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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
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。
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公开(公告)号：US20130287038A1
公开(公告)日：2013-10-31
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： H04L12/56
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。
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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
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。
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4.发明授权公开(公告)号：US08989049B2
公开(公告)日：2015-03-24
申请号：US13524565
申请日：2012-06-15
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。
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5.发明申请SYSTEM AND METHOD FOR VIRTUAL PORTCHANNEL LOAD BALANCING IN A TRILL NETWORK 有权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
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。
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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
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。
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