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1. 发明申请

WO2007106102A1 METHOD AND SYSTEM FOR MULTI-LAYER NETWORK ROUTING 审中-公开
标题翻译：多层网络路由的方法与系统
公开(公告)号：WO2007106102A1
公开(公告)日：2007-09-20
申请号：PCT/US2006/015894
申请日：2006-04-26
申请人： TELLABS OPERATIONS, INC. , MACK-CRANE, Benjamin, T. , SADLER, Jonathan, B.
发明人： MACK-CRANE, Benjamin, T. , SADLER, Jonathan, B.
IPC分类号： H04L12/56
CPC分类号： H04L45/00 , H04L45/12 , H04L45/64
摘要： Each node of a telecommunications network determines interface point connection type attributes available for each signal type supported by the node. Each signal type represents a different connection routing layer within the telecommunications network. Adaptation costs involved in traversing from one connection routing layer to another connection routing layer in the node are calculated. The connection type attributes and adaptation costs are included in a link state advertisement broadcasted by each node in the telecommunications network. A route calculation is performed for a desired signal to determine a route through the telecommunications network for the signal. The route calculation takes into account the various connection type attributes, availability, and adaptation costs in determining the shortest route for the signal through the telecommunications network.
摘要翻译：电信网络的每个节点确定可用于节点支持的每种信号类型的接口点连接类型属性。每个信号类型表示电信网络内不同的连接路由层。计算从一个连接路由层遍历到该节点中的另一个连接路由层所涉及的适配成本。连接类型属性和自适应成本包括在电信网络中的每个节点广播的链路状态广告中。对所需信号执行路线计算，以确定通过电信网络的信号路线。路由计算在确定通过电信网络的信号的最短路由时考虑到各种连接类型属性，可用性和适应成本。

2. 发明申请

WO2012031572A1 USE OF PARTITIONS TO REDUCE FLOODING AND FILTERING DATABASE SIZE REQUIREMENTS IN LARGE LAYER TWO NETWORKS 审中-公开
标题翻译：在大型两个网络中使用分区来减少流量和过滤数据库大小的要求
公开(公告)号：WO2012031572A1
公开(公告)日：2012-03-15
申请号：PCT/CN2011/079559
申请日：2011-09-13
申请人： HUAWEI TECHNOLOGIES CO., LTD. , SULTAN, Robert , MACK-CRANE, Benjamin T. , DUNBAR, Linda
发明人： SULTAN, Robert , MACK-CRANE, Benjamin T. , DUNBAR, Linda
IPC分类号： H04L12/46
CPC分类号： H04L12/4625 , H04L45/04 , H04L45/48
摘要： A network component, comprising a memory unit comprising a filtering database (FDB), wherein the FDB comprises a medium access control (MAC) address and a Virtual Local Area Networks (VLAN) Identifier (VID) pair for each of a plurality of end-stations associated with an edge-district partition of a network, wherein the edge-district partition is associated with the network component, and wherein the FDB comprises a wildcard FDB entry corresponding to each VLAN associated with the network component, and a logic unit coupled to the ingress ports and the egress ports, wherein the logic unit is configured to reduce flooding in the edge-district partition of the network; wherein the logic unit is configured to forward a received frame, having a destination MAC address and a VID for which there is not an exact match in the FDB, towards a core-bridge without flooding based on the wildcard entry in the FDB.
摘要翻译：一种网络组件，包括包括过滤数据库（FDB）的存储器单元，其中所述FDB包括用于多个端到端的每一个的介质访问控制（MAC）地址和虚拟局域网（VLAN）标识符（VID）与所述网络的边缘区划分相关联的站，其中所述边缘区分区与所述网络组件相关联，并且其中所述FDB包括对应于与所述网络组件相关联的每个VLAN的通配符FDB条目，以及耦合到入口端口和出口端口，其中所述逻辑单元被配置为减少所述网络的边缘区分区中的洪泛; 其中所述逻辑单元被配置为将具有目的地MAC地址的接收帧和在所述FDB中没有精确匹配的VID转发到基于所述FDB中的所述通配符条目的核心桥而不洪泛。

3. 发明申请

WO2011150396A1 VIRTUAL LAYER 2 AND MECHANISM TO MAKE IT SCALABLE 审中-公开
标题翻译：虚拟层2和机制使其可扩展
公开(公告)号：WO2011150396A1
公开(公告)日：2011-12-01
申请号：PCT/US2011/038443
申请日：2011-05-27
申请人： HUAWEI TECHNOLOGIES CO., LTD. , DUNBAR, Linda , MACK-CRANE, Benjamin, T. , HARES, Susan , SULTAN, Robert , ASHWOOD-SMITH, Peter , YIN, Guoli
发明人： DUNBAR, Linda , MACK-CRANE, Benjamin, T. , HARES, Susan , SULTAN, Robert , ASHWOOD-SMITH, Peter , YIN, Guoli
IPC分类号： H04L29/12 , H04L12/46 , H04L12/56
CPC分类号： H04L12/4633 , H04L12/462 , H04L12/4625 , H04L12/4641 , H04L12/4675 , H04L12/66 , H04L29/12028 , H04L41/12 , H04L45/02 , H04L45/66 , H04L61/103
摘要： An apparatus comprising a service network and a plurality of Layer 2 networks at a plurality of different physical locations coupled to the service network via a plurality of edge nodes at the Layer 2 networks, wherein the edge nodes are configured to maintain a plurality of Internet Protocol (IP) addresses of a plurality of hosts across the Layer 2 networks, and wherein the IP addresses of the hosts in each of the Layer 2 networks are mapped by the other Layer 2 networks to a Media Access Control (MAC) address of each of the edge nodes in the same Layer 2 networks of the hosts.
摘要翻译：一种包括服务网络和多个不同物理位置处的多个第2层网络的装置，其经由第2层网络上的多个边缘节点耦合到服务网络，其中边缘节点被配置为维持多个互联网协议（IP）地址，并且其中每个第2层网络中的主机的IP地址被其他第2层网络映射到每个网络的媒体访问控制（MAC）地址主机的相同二层网络中的边缘节点。

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