利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

18 条记录 (耗时 0.021 秒)

    Method of providing restoration routes in a mesh network
    1.
    发明授权
    Method of providing restoration routes in a mesh network 有权
    在网状网络中提供恢复路由的方法

    公开(公告)号：US06856592B2

    公开(公告)日：2005-02-15

    申请号：US09808173

    申请日：2001-03-15

    申请人： Wayne D. Grover ,  John Doucette ,  Thuthuy Bach

    发明人： Wayne D. Grover ,  John Doucette ,  Thuthuy Bach

    IPC分类号： H04J14/02 ,  H04L1/22 ,  H04L12/24 ,  G01R31/08 ,  H04J3/16 ,  H04L12/28

    CPC分类号： H04J14/0284 ,  H04J14/0227 ,  H04J14/0241 ,  H04L1/22 ,  H04L41/0663

    摘要： A method of providing restoration routes for protecting traffic in a mesh network is described. The method comprises the steps of generating a set of eligible restoration routes for each span in the network, establishing a bi-criteria objective function in terms of route length and capacity cost for selecting a set of restoration routes, and selecting a set of restoration routes for each span from the eligible restoration routes in dependence upon the bi-criteria objective function. Embodiments of the invention may be useful for shortening the lengths, in terms of hops, of existing restoration routes in a mesh-restorable network and in some cases with negligible spare capacity penalty.

    摘要翻译： 描述了一种提供用于保护网状网络中的流量的恢复路由的方法。 该方法包括以下步骤：为网络中的每个跨度生成一组符合条件的恢复路由，根据路由长度和容量成本建立双准则目标函数，以选择一组恢复路由，并选择一组恢复路由 根据双重标准目标函数，从符合条件的恢复路线的每个跨度。 本发明的实施例可以用于缩短在网状可恢复网络中的现有恢复路由的跳数长度，并且在某些情况下可以忽略剩余容量损失。

    Design of a meta-mesh of chain sub-networks
    3.
    发明授权
    Design of a meta-mesh of chain sub-networks 有权
    链子网络的元网格设计

    公开(公告)号：US07719962B2

    公开(公告)日：2010-05-18

    申请号：US10000715

    申请日：2001-10-19

    申请人： Wayne D. Grover ,  John Doucette

    发明人： Wayne D. Grover ,  John Doucette

    IPC分类号： H04L12/26

    CPC分类号： H04J14/0227 ,  H04J14/0206 ,  H04J14/0213 ,  H04J14/0217 ,  H04J14/0241 ,  H04J14/0284 ,  H04J14/0291 ,  H04J14/0294 ,  H04J14/0295 ,  H04L45/04 ,  H04Q11/0062 ,  H04Q2011/0081 ,  H04Q2011/0098

    摘要： A method to increase the capacity efficiency of span-restorable mesh networking on sparse facility graphs. The new approach views the network as a “meta-mesh of chain sub-networks”. This makes the prospect of WDM mesh networking more economically viable than with previous mesh-based design where the average nodal degree is low. The meta-mesh graph is a homeomorphism of the complete network in which edges are either direct spans or chains of degree-2 nodes. The main advantage is that loop-back type spare capacity is provided only for the working demands that originate or terminate in a chain, not for the entire flow that crosses chains. The latter “express” flows are entirely mesh-protected within the meta-mesh graph which is of higher average degree and hence efficiency for mesh restoration, than the network as a whole. Nodal equipment savings also arise from the grooming of express lightpaths onto the logical chain-bypass span. Only the meta-mesh nodes need optical cross-connect functionality. Other sites use OADMs and/or glassthroughs. The resultant designs comprise a special class of restorable network that is intermediate between pure span restoration and path restoration. Most of the efficiency of path restoration is achieved, but with a span restoration mechanism which is more localized and potentially faster and simpler than path restoration. The concept lends itself to implementation with OADMs having a passive waveband pass-through feature to support the logical chain bypass spans for express lightpaths.

    摘要翻译： 一种在稀疏设施图上提高跨度可恢复网状网络的容量效率的方法。 新方法将网络视为“链子网络的元网格”。 这使得WDM网状网络的前景比以往的平均节点度低的基于网格的设计更经济可行。 元网格图是完整网络的同构，其中边缘是二阶节点的直接跨度或链。 主要的优点是环回型备用容量仅用于起始或终止于链中的工作要求，而不是跨越链的整个流程。 后者的“表达”流在元网格图中完全网格保护，该网格图具有比网络作为整体更高的平均度，因此网格恢复的效率。 节能设备的节省也源自于将明快的光线融入逻辑链 - 旁路跨度。 只有元网格节点需要光交叉连接功能。 其他网站使用OADM和/或glassthroughs。 所得到的设计包括一个特殊类别的可恢复网络，其在纯跨度恢复和路径恢复之间。 实现路径恢复的大部分效率，但是具有比路径恢复更局部化并且可能更快和更简单的跨度恢复机制。 该概念适用于具有无源波段直通特征的OADM的实现，以支持用于快速光路的逻辑链路旁路跨度。

    Topological design of survivable mesh-based transport networks
    4.
    发明授权
    Topological design of survivable mesh-based transport networks 失效

    公开(公告)号：US07075892B2

    公开(公告)日：2006-07-11

    申请号：US10016272

    申请日：2001-11-02

    申请人： Wayne D. Grover ,  John Doucette

    发明人： Wayne D. Grover ,  John Doucette

    IPC分类号： H04L12/28

    CPC分类号： H04L45/00 ,  H04L45/121 ,  H04L45/122 ,  H04L45/22 ,  H04L45/28 ,  H04L45/62

    摘要： A method of designing a telecommunications network, the method comprising the steps of A) for all working demand flows required to be routed in the telecommunications network, finding an initial topology of spans between nodes in the telecommunications network that is sufficient for routing all working demand flows, while attempting to minimize the cost of providing the spans; B) given the initial topology of spans identified in step A, finding a set of additional spans that ensures restorability of working demand flows that are required to be restored in case of failure of any span in the initial topology of spans, while attempting to minimize the cost of providing additional spans; and C) starting with the initial topology of spans and the additional spans identified in step B, finding a final topology of spans between nodes in the telecommunications network that attempts to minimize the total cost of the final topology of spans, while routing all working demand flows and ensuring restorability of working demand flows required to be restored in case of failure of any span in the final topology of spans. A network so designed may be implemented in whole or in part.

    Communications switching architecture
    6.
    发明授权
    Communications switching architecture 有权
    通信交换架构

    公开(公告)号：US08223801B2

    公开(公告)日：2012-07-17

    申请号：US12477507

    申请日：2009-06-03

    申请人： Paul Miller, Jr. ,  Geoffrey Devine ,  Patrick Quigley ,  Jeffrey J. Fitzgerald ,  Daniel W. English ,  John Doucette

    发明人： Paul Miller, Jr. ,  Geoffrey Devine ,  Patrick Quigley ,  Jeffrey J. Fitzgerald ,  Daniel W. English ,  John Doucette

    IPC分类号： H04J1/02 ,  H04J3/02 ,  H04L12/50

    CPC分类号： H04J3/16 ,  H04L12/6418 ,  H04L2012/6459 ,  H04L2012/6475 ,  H04L2012/6489 ,  H04M7/0003 ,  H04M7/0075 ,  H04M7/0078 ,  H04M7/1215 ,  H04M7/128

    摘要： Presently described is a system and method for switching multimedia data communications, including but not limited to Voice over IP (VoIP) telephony, cable TV, digital audio and video. The system utilizes a single, integrated device to provide all PacketCable-compliant functionality, including enhanced user privacy, compliance with CALEA, E911 and other mandated services not available in conventional distributed PacketCable systems. High speed and efficient, low cost operation are provided by means of an optimized data unit encapsulation scheme for internal switching and routing. A proprietary fiber optic backplane and removable optical connectors are used to enable lightspeed internal communications hot-swapping of components. Furthermore, the present system is extensible to all forms of digital data switching and is secure, resistant to Denial of Service attacks, and fault-resilient.

    摘要翻译： 目前描述的是用于切换多媒体数据通信的系统和方法，包括但不限于IP语音（VoIP）电话，有线电视，数字音频和视频。 该系统利用单一的集成设备提供所有符合PacketCable的功能，包括增强的用户隐私，符合CALEA，E911以及传统分布式PacketCable系统中不可用的其他强制性服务。 通过优化的数据单元封装方案提供高速高效，低成本的操作，用于内部交换和路由。 专有的光纤背板和可移动光纤连接器用于实现光速内部通信热插拔组件。 此外，本系统可扩展到所有形式的数字数据交换，并且是安全的，抵御拒绝服务攻击和故障恢复能力。

    In-band control mechanism for switching architecture
    7.
    发明授权
    In-band control mechanism for switching architecture 有权
    交换架构的带内控制机制

    公开(公告)号：US07545801B2

    公开(公告)日：2009-06-09

    申请号：US10726000

    申请日：2003-12-01

    申请人： Paul Miller, Jr. ,  Daniel W. English ,  John Doucette ,  Hicham Saab

    发明人： Paul Miller, Jr. ,  Daniel W. English ,  John Doucette ,  Hicham Saab

    IPC分类号： H04L12/66 ,  H04L12/28

    CPC分类号： H04L12/64

    摘要： Systems for in-band control that establish relationships between incoming data and one or more destinations to which the data is to be transmitted. In the in-band control embodiments described herein, a connection is established between two ends of a circuit by provisioning at one end of the circuit. A circuit connection table is kept at both ends of the circuit. This table contains the new and existing circuit connection information. A software process writes to the connection table at the local end of the circuit with the address information of the remote end of the circuit. The circuit connection information is to be periodically sent to the remote end to establish or tear down new connections.

    摘要翻译： 用于带内控制的系统，用于建立传入数据与要发送数据的一个或多个目的地之间的关系。 在这里描述的带内控制实施例中，通过在电路的一端进行供电来在电路的两端之间建立连接。 电路连接台保持在电路的两端。 该表包含新的和现有的电路连接信息。 软件进程使用电路远端的地址信息写入电路本端的连接表。 将电路连接信息定期发送到远程端，以建立或拆除新的连接。

    Switching architecture with packet encapsulation
    8.
    发明授权
    Switching architecture with packet encapsulation 有权
    具有封包封装的交换架构

    公开(公告)号：US07505456B2

    公开(公告)日：2009-03-17

    申请号：US10430200

    申请日：2003-05-05

    申请人： Daniel W. English ,  John Doucette ,  Paul Miller ,  Hicham Saab

    发明人： Daniel W. English ,  John Doucette ,  Paul Miller ,  Hicham Saab

    IPC分类号： H04L12/66 ,  H04L12/56

    CPC分类号： H04J3/16 ,  H04L12/6418 ,  H04L2012/6459 ,  H04L2012/6475 ,  H04L2012/6489 ,  H04M7/0003 ,  H04M7/0075 ,  H04M7/0078 ,  H04M7/1215 ,  H04M7/128

    摘要： The invention includes, among other things, a system for passing TDM traffic through a packet switch. In one embodiment, the system includes a packet switch that has a plurality of data ports and is capable of routing FSDU packets between the plurality of data ports. A TDM encapsulation circuit process a TDM data flow that is incoming to the switch. A circuit demultiplexer processes the incoming data flow to buffer data associated with different TDM circuits into different buffer locations. A timer monitors the amount of time available to fill the FSDU, and when the time period reaches the frame boundary, an FSDU generator generates an FSDU that is filled with data associated with the TDM circuits. Header information is added for allowing the packet switch to route the generated FSDU to a port associated with the respective TDM circuit.

    摘要翻译： 本发明尤其包括用于通过分组交换机传递TDM业务的系统。 在一个实施例中，系统包括具有多个数据端口并且能够在多个数据端口之间路由FSDU分组的分组交换机。 TDM封装电路处理进入交换机的TDM数据流。 电路解复用器处理进入的数据流，将与不同TDM电路相关联的数据缓冲到不同的缓冲器位置。 定时器监视可用于填充FSDU的时间量，并且当该时间段到达帧边界时，FSDU生成器生成填充有与TDM电路相关联的数据的FSDU。 添加标题信息以允许分组交换路由生成的FSDU到与相应TDM电路相关联的端口。

    COMMUNICATIONS SWITCHING ARCHITECTURE
    9.
    发明申请
    COMMUNICATIONS SWITCHING ARCHITECTURE 有权
    通信交换架构

    公开(公告)号：US20100118877A1

    公开(公告)日：2010-05-13

    申请号：US12477507

    申请日：2009-06-03

    申请人： Geoffrey Devine ,  Patrick Quigley ,  Jeffrey J. Fitzgerald ,  Daniel W. English ,  John Doucette ,  Paul Miller

    发明人： Geoffrey Devine ,  Patrick Quigley ,  Jeffrey J. Fitzgerald ,  Daniel W. English ,  John Doucette ,  Paul Miller

    IPC分类号： H04L12/56 ,  H04J3/24 ,  H04N7/173 ,  G10L21/00

    CPC分类号： H04J3/16 ,  H04L12/6418 ,  H04L2012/6459 ,  H04L2012/6475 ,  H04L2012/6489 ,  H04M7/0003 ,  H04M7/0075 ,  H04M7/0078 ,  H04M7/1215 ,  H04M7/128

    摘要： Presently described is a system and method for switching multimedia data communications, including but not limited to Voice over IP (VoIP) telephony, cable TV, digital audio and video. The system utilizes a single, integrated device to provide all PacketCable-compliant functionality, including enhanced user privacy, compliance with CALEA, E911 and other mandated services not available in conventional distributed PacketCable systems. High speed and efficient, low cost operation are provided by means of an optimized data unit encapsulation scheme for internal switching and routing. A proprietary fiber optic backplane and removable optical connectors are used to enable lightspeed internal communications hot-swapping of components. Furthermore, the present system is extensible to all forms of digital data switching and is secure, resistant to Denial of Service attacks, and fault-resilient.

    摘要翻译： 目前描述的是用于切换多媒体数据通信的系统和方法，包括但不限于IP语音（VoIP）电话，有线电视，数字音频和视频。 该系统利用单一的集成设备提供所有符合PacketCable的功能，包括增强的用户隐私，符合CALEA，E911以及传统分布式PacketCable系统中不可用的其他强制性服务。 通过优化的数据单元封装方案提供高速高效，低成本的操作，用于内部交换和路由。 专有的光纤背板和可移动光纤连接器用于实现光速内部通信热插拔组件。 此外，本系统可扩展到所有形式的数字数据交换，并且是安全的，抵御拒绝服务攻击和故障恢复能力。

    Combined synchronous and asynchronous message transmission
    10.
    发明授权
    Combined synchronous and asynchronous message transmission 有权

    公开(公告)号：US6108346A

    公开(公告)日：2000-08-22

    申请号：US268099

    申请日：1999-03-13

    申请人： John Doucette ,  Thomas J. Bryden ,  Todd Byron

    发明人： John Doucette ,  Thomas J. Bryden ,  Todd Byron

    IPC分类号： H04L12/433 ,  H04L12/403

    CPC分类号： H04L12/433

    摘要： A communication system including a collection of modules coupled in a ring architecture which integrates synchronous and asynchronous message transmission. Asynchronous data packets and synchronous voice packets are exchange on a single communication link. Packetized information exchange references a fixed length window with all synchronous data being exchanged at the beginning of each window and with asynchronous data exchanged during the remaining portion of each window. Virtual circuits utilizing the synchronous packets can deliver telephone conversations without degradation in voice quality and yet the system can also transmit asynchronous data packets.