公开(公告)号：US10191909B2

公开(公告)日：2019-01-29

申请号：US15057312

申请日：2016-03-01

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sang Min Lee ,  Young Kyun Kim ,  Hong Yeon Kim

IPC: G06F17/30

Abstract: Provided herein is a filing system creating and deleting apparatus, comprising an available inode pool in which inodes are to be stored, a file system object creating processor creating an inode allocating request signal in response to a file system creating request from an external resource, an inode allocating processor allocating at least one of inodes stored in the available inode pool in response to the inode allocating request signal, a file system object deleting processor creating an inode deallocating request signal in response to a file system deleting request from the external resource, an inode deleting thread collecting inodes requested to be deleted corresponding to the file system deleting request, and an inode deallocating processor deallocating the inode requested to be deleted from the inode deleting thread, wherein a number of inodes stored in the available inode pool is limited to no more than a maximum inode number in the available inode pool, and the inode requested to be deleted creates and deletes a file system stored in the available inode pool when the number of inodes stored in the available inode pool is smaller than the maximum inode number in the available inode pool.

公开(公告)号：US09411685B2

公开(公告)日：2016-08-09

申请号：US14244388

申请日：2014-04-03

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sang Min Lee

IPC: G06F11/00 ,  G06F11/10

CPC classification number: G06F11/1076 ,  G06F2211/1028

Abstract: The present invention relates to operating a parity chunk, and a parity chunk operating method, in an environment dividing data of a file by a chunk unit, constituting a stripe by calculating a parity for a failure recovery, dispersely storing a data chunk and a parity chunk included in the stripe in multiple data servers, comprising the steps of: storing a data chunk and a parity chunk of a stripe structure in data servers; generating a partial parity using a previous data chunk in the storing step of a update data chunk by the data server storing the data chunk; and transmitting a partial parity to the data server storing the parity chunk, and a data server apparatus for supporting the same are disclosed.

Abstract translation: 本发明涉及操作奇偶校验块和奇偶校验块操作方法，该方法在通过块单元对文件进行数据分割的环境中，通过计算故障恢复的奇偶校验来构成条带，分散存储数据块和奇偶校验 包括在多个数据服务器中的条带中的块，包括以下步骤：将条形结构的数据块和奇偶校验块存储在数据服务器中; 在存储数据块的数据服务器的更新数据块的存储步骤中，使用先前数据块生成部分奇偶校验; 并且向存储奇偶校验块的数据服务器发送部分奇偶校验，并且公开了一种用于支持该奇偶校验块的数据服务器装置。

公开(公告)号：US20150055775A1

公开(公告)日：2015-02-26

申请号：US14063777

申请日：2013-10-25

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kang Il CHOI ,  Bhum Cheol Lee ,  Seung Woo Lee ,  Young Ho Park ,  Jung Hee Lee ,  Sang Min Lee

IPC: H04L9/30

CPC classification number: H04L9/0894

Abstract: An exemplary embodiment provides an image processing apparatus, including: a first detector configured to detect a privacy image from a first image when the first image is input; a protection processor configured to scramble the privacy image to a privacy protection image using a scrambling key when the privacy image is detected; and an encryption processor configured to create a second image in which the first image including the privacy protection image is encrypted using an encryption key.

Abstract translation: 一个示例性实施例提供一种图像处理装置，包括：第一检测器，被配置为当输入第一图像时从第一图像检测隐私图像; 保护处理器，被配置为当检测到隐私图像时，使用加扰密钥将隐私图像加密到隐私保护图像; 以及加密处理器，被配置为创建第二图像，其中使用加密密钥对包括所述隐私保护图像的所述第一图像进行加密。

公开(公告)号：US20140126371A1

公开(公告)日：2014-05-08

申请号：US14061862

申请日：2013-10-24

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kang Il Choi ,  Bhum Cheol Lee ,  Jung Hee Lee ,  Young Ho Park ,  Sang Min Lee ,  Seung Woo Lee

IPC: H04L12/851 ,  H04L12/931

CPC classification number: H04L47/24 ,  H04L47/20 ,  H04L49/70

Abstract: An exemplary embodiment of the present invention provides a flow switch, and an operating method thereof, and more particularly, to a flow switch for providing network virtualization, in which a quality of service (QoS) for a packet for each virtual machine is easily secured through flow information extracted from each of a plurality of packets when the plurality of packets generated by a plurality of virtual machines is input in a server virtualization environment, and an operating method thereof.

Abstract translation: 本发明的一个示例性实施例提供了一种流量开关及其操作方法，更具体地，涉及一种用于提供网络虚拟化的流量开关，其中用于每个虚拟机的分组的服务质量（QoS）容易地被保护 通过在服务器虚拟化环境中输入由多个虚拟机生成的多个分组时，从多个分组中的每一个提取的流信息及其操作方法。

公开(公告)号：US10289497B2

公开(公告)日：2019-05-14

申请号：US15073072

申请日：2016-03-17

Applicant: Electronics and Telecommunications Research Institute

Inventor： Young Chul Kim ,  Young Kyun Kim ,  Sang Min Lee

IPC: G06F17/30 ,  G06F11/14

Abstract: Provided herein is a distributed file system including a meta data server configured to store and manage meta data of a file; and a data server configured to store and manage data and attribute information of the file, wherein, in response to a writing request from a client, the meta data server stores data requested to be changed in a delta chunk of a read-only snapshot file, and connects the original file and the read-only snapshot file in an inode structure.

公开(公告)号：US09619269B2

公开(公告)日：2017-04-11

申请号：US14737663

申请日：2015-06-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kang Il Choi ,  Jong Geun Park ,  Bhum Cheol Lee ,  Sang Min Lee ,  Jung Hee Lee

IPC: G06F9/455 ,  G06F9/50

CPC classification number: G06F9/45558 ,  G06F9/5077 ,  G06F2009/45595

Abstract: Provided is a device and a method for providing network virtualization, in which a method of dynamically mapping a processor includes extracting tenant information on a tenant and information on a virtual machine (VM) generated by a Cloud OS or controller; classifying virtual machine queues (VMQs) and processors to process the VMQs by tenant, and dynamically mapping the VMQs onto the processors by tenant.

公开(公告)号：US09594584B2

公开(公告)日：2017-03-14

申请号：US14621877

申请日：2015-02-13

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Kang Il Choi ,  Bhum Cheol Lee ,  Jung Hee Lee ,  Jong Geun Park ,  Sang Min Lee

IPC: G06F9/455 ,  H04L12/931 ,  H04L12/861

CPC classification number: G06F9/45558 ,  G06F2009/45595 ,  H04L49/70 ,  H04L49/90

Abstract: An apparatus and a method for mapping of a tenant based dynamic processor, which classify virtual machine multi queues and processors processing the corresponding multi queues for each tenant that one or more virtual machines are belonged to, dynamically map the virtual machine multi queues that belong to the corresponding tenant to multi processors that belong to the corresponding tenant based on total usages of a network and a processor for each tenant to provide network virtualization to assure network traffic processing of virtual machines that belong to the same tenant not to be influenced by congestion of network traffic that belongs to another tenant.

Abstract translation: 一种用于映射基于租户的动态处理器的装置和方法，所述动态处理器对虚拟机多队列进行分类，并处理对于一个或多个虚拟机属于的每个租户的相应多队列的处理器，动态地映射属于 根据网络的总用途和相应租户的相应租户对应的租户，为每个租户提供网络虚拟化，以确保属于相同租户的虚拟机的网络流量处理不受到拥塞的影响 属于另一租户的网络流量。