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    • 21. 发明申请
    • METHOD AND APPARATUS FOR PROVIDING ENVIRONMENT FOR USE OF INTERNET-BASED SERVICE
    • 提供使用互联网服务环境的方法和装置
    • US20110041162A1
    • 2011-02-17
    • US12820223
    • 2010-06-22
    • Sung-Hyun YOONSoon-Seok LEEYoung-Boo KIM
    • Sung-Hyun YOONSoon-Seok LEEYoung-Boo KIM
    • G06F21/22
    • H04L63/08
    • An apparatus and method for improving the convenience and efficiency of use of the Internet and providing a fundamentally new environment for use of an Internet-based service through automation of authentication for Internet-based service are provided. The apparatus includes an authentication-authorization-accounting (AAA) agent which performs network access authentication such that a user terminal can access a network that the user terminal recognizes, and which performs user authentication required for using Internet-based services according to procedures in accordance with requirements predefined for a user's purpose, wherein the Internet-based services are provided over the Internet by a contents provider. Accordingly, it is possible to reduce costs to be spent on service preparation procedures which are not necessarily related to the actual use of services, and thus the convenience and efficiency of service can be improved.
    • 提供了一种用于提高互联网使用的便利性和效率的装置和方法,并且通过自动化基于因特网服务的认证为基于因特网服务的使用提供了基本的新环境。 该装置包括执行网络接入认证的认证授权计费(AAA)代理,使得用户终端可以访问用户终端识别的网络,并且根据根据过程执行使用基于因特网的服务所需的用户认证 具有针对用户的目的预定义的要求,其中基于因特网的服务由内容提供商通过因特网提供。 因此,可以降低不一定与服务的实际使用相关的服务准备过程花费,从而可以提高服务的便利性和效率。
    • 22. 发明申请
    • FLOW-BASED DYNAMIC ACCESS CONTROL SYSTEM AND METHOD
    • 基于流动的动态访问控制系统和方法
    • US20110023088A1
    • 2011-01-27
    • US12842194
    • 2010-07-23
    • Nam-Seok KOSoon-Seok LeeJong-Dae ParkSung-Kee NohPyung-Koo ParkSeung-Woo HongSung-Back HongSeong Moon
    • Nam-Seok KOSoon-Seok LeeJong-Dae ParkSung-Kee NohPyung-Koo ParkSeung-Woo HongSung-Back HongSeong Moon
    • G06F21/20
    • H04L63/1441H04L63/102
    • A traffic analysis and flow-based dynamic access control system and method. The flow-based dynamic access control system for controlling a user's access to an internal communication network through an external communication network includes an access control unit operating in an access control mode in which traffic received from a user is basically blocked, generating state management information of a flow, which is received from the user, based on a specified packet of the flow, and verifying whether access of the flow to the internal communication network is a normal access. As a proactive defense concept of allowing only normal users to access an internal network, a method of blocking attacks from a system contaminated by a worm virus, detecting a cyber attack on a certain system in advance and automatically avoiding the cyber attack, and guaranteeing the quality of normal traffic even under cyber attacks without performance degradation of the internal network is provided.
    • 一种流量分析和流量动态访问控制系统及方法。 用于通过外部通信网络控制用户对内部通信网络的访问的基于流的动态访问控制系统包括以访问控制模式操作的访问控制单元,其中从用户接收的业务基本上被阻止,生成状态管理信息 从用户接收的流,基于流的指定分组,以及验证到内部通信网络的流的访问是否是正常访问。 作为只允许正常用户访问内部网络的主动防御概念,阻止来自受病毒感染的系统的攻击的方法,提前检测某个系统的网络攻击并自动避免网络攻击,并保证 提供即使在网络攻击下正常流量的质量,也不会导致内部网络性能下降。
    • 23. 发明授权
    • Method for measuring end-to-end delay in asynchronous packet transfer network, and asynchronous packet transmitter and receiver
    • 用于测量异步分组传输网络中的端到端延迟的方法,以及异步分组发射机和接收机
    • US07835290B2
    • 2010-11-16
    • US11503592
    • 2006-08-14
    • Jong Tae SongSoon Seok Lee
    • Jong Tae SongSoon Seok Lee
    • G01R31/08
    • H04L47/10H04J3/247H04L41/5022H04L43/0829H04L43/0852H04L43/0864H04L43/106H04L43/50H04L45/50H04L47/115H04L47/24H04L47/283
    • Provided are a method for measuring an end-to-end delay, and asynchronous packet transmitter/receiver, capable of conveniently and exactly measuring a packet delay in an asynchronous packet transfer network in which a transfer priority is determined as in MPLS. The method includes the steps of continuously transmitting a higher priority packet and a lower priority packet at an ingress node, measuring a time when the higher priority packet arrives at an egress node, measuring a time when the lower priority packet arrives at the egress node, and calculating a delay time from the arrival time of the higher and lower priority packets. The higher and lower priority packets each include Coupled Label and Sequence Number fields for discriminating one of the packets that are repeatedly transmitted, the Coupled Label field of the higher priority packet is recorded with a label value of the lower priority packet, and the Coupled Label field of the lower priority packet is recorded with a label value of the higher priority packet.
    • 提供了一种用于测量端到端延迟的方法和异步分组发送器/接收器,其能够方便和准确地测量异步分组传送网络中的分组延迟,其中如在MPLS中确定传送优先级。 该方法包括以下步骤:在入节点处连续发送较高优先级的分组和较低优先级的分组,测量较高优先级分组到达出口节点的时间,测量较低优先级分组到达出口节点的时间, 并计算从较高和较低优先级分组的到达时间的延迟时间。 较高和较低优先级的数据包每个都包括用于区分重复发送的数据包之一的耦合标签和序列号字段,较高优先级数据包的耦合标签字段被记录有较低优先级数据包的标签值,耦合标签 以较高优先级的分组的标签值记录低优先级分组的字段。
    • 25. 发明申请
    • METHOD AND SYSTEM FOR PROVIDING SOURCE SPECIFIC MULTICAST SERVICE ON ETHERNET NETWORK
    • 用于在以太网上提供源特定多播服务的方法和系统
    • US20100135298A1
    • 2010-06-03
    • US12628429
    • 2009-12-01
    • Heuk PARKSoon Seok Lee
    • Heuk PARKSoon Seok Lee
    • H04L12/56
    • H04L12/185H04L29/12839H04L49/201H04L49/351H04L61/6022
    • There are provided a method and a system for providing a source specific multicast service on an Ethernet network. The system includes: a router managing a subscriber; a user terminal transmitting an IGMP packet to the router and transmitting channel reception information that uses an MAC address of the router as a destination MAC address; and an Ethernet switch receiving the channel reception information from the user terminal, determining whether there is a channel subscriber in a port to which the channel reception information has been input based on the contents of the channel reception information, and then outputting a frame that has a channel MAC address, which is the same as that of the channel reception information, as a destination address to the input port in a case where there is a channel subscriber in the input port.
    • 提供了一种用于在以太网上提供源特定组播服务的方法和系统。 该系统包括:管理用户的路由器; 用户终端向所述路由器发送IGMP分组,并且发送使用所述路由器的MAC地址作为目的地MAC地址的信道接收信息; 以及从用户终端接收频道接收信息的以太网交换机,基于频道接收信息的内容,确定在已经输入频道接收信息的端口中是否存在频道用户,然后输出具有 在输入端口中存在信道用户的情况下,将与信道接收信息相同的信道MAC地址作为到输入端口的目的地地址。
    • 27. 发明申请
    • METHOD AND APPARATUS FOR BLOCKING FORGED MULTICAST PACKETS
    • 阻塞加密多媒体包的方法和装置
    • US20100020796A1
    • 2010-01-28
    • US12516229
    • 2007-10-31
    • Heuk ParkJong-Tae SongKyung-Gyu JeonSoon-Seok Lee
    • Heuk ParkJong-Tae SongKyung-Gyu JeonSoon-Seok Lee
    • H04L12/56
    • H04L63/1441H04L63/1466
    • Provided are a method and apparatus for blocking forged multicast packets. The apparatus includes input and output ports connected to user terminals; a forwarding process unit transferring a frame input through one of the input ports to one of the output ports connected to a user terminal having a destination address; a determination unit determining an address of a user terminal connected to one of the input ports from a source address included in the frame; a filtering database storing information on the output port connected to the user terminal having the destination address of the frame based on information received from the determination unit; a multicast gate information unit including information on multicast media access control (MAC) addresses of frames providing a monodirectional multicast service and blocking or forwarding all frames having a corresponding multicast MAC address as the destination address by checking whether the input and output ports are connected to an Internet group management protocol (IGMP) querier or not; and a port information transference unit learning the multicast MAC address of the IGMP querier connected to the apparatus, obtaining information on a port having the multicast MAC address as the destination address from the filtering database, and transferring the information to the multicast gate information unit. According to the present application, forged traffic is blocked from being multicasted and thus restricted resources of a network are prevented from being wasted. As a result, the network may be used more efficiently in an industrial field.
    • 提供了一种用于阻止伪造的组播数据包的方法和装置。 该装置包括连接到用户终端的输入和输出端口; 转发处理单元,将通过所述输入端口之一输入的帧传送到连接到具有目的地地址的用户终端的输出端口之一; 确定单元,从包括在所述帧中的源地址确定连接到所述输入端口之一的用户终端的地址; 过滤数据库,其基于从所述确定单元接收的信息,存储关于连接到具有所述帧的目的地地址的用户终端的输出端口的信息; 组播门信息单元,其包括提供单向多播服务的帧的组播媒体访问控制(MAC)地址的信息,并且通过检查输入和输出端口是否连接到所述具有相应多播MAC地址的所有帧作为目的地地址来阻止或转发 一个互联网组管理协议(IGMP)查询器; 以及端口信息转发单元,用于学习与该装置连接的IGMP查询器的组播MAC地址,从过滤数据库获取具有组播MAC地址的端口作为目的地地址的信息,并将该信息传送给组播门信息单元。 根据本申请,伪造的业务被阻止被多播,从而防止网络的资源被浪费。 结果,可以在工业领域中更有效地使用网络。
    • 29. 发明申请
    • METHOD AND APPARATUS FOR PROVIDING PERSONALIZED ADVERTISEMENTS IN INTERNET PROTOCOL TV (IPTV) SYSTEM
    • 在互联网协议电视(IPTV)系统中提供个性化广告的方法和装置
    • US20090150929A1
    • 2009-06-11
    • US12137947
    • 2008-06-12
    • Heuk ParkSoon-seok Lee
    • Heuk ParkSoon-seok Lee
    • H04N7/025H04N7/12
    • G06Q30/0255G06Q30/0256H04H20/103H04N21/26241H04N21/2668H04N21/6125H04N21/812
    • Provided are an apparatus and method for providing an advertisement service personalized for each user or for each group. The personalized advertisement providing method includes: a personalized advertisement providing method which is used in an Internet Protocol Television (IPTV) System, including: receiving at least one broadcasting program of a plurality of broadcasting programs classified according to a plurality of channels; and determining whether a present time is an advertisement broadcasting time, transmitting a received broadcasting program to a plurality of user terminals which selects a channel on which the broadcasting program is provided if the present time is not an advertisement broadcasting time, dividing the plurality of user terminals into a plurality of groups and transmitting an advertisement classified for each group to one or more user terminals belonging to the group if the present time is an advertisement broadcasting time. Therefore, it is possible to enhance use efficiency of bandwidths, to reduce restrictions related to installation, etc. of an apparatus for providing advertisement services, and to reduce the number of apparatuses that have to be installed, resulting in reduction of costs.
    • 提供了一种用于为每个用户或每个组提供个性化的广告服务的装置和方法。 个性化广告提供方法包括:在因特网协议电视(IPTV)系统中使用的个性化广告提供方法,包括:接收根据多个频道分类的多个广播节目的至少一个广播节目; 并且确定当前时间是否是广告广播时间,如果当前时间不是广告广播时间,则将接收到的广播节目发送到选择提供广播节目的频道的多个用户终端,将多个用户 如果当前时间是广告广播时间,则将终端分成多个组,并将分组为每个组的广告发送到属于该组的一个或多个用户终端。 因此,可以提高带宽的使用效率,减少用于提供广告服务的装置的安装等的限制,并且减少必须安装的装置的数量,导致成本的降低。
    • 30. 发明申请
    • Apparatus and Method for Multi-Protocol Label Switching Label-Switched Path Protection Switching
    • 多协议标签交换标签交换路径保护倒换的设备和方法
    • US20080316920A1
    • 2008-12-25
    • US12093278
    • 2006-11-13
    • Kyung Gyu ChunSoon Seok Lee
    • Kyung Gyu ChunSoon Seok Lee
    • H04L12/24
    • H04L45/00H04L41/0668H04L43/0811H04L45/22H04L45/28H04L45/50
    • Provided are system and method for multi-protocol label switching (MPLS) label-switched path (LSP) protection switching in an MPLS system employing a working LSP and a protection LSP in a 1:1 mode, the apparatus and method prepare a dedicated LSP for one working LSP and are capable of rapidly processing a forward defect indication (FDI)/backward defect indication (BDI) signal when a failure occurs on the working LSP. The system includes: an ingress node multicasting input MPLS traffic through the working LSP and the protection LSP using a fed-back BDI signal; a transit node relaying the MPLS traffic input from the ingress node, and generating a FDI signal when the failure occurs; and an egress node extracting the MPLS traffic from the MPLS LSP input from the transit node, and when the FDI signal is detected, inserting and feeding back the BDI signal to the ingress node through a return path and performing switching to the protection LSP.
    • 提供了在采用1:1模式的工作LSP和保护LSP的MPLS系统中进行多协议标签交换(MPLS)标签交换路由(LSP)保护倒换的系统和方法,该装置和方法准备专用LSP 对于一个工作LSP,并且能够在工作LSP发生故障时快速处理前向缺陷指示(FDI)/后向缺陷指示(BDI)信号。 该系统包括:入节点通过工作LSP和保护LSP通过反馈BDI信号多播输入MPLS流量; 中继节点,中继来自入口节点的MPLS流量输入,当发生故障时产生FDI信号; 出口节点从传输节点输入的MPLS LSP提取MPLS流量,当检测到FDI信号时,通过返回路径插入并将BDI信号反馈给入节点,并对保护LSP进行切换。