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1.发明申请SYSTEM AND METHOD FOR PROVIDING VIRTUAL DESKTOP SERVICE USING CACHE SERVER 有权使用高速缓存服务器提供虚拟桌面服务的系统和方法公开(公告)号：US20140317223A1
公开(公告)日：2014-10-23
申请号：US14193736
申请日：2014-02-28
发明人： Jeong-Sook PARK , Soo-Young KIM , Chei-Yol KIM , Young-Chang KIM , Sang-Min LEE , Hong-Yeon KIM , Young-Kyun KIM
IPC分类号： H04L29/08
CPC分类号： H04L67/2842 , H04L67/1097 , H04L67/2847
摘要： There are provided a system and method for providing a virtual desktop service using a cache server. A system for providing a virtual desktop service according to the invention includes a host server configured to provide a virtual desktop service to a client terminal using a virtual machine, a distributed file system configured to store data for the virtual machine, and a cache server that is provided for each host server group having at least one host server, and performs a read process or a write process of data using physically separate caches when the read process or write process of the data is requested from the virtual machine in the host server.
摘要翻译： 提供了一种使用缓存服务器提供虚拟桌面服务的系统和方法。 根据本发明的用于提供虚拟桌面服务的系统包括被配置为使用虚拟机向客户终端提供虚拟桌面服务的主机服务器，被配置为存储虚拟机的数据的分布式文件系统，以及缓存服务器， 被提供给具有至少一个主机服务器的每个主机服务器组，并且当从主机服务器中的虚拟机请求了数据的读取处理或写入处理时，使用物理上分离的高速缓存来执行数据的读取处理或写入处理。
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公开(公告)号：US20140297603A1
公开(公告)日：2014-10-02
申请号：US13927520
申请日：2013-06-26
发明人： Young-Chang KIM , Hong Yeon KIM , Young Kyun KIM
IPC分类号： G06F17/30
CPC分类号： G06F16/1752
摘要： A replicated file deduplication apparatus generates a hash key of a requested data block, determines whether the same data block as the requested data block exists in data blocks of a replicated image file that is derived from the same golden image file as the requested data block using the hash key of the requested data block, and records, if the same data block as the requested data block exists, information of a chunk in which the same data block as the requested data block is stored at a layout of the requested data block.
摘要翻译： 复制文件重复数据删除装置生成所请求的数据块的散列密钥，确定与所请求的数据块相同的黄金图像文件导出的复制图像文件的数据块中是否存在与请求的数据块相同的数据块，使用 所请求的数据块的散列密钥，并且如果存在与所请求的数据块相同的数据块，则记录在所请求的数据块的布局上存储与所请求的数据块相同的数据块的块的信息。
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公开(公告)号：US20220027970A1
公开(公告)日：2022-01-27
申请号：US17105761
申请日：2020-11-27
发明人： Young-Chang KIM , Ki Young KIM , Jintae OH
摘要： An agreement method of a block in a blockchain network by a chair node includes: receiving, from a plurality of congress nodes in a congress, information on an exceptional situation which occurred during agreement processes of a block; transmitting an empty block agreement start message including information on the exceptional situation and verification data for the exceptional situation to the plurality of congress nodes; generating a candidate empty block which does not include a transaction when receiving a delegate request message from at least two congress nodes among the plurality of congress nodes and transmitting the candidate empty block to committee nodes; and generating a final empty block when the candidate empty block is verified by the committee nodes and transmitting the final empty block to all nodes in the blockchain network is provided.
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公开(公告)号：US20240121122A1
公开(公告)日：2024-04-11
申请号：US18454584
申请日：2023-08-23
发明人： Jong-Choul YIM , Jin-Tae OH , Young-Chang KIM , Chang-Hyun LEE
摘要： Disclosed are an apparatus and method for electing a committee node in a blockchain. The apparatus for electing a committee node in a blockchain is configured to transmit a staking transaction including validator information to a blockchain system to register a validator node, generate a draw pool for electing a committee node based on the validator information, change entries of the draw pool using a predefined shuffling algorithm, select a preset number of top entries as votes of a committee member from among the entries of the shuffled draw pool, and elect, as the committee node, the validator node that has acquired votes of a committee.
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公开(公告)号：US20240119064A1
公开(公告)日：2024-04-11
申请号：US18483842
申请日：2023-10-10
发明人： Young-Chang KIM , Jong-Choul YIM , Jin-Tae OH , Chang-Hyun LEE
CPC分类号： G06F16/275 , G06F11/1448
摘要： Disclosed herein is an apparatus and method for synchronizing a block in a blockchain network. The apparatus synchronizes node information of existing participating nodes connected to a blockchain network by joining the blockchain network, determines synchronization target blocks by calculating the current section of a blockchain using an agreed-upon block received from the existing participating nodes, receives a block header of each section and the segment hash table of a snapshot that are verification data for verifying synchronization target data for the synchronization target blocks from participating nodes that are not connected as peers, among the existing participating nodes, generates a snapshot by receiving snapshot segments and the blocks of the current section, which are the synchronization target data, from participating nodes connected as peers, among the existing participating nodes, verifies the snapshot generated from the snapshot segments, and synchronizes the verified snapshot.
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公开(公告)号：US20220222655A1
公开(公告)日：2022-07-14
申请号：US17566411
申请日：2021-12-30
发明人： Heesang JIN , Jintae OH , Ki Young KIM , Young-Chang KIM
摘要： A block consensus method of a computing device is provided. The computing device receives a delegate request message including transaction hashes from each of a plurality of nodes, generates a prepared block including transaction hashes based on the delegate request message, and transmits a prepare message including the prepared block to the nodes. The computing device receives a commit message including a proof of consensus on a validity of the prepared block from the nodes, and transmits a reply message including a final block decided based on the commit message.
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公开(公告)号：US20180205613A1
公开(公告)日：2018-07-19
申请号：US15662042
申请日：2017-07-27
CPC分类号： H04L41/12 , H04L43/0811 , H04L43/0817 , H04L61/2007 , H04L67/1097
摘要： Disclosed herein are a method for automatically allocating IP addresses for a distributed storage system in a large-scale torus network and an apparatus for the method. The method for automatically allocating IP addresses includes acquiring neighboring-node information from multiple storage nodes that constitute the system; generating torus network topology for the multiple storage nodes by combining the neighboring-node information; generating IP address information through which a position of each of the multiple storage nodes in a structure corresponding to the torus network topology can be identified; and allocating IP addresses to the multiple storage nodes by delivering the IP address information to the multiple storage nodes.
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8.发明申请公开(公告)号：US20180203875A1
公开(公告)日：2018-07-19
申请号：US15661961
申请日：2017-07-27
CPC分类号： G06F16/183 , G06F16/148 , H04L67/06 , H04L67/1008 , H04L67/1023 , H04L67/1031 , H04L67/1097
摘要： Disclosed herein are a method for extending and shrinking a volume of a distributed file system based on a torus network and an apparatus for the same. The method for extending a volume includes searching for a volume neighboring a target volume, the extension of which is requested; determining a direction in which a data server is to be added in consideration of whether the neighboring volume is to be extended; searching for multiple candidate data servers in the direction in which a data server is to be added based on the target volume; and adding any one of the multiple candidate data servers to the target volume in consideration of at least one of a server state and a network communication cost.
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9.发明公开公开(公告)号：US20240111785A1
公开(公告)日：2024-04-04
申请号：US18298231
申请日：2023-04-10
发明人： Jin-Tae OH , Young-Chang KIM , Chang-Hyun LEE , Jong-Choul YIM
IPC分类号： G06F16/27
CPC分类号： G06F16/273
摘要： Disclosed herein is a method for adding an additional chain to a blockchain. The method includes depositing, by a node of the blockchain, an asset corresponding to the additional chain; selecting the node as one of consensus nodes for connecting an additional block to the additional chain based on a share value corresponding to the asset; and performing, by the node, distributed consensus for connecting the additional block. Here, nodes constituting the blockchain include major shareholder nodes for processing transactions.
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公开(公告)号：US20190155922A1
公开(公告)日：2019-05-23
申请号：US16176809
申请日：2018-10-31
摘要： Disclosed herein are a server for a torus network-based distributed file system and a method using the server. A management server includes a system information storage unit for storing system information of a torus network-based distributed file system, a system management unit for managing one or more metadata servers that store metadata of files and multiple data servers that are included in the torus network to distribute and store data, and a communication unit for communicating with a switch connected from a first plane in the torus network or from outside the torus network to a client, and communicating with the metadata servers and the data servers.
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