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31. 发明授权

US09282026B2 System and method for improved routing in autonomous systems 有权
标题翻译：在自治系统中改进路由的系统和方法
公开(公告)号：US09282026B2
公开(公告)日：2016-03-08
申请号：US13793200
申请日：2013-03-11
申请人： Dell Products L.P.
发明人： Prasadu Beesabathina , Perumal NarayanaSwamy , Balaji Venkat Venkataswami
IPC分类号： H04L12/751 , H04L12/721 , H04L12/715
CPC分类号： H04L45/02 , H04L45/04 , H04L45/123 , H04L45/26
摘要： A system and method for improved routing in autonomous systems includes identifying one or more first edge routers for an autonomous system, selecting one or more second edge routers from the one or more first edge routers, determining a third edge router, forming a first edge router list including all of the one or more second edge routers except for the third edge router, forming a first reachability message, and transmitting the first reachability message. A first prefix is reachable using the one or more second edge routers. The third edge router is associated with a first path for reaching the first prefix. The third edge router is selected from the one or more second edge routers. The first path is a best path for reaching the first prefix. The reachability message includes the first prefix, information associated with the first path, and the first edge router list.
摘要翻译：一种用于在自主系统中改进路由的系统和方法包括识别用于自主系统的一个或多个第一边缘路由器，从所述一个或多个第一边缘路由器选择一个或多个第二边缘路由器，确定第三边缘路由器，形成第一边缘路由器列表，其包括除第三边缘路由器之外的所有一个或多个第二边缘路由器，形成第一可达性消息，以及发送第一可达性消息。使用一个或多个第二边缘路由器可访问第一前缀。第三边缘路由器与用于到达第一前缀的第一路径相关联。从第一边缘路由器选择第三边缘路由器。第一条路径是达到第一个前缀的最佳路径。可达性消息包括第一前缀，与第一路径相关联的信息和第一边缘路由器列表。

32. 发明授权

US09049031B2 Systems and methods for point to multipoint communication in networks using hybrid network devices 有权
标题翻译：使用混合网络设备的网络中点对多通信的系统和方法
公开(公告)号：US09049031B2
公开(公告)日：2015-06-02
申请号：US13801708
申请日：2013-03-13
申请人： Dell Products L.P.
发明人： Balaji Venkat Venkataswami , Bhargav Bhikkaji
IPC分类号： H04L12/18 , H04L12/26 , H04L12/753 , H04L12/761 , H04L12/24 , H04L12/723 , H04L12/931
CPC分类号： H04L12/18 , H04L12/1881 , H04L41/12 , H04L45/48 , H04L45/507 , H04L49/201
摘要： An information handling system is provided. The information handling system includes an ingress network device receiving a multicast stream from a coupled source device and a first and a second egress network device. The first and second egress network devices each receive the multicast stream for coupled destination devices. The information handling system also includes a plurality of intermediate network devices by which the ingress network device is coupled to the first and second egress network devices to form a network and further includes a network controller. The network controller has a topology of the network in a memory and forms a multicast tree based on the topology as well as a link load level and a multicast replication capacity associated with links to the first and second egress network devices and to each of the plurality of intermediate network devices.
摘要翻译：提供信息处理系统。信息处理系统包括从耦合的源设备和第一和第二出口网络设备接收组播流的入口网络设备。第一和第二出口网络设备各自接收用于耦合的目的地设备的多播流。信息处理系统还包括多个中间网络设备，通过该多个中间网络设备，入口网络设备被耦合到第一和第二出口网络设备以形成网络，并且还包括网络控制器。网络控制器在存储器中具有网络的拓扑，并且基于拓扑形成多播树，以及链路负载水平和与到第一和第二出口网络设备的链路相关联的多播复制能力，以及与多个的中间网络设备。

33. 发明授权

US09014007B2 VXLAN based multicasting systems having improved load distribution 有权
标题翻译：基于VXLAN的多播系统具有改进的负载分布
公开(公告)号：US09014007B2
公开(公告)日：2015-04-21
申请号：US13907762
申请日：2013-05-31
申请人： Dell Products L.P.
发明人： Bhargav Bhikkaji , Balaji Venkat Venkataswami
IPC分类号： H04L12/801 , H04L12/803
CPC分类号： H04L47/125 , H04L12/189 , H04L45/24 , H04L45/30 , H04L45/586
摘要： A virtual extensible local area network (“VXLAN”) system includes servers having VXLAN tunnel end points (“VTEP”) and virtual machines (“VMs”), multiple routers to transmit network data using bidirectional groups (“BIDIRs”) and rendezvous points (“RPs”), and an associated management and provisioning entity (“MPE”) adapted to arrange BIDIRs dynamically based upon network traffic such that traffic is more evenly distributed across the VXLAN. Some of the routers can be preconfigured as potential RPs, and the MPE can activate and deactivate these routers to and from RP status as needed. The MPE creates and rearranges BIDIRs based upon volume thresholds of traffic being reached in BIDIRs, such as by splitting overloaded BIDIRs. Network traffic can be monitored by VTEPs and RPs.
摘要翻译：虚拟可扩展局域网（“VXLAN”）系统包括具有VXLAN隧道终点（“VTEP”）和虚拟机（“VM”）的服务器，使用双向组（“BIDIR”）和会合点传输网络数据的多个路由器（“RP”）以及相应的管理和供应实体（“MPE”），其适于基于网络流量动态地安排BIDIR，使得流量在VXLAN上更均匀地分布。一些路由器可以预配置为潜在的RP，并且MPE可以根据需要激活和停用这些路由器与RP状态。 MPE基于BIDIR中达到的流量的阈值创建并重新排列BIDIR，例如通过分割超载的BIDIR。网络流量可以由VTEP和RP监控。

34. 发明申请

US20140355450A1 VXLAN BASED MULTICASTING SYSTEMS HAVING IMPROVED LOAD DISTRIBUTION 有权
标题翻译：基于VXLAN的具有改进的负载分配的多功能系统
公开(公告)号：US20140355450A1
公开(公告)日：2014-12-04
申请号：US13907762
申请日：2013-05-31
申请人： Dell Products L.P.
发明人： Bhargav Bhikkaji , Balaji Venkat Venkataswami
IPC分类号： H04L12/803
CPC分类号： H04L47/125 , H04L12/189 , H04L45/24 , H04L45/30 , H04L45/586
摘要： A virtual extensible local area network (“VXLAN”) system includes servers having VXLAN tunnel end points (“VTEP”) and virtual machines (“VMs”), multiple routers to transmit network data using bidirectional groups (“BIDIRs”) and rendezvous points (“RPs”), and an associated management and provisioning entity (“MPE”) adapted to arrange BIDIRs dynamically based upon network traffic such that traffic is more evenly distributed across the VXLAN. Some of the routers can be preconfigured as potential RPs, and the MPE can activate and deactivate these routers to and from RP status as needed. The MPE creates and rearranges BIDIRs based upon volume thresholds of traffic being reached in BIDIRs, such as by splitting overloaded BIDIRs. Network traffic can be monitored by VTEPs and RPs.
摘要翻译：虚拟可扩展局域网（“VXLAN”）系统包括具有VXLAN隧道端点（“VTEP”）和虚拟机（“VM”）的服务器，使用双向组（“BIDIR”）和会合点传输网络数据的多个路由器（“RP”）以及相应的管理和供应实体（“MPE”），其适于基于网络流量动态地安排BIDIR，使得流量在VXLAN上更均匀地分布。一些路由器可以预配置为潜在的RP，并且MPE可以根据需要激活和停用这些路由器与RP状态。 MPE基于BIDIR中达到的流量的阈值创建并重新排列BIDIR，例如通过分割超载的BIDIR。网络流量可以由VTEP和RP监控。

35. 发明申请

US20140269328A1 SYSTEMS AND METHODS FOR POINT TO MULTIPOINT COMMUNICATION IN NETWORKS USING HYBRID NETWORK DEVICES 有权
标题翻译：使用混合网络设备在网络中进行多点通信的点的系统和方法
公开(公告)号：US20140269328A1
公开(公告)日：2014-09-18
申请号：US13801708
申请日：2013-03-13
申请人： DELL PRODUCTS L.P.
发明人： Balaji Venkat Venkataswami , Bhargav Bhikkaji
IPC分类号： H04L12/18
CPC分类号： H04L12/18 , H04L12/1881 , H04L41/12 , H04L45/48 , H04L45/507 , H04L49/201
摘要： An information handling system is provided. The information handling system includes an ingress network device receiving a multicast stream from a coupled source device and a first and a second egress network device. The first and second egress network devices each receive the multicast stream for coupled destination devices. The information handling system also includes a plurality of intermediate network devices by which the ingress network device is coupled to the first and second egress network devices to form a network and further includes a network controller. The network controller has a topology of the network in a memory and forms a multicast tree based on the topology as well as a link load level and a multicast replication capacity associated with links to the first and second egress network devices and to each of the plurality of intermediate network devices.
摘要翻译：提供信息处理系统。信息处理系统包括从耦合的源设备和第一和第二出口网络设备接收组播流的入口网络设备。第一和第二出口网络设备各自接收用于耦合的目的地设备的多播流。信息处理系统还包括多个中间网络设备，通过该多个中间网络设备，入口网络设备被耦合到第一和第二出口网络设备以形成网络，并且还包括网络控制器。网络控制器在存储器中具有网络的拓扑，并且基于拓扑形成多播树，以及链路负载级别和与到第一和第二出口网络设备的链路相关联的多播复制能力，以及与多个的中间网络设备。

36. 发明申请

US20140269250A1 SYSTEMS AND METHODS FOR TUNNEL-FREE FAST REROUTING IN INTERNET PROTOCOL NETWORKS 有权
标题翻译：互联网协议网络中无隧道快速重组的系统与方法
公开(公告)号：US20140269250A1
公开(公告)日：2014-09-18
申请号：US13797474
申请日：2013-03-12
申请人： DELL PRODUCTS L.P.
发明人： Bhargav Bhikkaji , Balaji Venkat Venkataswami
IPC分类号： H04L12/24
CPC分类号： H04L41/0668 , H04L45/28 , H04L45/308
摘要： An information handling system is provided. The information handling system includes a first, a second, a third, and a fourth network device. The first network device is coupled to the second network device and to the third network device, while the fourth network device is also coupled to the second and third network devices. At least the fourth network device has a plurality of interfaces and one or more processors in communication with the interfaces and a memory. At least one of the one or more processors is configured to disassociate a network address of the first network device from a first VRF instance and associate the network address of the first network device with a second VRF instance when a network failure associated with the first VRF instance is detected. Methods for rerouting traffic through the information handling system in response to a network event are also disclosed.
摘要翻译：提供信息处理系统。信息处理系统包括第一，第二，第三和第四网络设备。第一网络设备耦合到第二网络设备和第三网络设备，而第四网络设备也耦合到第二和第三网络设备。至少第四网络设备具有多个接口和与接口通信的一个或多个处理器和存储器。一个或多个处理器中的至少一个被配置为将第一网络设备的网络地址与第一VRF实例分离，并且当与第一VRF相关联的网络故障时将第一网络设备的网络地址与第二VRF实例相关联检测到实例。还公开了响应于网络事件通过信息处理系统重新路由业务的方法。

37. 发明申请

US20140254423A1 SYSTEM AND METHOD FOR IMPROVED ROUTING IN AUTONOMOUS SYSTEMS 有权
标题翻译：自动系统中改进路由的系统和方法
公开(公告)号：US20140254423A1
公开(公告)日：2014-09-11
申请号：US13793200
申请日：2013-03-11
申请人： DELL PRODUCTS L.P.
发明人： Prasadu Beesabathina , Perumal NarayanaSwamy , Balaji Venkat Venkataswami
IPC分类号： H04L12/56
CPC分类号： H04L45/02 , H04L45/04 , H04L45/123 , H04L45/26
摘要： A system and method for improved routing in autonomous systems includes identifying one or more first edge routers for an autonomous system, selecting one or more second edge routers from the one or more first edge routers, determining a third edge router, forming a first edge router list including all of the one or more second edge routers except for the third edge router, forming a first reachability message, and transmitting the first reachability message. A first prefix is reachable using the one or more second edge routers. The third edge router is associated with a first path for reaching the first prefix. The third edge router is selected from the one or more second edge routers. The first path is a best path for reaching the first prefix. The reachability message includes the first prefix, information associated with the first path, and the first edge router list.
摘要翻译：一种用于在自主系统中改进路由的系统和方法包括识别用于自主系统的一个或多个第一边缘路由器，从所述一个或多个第一边缘路由器选择一个或多个第二边缘路由器，确定第三边缘路由器，形成第一边缘路由器列表，其包括除第三边缘路由器之外的所有一个或多个第二边缘路由器，形成第一可达性消息，以及发送第一可达性消息。使用一个或多个第二边缘路由器可访问第一前缀。第三边缘路由器与用于到达第一前缀的第一路径相关联。从第一边缘路由器选择第三边缘路由器。第一条路径是达到第一个前缀的最佳路径。可达性消息包括第一前缀，与第一路径相关联的信息和第一边缘路由器列表。

38. 发明授权

US10938591B2 Multicast system 有权
公开(公告)号：US10938591B2
公开(公告)日：2021-03-02
申请号：US16052757
申请日：2018-08-02
申请人： Dell Products L.P.
发明人： Ganesh Chennimalai Sankaran , Balaji Venkat Venkataswami
IPC分类号： H04L12/18 , H04L12/24
摘要： A multicast system includes a networking device. A server subsystem is coupled to the networking device. A source device is coupled to the networking device and is configured to generate a data stream, and transmit the data stream as a unicast communication that is directed through the networking device to the server subsystem. A receiver device is coupled to the networking device and is configured to transmit a request to join the data stream. A management subsystem is coupled to the networking device and is configured to receive the request that was transmitted by the receiver device. Based on the request, the management subsystem configures the networking device to replicate the data steam received as the unicast communication that is directed to the server subsystem to provide a replicated data stream, and transmit the replicated data stream as a unicast communication that is directed to the receiver device.

39. 发明申请

US20200067838A1 LAYER 2 LOAD BALANCING SYSTEM 审中-公开
公开(公告)号：US20200067838A1
公开(公告)日：2020-02-27
申请号：US16112352
申请日：2018-08-24
申请人： Dell Products L.P.
发明人： Narayanaswamy Perumal , Dinesh Babu Kannan , Balaji Venkat Venkataswami
IPC分类号： H04L12/803 , H04L12/743
摘要： A layer 2 load balancing system includes server devices that provide virtual machines that each share a virtual Media Access Control (MAC) address. A switch device is coupled to each of the server devices via respective ports on the switch device. The switch device receives the virtual MAC address during a time period via each of the respective ports connected to the server devices and, in response, identifies a server device cluster that shares the virtual MAC address. When the switch device receive packets that are part of a packet flow and that are directed to the virtual MAC address, it then directs each of the packets that are part of the packet flow to one of the virtual machines that is provided on one of the server devices in the server device cluster.

40. 发明申请

US20190280968A1 MULTICASTING SYSTEM 审中-公开
公开(公告)号：US20190280968A1
公开(公告)日：2019-09-12
申请号：US15916601
申请日：2018-03-09
申请人： Dell Products L.P.
发明人： Damodharan Sreenivasagaperumal , Balaji Venkat Venkataswami , Pradeep Raju
IPC分类号： H04L12/723 , H04L12/761
摘要： A multicast system includes a source device and a plurality of receiver devices connected by switches that are also coupled to a switch controller. The switch controller receives source device information for the source device from its connected first switch, and receives receiver device information for each of the receiver devices from their respective connected second switches. The switch controller uses the source device information and receiver device information to construct a multicast tree that includes switches capable of transmitting multicast communications from the source device to each of the receiver devices. The switch controller then programs at least some of the switches so that a multicast data communication from the source device is segment routed to a third switch, and replicated by the third switch to produce replicated multicast data communications that are each segment routed to at least some of the receiver devices through their respective second switches.

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