Patents by Inventor Byung Ho Yae
Byung Ho Yae 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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Patent number: 9621620Abstract: The present invention provides content providing apparatus and method and a content providing system which maintains a compatibility with an IP network and deliver a content with a complete distributed architecture excluding the content synchronizing process and the request routing process which delivers the content.Type: GrantFiled: July 12, 2013Date of Patent: April 11, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Woo Sug Jung, Jong Dae Park, Tae Soo Chung, Byung Ho Yae, Sung Kee Noh, Sung Jin Moon, Nam Seok Ko, Hwan Jo Heo
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Patent number: 9204458Abstract: A method of assuring QoS in consideration of fairness in a contention-based wireless network and a terminal for the same are provided. When a token is allocated by a wireless access point, the terminal determines priority of a data frame which the terminal intends to use in communication, through a scheme of splitting the allocated token. Therefore, fairness can be assured by selection of the terminal.Type: GrantFiled: November 20, 2012Date of Patent: December 1, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Hwan-Jo Heo, Jong-Dae Park, Tae-Soo Chung, Byung-Ho Yae, Sung-Jin Moon, Woo-Sug Jung, Sung-Kee Noh, Nam-Seok Ko
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Patent number: 9197568Abstract: Disclosed is a Quality of Service (QoS) providing method and apparatus in a software-defined networking (SDN) based network, the QoS providing method including receiving a first packet of a predetermined flow, searching for forwarding information corresponding to the packet and QoS rule information corresponding to the packet in a forwarding table and a QoS rule table, respectively, transmitting the packet to a controller if the forwarding information and the QoS rule information do not exist in the forwarding table and the QoS rule table, and generating a flow entry corresponding to the packet in a flow learning table based on forwarding information and QoS rule information that are received from the controller, thereby efficiently providing QoS.Type: GrantFiled: October 22, 2013Date of Patent: November 24, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Nam Seok Ko, Hwan Jo Heo, Sung Kee Noh, Sung Jin Moon, Woo Sug Jung, Byung Ho Yae, Tae Soo Chung, Jong Dae Park
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Patent number: 8929216Abstract: A packet scheduling method and apparatus which allows multiple flows that require data transmission to the same output port of a network device such as a router to fairly share bandwidth. The packet scheduling method includes calculating an expected time of arrival of a (k+1)-th packet subsequent to a currently input k-th packet of individual flows by use of bandwidth allocated fairly to each of the flows and a length of the k-th packet; in response to the arrival of the (k+1)-th packet, comparing the expected time of arrival of the (k+1)-th packet to an actual time of arrival of the (k+1)-th packet; and scheduling the (k+1)-th packet of each flow according to the comparison result.Type: GrantFiled: November 21, 2011Date of Patent: January 6, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Nam-Seok Ko, Jong-Dae Park, Byung-Ho Yae, Sung-Kee Noh, Woo-Sug Jung, Sung-Jin Moon, Hwan-Jo Heo, Soon-Seok Lee
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Patent number: 8885646Abstract: A distributed packet processing apparatus capable of distributing packet load across a plurality of packet processing engines is provided. The distributed packet processing apparatus includes a plurality of processing engines each configured to process allocated packets, a first tag generating unit configured to allocate an input packet to a processing engine, which has a processing engine index corresponding to a tag index for the input packet, among the plurality of processing engines, a second tag generating unit configured to calculate a tag index for an output packet, and an index conversion unit configure to convert the tag index for the output packet to one processing engine index among a plurality of processing indexes for the plurality of the processing engines and allocates the output packet to a processing engine having the one processing engine index such that loads are distributed among the plurality of processing engines.Type: GrantFiled: December 12, 2011Date of Patent: November 11, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Hwan-Jo Heo, Nam-Seok Ko, Woo-Sug Jung, Sung-Jin Moon, Sung-Kee Noh, Jong-Dae Park, Byung-Ho Yae
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Publication number: 20140313898Abstract: Disclosed are a method for delivering emergency traffic in a SDN based network and an apparatus performing the same. A method for delivering emergency traffic, performed in a controller, may comprise generating an emergency code for delivering the emergency traffic when an emergency state corresponding to a predefined type occurs; transmitting the emergency code to a first OpenFlow switch connected to a transmitting terminal transmitting the emergency traffic; and transmitting a message directing an update of the emergency code to at least one OpenFlow switch included in a forwarding path of the emergency traffic. Therefore, when an emergency state occurs in a network, emergency traffic corresponding to the emergency state may be delivered efficiently, and stabilities of network management and service qualities may be guaranteed accordingly.Type: ApplicationFiled: April 18, 2014Publication date: October 23, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Byung Ho YAE, Nam Seok KO, Sung Kee NOH, Sung Jin MOON, Jong Dae PARK, Woo Sug JUNG, Tae Soo CHUNG, Hwan Jo HEO
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Publication number: 20140307605Abstract: There are provided a data transmission method of a multi-hop network and a device using the same. The data transmission method of the multi-hop network according to the invention may include receiving information on the multi-hop network, receiving a predetermined desired communication reliability (DCR) of data transmission from a source node to a sink node, determining a single-hop packet transmission rate of each node from the source node to the sink node satisfying the predetermined desired DCR based on the information on the multi-hop network, and notifying each node configuring the multi-hop network of the single-hop packet transmission rate of each of the nodes. In the method and device according to the invention, it is possible to satisfy the DCR required for the multi-hop network and decrease energy consumption by minimizing the total number of transmitted packets.Type: ApplicationFiled: April 10, 2014Publication date: October 16, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Sung Kee NOH, Nam Seok KO, Woo Sug JUNG, Tae Soo CHUNG, Sung Jin MOON, Hwan Jo HEO, Byung Ho YAE, Jong Dae PARK
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Patent number: 8837945Abstract: Provided is a passive optical network (PON) providing system of an Ethernet-based packet transport layer (PTL) scheme, including: a connection management server to manage a unified PTL connection overall over the network by establishing a PTL connection between an optical network unit (ONU)/optical network terminal (ONT) of a customer termination of one party and an ONU/ONT of a customer termination of another party, and by applying a PTL-PON scheme to a PON section between the ONU/ONT and an optical line termination (OLT); an OLT to manage a connection of a received packet, and to convert a format of the packet according to a transmission direction of the packet and thereby transmit the packet; and an ONU/ONT becoming an end point of the PTL connection to convert the format of the packet according to the transmission direction of the received packet and to thereby transmit the packet to a customer terminal or the OLT.Type: GrantFiled: December 20, 2011Date of Patent: September 16, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Yool Kwon, Hong Ju Kim, Byung Ho Yae, Kyung Gyu Chun, Young Boo Kim
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Patent number: 8781323Abstract: A packet transport layer passive optical network providing method controls an optical line termination device and an optical network terminal or an optical network unit of the subscriber end to transport packet transport layer passive optical network packets between the optical network terminals or the optical network units and the optical line termination device, and the optical network terminals or the optical network unit of the subscriber end becomes an end point of a packet transport layer connection.Type: GrantFiled: November 19, 2010Date of Patent: July 15, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Yool Kwon, Hong Ju Kim, Byung Ho Yae, Kyung-Gyu Chun, Young Boo Kim
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Publication number: 20140149525Abstract: In a case where a transmitting apparatus transmits an instant message, for the generated message, an alert command mode in which it is instructed to perform alert processing when a receiving apparatus receives the message or a no alert command mode in which it is instructed not to perform the alert processing when the receiving apparatus receives the message are set up. Then, the receiving apparatus performs the alert processing when the alert command mode is set up for the received message and does not perform the alert processing when the no alert command mode is set up for the received message.Type: ApplicationFiled: November 27, 2013Publication date: May 29, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Hwanjo HEO, Nam Seok KO, Jong Dae PARK, Woo-Sug JUNG, Sung Jin MOON, Sung Kee NOH, Byung Ho YAE, Tae-Soo CHUNG
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Publication number: 20140112150Abstract: Disclosed is a Quality of Service (QoS) providing method and apparatus in a software-defined networking (SDN) based network, the QoS providing method including receiving a first packet of a predetermined flow, searching for forwarding information corresponding to the packet and QoS rule information corresponding to the packet in a forwarding table and a QoS rule table, respectively, transmitting the packet to a controller if the forwarding information and the QoS rule information do not exist in the forwarding table and the QoS rule table, and generating a flow entry corresponding to the packet in a flow learning table based on forwarding information and QoS rule information that are received from the controller, thereby efficiently providing QoS.Type: ApplicationFiled: October 22, 2013Publication date: April 24, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Nam Seok KO, Hwan Jo HEO, Sung Kee NOH, Sung Jin MOON, Woo Sug JUNG, Byung Ho YAE, Tae Soo CHUNG, Jong Dae PARK
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APPARATUS AND METHOD FOR PROVIDING CONTENT, AND SYSTEM FOR PROVIDING CONTENT WITH THE SAID APPARATUS
Publication number: 20140082135Abstract: The present invention provides content providing apparatus and method and a content providing system which maintains a compatibility with an IP network and deliver a content with a complete distributed architecture excluding the content synchronizing process and the request routing process which delivers the content.Type: ApplicationFiled: July 12, 2013Publication date: March 20, 2014Inventors: Woo Suk JUNG, Jong Dae PARK, Tae Soo CHUNG, Byung Ho YAE, Sung Kee NOH, Sung Jin MOON, Nam Seok KO, Hwan Jo HEO -
Patent number: 8660001Abstract: A packet scheduling apparatus and method to fairly share network bandwidth between multiple subscribers and to fairly share the bandwidth allocated to each subscriber between multiple flows are provided. The packet scheduling method includes calculating first bandwidth for each subscriber to fairly share total bandwidth set for the transmission of packets between multiple subscribers; calculating second bandwidth for each flow to fairly share the first bandwidth between one or more flows that belong to each of the multiple subscribers; and scheduling a packet of each of the one or more flows based on the second bandwidth.Type: GrantFiled: November 18, 2011Date of Patent: February 25, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Nam-Seok Ko, Jong-Dae Park, Byung-Ho Yae, Sung-Kee Noh, Woo-Sug Jung, Sung-Jin Moon, Hwan-Jo Heo, Soon-Seok Lee
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Publication number: 20130294420Abstract: In controlling channel access from a plurality of terminals in a wireless network, information for wireless resource allocation for each of the terminals is acquired, and channel access time for each terminal is determined based on the information for wireless resource allocation. Then, frames each containing the channel access time determined for each terminal are sequentially transmitted.Type: ApplicationFiled: January 24, 2013Publication date: November 7, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Nam Seok KO, Sung Kee NOH, Sung Jin MOON, Byung Ho YAE, Tae-Soo CHUNG, Woo-Sug JUNG, Hwanjo HEO, Jong Dae PARK
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Publication number: 20130167219Abstract: Provided are a method of preventing cyber-attack based on a terminal and a terminal apparatus therefor. The terminal apparatus includes: a packet processor configured to determine whether excessive traffic is generated by a transmission packet; an anomalous traffic detecting unit configured to determine whether anomalous traffic is generated, using a first condition of the excessive traffic being maintained for a first time period and a second condition of a generation count of the same kind of transmission packets exceeding a predetermined threshold value for a second time period; and a traffic block request unit configured to generate a traffic block request signal for requesting blockage of the transmission packet according to the result of determining whether anomalous traffic is generated.Type: ApplicationFiled: September 14, 2012Publication date: June 27, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Woo-Sug JUNG, Jong-Dae PARK, Byung-Ho YAE, Tae-Soo CHUNG, Sung-Kee NOH, Sung-Jin MOON, Nam-Seok KO, Hwan-Jo HEO
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Publication number: 20120163817Abstract: Provided is a passive optical network (PON) providing system of an Ethernet-based packet transport layer (PTL) scheme, including: a connection management server to manage a unified PTL connection overall over the network by establishing a PTL connection between an optical network unit (ONU)/optical network terminal (ONT) of a customer termination of one party and an ONU/ONT of a customer termination of another party, and by applying a PTL-PON scheme to a PON section between the ONU/ONT and an optical line termination (OLT); an OLT to manage a connection of a received packet, and to convert a format of the packet according to a transmission direction of the packet and thereby transmit the packet; and an ONU/ONT becoming an end point of the PTL connection to convert the format of the packet according to the transmission direction of the received packet and to thereby transmit the packet to a customer terminal or the OLT.Type: ApplicationFiled: December 20, 2011Publication date: June 28, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Yool KWON, Hong Ju Kim, Byung Ho Yae, Kyung Gyu Chun, Young Boo Kim
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Publication number: 20120147749Abstract: A routing apparatus and method for a mobile ad-hoc network are provided. The routing apparatus selects a transmission path differently based on the priority of a message, thereby distributing paths such that the overall energy balance between mobile nodes can be maintained. Accordingly, congestion of traffic on a particular path can be prevented, and the overall performance and the lifetime of the network can be enhanced.Type: ApplicationFiled: November 30, 2011Publication date: June 14, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Sung-Jin MOON, Hwan-Jo HEO, Nam-Seok KO, Woo-Sug JUNG, Sung-Kee NOH, Byung-Ho YAE, Jong-Dae PARK
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Publication number: 20120147754Abstract: A high-speed content inspection apparatus for minimizing system overhead is provided. The high-speed content inspection apparatus extracts content in unit of sub-pattern by inspecting a payload of a packet in units of sub-pattern, and extract target content by inspecting a correlation between the extracted sub-patterns. If a sub-pattern present at the end of a payload is smaller than a predetermined unit of a sub-pattern, position information of the sub-pattern at the end of the payload is rolled back and the correlation is inspected. Accordingly, without having to add another hardware or high-performance hardware, target content can be efficiently detected in real time.Type: ApplicationFiled: December 13, 2011Publication date: June 14, 2012Applicant: ELECTRONICS AND TELELCOMMUNICATIONS RESEARCH INSTITUTEInventors: Woo-Sug Jung, Jong-Dae Park, Byung-Ho Yae, Sung-Kee Noh, Sung-Jin Moon, Nam-Seok Ko, Hwan-Jo Heo
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Publication number: 20120147891Abstract: A distributed packet processing apparatus capable of distributing packet load across a plurality of packet processing engines is provided. The distributed packet processing apparatus includes a plurality of processing engines each configured to process allocated packets, a first tag generating unit configured to allocate an input packet to a processing engine, which has a processing engine index corresponding to a tag index for the input packet, among the plurality of processing engines, a second tag generating unit configured to calculate a tag index for an output packet, and an index conversion unit configure to convert the tag index for the output packet to one processing engine index among a plurality of processing indexes for the plurality of the processing engines and allocates the output packet to a processing engine having the one processing engine such that loads are distributed among the plurality of processing engines.Type: ApplicationFiled: December 12, 2011Publication date: June 14, 2012Applicant: Electronics and Telecommunication Research InstituteInventors: Hwan-Jo HEO, Nam-Seok Ko, Woo-Sug Jung, Sung-Jin Moon, Sung-Kee Noh, Jong-Dae Park, Byung-Ho Yae
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Publication number: 20120127859Abstract: A packet scheduling method and apparatus which allows multiple flows that require data transmission to the same output port of a network device such as a router to fairly share bandwidth. The packet scheduling method includes calculating an expected time of arrival of a (k+1)-th packet subsequent to a currently input k-th packet of individual flows by use of bandwidth allocated fairly to each of the flows and a length of the k-th packet; in response to the arrival of the (k+1)-th packet, comparing the expected time of arrival of the (k+1)-th packet to an actual time of arrival of the (k+1)-th packet; and scheduling the (k+1)-th packet of each flow according to the comparison result.Type: ApplicationFiled: November 21, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Nam-Seok KO, Jong-Dae PARK, Byung-Ho YAE, Sung-Kee NOH, Woo-Sug JUNG, Sung-Jin MOON, Hwan-Jo HEO, Soon-Seok LEE