplicationFiled: December 3, 2013Publication date: June 12, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Dong Myoung BAEK, Ho Young SONG, Seung Hyun YOON, Byeong Sik KIM, Tae Yeon KIM, Byung Joon LEE, Hong Seok JEON, Byong Kwon MOON, Hyung Seok CHUNG, In Sang CHOI
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Publication number: 20140146706Abstract: An apparatus for integrally managing a route between terminals of a multi-network and a method of setting a route between terminals of a multi-network are provided. The integrated route management system apparatus includes: a network route management processor that manages a route that is included in an individual network of the multi-network; a route state and performance monitoring unit that collects information about a route state and route performance from a network node that is included in the route; and an integrated route management processor that sets a route between terminals of the multi-network based on a route that is included in the individual network.Type: ApplicationFiled: November 21, 2013Publication date: May 29, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Hyung Seok CHUNG, Ho Young SONG, You Hyeon JEONG
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Publication number: 20140149531Abstract: The present invention relates to a content providing system and method combining a transparent Internet cache (TIC) server and a content delivery network (CDN), and more particularly, to a content providing system and method that may overcome limitation on capacity of a cache storage found in a TIC service and may also overcome limitation on service transparency found in a CDN service. According to the present invention, it is possible to overcome limitation on capacity of a cache storage found in an existing TIC service and to overcome limitation on service transparency found in a CDN by combining a TIC server and the CDN.Type: ApplicationFiled: November 25, 2013Publication date: May 29, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Hyung Seok CHUNG, Ho Young SONG, Seung Hyun YOON, Byong Kwon MOON, Hong Seok JEON, Tae Yeon KIM, Byeong Sik KIM
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Publication number: 20140078936Abstract: Disclosed are an apparatus for configuring an overlay network and a method thereof. An apparatus for configuring an overlay network may include a network configuring device collecting topology information and bandwidth information of a physical network and configuring one logical network including a plurality of predetermined nodes by using the collected topology information and bandwidth information of the physical network; and a storage device storing the topology information and bandwidth information of the physical network.Type: ApplicationFiled: June 21, 2013Publication date: March 20, 2014Inventors: Byeong Sik KIM, Tae Yeon KIM, Byong Kwon MOON, Seung Hyun YOON, Byung Joon LEE, Hong Seok JEON, Hyung Seok CHUNG, Ho Young SONG
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Patent number: 8595568Abstract: An integration agent device and its fault management method for a node including multi-layered devices are disclosed to effectively control a node including two or more communication devices of different layers and integrally processing relevant fault information. The integration agent device includes: one or more control and management modules controlling and managing one or more communications network devices by layer; and an inter-layer interworking processing module integrating and processing information of the communications network devices by using inter-layer interworking information, and notifying a management system accordingly, wherein the information of the communications network devices is transmitted through the one or more control and management.Type: GrantFiled: August 19, 2009Date of Patent: November 26, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Seung Hyun Yoon, You Hyeon Jeong, Hyung Seok Chung
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Patent number: 8295279Abstract: Disclosed is a routing method and apparatus for providing a different path by service. The routing method includes determining a service identification (ID) indicating a service requested by a packet by using a header in the packet; and searching for a service forwarding table corresponding to the service ID from a plurality of service forwarding tables storing different next hops by service and determining the packet's next hop.Type: GrantFiled: September 30, 2009Date of Patent: October 23, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Seung Hyun Yoon, Hyung Seok Chung, Sun Me Kim, Byung Jun Ahn, You Hyeon Jeong
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Publication number: 20120201251Abstract: A first path control management system of a first domain calculates a path in the first domain and transmits information of a connection node in the first domain to connect to a second domain to a second path control management system of the second domain. The second path control management system of the second domain calculates a path in the second domain and transmits a connection node of the second domain to connect to the first domain to the first path control management system. The first path control management system of the first domain and the second path control management system of the second domain receive information of connection nodes of the second domain and the first domain, respectively, thereby connecting a path between the first domain and the second domain.Type: ApplicationFiled: October 8, 2010Publication date: August 9, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Ki Won Kim, Hyung Seok Chung, Seung Hyun Yoon, Ho Young Song, TaeHyun Kwon
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Publication number: 20120093030Abstract: Disclosed is an inter-layer path provisioning method and system in a multilayer network that may set, in response to a path setting request of an operator, an upper layer path to be interlocked with an upper layer path computation unit, set, separately from the setting of the upper layer path, a lower layer path to be interlocked with a lower layer path computation unit, and perform a connection between the set upper layer path and the set lower layer path, so that inter-layer path setting may be readily performed in a multilayer transport network.Type: ApplicationFiled: October 18, 2011Publication date: April 19, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Tae Yeon KIM, Seung Hyun YOON, Hyung Seok CHUNG
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Publication number: 20110320857Abstract: A bottom-up (or upward) multilayer network recovery method and apparatus based on a root-cause analysis are disclosed to quickly and accurately perform a recovery operation. The bottom-up multilayer network recovery method based on a root-cause analysis includes: simultaneously counting, by a fault detection layer, a root-cause analysis (RA) time and a hold-off (HO) time, upon detecting an occurrence of a fault; performing, by the fault detection layer, a root-cause analysis during the RA time to recognize a layer in which a root-cause has occurred; when the root-cause has occurred in the fault detection layer, immediately recovering the fault by the fault detection layer, and when a root-cause has occurrence in a lower layer, waiting for the HO time until such time as the lower layer can recover the fault; and when the fault has not been recovered even after the HO time has lapsed, recovering the fault by the fault detection layer.Type: ApplicationFiled: June 23, 2011Publication date: December 29, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Tae Hyun Kwon, Hyung Seok Chung, You Hyeon Jeong, Ho Young Song, Young Wook Cha, Choon Hee Kim, Jin Nyun Kim
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Publication number: 20110075565Abstract: A control system and method for reducing the amount of power consumption of a communication network is provided. The amount of traffic usage and power consumption of communication equipment in the communication network is collected and energy efficiency of the communication equipment is calculated. An operation of the communication equipment and a communication path or routing of the communication network are controlled according to the calculated energy efficiency. Therefore, an operation of unnecessary communication equipment is controlled, thereby reducing the power consumption of the communication network.Type: ApplicationFiled: September 9, 2010Publication date: March 31, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Seung-Hyun YOON, Hyung-Seok Chung, Sun-Me Kim, Ho-Young Song, You-Hyeon Jeong
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Publication number: 20100166420Abstract: There is provided a method of controlling routes and resources in a packet-optic convergence network. The method includes receiving PTL route information between edge devices of the packet-optic convergence network, in which the PTL route information is provided through a route management system; monitoring a resource use state according to PTL route in the process of reserving, changing, or releasing resources in response to a request for the reservation, change, or release of the resources by a service control system; and changing PTL routes or resources allocated to the PTL routes through the route management system on the basis of the resource use state according to PTL route, thereby ensuring greater stability in providing an IP premium service with a Quality of Service (QoS) guarantee.Type: ApplicationFiled: December 17, 2009Publication date: July 1, 2010Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyung Seok CHUNG, You Hyeon JEONG
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Publication number: 20100162051Abstract: An integration agent device and its fault management method for a node including multi-layered devices are disclosed to effectively control a node including two or more communication devices of different layers and integrally processing relevant fault information. The integration agent device includes: one or more control and management modules controlling and managing one or more communications network devices by layer; and an inter-layer interworking processing module integrating and processing information of the communications network devices by using inter-layer interworking information, and notifying a management system accordingly, wherein the information of the communications network devices is transmitted through the one or more control and management.Type: ApplicationFiled: August 19, 2009Publication date: June 24, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Seung Hyun YOON, You Hyeon JEONG, Hyung Seok CHUNG
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Publication number: 20100135300Abstract: Disclosed is a routing method and apparatus for providing a different path by service. The routing method includes determining a service identification (ID) indicating a service requested by a packet by using a header in the packet; and searching for a service forwarding table corresponding to the service ID from a plurality of service forwarding tables storing different next hops by service and determining the packet's next hop.Type: ApplicationFiled: September 30, 2009Publication date: June 3, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Seung Hyun YOON, Hyung Seok CHUNG, Sun Me KIM, Byung Jun AHN, You Hyeon JEONG
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Patent number: 7715317Abstract: Provided is a flow generation method for Internet traffic measurement. In the flow generation method, dependency between packet collecting time and flow generating time is removed using a virtual timer and a flow generation completion processing interval is controlled to skip by a unit time in response to a user's request. Also, a fragmented packet processing method is selectively used at need and a FIN timeout is applied selectively to a timeout mechanism used in flow generation completion. Thereby, this invention can improve accuracy and efficiency of Internet traffic measurement.Type: GrantFiled: September 2, 2004Date of Patent: May 11, 2010Assignee: Electronics and Telecommunications Research InstituteInventors: Jeong Sook Park, Seung Hyun Yoon, Hyung Hwan Kim, Chang Hoon Kim, Hyung Seok Chung, Byung Joon Lee, Taesang Choi, Tae Soo Chung