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1. 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。

2. 发明授权

US08861403B2 Interconnecting segmented layer two network for cloud switching 有权
标题翻译：互连分层二层网络进行云交换
公开(公告)号：US08861403B2
公开(公告)日：2014-10-14
申请号：US13421572
申请日：2012-03-15
申请人： Alex Tsai , Yibin Yang , Debashis Patnala Rao
发明人： Alex Tsai , Yibin Yang , Debashis Patnala Rao
IPC分类号： H04L12/28 , H04L12/46 , H04L12/44 , H04L12/24
CPC分类号： H04L12/462 , H04L12/44 , H04L41/0803 , H04L49/15 , H04L49/602
摘要： In one embodiment, a layer-2 network that includes a cloud switch is partitioned into a plurality of segments, each segment including one or more cloud switch domains that are coupled via a logical port to a corresponding one of a plurality of internal logical shared media links. One of the internal logical shared media links is provisioned as a hub. One or more remaining internal logical shared media links are defaulted to be spokes. A spanning tree protocol (STP) is executed within each segment. The logical port of each cloud switch domain advertises a pseudo root bridge identifier (ID) to cause the internal logical shared media link to appear attached to a Root. The advertised pseudo root bridge ID of the hub is chosen to have a higher priority than the pseudo root bridge ID of the spokes to establish a hub and spoke relationship among the segments.
摘要翻译：在一个实施例中，包括云交换机的第2层网络被划分成多个段，每个段包括经由逻辑端口耦合到多个内部逻辑共享介质中的相应一个的一个或多个云交换域链接。内部逻辑共享媒体链接之一被配置为集线器。一个或多个剩余的内部逻辑共享媒体链接默认为轮辐。在每个段内执行生成树协议（STP）。每个云交换机域的逻辑端口通告伪根桥标识符（ID），以使内部逻辑共享媒体链路显示附加到根。所选择的轮询的伪根桥ID被选择为具有比轮辐的伪根桥ID更高的优先级，以在段之间建立轮毂和轮辐关系。

3. 发明授权

US08989049B2 System and method for virtual portchannel load balancing in a trill network 有权
标题翻译：用于虚拟端口信道负载均衡的系统和方法
公开(公告)号：US08989049B2
公开(公告)日：2015-03-24
申请号：US13524565
申请日：2012-06-15
申请人： Yibin Yang , Alex Tsai , Rajagopalan Janakiraman , Vinay V. Parameswarannair
发明人： Yibin Yang , Alex Tsai , Rajagopalan Janakiraman , Vinay V. Parameswarannair
IPC分类号： H04L12/56 , H04L12/26 , H04L12/709 , H04L12/803 , H04L12/46
CPC分类号： H04L45/245 , H04L12/462 , H04L47/125
摘要： An example method includes storing a portion of virtual PortChannel (vPC) information in a TRansparent Interconnect of Lots of Links network environment, deriving, from the portion of vPC information, a physical nickname of an edge switch to which a frame can be forwarded, and rewriting an egress nickname in a TRILL header of the frame with the physical nickname. In example embodiments, the vPC information can include respective vPC virtual nicknames, EtherChannel hash algorithms, hash values, and physical nicknames of edge switches associated with vPCs in the network environment. In some embodiments, the portion of vPC information can be derived from an Interested vPC Type Length Value (TLV) information of an Intermediate System to Intermediate System (IS-IS) routing protocol data unit (PDU).
摘要翻译：一个示例性方法包括将虚拟PortChannel（vPC）信息的一部分存储在多个链路网络环境的跨平台互连中，从vPC信息的一部分导出可以转发到帧的边缘交换机的物理昵称，以及在具有物理昵称的框架的TRILL标题中重写出口昵称。在示例实施例中，vPC信息可以包括与网络环境中的vPC相关联的边缘交换机的相应vPC虚拟昵称，以太通道散列算法，散列值和物理昵称。在一些实施例中，vPC信息的部分可以从中间系统到中间系统（IS-IS）路由协议数据单元（PDU）的有兴趣的vPC类型长度值（TLV）信息导出。

4. 发明授权

US08717944B2 TRILL optimal forwarding and traffic engineered multipathing in cloud switching 有权
标题翻译： TRILL在云交换中的最佳转发和流量设计多路径
公开(公告)号：US08717944B2
公开(公告)日：2014-05-06
申请号：US13593190
申请日：2012-08-23
申请人： Chia Alex Tsai , Yibin Yang , Minjie Lin , Yuchen Zhou , Weng Hong Chan
发明人： Chia Alex Tsai , Yibin Yang , Minjie Lin , Yuchen Zhou , Weng Hong Chan
IPC分类号： H04L12/28
CPC分类号： H04L49/201 , H04L45/12 , H04L45/48 , H04L45/66 , H04L49/65
摘要： In one embodiment, a plurality of leaf switches that include host facing ports are configured as a cloud switch. An indication of connectivity between the leaf switches of the cloud switch and routing bridges (RBridges) external to the cloud switch may be added to link state packets (LSPs) sent over the at least one logical shared media link. A lookup table may be generated that specifies next hop leaf switches. The generated lookup table may be used to forward frames to one or more particular nexthop leaf switches. Further, traffic engineering parameters may be collected. Equal cost multipath (ECMP) nexthop leaf switches and distribution trees to reach one or more destinations may be examined. Traffic may be distributed across ones of them based on the traffic engineering parameters.
摘要翻译：在一个实施例中，包括主机面向端口的多个叶片交换机被配置为云交换机。可以将云交换机的叶交换机和云交换机外部的路由网桥（RBridge）之间的连接性的指示添加到通过至少一个逻辑共享媒体链路发送的链路状态分组（LSP）。可以生成一个指定下一跳叶切换的查找表。生成的查找表可以用于将帧转发到一个或多个特定的下一页叶开关。此外，可以收集交通工程参数。可以检查等成本多路径（ECMP）下一叶叶开关和分布树到达一个或多个目的地。流量可以根据流量工程参数分布在其中。

5. 发明申请

US20140056178A1 TRILL OPTIMAL FORWARDING AND TRAFFIC ENGINEERED MULTIPATHING IN CLOUD SWITCHING 有权
标题翻译：挖掘云端开关中的最佳前向和交通工程多路径
公开(公告)号：US20140056178A1
公开(公告)日：2014-02-27
申请号：US13593190
申请日：2012-08-23
申请人： Chia Alex Tsai , Yibin Yang , Minjie Lin , Yuchen Zhou , Weng Hong Chan
发明人： Chia Alex Tsai , Yibin Yang , Minjie Lin , Yuchen Zhou , Weng Hong Chan
IPC分类号： H04L12/28
CPC分类号： H04L49/201 , H04L45/12 , H04L45/48 , H04L45/66 , H04L49/65
摘要： In one embodiment, a plurality of leaf switches that include host facing ports are configured as a cloud switch. An indication of connectivity between the leaf switches of the cloud switch and routing bridges (RBridges) external to the cloud switch may be added to link state packets (LSPs) sent over the at least one logical shared media link. A lookup table may be generated that specifies next hop leaf switches. The generated lookup table may be used to forward frames to one or more particular nexthop leaf switches. Further, traffic engineering parameters may be collected. Equal cost multipath (ECMP) nexthop leaf switches and distribution trees to reach one or more destinations may be examined. Traffic may be distributed across ones of them based on the traffic engineering parameters.
摘要翻译：在一个实施例中，包括主机面向端口的多个叶片交换机被配置为云交换机。可以将云交换机的叶交换机和云交换机外部的路由网桥（RBridge）之间的连接性的指示添加到通过至少一个逻辑共享媒体链路发送的链路状态分组（LSP）。可以生成一个指定下一跳叶切换的查找表。生成的查找表可以用于将帧转发到一个或多个特定的下一页叶开关。此外，可以收集交通工程参数。可以检查等成本多路径（ECMP）下一叶叶开关和分布树到达一个或多个目的地。流量可以根据流量工程参数分布在其中。

6. 发明申请

US20130336164A1 SYSTEM AND METHOD FOR VIRTUAL PORTCHANNEL LOAD BALANCING IN A TRILL NETWORK 有权
标题翻译：系统和方法在虚拟网络中的虚拟端口平衡负载平衡
公开(公告)号：US20130336164A1
公开(公告)日：2013-12-19
申请号：US13524565
申请日：2012-06-15
申请人： Yibin Yang , Alex Tsai , Rajagopalan Janakiraman , Vinay V. Parameswarannair
发明人： Yibin Yang , Alex Tsai , Rajagopalan Janakiraman , Vinay V. Parameswarannair
IPC分类号： H04L12/56 , H04L12/44
CPC分类号： H04L45/245 , H04L12/462 , H04L47/125
摘要： An example method includes storing a portion of virtual PortChannel (vPC) information in a TRansparent Interconnect of Lots of Links network environment, deriving, from the portion of vPC information, a physical nickname of an edge switch to which a frame can be forwarded, and rewriting an egress nickname in a TRILL header of the frame with the physical nickname. In example embodiments, the vPC information can include respective vPC virtual nicknames, EtherChannel hash algorithms, hash values, and physical nicknames of edge switches associated with vPCs in the network environment. In some embodiments, the portion of vPC information can be derived from an Interested vPC Type Length Value (TLV) information of an Intermediate System to Intermediate System (IS-IS) routing protocol data unit (PDU).
摘要翻译：一个示例性方法包括将虚拟PortChannel（vPC）信息的一部分存储在多个链路网络环境的跨平台互连中，从vPC信息的一部分导出可以转发到帧的边缘交换机的物理昵称，以及在具有物理昵称的框架的TRILL标题中重写出口昵称。在示例实施例中，vPC信息可以包括与网络环境中的vPC相关联的边缘交换机的相应vPC虚拟昵称，以太通道散列算法，散列值和物理昵称。在一些实施例中，vPC信息的部分可以从中间系统到中间系统（IS-IS）路由协议数据单元（PDU）的有兴趣的vPC类型长度值（TLV）信息导出。

7. 发明申请

US20130242757A1 INTERCONNECTING SEGMENTED LAYER TWO NETWORK FOR CLOUD SWITCHING 有权
标题翻译：互连分层两层网络进行云交换
公开(公告)号：US20130242757A1
公开(公告)日：2013-09-19
申请号：US13421572
申请日：2012-03-15
申请人： Alex Tsai , Yibin Yang , Debashis Patnala Rao
发明人： Alex Tsai , Yibin Yang , Debashis Patnala Rao
IPC分类号： H04L12/28 , H04L12/26 , H04L12/56
CPC分类号： H04L12/462 , H04L12/44 , H04L41/0803 , H04L49/15 , H04L49/602
摘要： In one embodiment, a layer-2 network that includes a cloud switch is partitioned into a plurality of segments, each segment including one or more cloud switch domains that are coupled via a logical port to a corresponding one of a plurality of internal logical shared media links. One of the internal logical shared media links is provisioned as a hub. One or more remaining internal logical shared media links are defaulted to be spokes. A spanning tree protocol (STP) is executed within each segment. The logical port of each cloud switch domain advertises a pseudo root bridge identifier (ID) to cause the internal logical shared media link to appear attached to a Root. The advertised pseudo root bridge ID of the hub is chosen to have a higher priority than the pseudo root bridge ID of the spokes to establish a hub and spoke relationship among the segments.
摘要翻译：在一个实施例中，包括云交换机的第2层网络被划分成多个段，每个段包括经由逻辑端口耦合到多个内部逻辑共享介质中的相应一个的一个或多个云交换域链接。内部逻辑共享媒体链接之一被配置为集线器。一个或多个剩余的内部逻辑共享媒体链接默认为轮辐。在每个段内执行生成树协议（STP）。每个云交换机域的逻辑端口通告伪根桥标识符（ID），以使内部逻辑共享媒体链路显示附加到根。所选择的轮询的伪根桥ID被选择为具有比轮辐的伪根桥ID更高的优先级，以在段之间建立轮毂和轮辐关系。

8. 发明授权

US09270579B2 Synchronization of traffic multiplexing in link aggregation 有权
标题翻译：流量复用在链路聚合中的同步
公开(公告)号：US09270579B2
公开(公告)日：2016-02-23
申请号：US13458838
申请日：2012-04-27
申请人： Yuchen Zhou , Richard Stewart , Alex Tsai , Yibin Yang
发明人： Yuchen Zhou , Richard Stewart , Alex Tsai , Yibin Yang
IPC分类号： H04L12/28 , H04L12/56 , H04L12/709 , H04L12/707 , H04L29/06 , H04L12/751
CPC分类号： H04L69/28 , H04L45/02 , H04L45/24 , H04L45/245 , H04L69/14 , Y02D50/30
摘要： Synchronization of traffic multiplexing in link aggregation is described. In an embodiment, a first link aggregator and a second link aggregator are associated with a plurality of links. The first link aggregator maintains an identifier for each link indicating at least a state of enabled or disabled. A synchronized clock is established between the first link aggregator and the second link aggregator. A particular link of the plurality of links is transitioned. Wherein, the transitioning is performed by the first link aggregator sending, to the second link aggregator, a first message identifying a particular time to transition the particular link. The first link aggregator receives, from the second link aggregator, a second message indicating that the particular time is acceptable. In response to a determination that the second message indicates that the particular time is acceptable and that the synchronized clock has reached the particular time, transitioning the link.
摘要翻译：描述了流量复用在链路聚合中的同步。在一个实施例中，第一链路聚合器和第二链路聚合器与多个链路相关联。第一链路聚合器维护每个链路的标识符，指示至少一个启用或禁用的状态。在第一链路聚合器和第二链路聚合器之间建立同步时钟。多个链接的特定链接被转换。其中，由第一链路聚合器向第二链路聚合器发送标识转换特定链路的特定时间的第一消息来执行转换。第一链路聚合器从第二链路聚合器接收指示特定时间是可接受的第二消息。响应于第二消息指示特定时间是可接受的并且同步时钟已经到达特定时间的确定，转换链接。

9. 发明授权

US08942089B2 Method and apparatus for adaptive fast start in link aggregation 有权
标题翻译：链路聚合中自适应快速启动的方法和装置
公开(公告)号：US08942089B2
公开(公告)日：2015-01-27
申请号：US13466715
申请日：2012-05-08
申请人： Yuchen Zhou , Chia Alex Tsai , Yibin Yang , Rajagopalan Janakiraman
发明人： Yuchen Zhou , Chia Alex Tsai , Yibin Yang , Rajagopalan Janakiraman
IPC分类号： G06F11/00 , H04L12/26
CPC分类号： H04L47/28 , H04L43/0852 , H04L45/245 , H04L47/12 , H04L47/30 , H04L47/323 , Y02D50/30
摘要： In one embodiment, a period between periodic transmissions of protocol data units (PDUs) used to form or maintain a link aggregation group is initially set to a fixed value. When a stress condition is detected, the period between periodic transmissions of PDUs is increased from the initial value. When the stress condition is determined to have eased, the period between periodic transmissions of PDUs is reduced back toward the fixed value.
摘要翻译：在一个实施例中，用于形成或维护链路聚合组的协议数据单元（PDU）的周期性传输之间的周期被初始设置为固定值。当检测到应力条件时，PDU的周期性传输之间的周期从初始值增加。当应力条件被确定为缓解时，PDU的周期性传输之间的时间间隔减小到固定值。

10. 发明申请

US20130301427A1 GRACE STATE AND PACING IN LINK AGGREGATION 有权
标题翻译：联系聚合中的状态和状态
公开(公告)号：US20130301427A1
公开(公告)日：2013-11-14
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： H04L12/26
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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