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    Hierarchical isolated learning and flooding for metro ethernet bridging domains
    1.
    发明授权
    Hierarchical isolated learning and flooding for metro ethernet bridging domains 有权
    城域以太网桥接域的分层学习和洪泛

    公开(公告)号：US08630288B2

    公开(公告)日：2014-01-14

    申请号：US12781531

    申请日：2010-05-17

    申请人： Bijendra Singh ,  Arun Saha ,  Mandar Joshi ,  Abinder S. Dhillon

    发明人： Bijendra Singh ,  Arun Saha ,  Mandar Joshi ,  Abinder S. Dhillon

    IPC分类号： H04L12/28

    CPC分类号： H04L12/4625

    摘要： A switch includes a processor coupled to a memory, one or more forwarding tables residing within the memory, and one or more ports. The ports are associated with a plurality of virtual local area networks and a plurality of bridge domains. Each of the bridge domains is associated with one of the forwarding tables, and each of the forwarding tables is associated with one of the bridge domains. The processor is configured to assign a first tag to a received packet, assign a second tag to the received packet, look up the destination address of the received packet in one of the forwarding tables, and selectively flood the ports of the active bridge domain with a copy of the received packet. The active bridge domain includes one of the plurality of bridge domains. The active bridge domain is associated with the ingress port of the received packet.

    摘要翻译： 交换机包括耦合到存储器的处理器，驻留在存储器内的一个或多个转发表以及一个或多个端口。 端口与多个虚拟局域网和多个桥域相关联。 每个桥接域与转发表中的一个相关联，并且每个转发表与一个桥接域相关联。 处理器被配置为向接收到的分组分配第一标签，向接收到的分组分配第二标签，在转发表之一中查找接收到的分组的目的地址，并选择性地将活动网桥域的端口泛洪， 接收到的数据包的副本。 有源桥接域包括多个桥接域中的一个。 活动网桥域与接收到的数据包的入口端口相关联。

    Hierarchical Isolated Learning and Flooding for Metro Ethernet Bridging Domains
    2.
    发明申请
    Hierarchical Isolated Learning and Flooding for Metro Ethernet Bridging Domains 有权
    用于城域以太网桥接的分层学习和洪泛

    公开(公告)号：US20110280248A1

    公开(公告)日：2011-11-17

    申请号：US12781531

    申请日：2010-05-17

    申请人： Bijendra Singh ,  Arun Saha ,  Mandar Joshi ,  Abinder S. Dhillon

    发明人： Bijendra Singh ,  Arun Saha ,  Mandar Joshi ,  Abinder S. Dhillon

    IPC分类号： H04L12/56

    CPC分类号： H04L12/4625

    摘要： In one embodiment, a switch includes a processor coupled to a memory, one or more forwarding tables residing within the memory, and one or more ports. The one or more ports are associated with a plurality of virtual local area networks. The one or more ports are associated with a plurality of bridge domains. Each of the bridge domains is associated with one of the forwarding tables, and each of the forwarding tables is associated with one of the bridge domains. The processor is configured to assign a first tag to a received packet, the first tag comprising an identification of an active bridge domain, assign a second tag to the received packet, look up the destination address of the received packet in one of the forwarding tables, and if the destination address is not found in the forwarding table, and selectively flood the one or more ports of the active bridge domain with a copy of the received packet. The active bridge domain includes one of the plurality of bridge domains. The active bridge domain is associated with the ingress port of the received packet. The second tag includes an identification of one of the plurality of virtual local area networks.

    摘要翻译： 在一个实施例中，交换机包括耦合到存储器的处理器，驻留在存储器内的一个或多个转发表以及一个或多个端口。 一个或多个端口与多个虚拟局域网相关联。 一个或多个端口与多个桥接域相关联。 每个桥接域与转发表中的一个相关联，并且每个转发表与一个桥接域相关联。 处理器被配置为向接收到的分组分配第一标签，第一标签包括活动网桥域的标识，为接收到的分组分配第二标签，在转发表之一中查找接收到的分组的目的地址 并且如果在转发表中没有找到目的地址，并且使用接收到的分组的副本选择性地泛洪有效网桥域的一个或多个端口。 有源桥接域包括多个桥接域中的一个。 活动网桥域与接收到的数据包的入口端口相关联。 第二标签包括多个虚拟局域网之一的标识。

    System and Method to Determine Resource Status of End-to-End Path
    4.
    发明申请
    System and Method to Determine Resource Status of End-to-End Path 有权
    确定端到端路径资源状态的系统和方法

    公开(公告)号：US20110103223A1

    公开(公告)日：2011-05-05

    申请号：US12608698

    申请日：2009-10-29

    申请人： Abinder S. Dhillon ,  Shan Zhu ,  Chandra Ganesh ,  Snigdho Chandra Bardalai

    发明人： Abinder S. Dhillon ,  Shan Zhu ,  Chandra Ganesh ,  Snigdho Chandra Bardalai

    IPC分类号： H04L12/56

    CPC分类号： H04L47/724 ,  H04L47/10 ,  H04L49/253

    摘要： Determining availability of an end-to-end physical path associated with reserved resources of a tunnel may include determining, for one or more nodes, a resource status for one or more resources integral to each node. Resource status for the integral resources of each node may be recorded in a message. Each node may communicate its associated message to one or more other nodes. At least one particular node of the one or more nodes may receive the messages communicated from the one or more nodes. The at least one particular node may store resource statuses for each of the one or more nodes. Based on an analysis of resource statuses, the at least one particular node may determine an availability of an end-to-end path of reserved resources of a tunnel including one or more of the nodes based on an analysis of resource statuses.

    摘要翻译： 确定与隧道的预留资源相关联的端到端物理路径的可用性可以包括为一个或多个节点确定一个或多个资源对于每个节点集成的资源状态。 每个节点的整体资源的资源状态可以记录在消息中。 每个节点可以将其相关联的消息传送到一个或多个其他节点。 一个或多个节点的至少一个特定节点可以接收从一个或多个节点传送的消息。 所述至少一个特定节点可以存储针对所述一个或多个节点中的每一个的资源状态。 基于对资源状态的分析，至少一个特定节点可以基于资源状态的分析来确定包括节点中的一个或多个的隧道的保留资源的端到端路径的可用性。

    System and method to determine resource status of end-to-end path
    6.
    发明授权
    System and method to determine resource status of end-to-end path 有权
    确定端到端路径资源状态的系统和方法

    公开(公告)号：US08599703B2

    公开(公告)日：2013-12-03

    申请号：US12608698

    申请日：2009-10-29

    申请人： Abinder S. Dhillon ,  Shan Zhu ,  Chandra Ganesh ,  Snigdho Chandra Bardalai

    发明人： Abinder S. Dhillon ,  Shan Zhu ,  Chandra Ganesh ,  Snigdho Chandra Bardalai

    IPC分类号： G01R31/08

    CPC分类号： H04L47/724 ,  H04L47/10 ,  H04L49/253

    摘要： Determining availability of an end-to-end physical path associated with reserved resources of a tunnel may include determining, for one or more nodes, a resource status for one or more resources integral to each node. Resource status for the integral resources of each node may be recorded in a message. Each node may communicate its associated message to one or more other nodes. At least one particular node of the one or more nodes may receive the messages communicated from the one or more nodes. The at least one particular node may store resource statuses for each of the one or more nodes. Based on an analysis of resource statuses, the at least one particular node may determine an availability of an end-to-end path of reserved resources of a tunnel including one or more of the nodes based on an analysis of resource statuses.

    摘要翻译： 确定与隧道的保留资源相关联的端到端物理路径的可用性可以包括为一个或多个节点确定一个或多个资源对于每个节点集成的资源状态。 每个节点的整体资源的资源状态可以记录在消息中。 每个节点可以将其相关联的消息传送到一个或多个其他节点。 一个或多个节点的至少一个特定节点可以接收从一个或多个节点传送的消息。 所述至少一个特定节点可以存储针对所述一个或多个节点中的每一个的资源状态。 基于对资源状态的分析，至少一个特定节点可以基于资源状态的分析来确定包括节点中的一个或多个的隧道的保留资源的端到端路径的可用性。

    Providing Wavelength Connectivity Information To A Network
    9.
    发明申请
    Providing Wavelength Connectivity Information To A Network 有权
    向网络提供波长连接信息

    公开(公告)号：US20090269060A1

    公开(公告)日：2009-10-29

    申请号：US12109455

    申请日：2008-04-25

    申请人： Snigdho C. Bardalai ,  Abinder S. Dhillon

    发明人： Snigdho C. Bardalai ,  Abinder S. Dhillon

    IPC分类号： H04J14/00

    CPC分类号： H04J14/0227 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0283 ,  H04Q11/0062 ,  H04Q2011/0073 ,  H04Q2011/0079

    摘要： In particular embodiments, providing wavelength connectivity information to a network includes establishing wavelength connectivity information for a network node of the network. The network node comprises link pairs, where a link pair has an input link and an output link. The wavelength connectivity information describes a set of available wavelengths between an input link and an output link. The wavelength connectivity information is inserted into an advertisement, and the advertisement is sent to at least a subset of the network nodes of the network in real time.

    摘要翻译： 在特定实施例中，向网络提供波长连接信息包括为网络的网络节点建立波长连接性信息。 网络节点包括链路对，其中链路对具有输入链路和输出链路。 波长连接信息描述输入链路和输出链路之间的一组可用波长。 将波长连接信息插入到广告中，并且将广告实时地发送到网络的网络节点的至少一个子集。

    Communicating information between core and edge network elements
    10.
    发明授权
    Communicating information between core and edge network elements 有权
    在核心和边缘网络元素之间传递信息

    公开(公告)号：US08446841B2

    公开(公告)日：2013-05-21

    申请号：US12276462

    申请日：2008-11-24

    申请人： Abinder S. Dhillon ,  Michael D. White ,  Fredrick S. Gruman ,  Sanjay Gera ,  Snigdho C. Bardalai

    发明人： Abinder S. Dhillon ,  Michael D. White ,  Fredrick S. Gruman ,  Sanjay Gera ,  Snigdho C. Bardalai

    IPC分类号： H04L12/28

    CPC分类号： H04L45/04 ,  H04L45/02

    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。