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1. 发明授权

US08855015B2 Techniques for generic pruning in a trill network 有权
标题翻译：技术在通用修剪在颤音网络
公开(公告)号：US08855015B2
公开(公告)日：2014-10-07
申请号：US13586208
申请日：2012-08-15
申请人： Yibin Yang , Chia Tsai
发明人： Yibin Yang , Chia Tsai
IPC分类号： H04L12/28
CPC分类号： H04L12/462
摘要： Techniques are provided for managing and distributing communications in a network. At a first switch device arranged in a first configuration in a network, a set of one or more network attributes are determined, which are associated with network communications that the first switch device is interested in receiving from other network devices. The first switch device sends to a controller device an attribute interest message that informs the controller device of the set of network attributes. The first switch device receives a mapping of the network attributes in to one or more identifiers. The identifiers are included in a header of subsequent frames sent in the network. An identifier interest message is then sent to a second switch device arranged in a second network configuration in the network to inform the second switch device of identifiers of the network attributes of which the first device has an interest.
摘要翻译：提供技术来管理和分发网络中的通信。在网络中以第一配置排列的第一交换设备，确定与第一交换设备有兴趣从其他网络设备接收的网络通信相关联的一个或多个网络属性的集合。第一交换机设备向控制器设备发送属性兴趣消息，该消息向控制器设备通知该组网络属性。第一交换设备接收网络属性到一个或多个标识符的映射。标识符被包括在网络中发送的后续帧的报头中。然后，将标识符兴趣消息发送到布置在网络中的第二网络配置中的第二交换设备，以向第二交换设备通知第一设备具有兴趣的网络属性的标识符。

2. 发明授权

US09736065B2 Level of hierarchy in MST for traffic localization and load balancing 有权
公开(公告)号：US09736065B2
公开(公告)日：2017-08-15
申请号：US13168571
申请日：2011-06-24
申请人： Chia Tsai , Norman W. Finn , Yibin Yang , Debashis Patnala Rao
发明人： Chia Tsai , Norman W. Finn , Yibin Yang , Debashis Patnala Rao
IPC分类号： H04L12/753 , H04L12/715 , H04L12/707 , H04L12/803
CPC分类号： H04L45/48 , H04L45/04 , H04L45/24 , H04L45/46 , H04L47/125
摘要： In one embodiment, a multiple spanning tree (MST) region is defined in a network, where the MST region includes a plurality of network nodes interconnected by links. A MST cluster is defined within the MST region, where the MST cluster includes a plurality of network nodes selected from the plurality of network nodes of the MST region. A network node of the MST cluster generates one or more MST bridge protocol data units (BPDUs) that present the MST cluster as a single logical entity to network nodes of the MST region that are not included in the MST cluster, yet enables per-multiple spanning tree instance (per-MSTI) load balancing of traffic across inter-cluster links that connect network nodes included in the MST cluster and network nodes of the MST region that are not included in the MST cluster.

3. 发明申请

US20140050116A1 Techniques for Generic Pruning in a Trill Network 有权
标题翻译：通用修剪技术在Trill网络中的应用
公开(公告)号：US20140050116A1
公开(公告)日：2014-02-20
申请号：US13586208
申请日：2012-08-15
申请人： Yibin Yang , Chia Tsai
发明人： Yibin Yang , Chia Tsai
IPC分类号： H04L12/28
CPC分类号： H04L12/462
摘要： Techniques are provided for managing and distributing communications in a network. At a first switch device arranged in a first configuration in a network, a set of one or more network attributes are determined, which are associated with network communications that the first switch device is interested in receiving from other network devices. The first switch device sends to a controller device an attribute interest message that informs the controller device of the set of network attributes. The first switch device receives a mapping of the network attributes in to one or more identifiers. The identifiers are included in a header of subsequent frames sent in the network. An identifier interest message is then sent to a second switch device arranged in a second network configuration in the network to inform the second switch device of identifiers of the network attributes of which the first device has an interest.
摘要翻译：提供技术来管理和分发网络中的通信。在网络中以第一配置排列的第一交换设备，确定与第一交换设备有兴趣从其他网络设备接收的网络通信相关联的一个或多个网络属性的集合。第一交换机设备向控制器设备发送属性兴趣消息，该消息向控制器设备通知该组网络属性。第一交换设备接收网络属性到一个或多个标识符的映射。标识符被包括在网络中发送的后续帧的报头中。然后，将标识符兴趣消息发送到布置在网络中的第二网络配置中的第二交换设备，以向第二交换设备通知第一设备具有兴趣的网络属性的标识符。

4. 发明申请

US20120327766A1 LEVEL OF HIERARCHY IN MST FOR TRAFFIC LOCALIZATION AND LOAD BALANCING 有权
标题翻译： MST用于交通局部化和负载均衡的层次度
公开(公告)号：US20120327766A1
公开(公告)日：2012-12-27
申请号：US13168571
申请日：2011-06-24
申请人： Chia Tsai , Norman W. Finn , Yibin Yang , Debashis Patnala Rao
发明人： Chia Tsai , Norman W. Finn , Yibin Yang , Debashis Patnala Rao
IPC分类号： H04L12/26
CPC分类号： H04L45/48 , H04L45/04 , H04L45/24 , H04L45/46 , H04L47/125
摘要： In one embodiment, a multiple spanning tree (MST) region is defined in a network, where the MST region includes a plurality of network nodes interconnected by links. A MST cluster is defined within the MST region, where the MST cluster includes a plurality of network nodes selected from the plurality of network nodes of the MST region. A network node of the MST cluster generates one or more MST bridge protocol data units (BPDUs) that present the MST cluster as a single logical entity to network nodes of the MST region that are not included in the MST cluster, yet enables per-multiple spanning tree instance (per-MSTI) load balancing of traffic across inter-cluster links that connect network nodes included in the MST cluster and network nodes of the MST region that are not included in the MST cluster.
摘要翻译：在一个实施例中，在网络中定义多生成树（MST）区域，其中MST区域包括通过链路互连的多个网络节点。在MST区域内定义MST集群，其中MST集群包括从MST区域的多个网络节点中选择的多个网络节点。 MST集群的网络节点生成一个或多个MST网桥协议数据单元（BPDU），该MST网桥协议数据单元将MST集群作为单个逻辑实体提供给不包括在MST集群中的MST域的网络节点，生成树实例（每个MSTI）负责平衡连接MST群集中包含的网络节点和MST群集中未包含的MST域的网络节点的跨群集链路之间的流量。

5. 发明授权

US08868731B1 Technique for false positives prevention in high availability network 有权
标题翻译：高可用性网络假阳性预防技术
公开(公告)号：US08868731B1
公开(公告)日：2014-10-21
申请号：US13154275
申请日：2011-06-06
申请人： Chia Tsai , Minjie Lin , Yibin Yang , Debashis Patnala Rao
发明人： Chia Tsai , Minjie Lin , Yibin Yang , Debashis Patnala Rao
IPC分类号： G06F15/173 , H04L12/28 , H04L12/56 , G06F11/00
CPC分类号： H04L45/28 , H04L12/462 , H04L12/4625 , H04L41/0893
摘要： In one embodiment, a protocol state associated with a port of a network device is determined to have expired. A port group of which the port is a member is determined, the port group including ports that share one or more common characteristics. A policy is applied to the ports of the port group to determine whether one or more other ports in the port group also have a corresponding protocol state protocol that has expired. In response to one or more other ports in the port group also having a corresponding protocol state that has expired, expiration of the protocol state is determined to be a false positive and no further action is taken based on expiration of the protocol state. When expiration of the protocol state is not determined to be a false positive, further action is taken based on expiration of the protocol state.
摘要翻译：在一个实施例中，确定与网络设备的端口相关联的协议状态已经期满。确定端口是其成员的端口组，端口组包括共享一个或多个公共特性的端口。策略应用于端口组的端口，以确定端口组中的一个或多个其他端口是否也具有已过期的对应协议状态协议。响应于端口组中的一个或多个其他端口也具有已经过期的对应协议状态，协议状态的到期被确定为假阳性，并且基于协议状态的到期而不采取进一步的动作。当协议状态的到期未被确定为假阳性时，基于协议状态的到期采取进一步的动作。

6. 发明授权

US09137119B2 Efficient handling of multi-destination traffic in an internet protocol fabric data center 有权
标题翻译：在互联网协议架构数据中心高效地处理多目标流量
公开(公告)号：US09137119B2
公开(公告)日：2015-09-15
申请号：US13788602
申请日：2013-03-07
申请人： Yibin Yang , Liqin Dong , Chiajen Tsai
发明人： Yibin Yang , Liqin Dong , Chiajen Tsai
IPC分类号： G06F15/16 , H04L12/24 , H04L12/751 , H04L12/753 , H04L12/703 , H04L12/715 , H04L12/761
CPC分类号： H04L41/12 , H04L45/02 , H04L45/04 , H04L45/16 , H04L45/28 , H04L45/48
摘要： A method is provided in one example embodiment and includes establishing at least one fixed topology distribution tree in a network, where the fixed topology distribution tree comprises one root node and a plurality of leaf nodes connected to the root node; maintaining at the root node an indication of multicast group interests advertised by the leaf nodes; and pruning traffic at the root node based on the advertised multicast group interests of the leaf nodes. In one embodiment, the root node is a spine switch and each of the leaf nodes is a leaf switch and each of the leaf nodes is connected to the root node by a single hop.
摘要翻译：在一个示例实施例中提供了一种方法，并且包括在网络中建立至少一个固定拓扑分布树，其中固定拓扑分布树包括连接到根节点的一个根节点和多个叶节点; 在根节点维护叶节点广播的组播组兴趣的指示; 并根据叶节点的广播组播组利益修剪根节点的流量。在一个实施例中，根节点是脊交换机，并且每个叶节点是叶交换机，并且每个叶节点通过单跳连接到根节点。

7. 发明申请

US20140269695A1 System for Conversational Link Aggregation Resolution in a Network Switch 有权
标题翻译：网络交换机中对话链路聚合解析系统
公开(公告)号：US20140269695A1
公开(公告)日：2014-09-18
申请号：US13839476
申请日：2013-03-15
申请人： Chiajen Tsai , Yibin Yang , Rajagopalan Janakiraman
发明人： Chiajen Tsai , Yibin Yang , Rajagopalan Janakiraman
IPC分类号： H04L12/741
CPC分类号： H04L45/745 , H04L45/245 , H04L49/55 , Y02D50/30
摘要： Some implementations provide a method that includes: (i) receiving a list of logic link aggregations (LAGs) within a computer network, the list identifying a single physical egress port associated with each LAG; (ii) receiving a data unit; (iii) identifying that the data unit is addressed to a remote LAG included in the list of logic link aggregations; (iv) establishing a connection with the remote LAG; (v) downloading a detailed data describing the remote LAG from a control plane, the detailed data including a list of multiple available physical egress ports associated with the remote LAG, and; (vi) upon downloading the detailed data, incorporating the detailed data into the list of LAGs in association with an entry identifying the remote LAG.
摘要翻译：一些实现提供了一种方法，其包括：（i）在计算机网络内接收逻辑链路聚合（LAG）的列表，所述列表标识与每个LAG相关联的单个物理出口; （ii）接收数据单元; （iii）识别数据单元被寻址到包括在逻辑链路聚合列表中的远程LAG; （iv）与远程LAG建立连接; （v）从控制平面下载描述所述远程LAG的详细数据，所述详细数据包括与所述远程LAG相关联的多个可用物理出口的列表，以及; （vi）在下载详细数据时，将详细数据与标识远程LAG的条目相关联地结合到LAG列表中。

8. 发明授权

US07764687B1 Longest prefix match search technique 有权
标题翻译：最长前缀匹配搜索技术
公开(公告)号：US07764687B1
公开(公告)日：2010-07-27
申请号：US10401904
申请日：2003-03-28
申请人： Biao Gao , Yibin Yang , Charles Chen
发明人： Biao Gao , Yibin Yang , Charles Chen
IPC分类号： H04L12/56
CPC分类号： H04L45/04 , H04L45/7457
摘要： A router identifies in a data packet an address of a network device. An algorithm determines that the address and a first prefix in a tree data structure match up to a first mask length of the first prefix. The algorithm maintains the first prefix in a temporary storage location if there is a match, and determines whether the address and a second prefix in the tree data structure match up to a second mask length of the second prefix, wherein an external node of the second prefix is linked below an external node of the first prefix, and wherein the second mask length is longer than the first mask length. The algorithm maintains the second prefix as a better match of the address, if the address and the second prefix match up to the mask length of the second prefix.
摘要翻译：路由器在数据包中标识网络设备的地址。算法确定树数据结构中的地址和第一前缀匹配到第一前缀的第一掩码长度。如果存在匹配，该算法将第一前缀保持在临时存储位置，并且确定树数据结构中的地址和第二前缀是否匹配到第二前缀的第二掩码长度，其中第二前缀的外部节点前缀链接在第一前缀的外部节点的下方，并且其中第二掩码长度比第一掩码长度长。如果地址和第二个前缀匹配到第二个前缀的掩码长度，则该算法将第二个前缀保持为地址的更好的匹配。

9. 发明授权

US07031388B2 System for and method of sharpness enhancement for coded digital video 失效
公开(公告)号：US07031388B2
公开(公告)日：2006-04-18
申请号：US10139175
申请日：2002-05-06
申请人： Yibin Yang , Lilla Boroczky
发明人： Yibin Yang , Lilla Boroczky
IPC分类号： H04N1/66
CPC分类号： G06T5/003 , G06T5/20 , G06T2207/10016 , H04N19/117 , H04N19/139 , H04N19/14 , H04N19/142 , H04N19/159 , H04N19/162 , H04N19/176 , H04N19/182 , H04N19/86
摘要： A method and system for calculating a UME for each pixel in a frame of video data. A system for enhancing sharpness of a coded digital video signal representative a frame of block-based data is provided, comprising: a system for calculating a UME of each pixel in the frame in accordance with a frame type, wherein the calculating system includes: a mechanism that defines local spatial features in the frame; a mechanism that analyzes block-based motion estimation for the frame; a mechanism that detects a scene change in the frame; and a sharpness enhancer that improves sharpness to a decoded version of the digital video signal based on said UME.

10. 发明授权

US09374298B2 Grace state and pacing in link aggregation 有权
标题翻译： Grace状态和起搏在链路聚合
公开(公告)号：US09374298B2
公开(公告)日：2016-06-21
申请号：US13466657
申请日：2012-05-08
申请人： Chia Alex Tsai , Yuchen Zhou , Rajagopalan Janakiraman , Yibin Yang
发明人： Chia Alex Tsai , Yuchen Zhou , Rajagopalan Janakiraman , Yibin Yang
IPC分类号： H04L12/709 , H04L12/703
CPC分类号： H04L45/245 , H04L45/28 , Y02D50/30
摘要： In one embodiment, one or more indicia of stress are monitored. Based on the one or more indicia of stress, it is determined a stress condition exists. In response to the stress condition, one or more link aggregation actors and partners are caused to enter a grace state for a grace period. While the one or more link aggregation actors and partners are in the grace state, link aggregation formation is paced on a plurality of links by delaying formation of one or more new link aggregation groups on the plurality of links until a hold is released. Upon expiration of the grace period, the grace state is exited.
摘要翻译：在一个实施例中，监视一个或多个应力标记。基于一个或多个应力标记，确定存在应力条件。为了应对压力情况，一个或多个链路聚合行为者和伙伴被引入宽限期的宽限期。当一个或多个链路聚合参与者和伙伴处于宽限期状态时，通过延迟多个链路上的一个或多个新的链路聚合组的形成直到释放保持，在多个链路上进行链路聚合形成。在宽限期结束时，退出恩典状态。

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