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公开(公告)号：US07133403B1
公开(公告)日：2006-11-07
申请号：US09588806
申请日：2000-06-06
申请人： Li Mo , David W. Wynn , George E. Bucklin , Edward T. Sullivan , Francois Moore , Abed Mohd Jaber , Edward Alton Harbin , Nimer Ibrahim Yaseen , Snigdho C. Bardalai , David W. Terwilliger , Michael J. Mezeul , Kai Chung Ko
发明人： Li Mo , David W. Wynn , George E. Bucklin , Edward T. Sullivan , Francois Moore , Abed Mohd Jaber , Edward Alton Harbin , Nimer Ibrahim Yaseen , Snigdho C. Bardalai , David W. Terwilliger , Michael J. Mezeul , Kai Chung Ko
CPC分类号： H04Q11/0478 , H04L41/12 , H04L41/22 , H04L43/50 , H04L45/00 , H04L45/22 , H04L45/502 , H04L2012/5627
摘要： A transport network includes a flexible topology for internally defining transport elements. The transport elements each include a port group having a plurality of geographically distributed ports from the transport network. Point-to-multipoint connectivity is defined between the ports in a port group. An identifier represents the port group as a single element to internal and/or external elements for protocol exchanges.
摘要翻译： 传输网络包括用于内部定义传输元件的灵活拓扑。 传输元件各自包括具有来自传输网络的多个地理上分布的端口的端口组。 在端口组中的端口之间定义了点对多点连接。 标识符表示端口组作为协议交换的内部和/或外部元素的单个元素。
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公开(公告)号：US08989181B2
公开(公告)日：2015-03-24
申请号：US11929116
申请日：2007-10-30
IPC分类号： H04L12/28 , H04L12/723 , H04L12/701 , H04L12/761
摘要： A method for multicasting data packets is provided. The method includes preparing multiple point to point connections between a root node and multiple destination nodes to establish point to multipoint connections. The method also includes receiving, at an intermediate node which is operatively connected to the root node and a plurality of the destination nodes, a data packet from the root node. In addition, the method includes determining whether the received data packet is a multicast data packet and generating a plurality of the data packets by copying the received data packet if the received data packet is a multicast data packet. Furthermore, the method includes forwarding the copied data packets to a plurality of the destination nodes.
摘要翻译： 提供了组播数据包的方法。 该方法包括在根节点和多个目的节点之间准备多个点对点连接以建立点对多点连接。 该方法还包括在根节点的可操作地连接到根节点和多个目的节点的中间节点处接收数据分组。 此外，该方法包括：如果接收到的数据分组是多播数据分组，则确定接收到的数据分组是否是多播数据分组，并通过复制接收的数据分组来生成多个数据分组。 此外，该方法包括将复制的数据分组转发到多个目的地节点。
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公开(公告)号：US07372853B2
公开(公告)日：2008-05-13
申请号：US10607442
申请日：2003-06-25
IPC分类号： H04L12/28
摘要： According to one embodiment of the invention, a method for multicasting data packets is provided. The method includes determining that a data packet is to be multicast from an intermediate node to a plurality of destination nodes in a branch of a point-to-multipoint MPLS connection tree. The intermediate node has a plurality of connection interfaces. The method also includes establishing only one MPLS tunnel in response to the determination. The only one MPLS tunnel is for carrying the data packet to be multicast and established between a node and the intermediate node. The method also includes connecting each destination node to the intermediate node through a particular one of the connection interfaces. The method also includes receiving the data packet from the node at the intermediate node through the only one MPLS tunnel. The method also includes forwarding the data packet to the plurality of destination nodes through the connection interfaces identified in a multicast table.
摘要翻译： 根据本发明的一个实施例，提供了一种用于组播数据分组的方法。 该方法包括确定数据分组将在点对多点MPLS连接树的分支中的中间节点到多个目的地节点的多播。 中间节点具有多个连接接口。 该方法还包括响应于确定仅建立一个MPLS隧道。 唯一一个MPLS隧道用于承载要在组播节点和中间节点之间建立的数据包。 该方法还包括通过特定的一个连接接口将每个目的地节点连接到中间节点。 该方法还包括通过仅一个MPLS隧道从中间节点的节点接收数据包。 该方法还包括通过多播表中标识的连接接口将数据分组转发到多个目的节点。
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公开(公告)号：US20090269061A1
公开(公告)日：2009-10-29
申请号：US12109414
申请日：2008-04-25
申请人： Snigdho C. Bardalai , Abinder S. Dhillon , Sanjay Gera , Taichi Ueki , Hideaki Sugiya , Vibha Sarin
发明人： Snigdho C. Bardalai , Abinder S. Dhillon , Sanjay Gera , Taichi Ueki , Hideaki Sugiya , Vibha Sarin
IPC分类号： H04J14/00
CPC分类号： H04J14/0221 , H04J14/0201 , H04J14/0227 , H04L12/66
摘要： In particular embodiments, providing signal reachability information to a network includes establishing signal reachability information at a network node of the network. The signal reachability information describes attributes that affect reachability of an optical signal. The signal reachability information is inserted into an advertisement, and the advertisement is sent to network nodes of the network.
摘要翻译： 在特定实施例中，向网络提供信号可达性信息包括在网络的网络节点处建立信号可达性信息。 信号可达性信息描述影响光信号可达性的属性。 将信号可达性信息插入到广告中，并将广告发送到网络的网络节点。
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5.发明申请公开(公告)号：US20080031623A1
公开(公告)日：2008-02-07
申请号：US11499621
申请日：2006-08-04
申请人： Snigdho C. Bardalai , Sifang Chu
发明人： Snigdho C. Bardalai , Sifang Chu
IPC分类号： H04J14/00
CPC分类号： H04J14/0227 , H04J14/0228 , H04J14/0238 , H04J14/0241 , H04J14/0283
摘要： According to one embodiment, providing optical signal regeneration information for an optical path includes sending a path message through the optical path. The optical path comprises a sequence of nodes of a communication network, where the sequence of nodes comprises an initiating node, a set of intermediate nodes, and a terminating node. The path message communicates optical signal regeneration information specifying optical signal regeneration for one or more regenerating nodes of the sequence of nodes. A regenerating node receives the path message. The regenerating node is configured according to the optical signal regeneration information. The configured regenerating node is operable to perform optical signal regeneration.
摘要翻译： 根据一个实施例，提供光路的光信号再生信息包括通过光路发送路径消息。 光路包括通信网络的节点序列，其中节点序列包括发起节点，一组中间节点和终止节点。 路径消息传送指定节点序列的一个或多个再生节点的光信号再生的光信号再生信息。 再生节点接收路径消息。 根据光信号再生信息配置再生节点。 配置的再生节点可操作以执行光信号再生。
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公开(公告)号：US08880699B2
公开(公告)日：2014-11-04
申请号：US11255452
申请日：2005-10-20
IPC分类号： G06F15/173 , H04L29/08 , H04L29/06
CPC分类号： H04L67/322 , H04L69/18 , H04L69/326
摘要： Providing a service includes establishing service parameter values for a service, where a service parameter value describes a metric of the service. The service parameter values are mapped to first network parameter values operable to configure a first wide area network port for a first transport mechanism. The service is provided over the first transport mechanism. The service parameter values are mapped to second network parameter values operable to configure a second wide area network port for a second transport mechanism. The service is provided over the second transport mechanism.
摘要翻译： 提供服务包括为服务建立服务参数值，其中服务参数值描述服务的度量。 服务参数值被映射到第一网络参数值，其可操作以配置用于第一传输机制的第一广域网端口。 该服务是通过第一个运输机制提供的。 服务参数值被映射到第二网络参数值，其可操作用于为第二传输机制配置第二广域网端口。 该服务通过第二传送机构提供。
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公开(公告)号：US08446841B2
公开(公告)日：2013-05-21
申请号：US12276462
申请日：2008-11-24
IPC分类号： H04L12/28
摘要： In particular embodiments, a network element filters information sent to a neighboring network element. In the embodiments, the core network element may determine whether the neighboring network element is an edge network element or a core network element. If the neighboring network element is an edge network element, the core network element may set a filter, remove traffic engineering information according to the filter, and send the remaining information to the neighboring network element.
摘要翻译： 在特定实施例中，网络元件过滤发送到相邻网络元件的信息。 在实施例中，核心网元可以确定相邻网络元件是边缘网络元件还是核心网络元件。 如果相邻网元是边缘网元，则核心网元可以设置过滤器，根据过滤器去除流量工程信息，并将剩余信息发送给相邻网元。
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公开(公告)号：US20100054153A1
公开(公告)日：2010-03-04
申请号：US12276462
申请日：2008-11-24
IPC分类号： H04L12/28
摘要： In particular embodiments, a network element filters information sent to a neighboring network element. In the embodiments, the core network element may determine whether the neighboring network element is an edge network element or a core network element. If the neighboring network element is an edge network element, the core network element may set a filter, remove traffic engineering information according to the filter, and send the remaining information to the neighboring network element.
摘要翻译： 在特定实施例中，网络元件过滤发送到相邻网络元件的信息。 在实施例中，核心网元可以确定相邻网络元件是边缘网络元件还是核心网络元件。 如果相邻网元是边缘网元，则核心网元可以设置过滤器，根据过滤器去除流量工程信息，并将剩余信息发送给相邻网元。
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公开(公告)号：US07907549B2
公开(公告)日：2011-03-15
申请号：US11183151
申请日：2005-07-14
IPC分类号： H04L12/28
CPC分类号： H04L41/0806 , H04L12/42
摘要： Modeling a ring network of a network system includes creating a ring object that models the ring network. The network system includes a network element that has components. The ring object includes provisioning properties, where a provisioning property describes configuring a component to become a member of the ring network. A component is associated with the ring object to allow the component to become a member of the ring network, where the associated component is allowed to receive packets communicated by the ring network. The ring object is stored at memory of the network element.
摘要翻译： 对网络系统的环网建模包括创建对环网建模的环对象。 网络系统包括具有组件的网络元件。 环对象包括配置属性，其中配置属性描述配置组件以成为环网的成员。 组件与环对象相关联，以允许组件成为环网的成员，其中相关组件被允许接收由环网通信的分组。 环对象存储在网元的存储器中。
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公开(公告)号：US07706306B2
公开(公告)日：2010-04-27
申请号：US11278175
申请日：2006-03-31
CPC分类号： H04L47/724 , H04L45/02 , H04L45/04 , H04L47/70 , H04L47/806
摘要： Generating a path inventory for a communication network includes sending a path message through a sequence of nodes of the communication network. The sequence of nodes comprises an initiating node, a set of intermediate nodes, and a terminating node. The path message is sent from the initiating node, through the set of intermediate nodes, to the terminating node. The path message sent from the initiating node may not have a specified destination address. The following is repeated for each node of the set of intermediate nodes: establishing a next node subsequent to the each node, and gathering path information about the next node in the path message. The path message is received at the terminating node, and the path information is recorded in a return message.
摘要翻译： 生成通信网络的路径清单包括通过通信网络的一系列节点发送路径消息。 节点序列包括发起节点，一组中间节点和终止节点。 路径消息从发起节点通过一组中间节点发送到终止节点。 从发起节点发送的路径消息可能没有指定的目的地址。 对中间节点集合中的每个节点重复以下步骤：建立每个节点之后的下一个节点，并且收集关于路径消息中的下一个节点的路径信息。 在终止节点处接收路径消息，并将路径信息记录在返回消息中。
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