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    • 2. 发明申请
    • NETWORK SECURITY AND APPLICATIONS TO THE FABRIC ENVIRONMENT
    • 网络安全和应用于织物环境
    • US20080072309A1
    • 2008-03-20
    • US11860228
    • 2007-09-24
    • JAMES KLEINSTEIBERRichard HammonsDilip GunawardenaHung NguyenShankar BalasubramanianVidya Renganararayanan
    • JAMES KLEINSTEIBERRichard HammonsDilip GunawardenaHung NguyenShankar BalasubramanianVidya Renganararayanan
    • G06F15/16H04L9/00
    • H04L63/08H04L63/0428H04L63/0823H04L63/0869H04L63/104H04L63/20H04L2463/102
    • A method and apparatus for securing networks, focusing on application in Fibre Channel networks. A combination of unique security techniques are combined to provide overall network security. Responsibility for security in the network is assigned to one or more designated entities. The designated entities deploy management information throughout the network to enhance security by modifying the capabilities and operational permissions of the devices participating in the network. For example, through network control: logical management access or physical I/O access may be limited on a per device or per I/O basis; and all devices and ports in the network operate only with other approved devices and ports. These designated entities can better manage network security by exploiting a unique link authentication system as well as a unique push-model secure distributed time service. The link authentication involves a multi-phase nonce exchange exploiting various derivations of the nonce and other information such as hashes and encryptions. The push-model secure time distribution departs from the traditional Fibre Channel pull mode time distribution and provides for secure and reliable distributed time so that various security attacks may be defeated.
    • 一种用于保护网络的方法和设备,专注于光纤通道网络中的应用。 结合独特的安全技术,提供整体网络安全。 将网络中的安全责任分配给一个或多个指定实体。 指定实体在整个网络中部署管理信息,通过修改参与网络的设备的功能和操作许可来增强安全性。 例如,通过网络控制:逻辑管理访问或物理I / O访问可能在每个设备或每个I / O的基础上受到限制; 并且网络中的所有设备和端口仅与其他已批准的设备和端口一起工作。 这些指定实体可以通过利用独特的链路认证系统以及独特的推模型安全分发时间服务来更好地管理网络安全。 链路认证涉及利用随机数的各种推导和其他信息(如散列和加密)的多阶段随机交换。 推模型安全时间分配与传统的光纤通道拉模式时间分布不符,提供了安全可靠的分发时间,从而可能会破坏各种安全攻击。
    • 3. 发明授权
    • Network security and applications to the fabric environment
    • 网络安全和应用到面料环境
    • US08621567B2
    • 2013-12-31
    • US11198834
    • 2005-08-05
    • James KleinsteiberRichard L. HammonsDilip GunawardenaHung NguyenShankar BalasubramanianVidya Renganararayanan
    • James KleinsteiberRichard L. HammonsDilip GunawardenaHung NguyenShankar BalasubramanianVidya Renganararayanan
    • G06F21/00
    • H04L63/08H04L63/0428H04L63/0823H04L63/0869H04L63/104H04L63/20H04L2463/102
    • A method and apparatus for securing networks, focusing on application in Fibre Channel networks. A combination of unique security techniques are combined to provide overall network security. Responsibility for security in the network is assigned to one or more designated entities. The designated entities deploy management information throughout the network to enhance security by modifying the capabilities and operational permissions of the devices participating in the network. For example, through network control: logical management access or physical I/O access may be limited on a per device or per I/O basis; and all devices and ports in the network operate only with other approved devices and ports. These designated entities can better manage network security by exploiting a unique link authentication system as well as a unique push-model secure distributed time service. The link authentication involves a multi-phase nonce exchange exploiting various derivations of the nonce and other information such as hashes and encryptions. The push-model secure time distribution departs from the traditional Fibre Channel pull mode time distribution and provides for secure and reliable distributed time so that various security attacks may be defeated.
    • 一种用于保护网络的方法和设备,专注于光纤通道网络中的应用。 组合独特的安全技术,提供整体网络安全。 将网络中的安全责任分配给一个或多个指定实体。 指定实体在整个网络中部署管理信息,通过修改参与网络的设备的功能和操作许可来增强安全性。 例如,通过网络控制:逻辑管理访问或物理I / O访问可能在每个设备或每个I / O的基础上受到限制; 并且网络中的所有设备和端口仅与其他已批准的设备和端口一起工作。 这些指定实体可以通过利用独特的链路认证系统以及独特的推模型安全分发时间服务来更好地管理网络安全。 链路认证涉及利用随机数的各种推导和其他信息(如散列和加密)的多阶段随机交换。 推模型安全时间分配与传统的光纤通道拉模式时间分布不符,提供了安全可靠的分发时间,从而可能会破坏各种安全攻击。
    • 8. 发明授权
    • Monitoring virtualized network
    • US09769049B2
    • 2017-09-19
    • US13560968
    • 2012-07-27
    • Hung Nguyen
    • Hung Nguyen
    • H04L12/28H04L12/26
    • H04L43/50H04L43/12
    • A method of monitoring virtualized network includes receiving information regarding the virtualized network, wherein the information is received at a port of a network switch appliance, receiving a packet at a network port of the network switch appliance, and using the received information to determine whether to process the packet according to a first packet processing scheme or a second packet processing scheme, wherein the first packet processing scheme involves performing header stripping, and performing packet transmission to one of a plurality of instrument ports at the network switch appliance after the header stripping, each of the instrument ports configured for communicatively coupling to a network monitoring instrument, and wherein the second packet processing scheme involves performing packet transmission to one of the plurality of instrument ports at the network switch appliance without performing any header stripping.
    • 10. 发明申请
    • Method and Apparatus for Accommodating Differrent Clock Frequencies in an Ethernet Passive Optical Network
    • 用于适应以太网无源光网络中不同时钟频率的方法和装置
    • US20110170868A1
    • 2011-07-14
    • US13073525
    • 2011-03-28
    • Edward W. BOYDRyan E. HirthHung Nguyen
    • Edward W. BOYDRyan E. HirthHung Nguyen
    • H04B10/20
    • H04J3/0638H04J3/0652H04J3/0682H04J3/07H04J3/1694H04Q11/0067H04Q2011/0079
    • One embodiment of the present invention provides a system that accommodates different clock frequencies in an Ethernet passive optical network (EPON). The system receives a signal from an optical line terminal (OLT) at an optical network unit (ONU) and derives an OLT clock. The system also maintains a local clock. The system further receives from the OLT an assignment for an upstream transmission window, during which the ONU can transmit an upstream data burst to the OLT based on the local clock. The system adjusts the number of bits of the data burst without affecting the payload data carried in the data burst, thereby allowing the data burst to fit properly within the upstream transmission window and compensating for frequency differences between the local clock and the OLT clock. The system transmits the data burst based on the local clock in the upstream transmission window.
    • 本发明的一个实施例提供一种在以太网无源光网络(EPON)中适应不同时钟频率的系统。 该系统从光网络单元(ONU)的光线路终端(OLT)接收信号,得到OLT时钟。 该系统还维护本地时钟。 该系统还从OLT接收用于上行传输窗口的分配,在该传输窗口期间,ONU可以基于本地时钟向OLT发送上行数据突发。 该系统调整数据脉冲串的位数,而不影响数据脉冲串中承载的有效载荷数据,从而允许数据脉冲串适配于上游传输窗口内,并补偿本地时钟与OLT时钟之间的频率差异。 系统根据上行传输窗口中的本地时钟传输数据脉冲串。