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公开(公告)号:KR1020150053620A
公开(公告)日:2015-05-18
申请号:KR1020130135822
申请日:2013-11-08
Applicant: 한국전자통신연구원
IPC: H04L12/801
CPC classification number: H04L45/745 , H04L45/38 , H04L45/64 , H04L45/7453
Abstract: 소프트웨어정의네트워크(software defined network)에서 SDN 스위치는패킷을수신하면, 수신한패킷으로부터추출된매칭룰에속한매칭필드값과매칭룰에속한매칭필드가와일드카드로지정된필드인지를나타내는플로우매칭마스크필드값을이용하여플로우엔트리인덱스를계산하고, 플로우테이블로부터플로우엔트리인덱스에매칭되는플로우엔트리에설정된액션에따라서수신한패킷을처리한다.
Abstract translation: 如果SDN交换机在软件定义的网络中接收到分组,则通过使用流匹配掩码字段值来计算流入口索引,该流匹配掩码字段值指示包括在从接收到的分组提取的匹配规则中的匹配字段值和包括在 匹配规则是由通配符指定的字段,并且根据与流表中的流条目索引匹配的流条目中设置的动作来处理接收到的分组。
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公开(公告)号:KR1020140051802A
公开(公告)日:2014-05-02
申请号:KR1020130126518
申请日:2013-10-23
Applicant: 한국전자통신연구원
IPC: H04L12/813 , H04L12/937
CPC classification number: H04L49/252 , H04L45/54
Abstract: In a network including a plurality of switches, different priority levels are assigned to different services based on a frequently requested service list provided from an end system including an end host and a server, and a forwarding rule containing path information for forwarding data packets is selectively set according to the priority levels. A first forwarding rule set for a service of the first priority level is loaded to corresponding ones of the switches.
Abstract translation: 在包括多个交换机的网络中,基于从包括终端主机和服务器的终端系统提供的频繁请求的服务列表,向不同的服务分配不同的优先级,并且选择性地包含用于转发数据分组的路径信息的转发规则 根据优先级设置。 为第一优先级的服务设置的第一转发规则被加载到相应的交换机。
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公开(公告)号:KR1020140051776A
公开(公告)日:2014-05-02
申请号:KR1020130118040
申请日:2013-10-02
Applicant: 한국전자통신연구원
IPC: H04L12/801 , H04L12/26
Abstract: According to an embodiment of the present invention, provided is an apparatus for extracting flow information to monitor a network. The apparatus for extracting the flow comprises: a sampling part for sampling a received packet according to sampling rate; a flow matching process part for searching for a first flow matching rule matched with a first packet transmitted from the sampling part among flow matching rules stored in a first flow table and updating first flow statistics information corresponding to the first flow matching rule according to the search result; and a controller for setting the sampling rate and the flow matching rules to be stored at the first flow table.
Abstract translation: 根据本发明的实施例,提供了一种用于提取流量信息以监视网络的装置。 用于提取流程的装置包括:采样部分,用于根据采样率对接收的分组进行采样; 流量匹配处理部分,用于搜索与存储在第一流表中的流匹配规则中从采样部分发送的第一分组匹配的第一流匹配规则,并根据搜索更新与第一流匹配规则相对应的第一流统计信息 结果; 以及控制器,用于设置要存储在第一流程表中的采样率和流量匹配规则。
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公开(公告)号:KR1020130082735A
公开(公告)日:2013-07-22
申请号:KR1020110135632
申请日:2011-12-15
Applicant: 한국전자통신연구원
CPC classification number: H04L2012/5616
Abstract: PURPOSE: A content service providing method using a virtual content server and a system thereof are provided to place virtual content servers which contain part of the content of a domain around a network and to separate the transfer and the control of packets, thereby increasing the speed of a content service by offering the content from the nearest virtual content server. CONSTITUTION: The list of multiple virtual content servers which are generated upon the request from a main content server and the list of the content which the multiple virtual content servers contain are received (S410). When a user receives a content request, one virtual content server, among virtual content servers which have the content requested by the user, is selected based on the user location (S440). A forwarding regulation for the route toward the selected virtual content server is generated (S450). [Reference numerals] (AA,DD) No; (BB) Does a request content supply a virtual content server?; (CC,GG) Yes; (EE) Is a request content applied to a content list?; (FF) Generate a forwarding regulation facing a main content server; (S410) Receive a content request from a user; (S440) Select an optimal virtual content server; (S450) Generate a forwarding regulation facing an optimal virtual content server; (S470) Transmit a forwarding regulation
Abstract translation: 目的:提供使用虚拟内容服务器及其系统的内容服务提供方法,以将包含域的内容的一部分的虚拟内容服务器放置在网络周围,并分离分组的传送和控制,从而提高速度 通过从最近的虚拟内容服务器提供内容来实现内容服务。 构成:收到来自主内容服务器的请求生成的多个虚拟内容服务器的列表和多个虚拟内容服务器所包含的内容的列表(S410)。 当用户接收到内容请求时,基于用户位置来选择具有用户请求的内容的虚拟内容服务器中的一个虚拟内容服务器(S440)。 生成到所选择的虚拟内容服务器的路线的转发规定(S450)。 (附图标记)(AA,DD)否; (BB)请求内容是否提供虚拟内容服务器? (CC,GG)是; (EE)是否应用于内容列表的请求内容? (FF)生成面向主内容服务器的转发规则; (S410)从用户接收内容请求; (S440)选择最优的虚拟内容服务器; (S450)生成面向最佳虚拟内容服务器的转发规则; (S470)发送转发规定
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公开(公告)号:KR1020160095554A
公开(公告)日:2016-08-11
申请号:KR1020150016978
申请日:2015-02-03
Applicant: 한국전자통신연구원
IPC: H04L29/12
CPC classification number: H04L61/103 , H04L41/12 , H04L45/64 , H04L47/25
Abstract: 본발명은네트워크가중앙집중식컨트롤러에의해소프트웨어기반으로제어되는소프트웨어정의네트워크에서네트워크상의물리노드혹은가상노드의주소와물리주소간의대응관계를결정하는물리주소결정장치및 방법에관한것으로, SDN 기반의물리주소결정장치는주소대응부, 제어부를포함할수 있으며, 이를통해패킷포워딩에대한모든사항은컨트롤러에의해중앙집중식으로결정하여컨트롤러상에원하는기능을수행하는응용을프로그래밍하여탑재함으로써새로운네트워크서비스를손쉽게제공하는데그 목적이있다.
Abstract translation: 本发明涉及一种用于确定确定网络上的物理节点的物理地址或软件定义网络(SDN)中的虚拟节点的地址与物理节点的地址之间的对应关系的装置和方法,其中 网络由集中式控制器基于软件进行控制。 基于SDN确定物理地址的装置包括地址处理单元和控制单元。 本发明的目的是通过控制器以集中的方式确定用于分组转发的所有项目,以便在控制器中编程和加载用于执行所需功能的应用以容易地提供新的网络服务。
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公开(公告)号:KR1020160041631A
公开(公告)日:2016-04-18
申请号:KR1020140135990
申请日:2014-10-08
Applicant: 한국전자통신연구원
IPC: H04L12/725
CPC classification number: H04L45/302 , H04L45/02
Abstract: 본발명에따른서비스품질인지라우팅장치는가상네트워크를생성하고, 가상네트워크별로서로다른서비스품질(Quality of Service) 정책및 보안정책을생성하는 VN 매니저부, 스위치로부터전달받은정보를통해파악된스위치사이의연결상태에기초하여논리토폴로지(Logical Topology) 정보를생성하고, 서비스품질정책및 논리토폴로지정보에기초하여서비스품질라우팅경로정보를생성하는 VNF 라우팅매니저부및 생성된서비스품질라우팅경로정보에기초하여경로상의스위치를제어하는 VNF 컨트롤러부를포함한다.
Abstract translation: 根据本发明的用于服务质量识别的路由设备包括:VN管理器单元,其生成虚拟网络并为每个虚拟网络生成不同的服务质量和安全策略; VNF路由管理器单元,基于从交换机传送的信息计算出的交换机间连接状态生成逻辑拓扑信息,并且基于服务质量策略和逻辑拓扑信息生成服务质量路由路径信息 ; 以及VNF控制器单元,其基于生成的服务质量路由路径信息来控制路径上的交换机。
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公开(公告)号:KR1020130093732A
公开(公告)日:2013-08-23
申请号:KR1020110142367
申请日:2011-12-26
Applicant: 한국전자통신연구원
IPC: H04L12/70
CPC classification number: H04L12/56 , H04L29/0653 , H04L45/38 , H04L45/56 , H04L45/7457
Abstract: PURPOSE: A flow-based packet transporting device and a packet management method thereof are provided to reduce the loads of a controller by removing the number of requests transferred to a controller to request a flow entry. CONSTITUTION: A transferred packet is received (S110). Flow information from the packet is extracted (S120). A flow entry about the packet is searched (S130). A received packet according to an action defined in the searched flow entry is treated (S140). A flow entry is reflected to the flow table (S150). [Reference numerals] (AA) Start; (BB) Yes; (CC) No; (DD) End; (S110) Receive a packet; (S120) Extract flow information; (S130) Searching a flow battery is succeeded?; (S140) Treat a received packet according to an action defined in the searched flow entry; (S150) Receive the flow entry by transmitting the packet to a controller and reflect the same to the flow table
Abstract translation: 目的:提供基于流的分组传送装置及其分组管理方法,通过去除传送到控制器的请求数量来减少控制器的负载,以请求流入。 构成:接收到传送的数据包(S110)。 提取来自分组的流信息(S120)。 搜索关于分组的流条目(S130)。 处理根据搜索到的流条目中定义的动作的接收到的分组(S140)。 流入口反映到流表(S150)。 (附图标记)(AA)开始; (BB)是的; (CC)否; (DD)结束; (S110)接收数据包; (S120)提取流量信息; (S130)搜索流量电池是否成功? (S140)根据搜索到的流条目中定义的动作来处理接收到的分组; (S150)通过将数据包发送到控制器并将其反映到流程表中来接收流入口
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公开(公告)号:KR101233598B1
公开(公告)日:2013-02-14
申请号:KR1020090128476
申请日:2009-12-21
Applicant: 한국전자통신연구원
IPC: H04L12/771
Abstract: 컴파일된 사용자 설정 정보에 따른 프로그램을 실장하는 서브스트래이트(substrate), 상기 프로그램에 따라 동적으로 동작하는 하나 이상의 가상 라우터인 슬리버를 상기 서브스트래이트 상에 실장되도록 처리하는 슬리버 처리부 및 상기 하나 이상의 슬리버를 관리하는 슬리버 관리부를 포함하는 네트워크 장치를 제공한다.
네트워크, 슬리버, SEE, 라우터-
公开(公告)号:KR1020170138256A
公开(公告)日:2017-12-15
申请号:KR1020160070426
申请日:2016-06-07
Applicant: 한국전자통신연구원
IPC: H04L12/803 , H04L12/707 , H04L12/715 , H04L12/26
CPC classification number: H04L47/125 , H04L45/28 , H04L45/38 , H04L47/18
Abstract: 본발명은서비스네트워크오버레이구조를기반으로복수개의서비스네트워크제어기인스턴스(SN controller instance)들에의해분류된트래픽에해당서비스기능체인을적용하는분산서비스기능포워딩(Service Function Forwarding) 기술을제공하여, 정의된컴포넌트서비스들로이루어진경로및 트래픽에따라필요한네트워크기능(SF)들을선택적으로조합및 실행함으로써동적으로하나의네트워크서비스의구성및 제어가가능하다.
Abstract translation: 本发明提供了一种分布式业务功能转发技术,该技术基于业务网络覆盖结构将相应的业务功能链应用于由多个SN控制器实例分类的业务, (SF)根据组成业务组成的路径和流量,动态配置和控制一个网络业务。
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