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1. 发明授权

US08619788B1 Performing scalable L2 wholesale services in computer networks 有权
标题翻译：在计算机网络中执行可扩展的L2批发服务
公开(公告)号：US08619788B1
公开(公告)日：2013-12-31
申请号：US12901985
申请日：2010-10-11
申请人： Krishna Sankaran , Sanjiv Doshi , Jagadish Grandhi , Apurva Mehta , Prakash Kamath , Huaxiang Sun , Shivaprakash Shenoy
发明人： Krishna Sankaran , Sanjiv Doshi , Jagadish Grandhi , Apurva Mehta , Prakash Kamath , Huaxiang Sun , Shivaprakash Shenoy
IPC分类号： H04L12/28
CPC分类号： H04L12/462 , H04L12/4658 , H04L45/60 , H04L45/66 , H04L49/351 , H04L67/2866 , H04L69/30
摘要： In general, techniques are described for performing scalable layer two (L2) learning in computer networks. A network device that includes interfaces and a control unit may implement these techniques. The control unit stores a L2 learning table having entries that are each associated with a service tag identifying a service virtual local area network. In response to receiving a packet that includes a service tag, the interfaces access the L2 learning table using the service tag to determine whether any of the entries of the L2 learning table are associated with the service tag. When none of the entries are associated with the service tag, the L2 learning module updates the L2 learning table to create a new entry defining an association between the one of the interfaces that received the packet and the service tag.
摘要翻译：通常，描述了在计算机网络中执行可缩放的第二层（L2）学习的技术。包括接口和控制单元的网络设备可以实现这些技术。控制单元存储具有每个与标识服务虚拟局域网的服务标签相关联的条目的L2学习表。响应于接收到包括服务标签的分组，接口使用服务标签访问L2学习表，以确定L2学习表的任何条目是否与服务标签相关联。当没有任何条目与服务标签相关联时，L2学习模块更新L2学习表，以创建定义接收到分组的接口之一与服务标签之间的关联的新条目。

2. 发明授权

US08724456B1 Network path selection for multi-homed edges to ensure end-to-end resiliency 有权
标题翻译：多归位边缘的网络路径选择，以确保端到端的弹性
公开(公告)号：US08724456B1
公开(公告)日：2014-05-13
申请号：US12881999
申请日：2010-09-14
申请人： Bin William Hong , Apurva Mehta , Ramanarayanan Ramakrishnan , Huaxiang Sun , Prakash Kamath
发明人： Bin William Hong , Apurva Mehta , Ramanarayanan Ramakrishnan , Huaxiang Sun , Prakash Kamath
IPC分类号： G06F11/00
CPC分类号： G06F11/00
摘要： Techniques are described for selecting an alternate path for end-to-end service data traffic that traverses multi-homed routers that provide the service to customer networks. For example, as described herein, a router that is a member of a first multi-homing set connected to a layer two (L2) network with one of a plurality of first access links. The router advertises a status of one of the first access links to a second multi-homing set connected to the first multi-homing set with one or more core links. A core link database stores advertised status information for access links of the first and second multi-homing set. Upon a link failure, a path selector selects a core link to transport service data traffic and directs a switch module to switch to active a status a first access links that connects to a router in the first multi-homing set connected to the selected core link.
摘要翻译：描述技术来选择用于通过向客户网络提供服务的多归属路由器的端到端服务数据业务的备用路径。例如，如本文所述，路由器是与多个第一接入链路中的一个连接到第二层（L2）网络的第一多归属集合的成员。路由器将具有一个第一接入链路的状态通告给具有一个或多个核心链路的连接到第一多归属集的第二多归属集。核心链路数据库存储用于第一和第二多归属集合的接入链路的通告状态信息。在链路故障时，路径选择器选择核心链路来传输服务数据流量并指示交换机模块切换到活动状态，连接到连接到所选核心链路的第一多归属集中的路由器的第一接入链路。

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