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    • 1. 发明授权
    • Method for preventing transmission control protocol synchronous package flood attack
    • 防止传输控制协议同步包洪泛攻击的方法
    • US07363652B2
    • 2008-04-22
    • US10613159
    • 2003-07-03
    • Yong YangXindong TengHongzhou JiangMinglei LiQiang ZhaoFei ZhengJiansen YangJingze GuoYan Qi
    • Yong YangXindong TengHongzhou JiangMinglei LiQiang ZhaoFei ZhengJiansen YangJingze GuoYan Qi
    • G06F17/30G06F17/00
    • H04L63/02H04L63/145
    • The invention relates to a method for preventing TCP SYN package flood attack, and belongs to the computer network security field. First, the firewall receives a client a TCP SYN connection request package, and responses, as an agent of the server, an acknowledgement of the TCP SYN connection request package with zero window size to the client. Then, the firewall records information about the TCP SYN connection request package and checks whether the connection request is legal. When the firewall has received a TCP SYN response package from the server, it returns an acknowledgement of said TCP SYN response package. At the same time, the firewall, as an agent of the server, sends an acknowledgement packet with nonzero window size to the client for initiating data transmission from the client. After that, data packets are transferred between the client and the server forwarded by the firewall as an agent. With the invention method, it can guarantee that protected servers in a computer network will not be destroyed by TCP SYN package flood attack.
    • 本发明涉及一种防止TCP SYN包洪泛攻击的方法,属于计算机网络安全领域。 首先,防火墙接收客户端TCP SYN连接请求包,响应作为服务器的代理,确认客户端具有零窗口大小的TCP SYN连接请求包。 然后,防火墙记录有关TCP SYN连接请求包的信息,并检查连接请求是否合法。 当防火墙从服务器接收到TCP SYN响应包时,它返回所述TCP SYN响应包的确认。 同时,防火墙作为服务器的代理,向客户端发送具有非零窗口大小的确认数据包,以从客户端发起数据传输。 之后,数据包在客户端和作为代理的防火墙转发的服务器之间传输。 利用本发明的方法,可以保证计算机网络中受保护的服务器不会被TCP SYN包洪泛攻击所破坏。
    • 4. 发明授权
    • Charging correlation for dedicated bearers
    • 专用承载器的充电相关性
    • US08706080B2
    • 2014-04-22
    • US13499749
    • 2010-10-01
    • Yong YangSusana Fernandez Alonso
    • Yong YangSusana Fernandez Alonso
    • H04M11/00H04L1/00G06F15/173
    • H04L12/14H04L47/70
    • A Policy and Charging Rules Function, a PCRF (120), for use with a Policy and Charging Enforcement Function, a PCEF (135), over a Gx interface, and arranged to communicate with an Application Function, an AF (110), over an Rx interface. The PCRF (120) is arranged to receive a request from the AF (110) regarding Access Network Charging Correlation Information for the AF, and if such a request is received from the AF, the PCRF (120) checks if the Access Network Charging Correlation Information is known to the PCRF, in which case the PCRF (120) provides the information to the AF (110), and if the Access Network Charging Correlation Information is not known to the PCRF (120), it subscribes to the Access Network Charging Correlation Information from the PCEF (135) and to supply the Access Network Charging Correlation Information to the AF (110) after reception from the PCEF (135).
    • 策略和计费规则功能,用于策略和计费执行功能的PCRF(120),PCEF(135),经Gx接口并被布置成与应用功能,AF(110)通信 一个Rx接口。 PCRF(120)被布置为从AF(110)接收关于AF的接入网络计费相关信息的请求,并且如果从AF接收到这样的请求,则PCRF(120)检查接入网络计费相关性 PCRF知道信息,在这种情况下,PCRF(120)将信息提供给AF(110),如果PCRF(120)不知道接入网络计费相关信息,则它订阅接入网络计费 来自PCEF(135)的相关信息并且在从PCEF(135)接收到之后向AF(110)提供接入网络计费相关信息。
    • 5. 发明申请
    • BIAXIAL LINEAR-MOTION MICRO DRIVE APPARATUS
    • 双向线性运动微型驱动装置
    • US20140053670A1
    • 2014-02-27
    • US13989850
    • 2011-10-13
    • Yumei HuangHongyan LiuXingang YangYong Yang
    • Yumei HuangHongyan LiuXingang YangYong Yang
    • B23Q5/22
    • B23Q5/22B23Q5/28B23Q2210/002Y10T74/18992
    • A biaxial linear-motion micro drive apparatus includes: a mounting base A on an upper surface of a Z-direction sliding base; a Z-direction micro actuator fixed within the mounting base A and connected with a Z-direction micro-motion platform connected with an X-direction sliding base; Z-direction guide rail strips arranged on the Z-direction sliding; two Z-direction guide rail blocks provided on one Z-direction guide rail strip fixedly mounted on a lower surface of the X-direction sliding base; a mounting base B provided on an upper surface of the X-direction sliding base; an X-direction micro actuator in the mounting base B and connected with an X-direction micro-motion platform connected with an XZ biaxial motion platform; two X-direction guide rail strips arranged on the upper surface of the X-direction sliding base; two X-direction guide rail blocks provided on each X-direction guide rail strip mounted on a lower surface of the XZ biaxial motion platform.
    • 双轴直线运动微驱动装置包括:在Z方向滑动基座的上表面上的安装基座A; 固定在安装基座A内并与与X方向滑动基座连接的Z方向微动平台连接的Z方向微致动器; Z方向导轨条布置在Z方向滑动; 设置在固定安装在X方向滑动基座的下表面上的一个Z方向导轨条上的两个Z方向导轨块; 设置在X方向滑动基座的上表面上的安装基座B; 安装基座B上的X方向微型致动器,与XZ双轴运动平台连接的X方向微动平台连接; 两个X方向导轨条布置在X方向滑动底座的上表面上; 设置在安装在XZ双轴运动平台的下表面上的每个X方向导轨条上的两个X方向导轨块。
    • 6. 发明申请
    • CIRCUIT SWITCHED FALLBACK PAGING FOR MOBILITY MANAGEMENT ENTITY POOL
    • 用于移动性管理实体池的电路切换失败寻呼
    • US20130235805A1
    • 2013-09-12
    • US13885389
    • 2010-11-14
    • Yong YangGunnar RydnellAnn-Christine Sander
    • Yong YangGunnar RydnellAnn-Christine Sander
    • H04W76/02
    • H04W76/10H04W28/08H04W68/00H04W68/12H04W92/24
    • Method for a switching unit (MSC_I) in a network in which a user equipment is being adapted to be attached and connected to a 2G/3G network for performing circuit switched, CS, communication with the network, or being adapted to be attached to a LTE network, for performing packet switched, PS, communication, wherein the PS communication is adapted to be performed via a mobility management entity, MME, which may be arranged in a pool of MME's, the user equipment being adapted to receive page signals so as to inform the user of incoming calls, the switching unit (MSC_I) being adapted for issuing page signals to MME nodes, receiving an incoming external CS call; performing detection of a first selected MME, as to whether the first selected MME is ready or not; if detecting a not ready state concerning the selected MME (MME_I1), selecting an alternative MME and issuing a page message.
    • 网络中的切换单元(MSC_I)的方法,其中用户设备适于附接并连接到2G / 3G网络,用于执行电路交换,CS,与网络的通信,或适于附接到 LTE网络,用于执行分组交换,PS,通信,其中所述PS通信适于经由移动性管理实体MME执行,所述移动性管理实体可以被布置在MME的池中,所述用户设备适于接收寻呼信号,以便 向用户通知呼入,所述交换单元(MSC_I)适于向MME节点发出寻呼信号,接收进入的外部CS呼叫; 执行对第一选择的MME的检测,关于第一选择的MME是否就绪; 如果检测到关于所选择的MME(MME_I1)的未就绪状态,则选择备选MME并发出寻呼消息。
    • 9. 发明申请
    • ESTABLISHING A COMMUNICATION SESSION
    • 建立通信会议
    • US20120059944A1
    • 2012-03-08
    • US13319184
    • 2009-06-19
    • Susana Fernandez AlonsoAna Maria Lopez NietoSven-Ove EmanuelssonYong Yang
    • Susana Fernandez AlonsoAna Maria Lopez NietoSven-Ove EmanuelssonYong Yang
    • G06F15/16
    • H04L12/14H04L12/1457
    • According to a first aspect of the present invention there is provided a method of facilitating a communication session between a user terminal and an Application Function over an IP Connectivity Access Network. The method comprises, at a Policy and Charging Rules Function, receiving information relating to the session from the Application Function (B3), determining one or more Policy and Charging Control rules for the session including deriving a Quality of Service authorised for the session, and sending the Policy and Charging Control rules, including the authorised Quality of Service, to a Policy and Charging Enforcement Function (B5). At the Policy and Charging Enforcement Function, installing the one or more Policy and Charging Control rules including the aurhtorised Quality of Service for the session, and, if it is determined that the authorised Quality of Service cannot be achieved due to a limitation on a Quality of Service available in the Access Network, then reporting this to the Policy and Charging Rules Function and including the available Quality of Service (B8). At the Policy and Charging Rules Function, receiving the report from the Policy and Charging Enforcement Function, including the available Quality of Service, and using the available Quality of Service to determine whether and/or how to maintain the session.
    • 根据本发明的第一方面,提供了一种通过IP连接接入网络促进用户终端和应用功能之间的通信会话的方法。 该方法包括:在策略和计费规则功能中,从应用功能(B3)接收与该会话有关的信息,确定该会话的一个或多个策略和计费控制规则,包括导出为会话授权的服务质量,以及 将策略和计费控制规则(包括授权服务质量)发送到策略和计费执行功能(B5)。 在政策和充电执法功能中,安装一个或多个策略和计费控制规则,包括会话的优质服务质量,以及如果确定由于对质量的限制而无法实现授权服务质量 的服务,然后将其报告给策略和计费规则功能,并包括可用的服务质量(B8)。 在政策和计费规则功能中,接收策略和计费执行功能的报告,包括可用的服务质量,并使用可用的服务质量来确定是否和/或如何维护会话。