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    • 22. 发明授权
    • Method for managing ethernet ring network of VLAN-based bridge
    • 基于VLAN的桥接以太网环网管理方法
    • US08638807B2
    • 2014-01-28
    • US12841646
    • 2010-07-22
    • Dae Ub KimSang Min LeeJeong Dong RyooJea Hoon YuTae Whan Yoo
    • Dae Ub KimSang Min LeeJeong Dong RyooJea Hoon YuTae Whan Yoo
    • H04L12/28
    • H04L41/0654H04L12/437H04L12/4637H04L12/4641
    • A method for managing an Ethernet ring network of a VLAN-based bridge is provided that includes: registering a major-ring VLAN ID (VID) in a ring port filtering database of a ring protection link owner node in accordance with a request for registering the major ring VID from an Ethernet Ring Protection controller mounted on the ring protection link owner node of a major ring; delivering, by the ring protection link owner node, a VID registration message to other nodes which belong to the major ring through a ring port; receiving the VID registration message through the ring port and registering the major ring VID in a ring port filtering database of each node itself, by each node belonging to the major ring; and delivering, by each node belonging to the major ring, the VID registration message to other nodes belonging to the major ring through the ring port.
    • 提供了一种用于管理基于VLAN的网桥的以太网环网的方法,包括:根据注册请求的环网保护链路所有者节点的环形端口过滤数据库中注册主环VLAN ID(VID) 主环VID从以太网环保护控制器安装在主环的环保护链路所有者节点上; 环网保护链路所有者节点通过环形端口向属于主环的其他节点发送VID注册消息; 通过环形端口接收VID注册消息,并通过属于主环的每个节点将主环VID注册到每个节点本身的环形端口过滤数据库中; 并且通过环形端口将属于主环的各节点的VID注册消息传递给属于主环的其他节点。
    • 23. 发明授权
    • Apparatus and method of classifying packets
    • 分组的装置和方法
    • US08165125B2
    • 2012-04-24
    • US12206078
    • 2008-09-08
    • Jung Hak KimTae Whan YooSong In Choi
    • Jung Hak KimTae Whan YooSong In Choi
    • H04L12/28H04L12/56
    • H04L47/10H04L47/2441
    • The present invention relates to an apparatus and method of classifying packets that can support a quality of service (QoS) in a network system. An apparatus for classifying packets according to an exemplary embodiment of the present invention includes: a first unit that analyzes input data packets, extracts pluralities of specific fields from the data packets using an analyzed result, and outputs the pluralities of specific fields; pluralities of second units that compare data of a first portion of the pluralities of extracted specific fields with data in a table, determine whether items that satisfy a predetermined condition exist in the table, and output hit signals and pointers indicating positions of the items that satisfy the predetermined condition when the items that satisfy the predetermined condition exist in the table; and a third unit that compares data of a second portion of the pluralities of extracted specific fields and key data including the pointers input from the pluralities of second units and rule data in a rule table and outputs classes corresponding to the items when the key data and the rule data are matched.
    • 本发明涉及对能够支持网络系统中的服务质量(QoS)的分组进行分类的装置和方法。 根据本发明的示例性实施例的用于分类分组的装置包括:分析输入数据分组的第一单元,使用分析结果从数据分组中提取多个特定字段,并输出多个特定字段; 将多个提取的特定字段的第一部分的数据与表中的数据进行比较的多个第二单元,确定表中是否存在满足预定条件的项目,并输出指示满足条件的位置的命中信号和指针 当表中存在满足预定条件的项目时的预定条件; 以及第三单元,其将多个提取的特定字段的第二部分的数据和包括从多个第二单元输入的指针和规则数据的密钥数据的数据进行比较,并输出与密钥数据和密钥数据对应的项目 规则数据匹配。
    • 25. 发明授权
    • Apparatus for and method of generating pointers for transfer of structured data in AAL1
    • 用于生成用于在AAL1中传输结构化数据的指针的装置和方法
    • US07224694B2
    • 2007-05-29
    • US10251129
    • 2002-09-20
    • Ho Yong KangJe Soo KoTae Whan Yoo
    • Ho Yong KangJe Soo KoTae Whan Yoo
    • H04L12/28
    • H04L12/5601H04L2012/5616H04L2012/5654
    • An apparatus for and a method of generating pointers for identifying structure boundaries of data for leased lines such as T1/E1 in an asynchronous transfer mode (ATM) adaptation layer Type 1 (AAL1) through an ATM layer. The apparatus includes a control signal generating unit for receiving a sequence number signal and a start signal, thereby generating enable signals and control signals, a next-cycle boundary generating unit for generating a next-cycle boundary value, using a pointer value and a “Pointer_P” value adapted to store a sequence of ATM cells, a modulo calculating unit for calculating a modulo obtained by dividing the next-cycle boundary value received from the next-cycle boundary generating unit by an externally-received block size value, a current-cycle boundary generating unit for generating a current-cycle boundary value, using the next-cycle boundary value received from the next-cycle boundary generating unit, the modulo received from the modulo calculating unit, and the block size value; and the pointer calculating unit for generating a pointer value for determination of structure boundaries and a “Pointer_P” value, to be supplied to the next-cycle boundary generating unit, based on the current-cycle boundary value received from the current-cycle boundary generating unit.
    • 一种生成用于通过ATM层在异步传输模式(ATM)适配层类型1(AAL1)中识别诸如T1 / E1的租用线路的数据结构边界的装置和方法。 该装置包括:控制信号产生单元,用于接收序列号信号和起始信号,从而产生使能信号和控制信号;下一个周期边界产生单元,用于产生下一周期边界值;使用指针值和“ Pointer_P“值,用于计算通过将从下一周期边界产生单元接收的下一个周期边界值除以外部接收的块大小值获得的模的模计算单元,模数计算单元, 循环边界产生单元,用于使用从下一周期边界产生单元接收的下一周期边界值,从模数计算单元接收的模数和块大小值来生成当前周期边界值; 以及指针计算单元,用于基于从当前周期边界生成接收到的当前周期边界值,生成用于确定结构边界的指针值和“Pointer_P”值,以提供给下一周期边界生成单元 单元。
    • 26. 发明申请
    • MAC security entity for link security entity and transmitting and receiving method therefor
    • 链路安全实体的MAC安全实体及其发送和接收方法
    • US20060136715A1
    • 2006-06-22
    • US11266627
    • 2005-11-03
    • Kyeong Soo HanKwang Ok KimTae Whan Yoo
    • Kyeong Soo HanKwang Ok KimTae Whan Yoo
    • H04L9/00
    • H04L63/126H04L9/0631H04L9/0637H04L9/3242H04L63/1458
    • An apparatus and method for providing a security function of frames transmitted between optical network terminals (OLTs) and optical network units (ONUs) in an Ethernet passive optical network (EPON) providing media access control (MAC) services are provided. The apparatus includes: a frame classifier distinguishing the type of a frame, and based on the logical link identifier (LLID) of the distinguished frame, determining whether or not the frame is a security link to which a security function is to be applied; a bypass unit delaying a no-security-function frame so that a processing time for converting the security-function-applied frame classified in the frame classifier into an encrypted frame is the same as a time for processing the no-security-function frame; and a parameter generation unit transmitting in relation to each of the LLIDs, a parameter set value including a security-function-application setting signal used in the encryption, decryption and authentication of the frame, a frame decryption signal, an encryption mode selection signal, and an authentication intensity adjustment signal.
    • 提供了一种在提供媒体访问控制(MAC)服务的以太网无源光网络(EPON)中提供在光网络终端(OLT)和光网络单元(ONU)之间传输的帧的安全功能的装置和方法。 该装置包括:区分帧的类型的帧分类器,并且基于识别帧的逻辑链路标识符(LLID),确定帧是否是要应用安全功能的安全链路; 旁路单元延迟无安全功能帧,使得将分类在帧分类器中的安全功能应用帧转换为加密帧的处理时间与用于处理无安全功能帧的时间相同; 以及相关于每个所述LLID发送的参数生成单元,包括在所述帧的加密,解密和认证中使用的安全功能应用设置信号的参数设置值,帧解密信号,加密模式选择信号, 和认证强度调整信号。
    • 28. 发明授权
    • MAC security entity for link security entity and transmitting and receiving method therefor
    • 链路安全实体的MAC安全实体及其发送和接收方法
    • US07797745B2
    • 2010-09-14
    • US11266627
    • 2005-11-03
    • Kyeong Soo HanKwang Ok KimTae Whan Yoo
    • Kyeong Soo HanKwang Ok KimTae Whan Yoo
    • G06F12/14
    • H04L63/126H04L9/0631H04L9/0637H04L9/3242H04L63/1458
    • An apparatus and method for providing a security function of frames transmitted between optical network terminals (OLTs) and optical network units (ONUs) in an Ethernet passive optical network (EPON) providing media access control (MAC) services are provided. The apparatus includes: a frame classifier distinguishing the type of a frame, and based on the logical link identifier (LLID) of the distinguished frame, determining whether or not the frame is a security link to which a security function is to be applied; a bypass unit delaying a no-security-function frame so that a processing time for converting the security-function-applied frame classified in the frame classifier into an encrypted frame is the same as a time for processing the no-security-function frame; and a parameter generation unit transmitting in relation to each of the LLIDs, a parameter set value including a security-function-application setting signal used in the encryption, decryption and authentication of the frame, a frame decryption signal, an encryption mode selection signal, and an authentication intensity adjustment signal.
    • 提供了一种在提供媒体访问控制(MAC)服务的以太网无源光网络(EPON)中提供在光网络终端(OLT)和光网络单元(ONU)之间传输的帧的安全功能的装置和方法。 该装置包括:区分帧的类型的帧分类器,并且基于识别帧的逻辑链路标识符(LLID),确定帧是否是要应用安全功能的安全链路; 旁路单元延迟无安全功能帧,使得将分类在帧分类器中的安全功能应用帧转换为加密帧的处理时间与用于处理无安全功能帧的时间相同; 以及相关于每个所述LLID发送的参数生成单元,包括在所述帧的加密,解密和认证中使用的安全功能应用设置信号的参数设置值,帧解密信号,加密模式选择信号, 和认证强度调整信号。
    • 29. 发明申请
    • APPARATUS AND METHOD OF CLASSIFYING PACKETS
    • 分类和分类方法
    • US20090135826A1
    • 2009-05-28
    • US12206078
    • 2008-09-08
    • Jung Hak KIMTae Whan YooSong In Choi
    • Jung Hak KIMTae Whan YooSong In Choi
    • H04L12/28
    • H04L47/10H04L47/2441
    • The present invention relates to an apparatus and method of classifying packets that can support a quality of service (QoS) in a network system. An apparatus for classifying packets according to an exemplary embodiment of the present invention includes, a first unit that analyzes input data packets, extracts pluralities of specific fields from the data packets using an analyzed result, and outputs the pluralities of specific fields; pluralities of second units that compare data of a first portion of the pluralities of extracted specific fields with data in a table, determine whether items that satisfy a predetermined condition exist in the table, and output hit signals and pointers indicating positions of the items that satisfy the predetermined condition when the items that satisfy the predetermined condition exist in the table; and a third unit that compares data of a second portion of the pluralities of extracted specific fields and key data including the pointers input from the pluralities of second units and rule data in a is rule table and outputs classes corresponding to the items when the key data and the rule data are matched.
    • 本发明涉及对能够支持网络系统中的服务质量(QoS)的分组进行分类的装置和方法。 根据本发明的示例性实施例的用于分类分组的装置包括:分析输入数据分组的第一单元,使用分析结果从数据分组中提取多个特定字段,并输出多个特定字段; 将多个提取的特定字段的第一部分的数据与表中的数据进行比较的多个第二单元,确定表中是否存在满足预定条件的项目,并输出指示满足条件的位置的命中信号和指针 当表中存在满足预定条件的项目时的预定条件; 以及第三单元,其将多个提取的特定字段的第二部分的数据和包括从多个第二单元输入的指针的密钥数据和规则数据比较为一个规则表,并输出与密钥数据 并且规则数据匹配。
    • 30. 发明申请
    • Method of monitoring link performance and diagnosing active link state in ethernet passive optical network
    • 监控链路性能和诊断以太网无源光网络中主动链路状态的方法
    • US20060221841A1
    • 2006-10-05
    • US11286632
    • 2005-11-22
    • Ho LeeJee EunTae Whan YooBong Kim
    • Ho LeeJee EunTae Whan YooBong Kim
    • H04J3/14
    • H04L43/0811H04L43/0847H04L43/16
    • Provided is a method of monitoring link performance and diagnosing an active link state without interrupting traffic in an Ethernet passive optical network (EPON) while the link is in the active state. The method of monitoring link performance and diagnosing an active link state without interrupting data flow to logic links which are in active states in the EPON, includes: a) allowing an operator of the EPON to select a link performance monitoring function or a link active state diagnosing function; b-1) if the link performance monitoring function is selected, setting a monitoring cycle timer and periodically transmitting a performance information request frame from a local node to a remote node; b-2) if the remote node receives the performance information request frame, collecting corresponding link performance information and transmitting a response frame from the remote node to the local node in a format which is predetermined in accordance with a corresponding frame format; b-3) if the local node receives the response frame from the remote node, analyzing the performance information of the response frame and determining whether the link performance has deteriorated or if a failure has occurred in the local node; b-4) if the deterioration of the link function or the degree of the failure reaches a predetermined threshold, reporting to an upper layer that a failure has occurred.
    • 提供了一种在链路处于活动状态时监视链路性能和诊断活动链路状态而不中断以太网无源光网络(EPON)中的业务的方法。 监视链路性能和诊断活动链路状态而不中断到EPON中处于活动状态的逻辑链路的数据流的方法包括:a)允许EPON的运营商选择链路性能监视功能或链路活动状态 诊断功能; b-1)如果选择了链路性能监视功能,则设置监视周期定时器并且周期地从本地节点向远程节点发送性能信息请求帧; b-2)如果所述远程节点接收到所述性能信息请求帧,则收集对应的链路性能信息,并以根据对应的帧格式预定的格式从所述远程节点向所述本地节点发送响应帧; b-3)如果本地节点从远程节点接收到响应帧,分析响应帧的性能信息,确定链路性能是否恶化,或者本地节点是否发生故障; b-4)如果链路功能的劣化或故障程度达到预定阈值,则向上层报告发生故障。