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1. 发明授权

US09992100B2 System and method for multicast routing using peer groups 有权
公开(公告)号：US09992100B2
公开(公告)日：2018-06-05
申请号：US15615621
申请日：2017-06-06
申请人： DELL PRODUCTS L.P.
发明人： Mukesh Moopath Velayudhan , Mohnish Anumala , Maheshwara Hampasagar , Jeyanth Christopher , Senthil Nathan Muthukaruppan
IPC分类号： H04L12/761 , H04L12/18 , H04L12/775 , H04L12/751 , H04L12/773
CPC分类号： H04L45/16 , H04L12/185 , H04L45/02 , H04L45/58 , H04L45/60
摘要： A system and method for multicast routing using peer groups includes a router. The router includes a control unit and a memory coupled to the control unit. The memory stores one or more first multicast routing entries. The control unit is configured to receive a multicast packet on an input interface, determine one or more properties of the multicast packet, determine one or more output interfaces based on the properties and the first multicast routing entries, and forward copies of the multicast packet on each of the output interfaces. The router is configured to be coupled to a peer router via an inter-chassis link (ICL). The first multicast routing entries include one or more second multicast routing entries associated with multicast routing trees associated with the router and one or more third multicast routing entries associated with multicast routing trees associated with the peer router.

2. 发明授权

US09722915B2 System and method for multicast routing using peer groups 有权
公开(公告)号：US09722915B2
公开(公告)日：2017-08-01
申请号：US14265242
申请日：2014-04-29
申请人： Dell Products L.P.
发明人： Mukesh Moopath Velayudhan , Mohnish Anumala , Maheshwara Hampasagar , Jeyanth Christopher , Senthil Nathan Muthukaruppan
IPC分类号： H04L12/761 , H04L12/18 , H04L12/775 , H04L12/773 , H04L12/751
CPC分类号： H04L45/16 , H04L12/185 , H04L45/02 , H04L45/58 , H04L45/60
摘要： A system and method for multicast routing using peer groups includes a router. The router includes a control unit and a memory coupled to the control unit. The memory stores one or more first multicast routing entries. The control unit is configured to receive a multicast packet on an input interface, determine one or more properties of the multicast packet, determine one or more output interfaces based on the properties and the first multicast routing entries, and forward copies of the multicast packet on each of the output interfaces. The router is configured to be coupled to a peer router via an inter-chassis link (ICL). The first multicast routing entries include one or more second multicast routing entries associated with multicast routing trees associated with the router and one or more third multicast routing entries associated with multicast routing trees associated with the peer router.

3. 发明授权

US09288105B2 N-node virtual link trunking (VLT) systems fault management 有权
标题翻译： N节点虚拟链路中继（VLT）系统故障管理
公开(公告)号：US09288105B2
公开(公告)日：2016-03-15
申请号：US14142362
申请日：2013-12-27
申请人： DELL PRODUCTS L.P.
发明人： Mohnish Anumala , Jeyasubramanian Irungola Pillai
IPC分类号： H04L12/28 , H04L12/24 , H04L12/709
CPC分类号： H04L45/245 , H04L12/4675 , H04L12/6418 , H04L41/0663 , H04L41/0668 , H04L41/083 , H04L41/12 , H04L45/02 , H04L45/04 , H04L45/16 , H04L45/48 , H04L45/586 , H04L47/15 , H04L49/25 , H04L49/354 , H04L49/70 , H04L69/324 , Y02D50/30
摘要： Aspects of the present invention include an N-Node virtual link trunking (VLT) system comprising a set of N nodes collectively provide a logical fabric-level view that is consistent across the set of N nodes. Embodiments of the N-Node VLT system comprise a control plane mechanism to provide Layer 2 multipathing between access network devices (switches or servers) and the core network. The N-Node VLT system provides a loop-free topology with active-active load-sharing of uplinks from access to the core. Accordingly, the N-Node VLT system eliminates the disadvantage of Spanning Tree Protocol (STP) (active-standby links) by allowing link aggregation group (LAG) terminations on multiple separate distribution or core switches and also supporting a loop-free topology. Additional benefits of an N-Node VLT system include, but are not limited to, higher resiliency, improved link utilization, and improved manageability of the network.
摘要翻译：本发明的方面包括包括一组N个节点的N节点虚拟链路中继（VLT）系统，共同地提供在所述N个节点集合中一致的逻辑体系级视图。 N节点VLT系统的实施例包括在接入网络设备（交换机或服务器）和核心网络之间提供第2层多路径的控制平面机制。 N节点VLT系统提供无环路拓扑，具有从接入到核心的上行链路的主动 - 主动负载共享。因此，N-Node VLT系统通过允许在多个分开的分配或核心交换机上的链路聚合组（LAG）终端并且还支持无环路拓扑来消除生成树协议（STP）（主备链路）的缺点。 N节点VLT系统的额外优点包括但不限于更高的弹性，改善的链路利用率和改进的网络的可管理性。

4. 发明申请

US20140341225A1 SYSTEM AND METHOD FOR FLEXIBLE SWITCHING FABRIC 有权
标题翻译：柔性开关织物的系统和方法
公开(公告)号：US20140341225A1
公开(公告)日：2014-11-20
申请号：US13893609
申请日：2013-05-14
申请人： DELL PRODUCTS L.P.
发明人： Krishnamurthy Subramanian , Mohnish Anumala , Geng Lin
IPC分类号： H04L12/933
CPC分类号： H04L49/10 , H04L49/356
摘要： A system and method for a flexible switching fabric includes a network switching device. The network switching device includes a plurality of connectors configured to couple the network switching device to other network devices, one or more front panel cards, each front panel card including one or more first ports and configured to forward network packets between the first ports, one or more fabric cards, each fabric card including one or more second ports and configured to forward network packets between the second ports, and a port multiplexing unit configured to flexibly couple the plurality of connectors to the one or more first ports and the one or more second ports to the one or more first ports. The flexible coupling between the one or more first ports and the plurality of connectors and the one or more second ports is determined based on a desired configuration for the network switching device.
摘要翻译：一种用于灵活交换结构的系统和方法包括网络交换设备。网络交换设备包括多个连接器，其被配置为将网络交换设备耦合到其他网络设备，一个或多个前面板卡，每个前面板卡包括一个或多个第一端口，并且被配置为在第一端口之间转发网络分组，一个或更多的织物卡，每个织物卡包括一个或多个第二端口并且被配置为在第二端口之间转发网络分组;以及端口多路复用单元，被配置为将多个连接器灵活地耦合到所述一个或多个第一端口，并且所述一个或多个第二端口到一个或多个第一端口。基于网络交换设备的期望配置来确定一个或多个第一端口与多个连接器与一个或多个第二端口之间的灵活耦合。

5. 发明授权

US09698995B2 Systems and methods for providing multicast routing in an overlay network 有权
公开(公告)号：US09698995B2
公开(公告)日：2017-07-04
申请号：US15136747
申请日：2016-04-22
申请人： Dell Products L.P.
发明人： Anoop Ghanwani , Krishnamurthy Subramanian , Mohnish Anumala , Shivakumar Sundaram , Pathangi Janardhanan
IPC分类号： H04L12/28 , H04L12/18 , G06F9/455 , H04L12/755 , H04L29/12 , H04L12/931 , G06F9/50
CPC分类号： H04L12/18 , G06F9/45558 , G06F9/5072 , G06F2009/45595 , H04L12/185 , H04L45/021 , H04L49/201 , H04L49/70 , H04L61/103
摘要： An information handling system is provided. The information handling system includes a first hypervisor running on a first host and a second hypervisor running on a second host. The first hypervisor managing a first virtual switch, and the second hypervisor managing a second virtual switch. The information handling system also includes a plurality of virtual machines (VMs), including a first VM, which is part of a first tenant, running on the first host, and a second VM, part of a second tenant, running on the second host. The first virtual switch has a mapping in memory that maps a customer-specific multicast IP address, used by the plurality of VMs to indicate a multicast group that includes VMs on the first and second tenants, to a global multicast IP address used by the first and second hosts.

6. 发明申请

US20160149759A1 N-NODE SYSTEMS AND METHODS FOR LINK AGGREGRATION GROUPS (LAG) 有权
标题翻译：链路聚合组（LAG）的N节点系统和方法
公开(公告)号：US20160149759A1
公开(公告)日：2016-05-26
申请号：US15009559
申请日：2016-01-28
申请人： DELL PRODUCTS L.P.
发明人： Mohnish Anumala , Anoop Ghanwani , Krishnamurthy Subramanian , Janardhanan Pathangi Narasimhan , Shivakumar Sundaram
IPC分类号： H04L12/24 , H04L12/709
CPC分类号： H04L41/083 , H04L12/18 , H04L41/0663 , H04L41/12 , H04L45/16 , H04L45/245 , H04L45/586 , Y02D50/30
摘要： Aspects of the present invention include an n-node link aggregation group (LAG) system comprising a set of N nodes collectively provide a logical fabric-level view that is consistent across the set of N nodes. Embodiments of the n-node system comprise a control plane mechanism to provide Layer 2 multipathing between access network devices and the core network. The n-node system provides a loop-free topology with active-active load-sharing of uplinks from access to the core.
摘要翻译：本发明的方面包括包括一组N个节点的n节点链路聚合组（LAG）系统共同提供在所述N个节点集合中一致的逻辑体系级视图。 n节点系统的实施例包括用于在接入网络设备和核心网络之间提供第2层多路径的控制平面机制。 n节点系统提供了一个无环路拓扑，具有从接入到核心的上行链路的主动 - 主动负载共享。

7. 发明授权

US09350558B2 Systems and methods for providing multicast routing in an overlay network 有权
标题翻译：在覆盖网络中提供组播路由的系统和方法
公开(公告)号：US09350558B2
公开(公告)日：2016-05-24
申请号：US13737919
申请日：2013-01-09
申请人： Dell Products L.P.
发明人： Anoop Ghanwani , Krishnamurthy Subramanian , Mohnish Anumala , Shivakumar Sundaram , Pathangi Janardhanan
IPC分类号： H04L12/28 , H04L12/18 , G06F9/455 , H04L12/931 , H04L12/755 , G06F9/50 , H04L29/12
CPC分类号： H04L12/18 , G06F9/45558 , G06F9/5072 , G06F2009/45595 , H04L12/185 , H04L45/021 , H04L49/201 , H04L49/70 , H04L61/103
摘要： An information handling system is provided. The information handling system includes a first hypervisor running on a first host and a second hypervisor running on a second host. The first hypervisor managing a first virtual switch, and the second hypervisor managing a second virtual switch. The information handling system also includes a plurality of virtual machines (VMs), including a first VM, which is part of a first tenant, running on the first host, and a second VM, part of a second tenant, running on the second host. The first virtual switch has a mapping in memory that maps a customer-specific multicast IP address, used by the plurality of VMs to indicate a multicast group that includes VMs on the first and second tenants, to a global multicast IP address used by the first and second hosts.
摘要翻译：提供信息处理系统。信息处理系统包括在第一主机上运行的第一虚拟机管理程序和在第二主机上运行的第二管理程序。管理第一虚拟交换机的第一管理程序，以及管理第二虚拟交换机的第二管理程序。信息处理系统还包括多个虚拟机（VM），其包括作为在第一主机上运行的第一租户的一部分的第一VM和在第二主机上运行的第二租户的第二VM 。所述第一虚拟交换机具有映射存储器中的映射，所述映射映射由所述多个VM使用的用户特定的多播IP地址，以将包括所述第一和第二租户的VM的多播组指示到所述第一和第二主机。

8. 发明申请

US20140192804A1 SYSTEMS AND METHODS FOR PROVIDING MULTICAST ROUTING IN AN OVERLAY NETWORK 有权
标题翻译：在覆盖网络中提供多播路由的系统和方法
公开(公告)号：US20140192804A1
公开(公告)日：2014-07-10
申请号：US13737919
申请日：2013-01-09
申请人： DELL PRODUCTS L.P.
发明人： Anoop Ghanwani , Krishnamurthy Subramanian , Mohnish Anumala , Shivakumar Sundaram , Pathangi Janardhanan
IPC分类号： H04L12/18 , G06F9/455
CPC分类号： H04L12/18 , G06F9/45558 , G06F9/5072 , G06F2009/45595 , H04L12/185 , H04L45/021 , H04L49/201 , H04L49/70 , H04L61/103
摘要： An information handling system is provided. The information handling system includes a first hypervisor running on a first host and a second hypervisor running on a second host. The first hypervisor managing a first virtual switch, and the second hypervisor managing a second virtual switch. The information handling system also includes a plurality of virtual machines (VMs), including a first VM, which is part of a first tenant, running on the first host, and a second VM, part of a second tenant, running on the second host. The first virtual switch has a mapping in memory that maps a customer-specific multicast IP address, used by the plurality of VMs to indicate a multicast group that includes VMs on the first and second tenants, to a global multicast IP address used by the first and second hosts.
摘要翻译：提供信息处理系统。信息处理系统包括在第一主机上运行的第一虚拟机管理程序和在第二主机上运行的第二管理程序。管理第一虚拟交换机的第一管理程序，以及管理第二虚拟交换机的第二管理程序。信息处理系统还包括多个虚拟机（VM），其包括作为在第一主机上运行的第一租户的一部分的第一VM和在第二主机上运行的第二租户的第二VM 。所述第一虚拟交换机具有映射存储器中的映射，所述映射映射由所述多个VM使用的用户特定的多播IP地址，以将包括所述第一和第二租户的VM的多播组指示到所述第一和第二主机。

9. 发明授权

US10313180B2 Systems and methods for managing switching devices in an information handling system 有权
公开(公告)号：US10313180B2
公开(公告)日：2019-06-04
申请号：US13800875
申请日：2013-03-13
申请人： Dell Products L.P.
发明人： Mohnish Anumala
IPC分类号： H04L1/00 , H04L12/24
摘要： Systems and methods are provided that allow for the management of switching devices in an information handling system without having to access the switching device. An information handling system as provided herein includes at least one switching device and a controlling device in communication with the at least one switching device. The controlling device includes a network interface component configured to receive a request from the at least one switching device, and one or more processors. The one or more processors are configured to provide configuration settings and an operating system to the at least one switching device in response to the received request, record network traffic of the at least one switching device, provide the recorded traffic to an analytics engine, and debug the at least one switching device based on information received from the analytics engine.

10. 发明授权

US09614727B2 N-node systems and methods for link aggregation groups (LAG) 有权
公开(公告)号：US09614727B2
公开(公告)日：2017-04-04
申请号：US15009559
申请日：2016-01-28
申请人： DELL PRODUCTS L.P.
发明人： Mohnish Anumala , Anoop Ghanwani , Krishnamurthy Subramanian , Janardhanan Pathangi Narasimhan , Shivakumar Sundaram
IPC分类号： H04L12/28 , H04L12/24 , H04L12/709 , H04L12/713 , H04L12/18 , H04L12/761
CPC分类号： H04L41/083 , H04L12/18 , H04L41/0663 , H04L41/12 , H04L45/16 , H04L45/245 , H04L45/586 , Y02D50/30
摘要： Aspects of the present invention include an n-node link aggregation group (LAG) system comprising a set of N nodes collectively provide a logical fabric-level view that is consistent across the set of N nodes. Embodiments of the n-node system comprise a control plane mechanism to provide Layer 2 multipathing between access network devices and the core network. The n-node system provides a loop-free topology with active-active load-sharing of uplinks from access to the core.

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