Patents by Inventor Sung-Hyuk Byun

Sung-Hyuk Byun 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).

  • Publication number: 20210112004
    Abstract: Disclosed herein are a packet forwarding method and a node in a content centric network.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 15, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Sung Hyuk BYUN
  • Publication number: 20200136981
    Abstract: The present invention relates to a method and a device for fast forwarding a flow traffic in an information-centric networking (ICN). According to the present invention, a flow switching method for a network node of an information-centric networking (ICN) includes: identifying a data name contained in a received interest packet and identifying a flow name from the data name, thereby determining whether a flow entry corresponding to the identified flow name is present within a flow table (FT); identifying forwarding information base (FIB) entry information matched to the flow name from the corresponding flow entry and identifying an FIB entry corresponding to the FIB entry information; and transmitting the interest packet on the basis of interface information included in the identified FIB entry.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 30, 2020
    Inventor: Sung Hyuk BYUN
  • Publication number: 20190182356
    Abstract: The present invention relates generally to a network system. Particularly, the present invention relates to a networking method of performing functional data processing in a data-centric network system in which both a pull mode and a push mode are supported. In a data networking method in a data-centric network system of the present invention, a message containing context meta information is received, the received context meta information is analyzed, and from the result from the analysis, filtering for each function element used in a context filtering table (CFT) is performed. Also, function processing specified for a content including the filtered function element is performed.
    Type: Application
    Filed: December 5, 2018
    Publication date: June 13, 2019
    Inventors: Nam Seok KO, Sung Hyuk BYUN, Sun Me KIM
  • Publication number: 20190098104
    Abstract: A network infrastructure system implements data sharing and processing by using a network infrastructure to which an application terminal or application server constituting an application domain is connected in a shared manner, includes a plurality of network infrastructure nodes storing, processing, sharing data, wherein each of the plurality of network infrastructure nodes includes a data processing module including a data transfer function, a data distribution function, a data processing function, and a data sharing function which are provided to at least one of the application terminal and the application server.
    Type: Application
    Filed: September 14, 2018
    Publication date: March 28, 2019
    Inventors: Sun Me KIM, Nam Seok KO, Sang Ki KIM, Sung Hyuk BYUN, Dong Il SEO, Jea Hoon YU, Tae Whan YOO, Seung Hyun YOON, Sang Ho LEE
  • Patent number: 10020961
    Abstract: Provided herein a network virtualization apparatus and method, the apparatus including a tunnel manager configured to collect tunnel end points information within a network, and to connect each tunnel end point with a tunnel based on the tunnel end point information collected; a tunnel packet end point configured to receive a tunnel packet and process the packet such that an L2 switching may be performed, and to transmit the packet to a domain VSI (virtual switching instance); the domain VSI configured to perform the L2 switching on the processed packet, and to transmit the packet to a tunnel packet generator; and the tunnel packet generator configured to add a tunnel header to the packet for which the L2 switching has been performed to generate a new tunnel packet, and to transmit the new tunnel packet.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: July 10, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Sung Hyuk Byun
  • Patent number: 9960931
    Abstract: Provided herein is a proxy tunnel end point apparatus including a tunnel management unit configured to generate a tunnel; a VNID management unit configured to generate a VSI for a VNID; a tunnel packet end point unit configured to terminate the tunnel, extract VNID information from the packet, and transmit the terminated L2 packet to the VSI corresponding to the VNID; a VSI unit having a virtual port corresponding to each terminated tunnel in the tunnel packet end point unit, and configured to perform L2 switching on the terminated L2 packet transmitted from the tunnel packet end point unit and to transmit the L2 packet to a destination virtual port; and a tunnel packet generation unit configured to transmit the packet to a second tunnel end point unit of a destination of transmission, based on a destination virtual port information.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: May 1, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Sung Hyuk Byun
  • Patent number: 9900208
    Abstract: A protection switching management apparatus and method for effective use of resources in a multilayer or a multi-domain. The protection switching management method may include receiving an adaptation request from a network component included in an upper layer, determining whether to apply protection switching to a layer based on the received adaptation request, and setting a protection path in the layer based on a result of the determining.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: February 20, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dae Ub Kim, Sun Me Kim, Sung Hyuk Byun
  • Patent number: 9577921
    Abstract: The present invention relates to a multi-path communication device capable of improving energy use efficiency and a traffic distribution method for improving the energy use efficiency thereof, which can improve energy use efficiency of an entire network in multi-path communication by properly adjusting the number of paths for transmitting traffic according to traffic levels and distributing the traffic without distributing and transmitting the traffic to all possible paths.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: February 21, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Sung-Hyuk Byun
  • Publication number: 20170019292
    Abstract: A protection switching management apparatus and method for effective use of resources in a multilayer or a multi-domain. The protection switching management method may include receiving an adaptation request from a network component included in an upper layer, determining whether to apply protection switching to a layer based on the received adaptation request, and setting a protection path in the layer based on a result of the determining.
    Type: Application
    Filed: April 28, 2016
    Publication date: January 19, 2017
    Inventors: Dae Ub KIM, Sun Me KIM, Sung Hyuk BYUN
  • Publication number: 20160065384
    Abstract: Provided herein is a proxy tunnel end point apparatus including a tunnel management unit configured to generate a tunnel; a VNID management unit configured to generate a VSI for a VNID; a tunnel packet end point unit configured to terminate the tunnel, extract VNID information from the packet, and transmit the terminated L2 packet to the VSI corresponding to the VNID; a VSI unit having a virtual port corresponding to each terminated tunnel in the tunnel packet end point unit, and configured to perform L2 switching on the terminated L2 packet transmitted from the tunnel packet end point unit and to transmit the L2 packet to a destination virtual port; and a tunnel packet generation unit configured to transmit the packet to a second tunnel end point unit of a destination of transmission, based on a destination virtual port information.
    Type: Application
    Filed: August 11, 2015
    Publication date: March 3, 2016
    Inventor: Sung Hyuk BYUN
  • Publication number: 20150281075
    Abstract: A method and apparatus for processing an address resolution protocol (ARP) packet that searches, with respect to an ARP packet received from an end system, for a media access control (MAC) address of another end system indicated by the received ARP packet, transmits a proxy response packet to the end system that transmits an ARP packet using the found MAC address, and thus reduces an overload of a Layer 3 (L3) network through the proxy response packet being transmitted to the end system that transmits the ARP packet is provided.
    Type: Application
    Filed: March 20, 2015
    Publication date: October 1, 2015
    Inventors: Soo Myung PARK, Sun Me KIM, Tae Il KIM, Sung Hyuk BYUN, Chang Gyu LIM
  • Publication number: 20150271061
    Abstract: The present invention relates to a multi-path communication device capable of improving energy use efficiency and a traffic distribution method for improving the energy use efficiency thereof, which can improve energy use efficiency of an entire network in multi-path communication by properly adjusting the number of paths for transmitting traffic according to traffic levels and distributing the traffic without distributing and transmitting the traffic to all possible paths.
    Type: Application
    Filed: October 18, 2013
    Publication date: September 24, 2015
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Sung-Hyuk Byun
  • Publication number: 20150229523
    Abstract: Provided is an operating method of a database server in a Virtual eXtensible Local Area Network (VXLAN) system including a network administrator, the database server, a switch and at least one end system. The database server may maintain a table including information about a network profile and information about a service profile, receive, from the switch, a request for information on a virtual station interface (VSI) type corresponding to a request message for setting up and canceling a VXLAN service that the switch receives from the at least one end system, retrieve a network property corresponding to the VSI type from the table in response to the request, and provide the retrieved network property to the switch.
    Type: Application
    Filed: February 11, 2015
    Publication date: August 13, 2015
    Inventors: Soo Myung PARK, Sun Me KIM, Tae Il KIM, Sung Hyuk BYUN, Chang Gyu LIM
  • Publication number: 20150188728
    Abstract: Provided herein a network virtualization apparatus and method, the apparatus including a tunnel manager configured to collect tunnel end points information within a network, and to connect each tunnel end point with a tunnel based on the tunnel end point information collected; a tunnel packet end point configured to receive a tunnel packet and process the packet such that an L2 switching may be performed, and to transmit the packet to a domain VSI (virtual switching instance); the domain VSI configured to perform the L2 switching on the processed packet, and to transmit the packet to a tunnel packet generator; and the tunnel packet generator configured to add a tunnel header to the packet for which the L2 switching has been performed to generate a new tunnel packet, and to transmit the new tunnel packet.
    Type: Application
    Filed: December 26, 2014
    Publication date: July 2, 2015
    Inventor: Sung Hyuk BYUN
  • Patent number: 8837308
    Abstract: A power-efficient link group-based communication system is provided. In link group-based communication, according to the amount of transmitted traffic, an appropriate number of links in a link group are set to active mode to be used for traffic transmission, and the rest of the links in the link group are set to power save mode, thereby not transmitting traffic. Thus, efficient power reduction in the link group-based communication can be realized.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: September 16, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventor: Sung Hyuk Byun
  • Publication number: 20140189357
    Abstract: Disclosed are an encryption and authentication-based network management method and apparatus. A network management method according to an embodiment of the present invention includes: generating a public key and a private key for encryption and decryption of network attribute information to be used by a virtual machine positioned in the network server to provide the generated public key to a database; receiving network attribute information encrypted by the database with the public key from the database; and decrypting the received network attribute information with the private key to authenticate the network attribute information.
    Type: Application
    Filed: November 19, 2013
    Publication date: July 3, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Soo-Myung PARK, Sung-Hyuk BYUN
  • Publication number: 20110103246
    Abstract: A power-efficient link group-based communication system is provided. In link group-based communication, according to the amount of transmitted traffic, an appropriate number of links in a link group are set to active mode to be used for traffic transmission, and the rest of the links in the link group are set to power save mode, thereby not transmitting traffic. Thus, efficient power reduction in the link group-based communication can be realized.
    Type: Application
    Filed: October 20, 2010
    Publication date: May 5, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventor: Sung Hyuk BYUN
  • Patent number: 7522527
    Abstract: Disclosed is a configuration method and device for a two-dimensional expandable crossbar matrix switch for application to tera-level high-speed and large-capacity switches. The present invention includes N input ports, N output ports, and an N×N matrix switch for transmitting cells between the input and output ports. Each input port includes N VOQs which are sequentially combined by n VOQs to configure respective L VOQ groups. The L VOQ groups are connected to L XSUs through independent interface ports. Therefore, each input port can transmit a maximum of L cells to the matrix switch during one cell time slot.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: April 21, 2009
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jong-Arm Jun, Sung-Hyuk Byun, Byung-Jun Ahn, Seung-Yeob Nam, Dan-Keun Sung
  • Patent number: 7492782
    Abstract: A high speed and high capacity switching apparatus is disclosed. The apparatus includes: N input ports each of which for outputting maximum l cells in a time slot, wherein each of the N input ports includes N virtual output queues (VOQs) which are grouped in l virtual output queues group with n VOQs; N×N switch fabric having l2 crossbar switch units for scheduling cells inputted from N input ports based on a first arbitration function based on a round-robin, wherein l VOQ groups are connected to l XSUs; and N output ports connected to l XSUs for selecting one cell from l XSUs in a cell time slot by scheduling cells by a second arbitration function based on a backlog weighed round-robin, which operates independently of the first arbitration function, and transferring the selected cell to its output link.
    Type: Grant
    Filed: November 15, 2004
    Date of Patent: February 17, 2009
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jong-Arm Jun, Sung-Hyuk Byun, Byungjun Ahn, Young-Sun Kim
  • Publication number: 20050152352
    Abstract: A high speed and high capacity switching apparatus is disclosed. The apparatus includes: N input ports each of which for outputting maximum l cells in a time slot, wherein each of the N input ports includes N virtual output queues (VOQs) which are grouped in l virtual output queues group with n VOQs; N×N switch fabric having l2 crossbar switch units for scheduling cells inputted from N input ports based on a first arbitration function based on a round-robin, wherein l VOQ groups are connected to l XSUs; and N output ports connected to l XSUs for selecting one cell from l XSUs in a cell time slot by scheduling cells by a second arbitration function based on a backlog weighed round-robin, which operates independently of the first arbitration function, and transferring the selected cell to its output link.
    Type: Application
    Filed: November 15, 2004
    Publication date: July 14, 2005
    Inventors: Jong-Arm Jun, Sung-Hyuk Byun, Byungjun Ahn, Young-Sun Kim