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    System and method for managing holdover
    1.
    发明授权
    System and method for managing holdover 有权

    公开(公告)号：US09843439B2

    公开(公告)日：2017-12-12

    申请号：US15007967

    申请日：2016-01-27

    Applicant: Daniel Rivaud ,  Kevin Estabrooks ,  Bashar Abdullah

    Inventor： Daniel Rivaud ,  Kevin Estabrooks ,  Bashar Abdullah

    IPC: H04L7/033 ,  H04B15/06 ,  H04L12/24 ,  H04L1/00 ,  H04L29/02

    CPC classification number: H04L7/033 ,  H03L7/08 ,  H04B15/06 ,  H04L1/0082 ,  H04L29/02 ,  H04L41/06 ,  H04M2250/10

    Abstract: A system for managing holdover. The system may include a local oscillator device. The system may include a phase locked loop (PLL) device coupled to the local oscillator device and a reference clock source. The PLL device may obtain a reference clock signal from the reference clock source to produce an extracted clock signal. The system may include a drift monitoring device coupled to the local oscillator device and the PLL device. The drift monitoring device may determine an amount of oscillator drift within the local oscillator device using the extracted clock signal and an oscillator signal from the local oscillator device. The system may include a drift compensation device coupled to the drift monitoring device and the PLL device. The drift compensation device may transmit a drift compensation signal to the PLL device based on the amount of oscillator drift.

    E-SPRING SUPPORT OF ETHERNET PROTECTION
    2.
    发明申请
    E-SPRING SUPPORT OF ETHERNET PROTECTION 有权
    E-SPRING支持以太网保护

    公开(公告)号：US20150280938A1

    公开(公告)日：2015-10-01

    申请号：US14719461

    申请日：2015-05-22

    Applicant: Marc HOLNESS ,  Bashar ABDULLAH

    Inventor： Marc HOLNESS ,  Bashar ABDULLAH

    IPC: H04L12/437 ,  H04L12/933 ,  H04L12/761

    CPC classification number: H04L12/437 ,  H04L12/42 ,  H04L12/462 ,  H04L45/00 ,  H04L45/16 ,  H04L49/102

    Abstract: A method of routing traffic through a packet network having a mesh physical topology. At least two types of network primitive are defined, each type of network primitive providing a respective model of traffic forwarding through at least two neighbour nodes of the network. A network model encompassing at least a portion of the network is constructed using a set of two or more interconnected network primitives. The network model has nodes and links corresponding to respective nodes and lines of the network. Respective forwarding information is computed for each node of the network model. For each node of the network model, the respective computed forwarding information is installed in a forwarding database of the corresponding node of the network, such that traffic is forwarded by each node of the network in accordance with the respective computed forwarding information.

    Abstract translation: 一种通过具有网格物理拓扑的分组网络路由流量的方法。 定义了至少两种类型的网络原语，每种类型的网络原语通过网络的至少两个相邻节点提供相应的流量转发模型。 包含网络的至少一部分的网络模型使用一组两个或更多个互连网络基元来构建。 网络模型具有对应于网络的相应节点和线路的节点和链路。 针对网络模型的每个节点计算相应的转发信息。 对于网络模型的每个节点，相应的计算出的转发信息被安装在网络的对应节点的转发数据库中，使得根据相应的计算的转发信息，由网络的每个节点转发流量。

    E-SPRING SUPPORT OF ETHERNET PROTECTION
    5.
    发明申请
    E-SPRING SUPPORT OF ETHERNET PROTECTION 有权
    E-SPRING支持以太网保护

    公开(公告)号：US20120033666A1

    公开(公告)日：2012-02-09

    申请号：US13264764

    申请日：2009-05-01

    Applicant: Marc Holness ,  Bashar Abdullah

    Inventor： Marc Holness ,  Bashar Abdullah

    IPC: H04L12/56

    CPC classification number: H04L12/437 ,  H04L12/42 ,  H04L12/462 ,  H04L45/00 ,  H04L45/16 ,  H04L49/102

    Abstract: A method of routing traffic through a packet network having a mesh physical topography. At least two types of network primitive are defined, each type of network primitive providing a respective model of traffic forwarding through at least two neighbour nodes of the network. A network model encompassing at least a portion of the network is constructed using a set of two or more interconnected network primitives. The network model has nodes and links corresponding to respective nodes and lines of the network. Respective forwarding information is computed for each node of the network model. For each node of the network model, the respective computed forwarding information is installed in a forwarding database of the corresponding node of the network, such that traffic is forwarded by each node of the network in accordance with the respective computed forwarding information.

    Abstract translation: 一种通过具有网格物理地形的分组网络路由业务的方法。 定义了至少两种类型的网络原语，每种类型的网络原语通过网络的至少两个相邻节点提供相应的流量转发模型。 包含网络的至少一部分的网络模型使用一组两个或更多个互连网络基元来构建。 网络模型具有对应于网络的相应节点和线路的节点和链路。 针对网络模型的每个节点计算相应的转发信息。 对于网络模型的每个节点，相应的计算出的转发信息被安装在网络的对应节点的转发数据库中，使得根据相应的计算的转发信息，由网络的每个节点转发流量。

    Ethernet to frame relay interworking with multiple quality of service levels
    6.
    发明授权
    Ethernet to frame relay interworking with multiple quality of service levels 有权
    以太网将多个服务质量水平的中继互通互通

    公开(公告)号：US07565436B2

    公开(公告)日：2009-07-21

    申请号：US10744000

    申请日：2003-12-24

    Applicant: Sameh Rabie ,  Richard Pommainville ,  John Whatman ,  Bashar Abdullah ,  John Rosser Davies ,  Baghdad Barka

    Inventor： Sameh Rabie ,  Richard Pommainville ,  John Whatman ,  Bashar Abdullah ,  John Rosser Davies ,  Baghdad Barka

    IPC: G06F15/16

    CPC classification number: H04L12/4641

    Abstract: A method of supporting multiple quality of service (QoS) levels for data being transmitted between two networking devices, such as customer equipment (CE), that use Ethernet and Frame Relay (FR). The method supports multiple QoS services in a network where a first CE is connected to a first edge device (interworking unit) using the Ethernet protocol and a second CE is connected to a second edge device using the FR protocol. The edge devices may be directly connected together or they may be connected through a network backbone using any generally accepted network protocol. The first CE may be connected to the first edge device using a single Ethernet port, multiple Ethernet ports, a single virtual local area network (VLAN), or multiple VLAN's. The second CE is connected to an edge device using a single data link connection (DLC), or multiple DLC's. The method ensures QoS for data transmitted between the first and the second CE via the Ethernet protocol to the FR protocol and vice versa.

    Abstract translation: 支持使用以太网和帧中继（FR）的两个网络设备（例如客户设备（CE））之间传输的数据的多个服务质量（QoS）级别的方法。 该方法支持使用以太网协议将第一CE连接到第一边缘设备（互通单元）的网络中的多个QoS服务，并且使用FR协议将第二CE连接到第二边缘设备。 边缘设备可以直接连接在一起，或者它们可以使用任何普遍接受的网络协议通过网络主干连接。 第一个CE可以使用单个以太网端口，多个以太网端口，单个虚拟局域网（VLAN）或多个VLAN连接到第一个边缘设备。 第二个CE使用单个数据链路连接（DLC）或多个DLC连接到边缘设备。 该方法通过以太网协议向FR协议确保在第一和第二CE之间传输的数据的QoS，反之亦然。

    Method and system for frame relay and Ethernet service interworking
    7.
    发明申请
    Method and system for frame relay and Ethernet service interworking 失效
    帧中继和以太网业务互通的方法和系统

    公开(公告)号：US20050157750A1

    公开(公告)日：2005-07-21

    申请号：US10990899

    申请日：2004-11-17

    Applicant: Sameh Rabie ,  Osama Magd ,  Bashar Abdullah ,  Baghdad Barka

    Inventor： Sameh Rabie ,  Osama Magd ,  Bashar Abdullah ,  Baghdad Barka

    IPC: H04L12/28

    CPC classification number: H04L12/28

    Abstract: A method and system for interworking between an Ethernet communication network and a frame relay network, in which a first network interface is operable to communicate with the Ethernet communication network using an Ethernet communication protocol. A second network interface is operable to communicate with the frame relay communication network using a frame relay protocol. A processing unit is in communication with the first network interface and the second network interface, in which the processing unit terminates frames received from a one of the frame relay communication network and the Ethernet communication network and maps parameters corresponding to the received one of the frame relay and Ethernet frames into the other of the frame relay and Ethernet frames. The mapped parameters include circuit configuration control plane information and data plane parameters corresponding to individual frames.

    Abstract translation: 一种用于在以太网通信网络和帧中继网络之间进行互通的方法和系统，其中第一网络接口可操作以使用以太网通信协议与以太网通信网络进行通信。 第二网络接口可操作以使用帧中继协议与帧中继通信网络进行通信。 处理单元与第一网络接口和第二网络接口通信，其中处理单元终止从帧中继通信网络和以太网通信网络中的一个接收的帧，并且映射与所接收到的帧中的一个相对应的参数 中继和以太网帧到帧中继和以太网帧中的另一个。 映射参数包括电路配置控制平面信息和对应于各个帧的数据平面参数。

    E-spring support of Ethernet protection
    8.
    发明授权
    E-spring support of Ethernet protection 有权
    E弹簧支持以太网保护

    公开(公告)号：US09042395B2

    公开(公告)日：2015-05-26

    申请号：US13264764

    申请日：2009-05-01

    Applicant: Marc Holness ,  Bashar Abdullah

    Inventor： Marc Holness ,  Bashar Abdullah

    IPC: H04L12/437 ,  H04L12/701 ,  H04L12/42 ,  H04L12/46 ,  H04L12/761

    CPC classification number: H04L12/437 ,  H04L12/42 ,  H04L12/462 ,  H04L45/00 ,  H04L45/16 ,  H04L49/102

    Abstract: A method of routing traffic through a packet network having a mesh physical topography. At least two types of network primitive are defined, each type of network primitive providing a respective model of traffic forwarding through at least two neighbor nodes of the network. A network model encompassing at least a portion of the network is constructed using a set of two or more interconnected network primitives. The network model has nodes and links corresponding to respective nodes and lines of the network. Respective forwarding information is computed for each node of the network model. For each node of the network model, the respective computed forwarding information is installed in a forwarding database of the corresponding node of the network, such that traffic is forwarded by each node of the network in accordance with the respective computed forwarding information.

    Abstract translation: 一种通过具有网格物理地形的分组网络路由业务的方法。 定义了至少两种类型的网络原语，每种类型的网络原语通过网络的至少两个相邻节点提供相应的流量转发模型。 包含网络的至少一部分的网络模型使用一组两个或更多个互连网络基元来构建。 网络模型具有对应于网络的相应节点和线路的节点和链路。 针对网络模型的每个节点计算相应的转发信息。 对于网络模型的每个节点，相应的计算出的转发信息被安装在网络的相应节点的转发数据库中，使得根据相应的计算的转发信息，网络的每个节点转发流量。

    Linear route protection
    9.
    发明授权
    Linear route protection 有权
    线路保护

    公开(公告)号：US08787398B2

    公开(公告)日：2014-07-22

    申请号：US13388780

    申请日：2009-07-31

    Applicant: Marc Holness ,  Bashar Abdullah ,  Marc-Andre Rochon ,  Simon Parry ,  Chris Ramsden

    Inventor： Marc Holness ,  Bashar Abdullah ,  Marc-Andre Rochon ,  Simon Parry ,  Chris Ramsden

    IPC: H04L12/28

    CPC classification number: H04L12/437 ,  H04L45/28 ,  H04L45/50

    Abstract: A system for controlling packet forwarding through a point-to-point (p2p) connection between first and second end nodes of a packet network domain having a mesh topology. The system comprises a sub-ring network instantiated in the network domain, the sub-ring network comprising a pair of topologically diverse ring spans extending between the first and second end nodes. Each of the end nodes is controlled to forward packets of the p2p connection through the sub-ring network in accordance with a ring network routing scheme, and an intermediate node traversed by one of the ring spans is controlled to forward packets of the p2p connection through the ring span in accordance with a linear path routing scheme.

    Abstract translation: 一种用于通过具有网状拓扑的分组网络域的第一和第二端节点之间的点对点（p2p）连接来控制分组转发的系统。 该系统包括在网络域中实例化的子环网络，子环网络包括在第一和第二端节点之间延伸的一对拓扑不同的环跨。 根据环网路由方案，对每个终端节点进行控制，通过子环网转发p2p连接的数据包，并控制由其中一个环网跨越的中间节点转发p2p连接的数据包 环形根据线性路径路由方案。

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