Patents by Inventor Kyeong-Eun Han
Kyeong-Eun Han 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: 20240378165Abstract: A method of operating a link enhancement layer includes generating an expandable flexible flit related to a request or a response of a compute express link (CXL) transaction layer, and transmitting the expandable flexible flit to another link enhancement layer connected to the link enhancement layer. The expandable flexible flit is terminated in the other link enhancement layer.Type: ApplicationFiled: August 25, 2023Publication date: November 14, 2024Inventors: Daeub KIM, Jongtae SONG, Bup Joong KIM, Chanho PARK, Ji Wook YOUN, Joon Ki LEE, Kyeong-Eun HAN
-
Publication number: 20240303116Abstract: Provided are a processing system and method for increasing memory resources. The method includes generating, by a host node, a device memory resource request and transmitting the device memory resource request to a network manager, providing, by the network manager, memory node information and connection information to the host node in response to the memory resource request, generating, by the host node, an optical link frame corresponding to the request, connecting, by the network manager, a memory node whose memory resources are available and the host node by controlling an optical switch, and communicating, by the host node and the memory node of which memory resources are available, with each other using a light signal corresponding to the optical link frame.Type: ApplicationFiled: March 11, 2024Publication date: September 12, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji Wook YOUN, Daeub KIM, Bup Joong KIM, Chanho PARK, Jongtae SONG, Joon Ki LEE, Kyeong-Eun HAN
-
Patent number: 12056528Abstract: A system for cooperation of disaggregated computing resources interconnected through an optical circuit, and a method for cooperation of disaggregated resources are disclosed. Functional block devices such as a processor block, an accelerator block, and a memory fabric block exist at a remote location, and these three types of remote functional block devices are interconnected and interoperated in a specific program to perform a cooperative computation and processing process. Accordingly, the system shares data and information of a memory existing in each block through optical signal interconnection that provides low-latency, fast processing, and wide bandwidth, and maintains cooperation and memory coherency.Type: GrantFiled: April 2, 2021Date of Patent: August 6, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Daeub Kim, Jongtae Song, Ji Wook Youn, Joon Ki Lee, Kyeong-Eun Han
-
Patent number: 11868251Abstract: Provided are a memory access method and a server for performing the same. A memory access method performed by an optical interleaver included in a server includes receiving a request message from a requester processing engine included in the server, setting receiving buffers corresponding to different wavelengths corresponding to the number of external memory/storage devices connected to the server, multiplexing the same request message at the different wavelengths according to a wavelength division multiplexing (WDM) scheme, and transmitting the multiplexed request messages to the respective external memory/storage devices, wherein an address of a virtual memory managed by the server is separated and stored according to an interleaving scheme by a responder included in each of the external memory/storage devices.Type: GrantFiled: July 6, 2022Date of Patent: January 9, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jongtae Song, Daeub Kim, Ji Wook Youn, Kyeong-Eun Han, Joon Ki Lee
-
Publication number: 20230153239Abstract: A method and apparatus for allocating a memory address in a resource-centric network are disclosed. The method of allocating a memory address may include receiving a request for a new service, determining whether the new service is able to be accommodated in a virtual memory that is pre-allocated in a resource-centric network, when the new service is able to be accommodated, allocating a memory area for accommodating the new service to the virtual memory, and when the new service is not able to be accommodated, allocating the memory area by using an additionally allocated area of a virtual memory of the resource-centric network.Type: ApplicationFiled: September 26, 2022Publication date: May 18, 2023Inventors: Ji Wook YOUN, Jongtae SONG, Kyeong-Eun HAN
-
Publication number: 20230144656Abstract: Provided are a memory access method and a server for performing the same. A memory access method performed by an optical interleaver included in a server includes receiving a request message from a requester processing engine included in the server, setting receiving buffers corresponding to different wavelengths corresponding to the number of external memory/storage devices connected to the server, multiplexing the same request message at the different wavelengths according to a wavelength division multiplexing (WDM) scheme, and transmitting the multiplexed request messages to the respective external memory/storage devices, wherein an address of a virtual memory managed by the server is separated and stored according to an interleaving scheme by a responder included in each of the external memory/storage devices.Type: ApplicationFiled: July 6, 2022Publication date: May 11, 2023Inventors: Jongtae SONG, Daeub KIM, Ji Wook YOUN, Kyeong-Eun HAN, Joon Ki LEE
-
Publication number: 20220272049Abstract: Disclosed are a disaggregated data center resource management method and apparatus. A resource management method in a disaggregated data center includes receiving a resource allocation request from a client; generating allocated resource information about a computing resource and a memory resource which configure a virtual server in one rack of the data center according to the resource allocation request and optical path setting information for optical path connection of the computing resource and the memory resource; updating a resource management table for the computing resource and the memory resource; and transmitting a resource connection setting message including the allocated resource information and the optical path setting information to the computing resource and the memory resource.Type: ApplicationFiled: November 1, 2021Publication date: August 25, 2022Applicant: Electronics and Telecommunications Research InstituteInventors: Kyeong-Eun HAN, Chansung PARK, Daeub KIM, Jongtae SONG, Ji Wook YOUN
-
Publication number: 20220027290Abstract: A memory access controlling device and method in a parallel processing system are disclosed. The memory access controlling device includes an optical transceiver configured to receive an optical signal including a memory access frame from an optical circuit switch (OCS), a memory access controller configured to perform a scheduling operation and a memory access control operation based on the memory access frame and transmit a memory processing instruction and memory address information to a memory controller, and the memory controller configured to perform at least one of memory data read or memory data write based on the memory processing instruction and the memory address information. The memory access controller includes a plurality of header processors and is configured to control memory processing instructions to be performed in sequential order based on connection information between each of the header processors and a target memory.Type: ApplicationFiled: June 9, 2021Publication date: January 27, 2022Inventors: Kyeong-Eun HAN, Ji Wook YOUN
-
Publication number: 20210334143Abstract: A system for cooperation of disaggregated computing resources interconnected through an optical circuit, and a method for cooperation of disaggregated resources are disclosed. Functional block devices such as a processor block, an accelerator block, and a memory fabric block exist at a remote location, and these three types of remote functional block devices are interconnected and interoperated in a specific program to perform a cooperative computation and processing process. Accordingly, the system shares data and information of a memory existing in each block through optical signal interconnection that provides low-latency, fast processing, and wide bandwidth, and maintains cooperation and memory coherency.Type: ApplicationFiled: April 2, 2021Publication date: October 28, 2021Inventors: Daeub KIM, Jongtae SONG, Ji Wook YOUN, Joon Ki LEE, Kyeong-Eun HAN
-
Patent number: 10805224Abstract: A parallel scheduling apparatus includes an information managing unit generating a first request information for scheduling, a first scheduling unit performing first scheduling and then generating first matching information on the basis of the first request information, and a second scheduling unit performing second scheduling on the basis of the first request information and the first matching information. The parallel scheduling has an advantage of improving the scheduling performance and lowering the implementation complexity, ensuring low delay and transmission fairness among VOQs at low input traffic, being applied to all scheduling algorithms that perform existing multi-iterations, and providing efficient scheduling in a packet switch having a long RTT time or having a very short time slot or cell size, such as an optical switch.Type: GrantFiled: September 5, 2018Date of Patent: October 13, 2020Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kyeong Eun Han, Dae Ub Kim, Chan Sung Park, Jong Tae Song, Kwang Joon Kim, Joon Ki Lee
-
Patent number: 10511537Abstract: A scheduling method for switching including receiving an allocation request for a time slot from input nodes to which the time slot is not allocated, receiving property information of at least one of virtual output queues (VOQs) in which data received by the input nodes is stored, determining a transmission priority of the VOQs for transmission of the data stored in the VOQs based on the received property information of the VOQs, determining input nodes to which the time slot is to be allocated using outputter arbiters for output nodes corresponding to the VOQs, allocating the time slot to the determined input nodes, and updating elements used to allocate the time slot with respect to input nodes for which the allocating of the time slot is completed and output nodes for which the allocating of the time slot is completed.Type: GrantFiled: May 30, 2017Date of Patent: December 17, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kyeong-Eun Han, Jongtae Song, Daeub Kim, Chansung Park, Sun Me Kim, Ji Wook Youn
-
Publication number: 20190182173Abstract: A parallel scheduling apparatus includes an information managing unit generating a first request information for scheduling, a first scheduling unit performing first scheduling and then generating first matching information on the basis of the first request information, and a second scheduling unit performing second scheduling on the basis of the first request information and the first matching information. The parallel scheduling has an advantage of improving the scheduling performance and lowering the implementation complexity, ensuring low delay and transmission fairness among VOQs at low input traffic, being applied to all scheduling algorithms that perform existing multi-iterations, and providing efficient scheduling in a packet switch having a long RTT time or having a very short time slot or cell size, such as an optical switch.Type: ApplicationFiled: September 5, 2018Publication date: June 13, 2019Inventors: Kyeong Eun HAN, Dae Ub KIM, Chan Sung PARK, Jong Tae SONG, Kwang Joon KIM, Joon Ki LEE
-
Patent number: 10194222Abstract: An optical switching control method and apparatus. The method includes generating an optical switching path corresponding to a destination node of service traffic flowing from an external service network, generating an optical frame corresponding to the generated optical switching path, transmitting, to a control server, a request message for requesting an allocation of a time slot to transmit the generated optical frame, generating an optical signal having a predetermined wavelength to transmit the optical frame in response to an admission message being received as a result of admission with respect to the request message, and transferring the optical frame to the destination node based on the optical switching path using the generated optical signal.Type: GrantFiled: June 15, 2017Date of Patent: January 29, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Daeub Kim, Jongtae Song, Sun Me Kim, Chansung Park, Tae Whan Yoo, Ji Wook Youn, Kyeong-Eun Han
-
Publication number: 20180262437Abstract: A scheduling method for switching including receiving an allocation request for a time slot from input nodes to which the time slot is not allocated, receiving property information of at least one of virtual output queues (VOQs) in which data received by the input nodes is stored, determining a transmission priority of the VOQs for transmission of the data stored in the VOQs based on the received property information of the VOQs, determining input nodes to which the time slot is to be allocated using outputter arbiters for output nodes corresponding to the VOQs, allocating the time slot to the determined input nodes, and updating elements used to allocate the time slot with respect to input nodes for which the allocating of the time slot is completed and output nodes for which the allocating of the time slot is completed.Type: ApplicationFiled: May 30, 2017Publication date: September 13, 2018Inventors: Kyeong-Eun HAN, Jongtae SONG, Daeub KIM, Chansung PARK, Sun Me KIM, Ji Wook YOUN
-
Publication number: 20180262438Abstract: Disclosed is a communication method, a zone scheduler performing thereof, and an inter-zone scheduling coordinator (IZSC). A communication method performed by a zone scheduler may include transmitting an inter-zone scheduling request to an IZSC in response to an occurrence of an inter-zone traffic with respect to another zone scheduler, receiving an inter-zone matching pattern and information on a time slot from the IZSC, and transmitting the inter-zone traffic to the other zone scheduler by performing scheduling based on the inter-zone matching pattern in the time slot.Type: ApplicationFiled: October 4, 2017Publication date: September 13, 2018Applicant: Electronics and Telecommunications Research InstituteInventors: Jongtae SONG, Daeub KIM, Kyeong-Eun HAN, Sun Me KIM, Chansung PARK, Ji Wook YOUN
-
Publication number: 20180109857Abstract: An optical switching control method and apparatus. The method includes generating an optical switching path corresponding to a destination node of service traffic flowing from an external service network, generating an optical frame corresponding to the generated optical switching path, transmitting, to a control server, a request message for requesting an allocation of a time slot to transmit the generated optical frame, generating an optical signal having a predetermined wavelength to transmit the optical frame in response to an admission message being received as a result of admission with respect to the request message, and transferring the optical frame to the destination node based on the optical switching path using the generated optical signal.Type: ApplicationFiled: June 15, 2017Publication date: April 19, 2018Inventors: Daeub KIM, Jongtae SONG, Sun Me KIM, Chansung PARK, Tae Whan YOO, Ji Wook YOUN, Kyeong-Eun HAN
-
Patent number: 9451342Abstract: Provided herein is a link management method and apparatus in a multi-layered network, the method including confirming whether or not set virtual TE link resources can be committed to a virtual TE (traffic engineering) link; in response to the set virtual TE link resources being committable to the virtual TE link, committing the resources to the virtual TE link through resource commitment; in response to the set virtual TE link resources being not committable to the virtual TE link, determining whether or not the virtual TE link is an adaptive virtual TE link; and in response to the virtual TE link being determined as the adaptive virtual TE link and the adaptive bandwidth satisfying TE link setting standards, committing the resources to the virtual TE link.Type: GrantFiled: April 15, 2015Date of Patent: September 20, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kyeong Eun Han, Sun Me Kim, Tae Hyun Kwon, Jong Hyun Lee, Eun Young Cho
-
Publication number: 20160087891Abstract: Provided herein is a path computation element based on Transport Network Assigned (TNA) address and a method for path computation based on User Network Interface (UNI). The path computation element and UNI based path computation method of the present disclosure minimize overhead caused by abstract Traffic Engineering (TE) link, and minimize manual environment set up, and routing information exchange and advertisements in a local domain or between domains.Type: ApplicationFiled: July 28, 2015Publication date: March 24, 2016Inventors: Tae Hyun KWON, Sun Me KIM, Jong Hyun LEE, Dong Guk JE, Eun Young CHO, Kyeong Eun HAN
-
Publication number: 20150373434Abstract: Provided herein is a link management method and apparatus in a multi-layered network, the method including confirming whether or not set virtual TE link resources can be committed to a virtual TE (traffic engineering) link; in response to the set virtual TE link resources being committable to the virtual TE link, committing the resources to the virtual TE link through resource commitment; in response to the set virtual TE link resources being not committable to the virtual TE link, determining whether or not the virtual TE link is an adaptive virtual TE link; and in response to the virtual TE link being determined as the adaptive virtual TE link and the adaptive bandwidth satisfying TE link setting standards, committing the resources to the virtual TE link.Type: ApplicationFiled: April 15, 2015Publication date: December 24, 2015Inventors: Kyeong Eun HAN, Sun Me KIM, Tae Hyun KWON, Jong Hyun LEE, Eun Young CHO
-
Publication number: 20150281051Abstract: Provided is a method and apparatus for creating a virtual traffic engineering (TE) link in an upper layer of an optical transport network (OTN). To create a virtual TE link, a node may determine to create the virtual TE link in an upper layer of an OTN, and may set up a forwarding adjacency (FA)-label switched path (LSP) between nodes in an OTN layer. The FA-LSP may be set up on a control plane of the OTN layer. The node may create the virtual TE link by registering the setup FA-LSP as a TE link of the upper layer of the node.Type: ApplicationFiled: March 20, 2015Publication date: October 1, 2015Inventors: Kyeong Eun HAN, Sun Me KIM, Tae Hyun KWON, Eun Young CHO, Jong Hyun LEE