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1.发明授权公开(公告)号：US07720076B2
公开(公告)日：2010-05-18
申请号：US10791655
申请日：2004-03-01
申请人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
发明人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
IPC分类号： H04L12/28
CPC分类号： H04L45/04 , H04L12/18 , H04L12/1877 , H04L12/1886 , H04L12/46 , H04L12/4641 , H04L12/467 , H04L41/0213 , H04L45/16 , H04L45/24 , H04L45/34 , H04L49/201 , H04L49/351 , H04L49/354 , H04L2212/00
摘要： Method and apparatus providing connection-oriented services for packet switched data communications networks. Directory services include distributed discovery of MAC addresses and protocol alias addresses. Topology services include a link state topology exchange among switches, which provides each switch with a complete topology graph of the network. This enables an access switch receiving a data packet to determine a complete path from a source end system to a destination end system. Another service includes resolution of broadcast frames to unicast frames, in order to reduce the amount of broadcast traffic. Policy restrictions may be applied prior to connection setup. Path determination services enable multiple paths from a source to a destination. Connection management includes source routed mapping of connections on the desired path. A distributed call rerouting service is provided wherein if a link on an active path fails, each switch receives a topology change notification and unmaps any connection involving the failed link. A broadcast/unknown service provides restricted flooding of nonresolvable packets. Furthermore, connection-oriented switching is provided based on the source and destination MAC addresses as a connection identifier. Still further, resolution of networks outside the switch domain is enabled by access switches listening for network and server route advertisements and maintaining best routes to said networks and servers. The best route metrics may be combined with best path metrics to determine a path from a first access switch to an egress switch connected to the external network.
摘要翻译： 为分组交换数据通信网络提供面向连接的服务的方法和装置。 目录服务包括MAC地址和协议别名地址的分布式发现。 拓扑服务包括交换机之间的链路状态拓扑交换，为每个交换机提供网络的完整拓扑图。 这使得接收数据分组的接入交换机能够确定从源端系统到目的端系统的完整路径。 另一种服务包括将广播帧分解成单播帧，以便减少广播流量。 在连接设置之前可能会应用策略限制。 路径确定服务启用从源到目的地的多条路径。 连接管理包括在所需路径上的连接的源路由映射。 提供了一种分布式呼叫路由服务，其中如果活动路径上的链路发生故障，则每个交换机接收拓扑变化通知并解除涉及故障链路的任何连接。 广播/未知服务提供不可解析包的受限洪泛。 此外，基于源和目的地MAC地址作为连接标识符提供面向连接的交换。 此外，交换机域外的网络的分辨率由接入交换机监听网络和服务器路由通告以及维护到所述网络和服务器的最佳路由来实现。 最佳路由度量可以与最佳路径度量相结合以确定从第一接入交换机到连接到外部网络的出口交换机的路径。
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公开(公告)号：US5751971A
公开(公告)日：1998-05-12
申请号：US501324
申请日：1995-07-12
CPC分类号： H04L29/06 , H04L12/46 , H04L12/4625 , H04L29/12009 , H04L29/12292 , H04L29/1233 , H04L29/12952 , H04L61/2069 , H04L61/25 , H04L61/6077 , H04L63/0236 , H04L69/16 , H04L69/161 , H04L69/165
摘要： Apparatus and method wherein multiple router interfaces are assigned the same IP network address, creating an IP work group. This enhances host mobility by allowing, in one embodiment, a host to be relocated anywhere in the work group without requiring reconfiguration of the host. As a further option, host address ranges may be specified (i.e., locked) to designated interfaces of the work group, to enhance security by restricting the allowed host mobility within the work group. An additional advantage is a reduced consumption of network and subnet addresses, because now a single address is used for several physical networks.
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公开(公告)号：US07370364B2
公开(公告)日：2008-05-06
申请号：US09918972
申请日：2001-07-31
申请人： Kurt A. Dobbins , Jason P. Poirier , Wouter Johan Weiss , Andre C. Boutin , Justin William Haddad , Stephen G. Delahunty , David L. Cullerot , Mark Thomas Sexton , Adam Michael Lederman , Christopher Lawrence Cheetham , David Ruffen
发明人： Kurt A. Dobbins , Jason P. Poirier , Wouter Johan Weiss , Andre C. Boutin , Justin William Haddad , Stephen G. Delahunty , David L. Cullerot , Mark Thomas Sexton , Adam Michael Lederman , Christopher Lawrence Cheetham , David Ruffen
CPC分类号： H04L63/102 , G06Q30/0277 , G06Q40/12 , H04L67/02
摘要： Content resources are managed. A request is received from a user for access to a source of content resources. It is determined that the user is authorized for access to the source. A portal Web page is generated based on a set of content element data applicable to the subscriber. The portal Web page is returned to the user. A system for use in managing content resources has a switch for receiving requests from Web browsers, a content resource management engine in communication with the switch, and a billing system in communication with the content resource management engine.
摘要翻译： 管理内容资源。 从用户接收到访问内容资源的请求。 确定用户被授权访问源。 基于适用于订户的一组内容元素数据生成门户网站页面。 门户网站页面返回给用户。 用于管理内容资源的系统具有用于从Web浏览器接收请求的切换，与交换机通信的内容资源管理引擎，以及与内容资源管理引擎通信的计费系统。
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4.发明授权Distributed connection-oriented services for switched communications networks 失效用于交换通信网络的分布式面向连接的服务
公开(公告)号：US5825772A
公开(公告)日：1998-10-20
申请号：US626596
申请日：1996-04-02
申请人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
发明人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
CPC分类号： H04L45/04 , H04L12/1886 , H04L12/46 , H04L12/4641 , H04L12/467 , H04L41/0213 , H04L45/16 , H04L45/24 , H04L45/34 , H04L49/201 , H04L49/354 , H04L12/18 , H04L12/1877 , H04L2212/00 , H04L49/351
摘要： Method and apparatus providing connection-oriented services for packet switched data communications networks. Directory services include distributed discovery of MAC addresses and protocol alias addresses. Topology services include a link state topology exchange among switches, which provides each switch with a complete topology graph of the network. This enables an access switch receiving a data packet to determine a complete path from a source end system to a destination end system. Another service includes resolution of broadcast frames to unicast frames, in order to reduce the amount of broadcast traffic. Policy restrictions may be applied prior to connection setup. Path determination services enable multiple paths from a source to a destination. Connection management includes source routed mapping of connections on the desired path. A distributed call rerouting service is provided wherein if a link on an active path fails, each switch receives a topology change notification and unmaps any connection involving the failed link. A broadcast/unknown service provides restricted flooding of nonresolvable packets. Furthermore, connection-oriented switching is provided based on the source and destination MAC addresses as a connection identifier. Still further, resolution of networks outside the switch domain is enabled by access switches listening for network and server route advertisements and maintaining best routes to said networks and servers. The best route metrics may be combined with best path metrics to determine a path from a first access switch to an egress switch connected to the external network.
摘要翻译： 为分组交换数据通信网络提供面向连接的服务的方法和装置。 目录服务包括MAC地址和协议别名地址的分布式发现。 拓扑服务包括交换机之间的链路状态拓扑交换，为每个交换机提供网络的完整拓扑图。 这使得接收数据分组的接入交换机能够确定从源端系统到目的端系统的完整路径。 另一种服务包括将广播帧分解成单播帧，以便减少广播流量。 在连接设置之前可能会应用策略限制。 路径确定服务启用从源到目的地的多条路径。 连接管理包括在所需路径上的连接的源路由映射。 提供了一种分布式呼叫路由服务，其中如果活动路径上的链路发生故障，则每个交换机接收拓扑变化通知并解除涉及故障链路的任何连接。 广播/未知服务提供不可解析包的受限洪泛。 此外，基于源和目的地MAC地址作为连接标识符提供面向连接的交换。 此外，交换机域外的网络的分辨率由接入交换机监听网络和服务器路由通告以及维护到所述网络和服务器的最佳路由来实现。 最佳路由度量可以与最佳路径度量相结合以确定从第一接入交换机到连接到外部网络的出口交换机的路径。
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5.发明授权公开(公告)号：US08462794B2
公开(公告)日：2013-06-11
申请号：US12729986
申请日：2010-03-23
申请人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
发明人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
IPC分类号： H04L12/56
CPC分类号： H04L45/04 , H04L12/18 , H04L12/1877 , H04L12/1886 , H04L12/46 , H04L12/4641 , H04L12/467 , H04L41/0213 , H04L45/16 , H04L45/24 , H04L45/34 , H04L49/201 , H04L49/351 , H04L49/354 , H04L2212/00
摘要： Connection-oriented services for packet switched data communications networks are provided, including distributed MAC and protocol alias addresses discovery. Link state topology exchanges provide each switch with network topology graphs to determine paths from source to destination end systems. Broadcast frames are resolved to unicast frames to reduce broadcast traffic. Policy restrictions may be applied prior to connection setup. Connection management includes source-routed mapping of connections on the desired path. Distributed call rerouting is provided so switches receive topology change notifications and unmap failed link connections. Broadcast/unknown services provide non-resolvable packet restricted flooding. Connection-oriented switching is provided based on source and destination MAC addresses. Resolution of networks outside the switch domain is enabled by listening for network and server route advertisements and maintaining best routes to the networks and servers. Route and path metrics may be combined to determine paths from access switches to egress switches connected to the external network.
摘要翻译： 提供了用于分组交换数据通信网络的面向连接的服务，包括分布式MAC和协议别名地址发现。 链路状态拓扑交换为每个交换机提供网络拓扑图，以确定从源到目的端系统的路径。 广播帧被解析为单播帧以减少广播流量。 在连接设置之前可能会应用策略限制。 连接管理包括所需路径上的连接的源路由映射。 提供分布式呼叫重新路由，因此交换机接收拓扑更改通知并取消映射失败的链路连接。 广播/未知业务提供不可解析分组限制洪泛。 基于源和目的MAC地址提供面向连接的交换。 通过监听网络和服务器路由通告并维护到网络和服务器的最佳路由，可以实现对交换机域外网络的解析。 可以组合路由和路径度量以确定从接入交换机到连接到外部网络的出口交换机的路径。
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公开(公告)号：US07990981B2
公开(公告)日：2011-08-02
申请号：US12729740
申请日：2010-03-23
申请人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
发明人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
IPC分类号： H04L12/28
摘要： Connection-oriented services for packet switched data communications networks are provided, including distributed MAC and protocol alias addresses discovery. Link state topology exchanges provide each switch with network topology graphs to determine paths from source to destination end systems. Broadcast frames are resolved to unicast frames to reduce broadcast traffic. Policy restrictions may be applied prior to connection setup. Connection management includes source-routed mapping of connections on the desired path. Distributed call rerouting is provided so switches receive topology change notifications and unmap failed link connections. Broadcast/unknown services provide non-resolvable packet restricted flooding. Connection-oriented switching is provided based on source and destination MAC addresses. Resolution of networks outside the switch domain is enabled by listening for network and server route advertisements and maintaining best routes to the networks and servers. Route and path metrics may be combined to determine paths from access switches to egress switches connected to the external network.
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7.发明申请公开(公告)号：US20100177778A1
公开(公告)日：2010-07-15
申请号：US12729986
申请日：2010-03-23
申请人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
发明人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
IPC分类号： H04L12/28
CPC分类号： H04L45/04 , H04L12/18 , H04L12/1877 , H04L12/1886 , H04L12/46 , H04L12/4641 , H04L12/467 , H04L41/0213 , H04L45/16 , H04L45/24 , H04L45/34 , H04L49/201 , H04L49/351 , H04L49/354 , H04L2212/00
摘要： Method and apparatus providing connection-oriented services for packet switched data communications networks. Directory services include distributed discovery of MAC addresses and protocol alias addresses. Topology services include a link state topology exchange among switches, which provides each switch with a complete topology graph of the network. This enables an access switch receiving a data packet to determine a complete path from a source end system to a destination end system. Another service includes resolution of broadcast frames to unicast frames, in order to reduce the amount of broadcast traffic. Policy restrictions may be applied prior to connection setup. Path determination services enable multiple paths from a source to a destination. Connection management includes source routed mapping of connections on the desired path. A distributed call rerouting service is provided wherein if a link on an active path fails, each switch receives a topology change notification and unmaps any connection involving the failed link. A broadcast/unknown service provides restricted flooding of nonresolvable packets. Furthermore, connection-oriented switching is provided based on the source and destination MAC addresses as a connection identifier. Still further, resolution of networks outside the switch domain is enabled by access switches listening for network and server route advertisements and maintaining best routes to said networks and servers. The best route metrics may be combined with best path metrics to determine a path from a first access switch to an egress switch connected to the external network.
摘要翻译： 为分组交换数据通信网络提供面向连接的服务的方法和装置。 目录服务包括MAC地址和协议别名地址的分布式发现。 拓扑服务包括交换机之间的链路状态拓扑交换，为每个交换机提供网络的完整拓扑图。 这使得接收数据分组的接入交换机能够确定从源端系统到目的端系统的完整路径。 另一种服务包括将广播帧分解成单播帧，以便减少广播流量。 在连接设置之前可能会应用策略限制。 路径确定服务启用从源到目的地的多条路径。 连接管理包括在所需路径上的连接的源路由映射。 提供了一种分布式呼叫路由服务，其中如果活动路径上的链路发生故障，则每个交换机接收拓扑变化通知并解除涉及故障链路的任何连接。 广播/未知服务提供不可解析包的受限洪泛。 此外，基于源和目的地MAC地址作为连接标识符提供面向连接的交换。 此外，交换机域外的网络的分辨率由接入交换机监听网络和服务器路由通告以及维护到所述网络和服务器的最佳路由来实现。 最佳路由度量可以与最佳路径度量相结合以确定从第一接入交换机到连接到外部网络的出口交换机的路径。
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公开(公告)号：US08059798B1
公开(公告)日：2011-11-15
申请号：US11847524
申请日：2007-08-30
IPC分类号： H04M15/00
CPC分类号： H04L65/40 , H04L65/103 , H04M7/1275 , H04M2242/04
摘要： Method and apparatus for ad hoc cooperative routing in an IP network. Included is an emergency stand alone (ESA) system that provides a bypass to a failed TDM switch for multiple communication devices in communication with one or more TDM switches. One or more internet protocol media gateways communicate a multicast signal upon the failure of a switch. The multicast initiates Voice over IP communication between endpoints, bypassing the failed switch.
摘要翻译： IP网络中自组织协作路由的方法和装置。 包括紧急独立（ESA）系统，为与一个或多个TDM交换机进行通信的多个通信设备提供了故障TDM交换机的旁路。 一个或多个因特网协议媒体网关在交换机故障时传送多播信号。 多播启动端点之间的语音IP通信，绕过故障交换机。
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9.发明授权公开(公告)号：US08023515B2
公开(公告)日：2011-09-20
申请号：US12729740
申请日：2010-03-23
申请人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
发明人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
IPC分类号： H04L12/28
CPC分类号： H04L45/04 , H04L12/18 , H04L12/1877 , H04L12/1886 , H04L12/46 , H04L12/4641 , H04L12/467 , H04L41/0213 , H04L45/16 , H04L45/24 , H04L45/34 , H04L49/201 , H04L49/351 , H04L49/354 , H04L2212/00
摘要： Connection-oriented services for packet switched data communications networks are provided, including distributed MAC and protocol alias addresses discovery. Link state topology exchanges provide each switch with network topology graphs to determine paths from source to destination end systems. Broadcast frames are resolved to unicast frames to reduce broadcast traffic. Policy restrictions may be applied prior to connection setup. Connection management includes source-routed mapping of connections on the desired path. Distributed call rerouting is provided so switches receive topology change notifications and unmap failed link connections. Broadcast/unknown services provide non-resolvable packet restricted flooding. Connection-oriented switching is provided based on source and destination MAC addresses. Resolution of networks outside the switch domain is enabled by listening for network and server route advertisements and maintaining best routes to the networks and servers. Route and path metrics may be combined to determine paths from access switches to egress switches connected to the external network.
摘要翻译： 提供了用于分组交换数据通信网络的面向连接的服务，包括分布式MAC和协议别名地址发现。 链路状态拓扑交换为每个交换机提供网络拓扑图，以确定从源到目的端系统的路径。 广播帧被解析为单播帧以减少广播流量。 在连接设置之前可能会应用策略限制。 连接管理包括所需路径上的连接的源路由映射。 提供分布式呼叫重新路由，因此交换机接收拓扑更改通知并取消映射失败的链路连接。 广播/未知业务提供不可解析分组限制洪泛。 基于源和目的MAC地址提供面向连接的交换。 通过监听网络和服务器路由通告并维护到网络和服务器的最佳路由，可以实现对交换机域外网络的解析。 可以组合路由和路径度量以确定从接入交换机到连接到外部网络的出口交换机的路径。
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公开(公告)号：US20100182934A1
公开(公告)日：2010-07-22
申请号：US12729740
申请日：2010-03-23
申请人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
发明人： Kurt Dobbins , Thomas A. Grant , David J. Ruffen , Laura Kane , Theodore Len , Philip Andlauer , David H. Bahi , Kevin Yohe , Brendan Fee , Chris Oliver , David L. Cullerot , Michael Skubisz
IPC分类号： H04L12/28
CPC分类号： H04L45/04 , H04L12/18 , H04L12/1877 , H04L12/1886 , H04L12/46 , H04L12/4641 , H04L12/467 , H04L41/0213 , H04L45/16 , H04L45/24 , H04L45/34 , H04L49/201 , H04L49/351 , H04L49/354 , H04L2212/00
摘要： Method and apparatus providing connection-oriented services for packet switched data communications networks. Directory services include distributed discovery of MAC addresses and protocol alias addresses. Topology services include a link state topology exchange among switches, which provides each switch with a complete topology graph of the network. This enables an access switch receiving a data packet to determine a complete path from a source end system to a destination end system. Another service includes resolution of broadcast frames to unicast frames, in order to reduce the amount of broadcast traffic. Policy restrictions may be applied prior to connection setup. Path determination services enable multiple paths from a source to a destination. Connection management includes source routed mapping of connections on the desired path. A distributed call rerouting service is provided wherein if a link on an active path fails, each switch receives a topology change notification and unmaps any connection involving the failed link. A broadcast/unknown service provides restricted flooding of nonresolvable packets. Furthermore, connection-oriented switching is provided based on the source and destination MAC addresses as a connection identifier. Still further, resolution of networks outside the switch domain is enabled by access switches listening for network and server route advertisements and maintaining best routes to said networks and servers. The best route metrics may be combined with best path metrics to determine a path from a first access switch to an egress switch connected to the external network.
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