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公开(公告)号：US09544219B2
公开(公告)日：2017-01-10
申请号：US14815487
申请日：2015-07-31
发明人： Chi Lung Chong , Ganesh D. Venkata
IPC分类号： H04L12/28 , H04L12/751 , G06F9/455 , H04L12/46 , H04L29/12
CPC分类号： H04L45/02 , G06F9/455 , G06F9/45558 , G06F2009/45595 , H04L12/465 , H04L61/2038 , H04L61/6022
摘要： One embodiment of the present invention provides a switch in a network of interconnected switches. The switch includes a forwarding domain apparatus and a forwarding apparatus. The forwarding domain apparatus maintains a mapping between a first virtual local area network (VLAN) identifier and a first global VLAN identifier in a local storage device. The global VLAN identifier represents a layer-2 forwarding domain in the network and is distinct from a customer VLAN or a service-provider VLAN. The mapping is independent of a type of the VLAN identifier. During operation, the forwarding apparatus encapsulates a first packet belonging to the first VLAN in a network encapsulation header. The encapsulated packet is forwardable in the network based on the network encapsulation header. The forwarding apparatus includes the first global VLAN identifier in the network encapsulation header of the first packet.
摘要翻译： 本发明的一个实施例提供了一种互连交换机网络中的交换机。 交换机包括转发域设备和转发设备。 转发域装置维护本地存储设备中的第一虚拟局域网（VLAN）标识符和第一全局VLAN标识符之间的映射。 全局VLAN标识符表示网络中的二层转发域，与客户VLAN或服务提供商VLAN不同。 该映射与VLAN标识符的类型无关。 在操作期间，转发设备将属于第一VLAN的第一个分组封装在网络封装报头中。 封装的分组可以基于网络封装头在网络中转发。 转发装置在第一分组的网络封装报头中包括第一全局VLAN标识符。
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公开(公告)号：US09350680B2
公开(公告)日：2016-05-24
申请号：US14151693
申请日：2014-01-09
发明人： Prabu Thayalan , Ganesh D. Venkata
IPC分类号： H04L1/00 , H04L12/891 , H04L12/803
CPC分类号： H04L49/25 , H04L12/4633 , H04L47/125 , H04L47/41 , H04L61/6022 , Y02D50/30
摘要： One embodiment of the present invention provides a switch. The switch comprises one or more ports and a link management module. The link management module operates a first aggregate link group as an active aggregate link group of a protected virtual link aggregation. This protected virtual link aggregation operates as a single logical channel. An aggregate link group comprises a plurality of logically aggregated links. The first aggregate link group, which represents the logical channel, comprises at least a first port of the one or more ports of the switch. The link management module also operates a second aggregate link group of the protected virtual link aggregation as a standby for the first aggregate link group. The second aggregate link group comprises at least a second port of the one or more ports of the switch. Forwarding is enabled via the first port and disabled via the second port.
摘要翻译： 本发明的一个实施例提供一种开关。 交换机包括一个或多个端口和链路管理模块。 链路管理模块操作第一聚合链路组作为受保护虚拟链路聚合的活动聚合链路组。 此受保护的虚拟链路聚合作为单个逻辑信道工作。 聚合链路组包括多个逻辑聚合链路。 表示逻辑信道的第一聚合链路组包括交换机的一个或多个端口的至少第一端口。 链路管理模块还将受保护的虚拟链路聚合的第二聚合链路组作为第一聚合链路组的备用。 第二聚合链路组包括交换机的一个或多个端口的至少第二端口。 通过第一个端口启用转发，并通过第二个端口禁用转发。
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公开(公告)号：US20140198656A1
公开(公告)日：2014-07-17
申请号：US14156374
申请日：2014-01-15
IPC分类号： H04L12/803 , H04L12/709
CPC分类号： H04L47/125 , H04L45/245 , H04L45/30
摘要： One embodiment of the present invention provides a switch. The switch comprises a plurality of ports, a link management module, a forwarding module, and a link adaptation module. The link management module operates at least two ports of the plurality of ports of the switch to form a link aggregation. This link aggregation operates as a single logical channel. The forwarding module determines an egress port for a packet among the ports participating in the link aggregation based on a distribution policy. The link adaptation module detects an imbalance of the respective link utilizations among links of the link aggregation based on one or more imbalance criteria, and applies one or more corrective actions to the distribution policy.
摘要翻译： 本发明的一个实施例提供一种开关。 交换机包括多个端口，链路管理模块，转发模块和链路适配模块。 链路管理模块操作交换机的多个端口中的至少两个端口以形成链路聚合。 此链路聚合作为单个逻辑信道运行。 转发模块基于分发策略确定参与链路聚合的端口中的分组的出口端口。 链路自适应模块基于一个或多个不平衡标准来检测链路聚合的链路中各个链路利用率的不平衡，并对分发策略应用一个或多个纠正措施。
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公开(公告)号：US20170134266A1
公开(公告)日：2017-05-11
申请号：US15411716
申请日：2017-01-20
发明人： Ganesh D. Venkata , Amit Gupta , Prabu Thayalan , Vardarajan Venkatesh , Mythilikanth Raman , Selvam Muthiah
IPC分类号： H04L12/753 , H04L12/751
CPC分类号： H04L45/48 , H04L12/462 , H04L45/02 , H04L49/70
摘要： One embodiment of the present invention provides a switch. The switch includes a packet processor and a spanning tree management module. The packet processor obtains information associated with a spanning tree from a message. The spanning tree management module, in response to the obtained information being superior to locally available information of the spanning tree, determines the port role of a local port of the switch for the spanning tree to be the root port and the port state of the local port for the spanning tree to be blocking.
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公开(公告)号：US09565113B2
公开(公告)日：2017-02-07
申请号：US14156374
申请日：2014-01-15
IPC分类号： H04L12/891 , H04L12/803 , H04L12/725 , H04L12/709
CPC分类号： H04L47/125 , H04L45/245 , H04L45/30
摘要： One embodiment of the present invention provides a switch. The switch comprises a plurality of ports, a link management module, a forwarding module, and a link adaptation module. The link management module operates at least two ports of the plurality of ports of the switch to form a link aggregation. This link aggregation operates as a single logical channel. The forwarding module determines an egress port for a packet among the ports participating in the link aggregation based on a distribution policy. The link adaptation module detects an imbalance of the respective link utilizations among links of the link aggregation based on one or more imbalance criteria, and applies one or more corrective actions to the distribution policy.
摘要翻译： 本发明的一个实施例提供一种开关。 交换机包括多个端口，链路管理模块，转发模块和链路适配模块。 链路管理模块操作交换机的多个端口中的至少两个端口以形成链路聚合。 此链路聚合作为单个逻辑信道运行。 转发模块基于分发策略确定参与链路聚合的端口中的分组的出口端口。 链路自适应模块基于一个或多个不平衡标准来检测链路聚合的链路中各个链路利用率的不平衡，并对分发策略应用一个或多个纠正措施。
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公开(公告)号：US09565099B2
公开(公告)日：2017-02-07
申请号：US14192751
申请日：2014-02-27
发明人： Ganesh D. Venkata , Amit Gupta , Prabu Thayalan , Vardarajan Venkatesh , Mythilikanth Raman , Selvam Muthiah
IPC分类号： H04L12/28 , H04L12/56 , H04L12/753 , H04L12/46 , H04L12/931
CPC分类号： H04L45/48 , H04L12/462 , H04L45/02 , H04L49/70
摘要： One embodiment of the present invention provides a switch. The switch includes a packet processor and a spanning tree management module. The packet processor obtains information associated with a spanning tree from a message. The spanning tree management module, in response to the obtained information being superior to locally available information of the spanning tree, determines the port role of a local port of the switch for the spanning tree to be the root port and the port state of the local port for the spanning tree to be blocking.
摘要翻译： 本发明的一个实施例提供一种开关。 交换机包括分组处理器和生成树管理模块。 分组处理器从消息中获取与生成树相关联的信息。 生成树管理模块响应于获得的优于生成树的本地可用信息的信息，将生成树的本地端口的端口角色确定为根端口和本地端口状态 生成树的端口被阻塞。
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公开(公告)号：US20160255018A1
公开(公告)日：2016-09-01
申请号：US15151193
申请日：2016-05-10
发明人： Prabu Thayalan , Ganesh D. Venkata
IPC分类号： H04L12/947 , H04L12/46 , H04L29/12 , H04L12/891
CPC分类号： H04L49/25 , H04L12/4633 , H04L47/125 , H04L47/41 , H04L61/6022 , Y02D50/30
摘要： One embodiment of the present invention provides a switch. The switch comprises one or more ports and a link management module. The link management module operates a first aggregate link group as an active aggregate link group of a protected virtual link aggregation. This protected virtual link aggregation operates as a single logical channel. An aggregate link group comprises a plurality of logically aggregated links. The first aggregate link group, which represents the logical channel, comprises at least a first port of the one or more ports of the switch. The link management module also operates a second aggregate link group of the protected virtual link aggregation as a standby for the first aggregate link group. The second aggregate link group comprises at least a second port of the one or more ports of the switch. Forwarding is enabled via the first port and disabled via the second port.
摘要翻译： 本发明的一个实施例提供一种开关。 交换机包括一个或多个端口和链路管理模块。 链路管理模块操作第一聚合链路组作为受保护虚拟链路聚合的活动聚合链路组。 此受保护的虚拟链路聚合作为单个逻辑信道工作。 聚合链路组包括多个逻辑聚合链路。 表示逻辑信道的第一聚合链路组包括交换机的一个或多个端口的至少第一端口。 链路管理模块还将受保护的虚拟链路聚合的第二聚合链路组作为第一聚合链路组的备用。 第二聚合链路组包括交换机的一个或多个端口的至少第二端口。 通过第一个端口启用转发，并通过第二个端口禁用转发。
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公开(公告)号：US09660939B2
公开(公告)日：2017-05-23
申请号：US15151193
申请日：2016-05-10
发明人： Prabu Thayalan , Ganesh D. Venkata
IPC分类号： H04L12/28 , H04L12/947 , H04L12/891 , H04L12/803 , H04L12/46 , H04L29/12
CPC分类号： H04L49/25 , H04L12/4633 , H04L47/125 , H04L47/41 , H04L61/6022 , Y02D50/30
摘要： One embodiment of the present invention provides a switch. The switch comprises one or more ports and a link management module. The link management module operates a first aggregate link group as an active aggregate link group of a protected virtual link aggregation. This protected virtual link aggregation operates as a single logical channel. An aggregate link group comprises a plurality of logically aggregated links. The first aggregate link group, which represents the logical channel, comprises at least a first port of the one or more ports of the switch. The link management module also operates a second aggregate link group of the protected virtual link aggregation as a standby for the first aggregate link group. The second aggregate link group comprises at least a second port of the one or more ports of the switch. Forwarding is enabled via the first port and disabled via the second port.
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公开(公告)号：US20160036774A1
公开(公告)日：2016-02-04
申请号：US14815487
申请日：2015-07-31
发明人： Chi Lung Chong , Ganesh D. Venkata
IPC分类号： H04L29/12 , H04L12/751 , H04L12/741
CPC分类号： H04L45/02 , G06F9/455 , G06F9/45558 , G06F2009/45595 , H04L12/465 , H04L61/2038 , H04L61/6022
摘要： One embodiment of the present invention provides a switch in a network of interconnected switches. The switch includes a forwarding domain apparatus and a forwarding apparatus. The forwarding domain apparatus maintains a mapping between a first virtual local area network (VLAN) identifier and a first global VLAN identifier in a local storage device. The global VLAN identifier represents a layer-2 forwarding domain in the network and is distinct from a customer VLAN or a service-provider VLAN. The mapping is independent of a type of the VLAN identifier. During operation, the forwarding apparatus encapsulates a first packet belonging to the first VLAN in a network encapsulation header. The encapsulated packet is forwardable in the network based on the network encapsulation header. The forwarding apparatus includes the first global VLAN identifier in the network encapsulation header of the first packet.
摘要翻译： 本发明的一个实施例提供了一种互连交换机网络中的交换机。 交换机包括转发域设备和转发设备。 转发域装置维护本地存储设备中的第一虚拟局域网（VLAN）标识符和第一全局VLAN标识符之间的映射。 全局VLAN标识符表示网络中的二层转发域，与客户VLAN或服务提供商VLAN不同。 该映射与VLAN标识符的类型无关。 在操作期间，转发设备将属于第一VLAN的第一个分组封装在网络封装报头中。 封装的分组可以基于网络封装头在网络中转发。 转发装置在第一分组的网络封装报头中包括第一全局VLAN标识符。
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公开(公告)号：US20140247754A1
公开(公告)日：2014-09-04
申请号：US14192751
申请日：2014-02-27
发明人： Ganesh D. Venkata , Amit Gupta , Prabu Thayalan , Vardarajan Venkatesh , Mythilikanth Raman , Selvam Muthiah
IPC分类号： H04L12/753
CPC分类号： H04L45/48 , H04L12/462 , H04L45/02 , H04L49/70
摘要： One embodiment of the present invention provides a switch. The switch includes a packet processor and a spanning tree management module. The packet processor obtains information associated with a spanning tree from a message. The spanning tree management module, in response to the obtained information being superior to locally available information of the spanning tree, determines the port role of a local port of the switch for the spanning tree to be the root port and the port state of the local port for the spanning tree to be blocking.
摘要翻译： 本发明的一个实施例提供一种开关。 交换机包括分组处理器和生成树管理模块。 分组处理器从消息中获取与生成树相关联的信息。 生成树管理模块响应于获得的优于生成树的本地可用信息的信息，将生成树的本地端口的端口角色确定为根端口和本地端口状态 生成树的端口被阻塞。
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