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    • 101. 发明公开
    • 네트워크 프로세서를 이용한 패킷 포워딩 엔진부에서의엠피엘에스 브이피엔 패킷 분류 장치 및 그 방법
    • 使用网络处理器对发送单元进行分组MPLS VPN分组的设备和方法
    • KR1020040055286A
    • 2004-06-26
    • KR1020020081925
    • 2002-12-20
    • 한국전자통신연구원
    • 최창식곽동용
    • H04L12/723
    • H04L45/50H04L47/2441H04L49/354H04L69/22
    • PURPOSE: An apparatus and a method for classifying MPLS(Multi-Protocol Label Switching) VPN(Virtual Private Network) packets in a packet forwarding engine unit by using a network processor are provided to implement an MPLS-based VPN service by discriminating an MPLS VPN packet from general packets. CONSTITUTION: An ingress pas Ethernet/PPP/CP unit(410) classifies headers with respect to Ethernet packets, PPP packets and packets transmitted from a CP(Control Processor). A MAC look-up unit(420) checks a MAC address value of Ethernet by using MAC header information included in the packet(412) received from the ingress pas Ethernet/PPP/CP unit(410). An L(Layer)2 VPN classifying unit(430) receives packets and information from the MAC look-up unit(420) and determines whether the packets should perform L2 bridge/router function or general MPLS function, or determines whether to perform MPLS L2 VPN packet processing by using the VPN header information. An MPLS L3 VPN classifying unit(440) combines IP header information to check whether it belongs to the VPN group, determines whether to perform a general IP packet processing function or an MPLS L3 VPN processing function, and classifies an IP packet(441) and an MPLS L3 VPN packet(442).
    • 目的:提供一种通过使用网络处理器对分组转发引擎单元中的MPLS(多协议标签交换)VPN(虚拟专用网络)分组进行分类的装置和方法,以通过区分MPLS VPN来实现基于MPLS的VPN服务 一般数据包的数据包。 条款:入口pas以太网/ PPP / CP单元(410)对来自CP(控制处理器)的以太网数据包,PPP数据包和数据包进行分组。 MAC查询单元(420)通过使用从入口pas Ethernet / PPP / CP单元(410)接收的分组(412)中包含的MAC头信息来检查以太网的MAC地址值。 L(层)2 VPN分类单元(430)从MAC查找单元(420)接收分组和信息,并确定分组是否应该执行L2桥/路由器功能或一般MPLS功能,或者确定是否执行MPLS L2 VPN数据包处理通过使用VPN头信息。 MPLS L3 VPN分类单元(440)组合IP报头信息,检查其是否属于VPN组,确定是否执行一般IP分组处理功能或MPLS L3 VPN处理功能,并对IP分组(441)和 MPLS L3 VPN报文(442)。
    • 102. 发明公开
    • 튜플 공간 검색 기반의 IP 패킷 분류장치 및 분류방법
    • 基于TLELE空间检索分类IP分组的设备及其分类方法
    • KR1020040054110A
    • 2004-06-25
    • KR1020020080827
    • 2002-12-17
    • 한국전자통신연구원
    • 최병철곽동용
    • H04L12/743
    • H04L45/7453H04L45/302H04L47/2441H04L49/9057
    • PURPOSE: A device for classifying IP packets based on tuple space retrieval and a classifying method therefor are provided to previously analyze identical values of next compared bits, and to increase a prefix 2 bits by 2 bits without increasing the prefix 1 bit by 1 bit, thereby reducing time for retrieving classified packets. CONSTITUTION: A physical interface(101) performs a physical link interface and an MAC function. A packet receiver(102) receives IP packets, and analyzes/verifies layer 2 header, IP version, TTL, and IP header checksum information. A received packet storage(103) stores the IP packets. A packet classification controller(104) performs a hash retrieval function, and analyzes retrieved results. A packet classification rule table storage(105) stores a 2-dimensional hash table. A switch interface(106) attaches a routing tag, and disassembles into fixed segments to output the segments. A packet reassembler(107) reassembles the segments into one packet. A transmission packet storage(108) stores the reassembled packet. A traffic manager(109) performs a scheduling function and a shaping function.
    • 目的:提供一种基于元组空间检索对IP分组进行分类的设备及其分类方法,用于先前分析下一比较比特的相同值,并增加前缀2比特2比特,而不增加前缀1比特1比特, 从而减少检索分类数据包的时间。 构成:物理接口(101)执行物理链路接口和MAC功能。 分组接收机(102)接收IP分组,分析/验证第二层报头,IP版本,TTL和IP报头校验信息。 接收到的分组存储(103)存储IP分组。 分组分类控制器(104)执行散列检索功能,并分析检索结果。 分组分类规则表存储(105)存储二维哈希表。 开关接口(106)附接路由标签,并将其拆分成固定段以输出段。 分组重组器(107)将分段重新组合成一个分组。 传输分组存储(108)存储重组的分组。 流量管理器(109)执行调度功能和整形功能。
    • 103. 发明公开
    • 백본 라우터를 위한 아이피 패킷 주소 룩업 방법 및 그장치
    • 用于在背包路由器的IP包上执行地址查找的方法和装置
    • KR1020040051906A
    • 2004-06-19
    • KR1020020079600
    • 2002-12-13
    • 한국전자통신연구원
    • 진승의곽동용
    • H04L12/28
    • H04L45/54H04L45/745
    • PURPOSE: A method and an apparatus for performing address look-up on an IP packet for a backbone router are provided to maximize packet processing performance by minimizing calculation load of a packet forwarding process. CONSTITUTION: Relay nodes(112b) include position information of child nodes. Termination nodes indicate an entry of a corresponding forwarding information base. A master node(112a) exists at the uppermost position and includes multi-bit search information for the initial uppermost 16 bits. Considering that a network address in an IPv6 global unicast address system consists of upper 64 bits, tree search is performed on the 64 bits. Namely, a multi-bit tree search is first performed on the uppermost 16 bits, and then, the multi-bit tree search is repeatedly performed by extracting every uppermost 8 bits.
    • 目的:提供一种用于对骨干路由器的IP分组进行地址查找的方法和装置,以通过最小化分组转发过程的计算负担来最大化分组处理性能。 构成:中继节点(112b)包括子节点的位置信息。 终止节点指示相应的转发信息库的条目。 主节点(112a)存在于最上位置,并且包括用于初始最高16位的多位搜索信息。 考虑到IPv6全球单播地址系统中的网络地址由高64位组成,64位执行树搜索。 即,首先在最上面的16位执行多位树搜索,然后通过提取每个最高8位重复执行多位树搜索。
    • 104. 发明授权
    • IPv4에서 사용되는 LPM 기반의 컨텐트주소지정가능 메모리(CAM) 룩업 테이블 관리 방법 및장치
    • IPv4应用程序使用LPM技术来管理CAM(CAM)룩업테이블관리방법및장
    • KR100420960B1
    • 2004-03-02
    • KR1020020034879
    • 2002-06-21
    • 한국전자통신연구원
    • 오상윤곽동용김봉태
    • G06F15/16
    • PURPOSE: A method and device for managing a contents addressable memory lookup table based on an LPM(Longest Prefix Matching) being used in an IPv4 is provided to reduce data updating time generally by locating an empty area between an area the prefix length thereof is 23-bit and 24-bit instead of the prefix length of '0' or '32' in a lookup table of an IPv4. CONSTITUTION: A pointer storage(510) stores sixty six pointers. A table managing unit(530) interfaces with a CPU(520) and controls pointers and a CAM(Contents Addressable Memory) control unit(550). The CAM control unit(550) interfaces with the table managing unit(530) and the pointer storage(510), and controls a CAM table storage(540). The table managing unit(530) receives a data appending command from the CPU(520), controls a pointer stored in the pointer storage(510), operates the CAM control unit(550), and updates the CAM table storage(540). The pointer storage(510) stores a pointer having position data of a CAM table, and stores two pairs of upper pointer and lower pointer the prefix lengths. The CAM control unit(550) receives a control command from the table managing unit(530) and the pointer storage(510), operates a CAM, and executes a retrieving command, a reading command, and a writing command.
    • 目的:提供一种基于在IPv4中使用的LPM(最长前缀匹配)来管理内容可寻址存储器查找表的方法和设备,以通常通过在其前缀长度为23的区域之间定位空白区域来提供减少数据更新时间 位和24位,而不是在IPv4的查找表中的前缀长度'0'或'32'。 构成:指针存储器(510)存储六十六个指针。 表管理单元(530)与CPU(520)接口并控制指针和CAM(内容可寻址存储器)控制单元(550)。 CAM控制单元(550)与表格管理单元(530)和指针存储器(510)对接,并且控制CAM表格存储(540)。 表格管理单元(530)从CPU(520)接收数据附加命令,控制存储在指针存储器(510)中的指针,操作CAM控制单元(550)并更新CAM表格存储器(540)。 指针存储器(510)存储具有CAM表的位置数据的指针,并且存储两对上指针和下指针的前缀长度。 CAM控制单元(550)从表管理单元(530)和指针存储器(510)接收控制命令,操作CAM并执行检索命令,读取命令和写入命令。
    • 106. 发明公开
    • 차량 통신 네트워크의 멀티캐스팅 시스템 및 그 방법
    • 用于车辆通信网络的多用途系统和方法
    • KR1020120138612A
    • 2012-12-26
    • KR1020110134841
    • 2011-12-14
    • 한국전자통신연구원
    • 김정숙김동규곽동용
    • H04B7/26H04B7/212H04L1/16
    • H04W72/0446H04B7/212H04B7/2612H04W4/04H04W4/06
    • PURPOSE: A multicasting system of a vehicle communication network and method thereof are provided to promote transmission reliability by transmitting a data packet based on TDMA(time division multiple access) between a roadside communication apparatus and a vehicle communication apparatus. CONSTITUTION: When a vehicle communication apparatus requests slot allocation, a beacon analysis unit(240) analyzes a beacon frame received from a roadside communication apparatus or one or more neighbor roadside communication apparatus. A determination unit(250) searches a section where a slot is not allocated from the roadside communication apparatus and the one or more neighbor roadside communication apparatuses. The determination unit determines whether a slot allocation section is existed in the vehicle communication apparatus. A slot allocation unit(260) allocates a slot section for the multicasting of the vehicle communication apparatus based on a determination result of the determination unit. [Reference numerals] (210) Control unit; (220) Communication unit; (230) Storage unit; (240) Beacon analysis unit; (250) Determination unit; (260) Slot allocation unit
    • 目的:提供一种车辆通信网络的组播系统及其方法,以通过在路侧通信装置和车辆通信装置之间通过TDMA(时分多址)发送数据分组来提高传输可靠性。 构成:当车辆通信装置请求时隙分配时,信标分析单元(240)分析从路侧通信装置或一个或多个相邻路侧通信装置接收到的信标帧。 确定单元(250)从路侧通信装置和一个或多个相邻路侧通信装置中搜索未分配时隙的部分。 确定单元确定在车辆通信设备中是否存在时隙分配部分。 时隙分配单元(260)基于确定单元的确定结果分配用于车辆通信设备的多播的时隙部分。 (附图标记)(210)控制单元; (220)通讯单元; (230)存储单元; (240)信标分析单元; (250)确定单位; (260)插槽分配单元
    • 107. 发明公开
    • 차량 위치 인식 장치 및 그 방법
    • 用于识别车辆位置的装置和方法
    • KR1020120084244A
    • 2012-07-27
    • KR1020110060623
    • 2011-06-22
    • 한국전자통신연구원
    • 성경복안경환민경욱최정단곽동용
    • G01S5/02G01S3/02
    • PURPOSE: An apparatus and method for recognizing a vehicle location are provided to supply the location information of the vehicle without a GPS. CONSTITUTION: A location information receiver receives location information corresponding to a sensing point generated by sensing a vehicle passing the sensing point. A location recognizing device(200) estimates a current location of the vehicle based on control information and sensing information when the location information is not received and corrects the estimated location by using the location information when the location information is received. The location recognizing device is connected to at least one external sensing device(100).
    • 目的:提供用于识别车辆位置的装置和方法,以在没有GPS的情况下提供车辆的位置信息。 构成:位置信息接收器接收与通过感测通过感测点的车辆产生的感测点相对应的位置信息。 当位置信息未被接收时,位置识别装置(200)基于控制信息和感测信息来估计车辆的当前位置,并且当接收到位置信息时通过使用位置信息来校正估计位置。 位置识别装置连接到至少一个外部感测装置(100)。
    • 108. 发明公开
    • 차량용 에너지 수확 장치 및 이의 에너지 관리 방법
    • 能源收集装置及其能源管理方法
    • KR1020120071222A
    • 2012-07-02
    • KR1020100132880
    • 2010-12-22
    • 한국전자통신연구원
    • 김정숙곽동용임동선
    • B60L11/18H02J3/00
    • H02J3/32B60L11/1816H02J3/383H02J7/0027Y02E10/563Y02E60/721Y02E70/30Y02T10/7005Y02T10/7055Y02T10/7072Y02T10/7094Y02T90/14Y02T90/16Y02T90/168Y04S10/126Y04S30/12
    • PURPOSE: An energy harvesting apparatus for a vehicle and an energy managing method thereof are provided to intelligently store and manage power by connecting a smart grid to a high capacity battery. CONSTITUTION: A battery unit(120) is formed in a vehicle. An energy collecting unit(110) is installed in one side of the vehicle and generates renewable power by collecting renewable energy. An external charging interface(130) is formed on one side of the vehicle to exchange power between the battery unit and a smart grid. An integrated power converting unit(140) transmits power to the battery unit by collecting power supplied from the energy collecting unit and the external charging interface. A charge/discharge circuit unit(150) stores power from the integrated power converting unit in the battery unit. A communication unit(160) functions as a communication interface between a power management server of the smart grid and an energy managing unit(170).
    • 目的:提供一种用于车辆的能量收集装置及其能量管理方法,通过将智能电网连接到高容量电池来智能地存储和管理电力。 构成:在车辆中形成电池单元(120)。 能量收集单元(110)安装在车辆的一侧,通过收集可再生能源产生可再生能源。 在车辆的一侧形成外部充电接口(130),以在电池单元和智能电网之间交换电力。 集成电力转换单元(140)通过收集从能量收集单元和外部充电接口提供的电力向电池单元发送电力。 充电/放电电路单元(150)将来自集成电力转换单元的电力存储在电池单元中。 通信单元(160)用作智能电网的电力管理服务器与能量管理单元(170)之间的通信接口。
    • 110. 发明授权
    • 한영 자동 전환 방법 및 그 장치
    • 韩文自动翻译方法及其设备
    • KR101069408B1
    • 2011-09-30
    • KR1020080128055
    • 2008-12-16
    • 한국전자통신연구원
    • 윤대섭오현서곽동용
    • G06F3/023G06F3/00G06F3/02
    • 본 발명은 한영 자동 전환 방법 및 그 장치에 관한 것이다. 본 발명에 따르면, 왼손 손가락이 위치하게 되는 키 순서가 Q, W, E, R, T, Y 배열을 가지는 쿼티(QWERTY) 키보드를 사용한 문자 입력시 한영 자동 전환 방법 및 그 장치에 관한 것이다. 한영 자동 전환 장치는 쿼티 키보드의 문자 키들을 키의 특징에 따라 분류한다. 그리고 한글모드 상태에서 쉬프트 키의 입력 유무 및 키 분류 정보를 토대로 입력된 키의 종류를 분석하여 한글문자 또는 자동 전환된 영어문자를 출력한다.
      이와 같이, 한글모드 상태에서 쉬프트 키의 입력 유무 및 분류된 키 분류 정보를 토대로 사용자가 입력한 키를 분석하여 한글 또는 영어로 자동 전환한다. 따라서, 사용자가 별도의 한/영 변환키를 사용하지 않고서도 한글 또는 영어 문자가 혼재된 문서 작업을 손쉽게 할 수 있다.
      쿼티 키보드, 한영 자동 전환, 한/영 변환키