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1. 发明授权

US08990431B2 Systems and methods for identifying a processor from a plurality of processors to provide symmetrical request and response processing 有权
标题翻译：用于从多个处理器识别处理器以提供对称请求和响应处理的系统和方法
公开(公告)号：US08990431B2
公开(公告)日：2015-03-24
申请号：US12489180
申请日：2009-06-22
申请人： Deepak Goel , Jyotheesh Kurma , Sandhya Gopinath
发明人： Deepak Goel , Jyotheesh Kurma , Sandhya Gopinath
IPC分类号： G06F15/16 , H04L29/08 , G06F9/455
CPC分类号： H04L67/28 , G06F9/45533 , H04L47/33 , H04L67/1002 , H04L67/1023
摘要： Described herein is a method and system for distributing request and responses across a multi-core system. Each core executes a packet engine that further processes data packets allocated to that core. A flow distributor executing within the multi-core system forwards client requests to a packet engine on a core that is selected based on a value generated when a hash is applied to a tuple comprising a client IP address, a client port, a server IP address and a server port identified in the request. The packet engine selects a first IP address and a first port of the core, and determines whether a hash of a tuple comprising those values identifies the selected core. A modification is then made to the client request so that the client request includes a tuple comprising the first IP address, the server IP address, the first port and the server port.
摘要翻译：这里描述了一种用于在多核系统上分发请求和响应的方法和系统。每个核心执行进一步处理分配给该核心的数据分组的分组引擎。在多核系统中执行的流分发器将客户端请求转发到核心上的分组引擎，该核心基于当散列应用于包括客户端IP地址，客户端口，服务器IP地址的元组时生成的值以及请求中标识的服务器端口。分组引擎选择核心的第一IP地址和第一端口，并且确定包括这些值的元组的散列是否识别所选核心。然后对客户机请求进行修改，使得客户端请求包括包括第一IP地址，服务器IP地址，第一端口和服务器端口的元组。

2. 发明申请

US20100287227A1 SYSTEMS AND METHODS FOR IDENTIFYING A PROCESSOR FROM A PLURALITY OF PROCESSORS TO PROVIDE SYMMETRICAL REQUEST AND RESPONSE PROCESSING 有权
标题翻译：用于识别来自多个处理器的处理器以提供对称请求和响应处理的系统和方法
公开(公告)号：US20100287227A1
公开(公告)日：2010-11-11
申请号：US12489180
申请日：2009-06-22
申请人： Deepak Goel , Jyotheesh Kurma , Sandhya Gopinath
发明人： Deepak Goel , Jyotheesh Kurma , Sandhya Gopinath
IPC分类号： G06F15/16
CPC分类号： H04L67/28 , G06F9/45533 , H04L47/33 , H04L67/1002 , H04L67/1023
摘要： Described herein is a method and system for distributing request and responses across a multi-core system. Each core executes a packet engine that further processes data packets allocated to that core. A flow distributor executing within the multi-core system forwards client requests to a packet engine on a core that is selected based on a value generated when a hash is applied to a tuple comprising a client IP address, a client port, a server IP address and a server port identified in the request. The packet engine selects a first IP address and a first port of the core, and determines whether a hash of a tuple comprising those values identifies the selected core. A modification is then made to the client request so that the client request includes a tuple comprising the first IP address, the server IP address, the first port and the server port.
摘要翻译：这里描述了一种用于在多核系统上分发请求和响应的方法和系统。每个核心执行进一步处理分配给该核心的数据分组的分组引擎。在多核系统中执行的流分发器将客户端请求转发到核心上的分组引擎，该核心基于当散列应用于包括客户端IP地址，客户端口，服务器IP地址的元组时生成的值以及请求中标识的服务器端口。分组引擎选择核心的第一IP地址和第一端口，并且确定包括这些值的元组的散列是否识别所选核心。然后对客户机请求进行修改，使得客户端请求包括包括第一IP地址，服务器IP地址，第一端口和服务器端口的元组。

3. 发明授权

US09077590B2 Systems and methods for providing link management in a multi-core system 有权
标题翻译：在多核系统中提供链路管理的系统和方法
公开(公告)号：US09077590B2
公开(公告)日：2015-07-07
申请号：US12820384
申请日：2010-06-22
申请人： Deepak Goel , Sandhya Gopinath , Jyotheesh Rao Kurma
发明人： Deepak Goel , Sandhya Gopinath , Jyotheesh Rao Kurma
IPC分类号： G06F15/173 , H04L29/12
CPC分类号： H04L29/12028 , H04L29/1282 , H04L61/103 , H04L61/6013
摘要： The present application is directed towards systems and methods for providing link management in a multi-core system. In some embodiments, the present application describes solutions for managing address resolution in IPv4 networks in a multi-core system. In other embodiments, the present application describes solutions for managing neighbor discovery in IPv6 networks in a multi-core system. In still other embodiments, the present application describes solutions for managing network bridging in a multi-core system. In yet other embodiments, the present application describes solutions for managing link aggregation in a multi-core system. And in still other embodiments, the present application describes solutions for managing virtual routers in a multi-core system.
摘要翻译：本申请涉及用于在多核系统中提供链路管理的系统和方法。在一些实施例中，本申请描述了用于管理多核系统中的IPv4网络中的地址解析的解决方案。在其他实施例中，本申请描述了用于在多核系统中管理IPv6网络中的邻居发现的解决方案。在其他实施例中，本申请描述了用于管理多核系统中的网络桥接的解决方案。在其他实施例中，本申请描述了用于管理多核系统中的链路聚合的解决方案。而在其它实施例中，本申请描述了在多核系统中管理虚拟路由器的解决方案。

4. 发明申请

US20100325257A1 SYSTEMS AND METHODS FOR PROVIDING LINK MANAGEMENT IN A MULTI-CORE SYSTEM 有权
标题翻译：在多核系统中提供链路管理的系统和方法
公开(公告)号：US20100325257A1
公开(公告)日：2010-12-23
申请号：US12820384
申请日：2010-06-22
申请人： Deepak Goel , Sandhya Gopinath , Jyotheesh Rao Kurma
发明人： Deepak Goel , Sandhya Gopinath , Jyotheesh Rao Kurma
IPC分类号： G06F15/173
CPC分类号： H04L29/12028 , H04L29/1282 , H04L61/103 , H04L61/6013
摘要： The present application is directed towards systems and methods for providing link management in a multi-core system. In some embodiments, the present application describes solutions for managing address resolution in IPv4 networks in a multi-core system. In other embodiments, the present application describes solutions for managing neighbor discovery in IPv6 networks in a multi-core system. In still other embodiments, the present application describes solutions for managing network bridging in a multi-core system. In yet other embodiments, the present application describes solutions for managing link aggregation in a multi-core system. And in still other embodiments, the present application describes solutions for managing virtual routers in a multi-core system.
摘要翻译：本申请涉及用于在多核系统中提供链路管理的系统和方法。在一些实施例中，本申请描述了用于管理多核系统中的IPv4网络中的地址解析的解决方案。在其他实施例中，本申请描述了用于在多核系统中管理IPv6网络中的邻居发现的解决方案。在其他实施例中，本申请描述了用于管理多核系统中的网络桥接的解决方案。在其他实施例中，本申请描述了用于管理多核系统中的链路聚合的解决方案。而在其它实施例中，本申请描述了在多核系统中管理虚拟路由器的解决方案。

5. 发明授权

US09450859B2 Systems and methods for deriving unique MAC address for a cluster 有权
标题翻译：为集群导出唯一MAC地址的系统和方法
公开(公告)号：US09450859B2
公开(公告)日：2016-09-20
申请号：US13524977
申请日：2012-06-15
申请人： Tushar K. Swain , Sandhya Gopinath
发明人： Tushar K. Swain , Sandhya Gopinath
IPC分类号： H04L12/56 , H04L12/24 , H04L12/44 , H04L12/709 , H04L29/12
CPC分类号： H04L45/245 , H04L61/1511 , H04L61/2038 , H04L61/6022 , Y02D50/30
摘要： As cluster LAG (CLA or CLAG) is a link aggregation spread across cluster nodes, the same MAC address is to be used for a CLAG on all cluster nodes. Each node in a cluster will derive the unique MAC address for all cluster LAGs. When a cluster is formed, the cluster configuration coordinator (COO) (referred to as the “source MAC node”) will sync its MAC addresses of CLAGs to all nodes in a cluster. The same MAC address may be used for a CLA on all nodes from then onwards till the source MAC node is removed from cluster. Even if the CCO changes due to some reason, CLAG MACs will not be changed as long as a source MAC node is present in the cluster.
摘要翻译：由于集群LAG（CLA或CLAG）是跨群集节点分布的链路聚合，所以在所有集群节点上都将使用相同的MAC地址作为CLAG。集群中的每个节点将为所有集群LAG导出唯一的MAC地址。当形成集群时，集群配置协调器（COO）（称为“源MAC节点”）将将其CLAG的MAC地址同步到集群中的所有节点。相同的MAC地址可以用于从那时起所有节点上的CLA，直到源MAC节点从群集中移除。即使CCO由于某些原因而改变，只要源MAC节点存在于集群中，CLAG MAC将不会更改。

6. 发明授权

US09071537B2 Systems and methods for propagating health of a cluster node 有权
标题翻译：用于传播群集节点运行状况的系统和方法
公开(公告)号：US09071537B2
公开(公告)日：2015-06-30
申请号：US13524964
申请日：2012-06-15
申请人： Ramanjaneyulu Y Talla , Aakash Jain , Narendra Kataria , Sandhya Gopinath , Mohit Saxena
发明人： Ramanjaneyulu Y Talla , Aakash Jain , Narendra Kataria , Sandhya Gopinath , Mohit Saxena
IPC分类号： H04W88/18 , H04L12/26 , H04L12/709 , H04L29/14 , H04L12/715 , H04W28/10
CPC分类号： G06F11/0793 , G06F11/0709 , G06F11/076 , H04L43/065 , H04L43/16 , H04L45/245 , H04L45/46 , H04L69/40 , Y02D50/30
摘要： The present disclosure describes systems and methods for propagating port state to intermediary devices of a cluster in a static link aggregation environment. The methods and systems include a cluster comprising a plurality of intermediary devices in communication with a network device via a static link aggregation comprising aggregated ports from different intermediary devices of the cluster. A first device of the static link aggregation is configured to detect that a health of the first device is below a predetermined threshold and, responsive to the detection, identify one or more ports in the aggregated ports as down. A second device of the link aggregation is configured to, responsive to the identification, remove the ports from a distribution list for the static link aggregation. Upon detection that a health of a device is above a predetermined threshold, the first device may identify the ports as up.
摘要翻译：本公开描述了用于将端口状态传播到静态链路聚合环境中的集群的中间设备的系统和方法。所述方法和系统包括：集群，其包括通过包括来自所述集群的不同中间设备的聚合端口的静态链路聚合与网络设备通信的多个中间设备。静态链路聚合的第一设备被配置为检测第一设备的运行状况是否低于预定阈值，并且响应于该检测，将聚合端口中的一个或多个端口标识为down。链路聚合的第二设备被配置为响应于该标识，从静态链路聚合的通信列表中移除端口。当检测到设备的健康状况高于预定阈值时，第一设备可以将端口识别为up。

7. 发明申请

US20130339549A1 SYSTEMS AND METHODS FOR SUPPORTING IP OWNERSHIP IN A CLUSTER 有权
标题翻译：支持群集知识产权的系统和方法
公开(公告)号：US20130339549A1
公开(公告)日：2013-12-19
申请号：US13524721
申请日：2012-06-15
申请人： VIVEKANAND RANGARAMAN , Ranjith Nath , Sandhya Gopinath , Abhishek Chauhan
发明人： VIVEKANAND RANGARAMAN , Ranjith Nath , Sandhya Gopinath , Abhishek Chauhan
IPC分类号： G06F15/16
CPC分类号： H04L61/103 , H04L61/1511 , H04L61/2007 , H04L61/6063 , H04L69/18 , H04L69/326
摘要： While each node in a cluster of nodes sources connections with the same IP if each node allocates a port on this IP independently, there may be port clashes. Also, the return traffic is not guaranteed to hit the originating node. These issues are addressed by allocating a port in such a way that the response traffic hashes back to the originating node. A good hash is chosen such that the ports are equally divided among the nodes. When a node leaves, the other nodes take over the port range used by this node. When a node joins, the node takes back its share of ports.
摘要翻译：虽然节点集群中的每个节点都会以相同的IP源连接，如果每个节点分别在此IP上分配一个端口，则可能会有端口冲突。此外，返回流量不能保证打到始发节点。这些问题通过分配端口来解决，使得响应流量返回到始发节点。选择好的散列，使得端口在节点之间被等分。当节点离开时，其他节点接管该节点使用的端口范围。当节点加入时，节点将收回其端口份额。

8. 发明申请

US20120033680A1 SYSTEMS AND METHODS FOR RECEIVE AND TRANSMISSION QUEUE PROCESSING IN A MULTI-CORE ARCHITECTURE 有权
标题翻译：用于多核架构中接收和传输队列处理的系统和方法
公开(公告)号：US20120033680A1
公开(公告)日：2012-02-09
申请号：US13208093
申请日：2011-08-11
申请人： Sandhya Gopinath , Henk Bots
发明人： Sandhya Gopinath , Henk Bots
IPC分类号： H04L12/56
CPC分类号： H04L49/901 , H04L49/9047 , H04L49/9057
摘要： Described herein is a method and system for directing outgoing data packets from packet engines to a transmit queue of a NIC in a multi-core system, and a method and system for directing incoming data packets from a receive queue of the NIC to the packet engines. Packet engines store outgoing traffic in logical transmit queues in the packet engines. An interface module obtains the outgoing traffic and stores it in a transmit queue of the NIC, after which the NIC transmits the traffic from the multi-core system over a network. The NIC receives incoming traffic and stores it in a NIC receive queue. The interface module obtains the incoming traffic and applies a hash to a tuple of each obtained data packet. The interface module then stores each data packet in the logical receive queue of a packet engine on the core identified by the result of the hash.
摘要翻译：这里描述的是用于将来自分组引擎的输出数据分组引导到多核系统中的NIC的发送队列的方法和系统，以及用于将来自NIC的接收队列的输入数据分组引导到分组引擎的方法和系统。分组引擎将传出流量存储在分组引擎中的逻辑传输队列中。接口模块获取传出流量并将其存储在NIC的传输队列中，NIC之后通过网络从多核系统传输流量。 NIC接收传入流量并将其存储在NIC接收队列中。接口模块获取输入流量，并将散列应用于每个获得的数据包的元组。接口模块然后将每个数据包存储在由散列结果标识的核上的分组引擎的逻辑接收队列中。

9. 发明申请

US20100284404A1 SYSTEMS AND METHODS FOR PACKET STEERING IN A MULTI-CORE ARCHITECTURE 有权
标题翻译：多核架构中分组转向的系统和方法
公开(公告)号：US20100284404A1
公开(公告)日：2010-11-11
申请号：US12489207
申请日：2009-06-22
申请人： Sandhya Gopinath , Henk Bots , Ramanjaneyulu Y. Talla , Abhishek Chauhan
发明人： Sandhya Gopinath , Henk Bots , Ramanjaneyulu Y. Talla , Abhishek Chauhan
IPC分类号： H04L12/56
CPC分类号： G06F9/5005 , G06F2209/5016 , H04L29/12066 , H04L29/12367 , H04L49/90 , H04L61/1511 , H04L61/2514 , H04L67/1002
摘要： Described herein is a method and system for distributing whole and fragmented requests and responses across a multi-core system. Each core executes a packet engine that further processes data packets and data packet fragments allocated to that core. A flow distributor executing within the multi-core system forwards client requests to a packet engine on a core that is selected based on a value generated when a hash is applied to a tuple comprising a client IP address, a client port, a server IP address and a server port identified in the request. The packet engine maintains each element of the tuple and forwards the request to the selected core. The packet engine can also process data packet fragments by assembling the fragments prior to transmitting them to the selected core, or by transmitting the data packet fragments to the selected core.
摘要翻译：这里描述了一种用于在多核系统上分发整个和分段的请求和响应的方法和系统。每个核心执行进一步处理分配给该核心的数据分组和数据分组片段的分组引擎。在多核系统中执行的流分发器将客户端请求转发到核心上的分组引擎，该核心基于当散列应用于包括客户端IP地址，客户端口，服务器IP地址的元组时生成的值以及请求中标识的服务器端口。分组引擎维护元组的每个元素，并将请求转发到所选核心。分组引擎还可以在将分组发送到所选择的核之前组装分片，或者通过将数据分组片段发送到所选核心来处理数据分组片段。

10. 发明授权

US09112819B2 Systems and methods for receive and transmission queue processing in a multi-core architecture 有权
标题翻译：用于在多核架构中接收和传输队列处理的系统和方法
公开(公告)号：US09112819B2
公开(公告)日：2015-08-18
申请号：US13208093
申请日：2011-08-11
申请人： Sandhya Gopinath , Henk Bots
发明人： Sandhya Gopinath , Henk Bots
IPC分类号： H04L12/28 , H04L12/879 , H04L12/861 , H04J1/16
CPC分类号： H04L49/901 , H04L49/9047 , H04L49/9057
摘要： Described herein is a method and system for directing outgoing data packets from packet engines to a transmit queue of a NIC in a multi-core system, and a method and system for directing incoming data packets from a receive queue of the NIC to the packet engines. Packet engines store outgoing traffic in logical transmit queues in the packet engines. An interface module obtains the outgoing traffic and stores it in a transmit queue of the NIC, after which the NIC transmits the traffic from the multi-core system over a network. The NIC receives incoming traffic and stores it in a NIC receive queue. The interface module obtains the incoming traffic and applies a hash to a tuple of each obtained data packet. The interface module then stores each data packet in the logical receive queue of a packet engine on the core identified by the result of the hash.
摘要翻译：这里描述的是用于将来自分组引擎的输出数据分组引导到多核系统中的NIC的发送队列的方法和系统，以及用于将来自NIC的接收队列的输入数据分组引导到分组引擎的方法和系统。分组引擎将传出流量存储在分组引擎中的逻辑传输队列中。接口模块获取传出流量并将其存储在NIC的传输队列中，NIC之后通过网络从多核系统传输流量。 NIC接收传入流量并将其存储在NIC接收队列中。接口模块获取输入流量，并将散列应用于每个获得的数据包的元组。接口模块然后将每个数据包存储在由散列结果标识的核上的分组引擎的逻辑接收队列中。

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