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1. 发明授权

US09813252B2 Multicasting within a distributed control plane of a switch 有权
公开(公告)号：US09813252B2
公开(公告)日：2017-11-07
申请号：US13053801
申请日：2011-03-22
申请人： Sreekanth Reddy , Ravi Shekhar , Jeelani Syed , Quaizar Vohra
发明人： Sreekanth Reddy , Ravi Shekhar , Jeelani Syed , Quaizar Vohra
IPC分类号： H04L12/18 , H04L12/46
CPC分类号： H04L12/18 , H04L12/185 , H04L12/4641 , H04L12/4675 , H04L49/602
摘要： In some embodiments, a non-transitory processor-readable medium stores code representing instructions configured to cause a processor to receive, from an access switch, a first signal including forwarding state information associated with a first peripheral processing device from a set of peripheral processing devices. The code can further represent instructions configured to cause the processor to receive, from the first peripheral processing device, a second signal including a data packet. The code can further represent instructions configured to cause the processor to send, to a replication engine associated with the set of peripheral processing devices, a third signal such that the replication engine (1) defines a copy of the data packet, which is included within the third signal, and (2) sends, to a second peripheral processing device from the set of peripheral processing devices, a fourth signal including the copy of the data packet.

2. 发明授权

US08694654B1 Host side protocols for use with distributed control plane of a switch 有权
标题翻译：主机端协议用于交换机的分布式控制平面
公开(公告)号：US08694654B1
公开(公告)日：2014-04-08
申请号：US12968846
申请日：2010-12-15
申请人： Vijayabhaskar Annamalai Kalusivalingam , Jaihari Loganathan , Sreekanth Reddy , Ravi Shekhar , Jeelani Syed , Quaizar Vohra
发明人： Vijayabhaskar Annamalai Kalusivalingam , Jaihari Loganathan , Sreekanth Reddy , Ravi Shekhar , Jeelani Syed , Quaizar Vohra
IPC分类号： G06F15/16 , G06F15/173 , H04L12/28
CPC分类号： H04L49/25 , H04L29/12207 , H04L41/0806 , H04L41/12 , H04L49/70 , H04L61/20
摘要： In one embodiment, an apparatus includes a first network control entity associated with at least a portion of multiple physical ports at a first access switch that are operatively coupled to a peripheral processing device and a switch fabric. The first network control entity can receive a host protocol request from the peripheral processing device, the first network control entity to transmit the host protocol request to a second network control entity associated with at least a portion of multiple physical ports at a second access switch, such that the host protocol request causes the second network control entity to obtain a response to the host protocol request. The first network control entity can receive the response to the host protocol request from the second network control entity and transmit the response to the host protocol request to the peripheral processing device.
摘要翻译：在一个实施例中，一种装置包括与第一接入交换机的多个物理端口的至少一部分相关联的第一网络控制实体，其可操作地耦合到外围处理设备和交换结构。第一网络控制实体可以从外围处理设备接收主机协议请求，第一网络控制实体向第二接入交换机的至少一部分多个物理端口相关联的第二网络控制实体发送主机协议请求，使得主机协议请求使得第二网络控制实体获得对主机协议请求的响应。第一网络控制实体可以从第二网络控制实体接收对主机协议请求的响应，并向外围处理设备发送对主机协议请求的响应。

3. 发明申请

US20120158942A1 METHODS AND APPARATUS FOR FORWARDING-STATE TRANSPORT IN A DISTRIBUTED CONTROL PLANE 有权
标题翻译：在分布式控制平面中进行状态传输的方法和装置
公开(公告)号：US20120158942A1
公开(公告)日：2012-06-21
申请号：US12969277
申请日：2010-12-15
申请人： Vijayabhaskar Annamalai Kalusivalingam , Jaihari Loganathan , Ravi Shekhar , Jeelani Syed , Quaizar Vohra
发明人： Vijayabhaskar Annamalai Kalusivalingam , Jaihari Loganathan , Ravi Shekhar , Jeelani Syed , Quaizar Vohra
IPC分类号： G06F15/173
CPC分类号： H04L45/02 , H04L45/04 , H04L49/253 , H04L49/354 , H04L49/70
摘要： In some embodiments, a system includes a first network control entity, a second network control entity and a third network control entity. The first network control entity and the second network control entity are associated with a first network segment. The third network control entity is associated with a second network segment. The first network control entity is operable to send to the second network control entity an identifier of the first network segment and forwarding-state information associated with a data port at a first network element. The second network control entity is operable to receive the identifier of the first network segment and the forwarding-state information. The second network control entity is operable to send the forwarding-state information to a second network element. The first network control entity does not send the identifier of the first network segment and the forwarding-state information to the third network control entity.
摘要翻译：在一些实施例中，系统包括第一网络控制实体，第二网络控制实体和第三网络控制实体。第一网络控制实体和第二网络控制实体与第一网段相关联。第三网络控制实体与第二网段相关联。第一网络控制实体可操作以向第二网络控制实体发送第一网段的标识符和与第一网元处的数据端口相关联的转发状态信息。第二网络控制实体可操作地接收第一网段的标识符和转发状态信息。第二网络控制实体可操作以将转发状态信息发送到第二网络元件。第一网络控制实体不向第三网络控制实体发送第一网段的标识符和转发状态信息。

4. 发明授权

US08903942B2 Methods and apparatus for forwarding-state transport in a distributed control plane 有权
标题翻译：在分布式控制平面中转发状态传输的方法和装置
公开(公告)号：US08903942B2
公开(公告)日：2014-12-02
申请号：US12969277
申请日：2010-12-15
申请人： Vijayabhaskar Annamalai Kalusivalingam , Jaihari Loganathan , Ravi Shekhar , Jeelani Syed , Quaizar Vohra
发明人： Vijayabhaskar Annamalai Kalusivalingam , Jaihari Loganathan , Ravi Shekhar , Jeelani Syed , Quaizar Vohra
IPC分类号： G06F15/16 , H04L12/715 , H04L12/751 , H04L12/937 , H04L12/931
CPC分类号： H04L45/02 , H04L45/04 , H04L49/253 , H04L49/354 , H04L49/70
摘要： In some embodiments, a system includes a first network control entity, a second network control entity and a third network control entity. The first network control entity and the second network control entity are associated with a first network segment. The third network control entity is associated with a second network segment. The first network control entity is operable to send to the second network control entity an identifier of the first network segment and forwarding-state information associated with a data port at a first network element. The second network control entity is operable to receive the identifier of the first network segment and the forwarding-state information. The second network control entity is operable to send the forwarding-state information to a second network element. The first network control entity does not send the identifier of the first network segment and the forwarding-state information to the third network control entity.
摘要翻译：在一些实施例中，系统包括第一网络控制实体，第二网络控制实体和第三网络控制实体。第一网络控制实体和第二网络控制实体与第一网段相关联。第三网络控制实体与第二网段相关联。第一网络控制实体可操作以向第二网络控制实体发送第一网络段的标识符和与第一网络元件上的数据端口相关联的转发状态信息。第二网络控制实体可操作地接收第一网段的标识符和转发状态信息。第二网络控制实体可操作以将转发状态信息发送到第二网络元件。第一网络控制实体不向第三网络控制实体发送第一网段的标识符和转发状态信息。

5. 发明申请

US20110238816A1 METHODS AND APPARATUS FOR AUTOMATICALLY PROVISIONING RESOURCES WITHIN A DISTRIBUTED CONTROL PLANE OF A SWITCH 有权
标题翻译：用于在开关的分布式控制平面中自动提供资源的方法和装置
公开(公告)号：US20110238816A1
公开(公告)日：2011-09-29
申请号：US12969057
申请日：2010-12-15
申请人： Quaizar Vohra , Ravi Shekhar , Umesh Kondur , Arijit Sarcar
发明人： Quaizar Vohra , Ravi Shekhar , Umesh Kondur , Arijit Sarcar
IPC分类号： G06F15/173
CPC分类号： H04L49/25 , H04L29/12207 , H04L41/0806 , H04L41/12 , H04L49/70 , H04L61/20
摘要： In some embodiments, a network management module is operatively coupled to a set of edge devices that are coupled to a set of peripheral processing devices. The network management module can receive a signal associated with a broadcast protocol from an edge device from the set of edge devices in response to that edge device being operatively coupled to a switch fabric. The network management module can provision that edge device in response to receiving the signal. The network management module can define multiple network control entities at the set of edge devices such that each network control entity from the multiple network control entities can provide forwarding-state information associated with at least one peripheral processing device from the set of peripheral processing devices to at least one remaining network control entity from the multiple network control entities using a selective protocol.
摘要翻译：在一些实施例中，网络管理模块可操作地耦合到耦合到一组外围处理设备的一组边缘设备。响应于该边缘设备可操作地耦合到交换结构，网络管理模块可以从边缘设备集合边缘设备接收与广播协议相关联的信号。网络管理模块可以根据接收到的信号来配置边缘设备。网络管理模块可以在边缘设备集合上定义多个网络控制实体，使得来自多个网络控制实体的每个网络控制实体可以提供与至少一个外围处理设备相关联的转发状态信息，从外围处理设备组到使用选择性协议来自多个网络控制实体的至少一个剩余的网络控制实体。

6. 发明授权

US09130835B1 Methods and apparatus for configuration binding in a distributed switch 有权
标题翻译：分布式交换机中配置绑定的方法和设备
公开(公告)号：US09130835B1
公开(公告)日：2015-09-08
申请号：US12957990
申请日：2010-12-01
申请人： Joseph White , Gunes Aybay , Predrag Spasic , Murali Vemula , Ravi Shekhar , Quaizar Vohra , Jainendra Kumar
发明人： Joseph White , Gunes Aybay , Predrag Spasic , Murali Vemula , Ravi Shekhar , Quaizar Vohra , Jainendra Kumar
IPC分类号： H04L12/28 , H04L12/24
CPC分类号： H04L41/082 , H04L41/0806 , H04L41/0809 , H04L41/0816 , H04L43/10 , H04L49/10
摘要： An apparatus includes a network management module to store a network configuration file. The network configuration file having a binding association with an identifier of a port from a plurality of ports of a switch fabric when the network management module is in a first configuration. The network management module selects the network configuration file based on the binding association with the identifier if the port in response to an access switch being operatively coupled to the port. The network configuration file having a binding association with an identifier of the access switch when the network management module is in a second configuration. The network management module selects the network configuration file based on the binding association with the identifier of the access switch in response to the access switch being operatively coupled to the port.
摘要翻译：一种装置，包括存储网络配置文件的网络管理模块。所述网络配置文件当所述网络管理模块处于第一配置时，具有与交换结构的多个端口的端口的标识符的绑定关联。如果响应于接入交换机的端口可操作地耦合到端口，则网络管理模块基于与标识符的绑定关联来选择网络配置文件。所述网络配置文件当所述网络管理模块处于第二配置时，具有与所述接入交换机的标识符的绑定关联。网络管理模块响应于可操作地耦合到端口的接入交换机，基于与接入交换机的标识符的绑定关联来选择网络配置文件。

7. 发明申请

US20120158930A1 METHODS AND APPARATUS FOR MANAGING NEXT HOP IDENTIFIERS IN A DISTRIBUTED SWITCH FABRIC SYSTEM 有权
标题翻译：用于管理分布式开关织物系统中的下一个标识符的方法和装置
公开(公告)号：US20120158930A1
公开(公告)日：2012-06-21
申请号：US12969233
申请日：2010-12-15
申请人： Vijayabhaskar Annamalai Kalusivalingam , Quaizar Vohra , Ravi Shekhar , Jaihari Loganathan
发明人： Vijayabhaskar Annamalai Kalusivalingam , Quaizar Vohra , Ravi Shekhar , Jaihari Loganathan
IPC分类号： G06F15/173
CPC分类号： H04L49/30 , H04L45/00 , H04L49/3009
摘要： In some embodiments, an apparatus implemented in a memory and/or a processing device includes a first network control entity to manage a first data plane module associated with a port from a set of ports at a first access switch. The first network control entity associates an identifier of a peripheral processing device operatively coupled to the port from the set of ports with a next hop reference. The first network control entity provides the next hop reference to a second network control entity that manages a second data plane module at a second access switch such that the second data plane module can append the next hop reference to a data packet when the peripheral processing device is within a data path between and including the second access switch and a destination peripheral processing device.
摘要翻译：在一些实施例中，在存储器和/或处理设备中实现的装置包括第一网络控制实体，用于在第一接入交换机处从一组端口管理与端口相关联的第一数据平面模块。第一网络控制实体将具有可操作地耦合到该端口的端口的外围处理设备的标识符与下一跳参考相关联。第一网络控制实体向在第二接入交换机处管理第二数据平面模块的第二网络控制实体提供下一跳参考，使得第二数据平面模块可以在周边处理设备在第二接入交换机和目的地外围设备处理设备之间的数据路径之内。

8. 发明授权

US09240923B2 Methods and apparatus for automatically provisioning resources within a distributed control plane of a switch 有权
标题翻译：在交换机的分布式控制平面内自动配置资源的方法和装置
公开(公告)号：US09240923B2
公开(公告)日：2016-01-19
申请号：US12969057
申请日：2010-12-15
申请人： Quaizar Vohra , Ravi Shekhar , Umesh Kondur , Arijit Sarcar
发明人： Quaizar Vohra , Ravi Shekhar , Umesh Kondur , Arijit Sarcar
IPC分类号： G06F15/173 , H04L12/24 , H04L29/12
CPC分类号： H04L49/25 , H04L29/12207 , H04L41/0806 , H04L41/12 , H04L49/70 , H04L61/20
摘要： In some embodiments, a network management module is operatively coupled to a set of edge devices that are coupled to a set of peripheral processing devices. The network management module can receive a signal associated with a broadcast protocol from an edge device from the set of edge devices in response to that edge device being operatively coupled to a switch fabric. The network management module can provision that edge device in response to receiving the signal. The network management module can define multiple network control entities at the set of edge devices such that each network control entity from the multiple network control entities can provide forwarding-state information associated with at least one peripheral processing device from the set of peripheral processing devices to at least one remaining network control entity from the multiple network control entities using a selective protocol.
摘要翻译：在一些实施例中，网络管理模块可操作地耦合到耦合到一组外围处理设备的一组边缘设备。响应于该边缘设备可操作地耦合到交换结构，网络管理模块可以从边缘设备集合边缘设备接收与广播协议相关联的信号。网络管理模块可以根据接收到的信号来配置边缘设备。网络管理模块可以在边缘设备集合上定义多个网络控制实体，使得来自多个网络控制实体的每个网络控制实体可以提供与至少一个外围处理设备相关联的转发状态信息，从外围处理设备组到使用选择性协议来自多个网络控制实体的至少一个剩余的网络控制实体。

9. 发明授权

US08958420B1 Methods and apparatus for virtualizing switch control plane engine 有权
标题翻译：虚拟化开关控制平面引擎的方法和装置
公开(公告)号：US08958420B1
公开(公告)日：2015-02-17
申请号：US13435919
申请日：2012-03-30
申请人： Ravi Shekhar , Quaizar Vohra , Michael O'Gorman , Aleksandar Ratkovic , Jean-Marc Frailong , Shesha Sreenivasamurthy
发明人： Ravi Shekhar , Quaizar Vohra , Michael O'Gorman , Aleksandar Ratkovic , Jean-Marc Frailong , Shesha Sreenivasamurthy
IPC分类号： H04L12/24 , H04L12/50
CPC分类号： G06F9/45558 , G06F2009/4557 , G06F2009/45595 , H04L12/4641 , H04L12/50 , H04L41/0896 , H04L49/25
摘要： In some embodiments, an apparatus includes a scheduler disposed at a control device of a switch fabric system. The scheduler is configured to receive a control plane request associated with the switch fabric system having a data plane and a control plane separate from the data plane. The scheduler is configured to designate a control plane entity based on the control plane request and state information of each control plane entity from a set of control plane entities associated with the control plane and instantiated as a virtual machine. The scheduler is configured to send a signal to a compute device of the switch fabric system in response to the control plane request such that the control plane entity is instantiated as a virtual machine at the compute device.
摘要翻译：在一些实施例中，装置包括设置在交换结构系统的控制设备处的调度器。调度器被配置为接收与具有与数据平面分离的数据平面和控制平面的交换结构系统相关联的控制平面请求。调度器被配置为基于来自与控制平面相关联并被实例化为虚拟机的一组控制平面实体的控制平面请求和每个控制平面实体的状态信息来指定控制平面实体。调度器被配置为响应于控制平面请求将信号发送到交换结构系统的计算设备，使得控制平面实体被实例化为计算设备处的虚拟机。

10. 发明授权

US08804571B1 Methods and apparatus for a distributed control plane 有权
标题翻译：分布式控制平面的方法和装置
公开(公告)号：US08804571B1
公开(公告)日：2014-08-12
申请号：US13618820
申请日：2012-09-14
申请人： Manoj Tiwari , Ravi Shekhar , Quaizar Vohra , Ronak Shah , Prasennaram Dhanushkodi
发明人： Manoj Tiwari , Ravi Shekhar , Quaizar Vohra , Ronak Shah , Prasennaram Dhanushkodi
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L45/02 , H04L45/025 , H04L49/25
摘要： In some embodiments, an apparatus includes a first network control entity configured to be implemented at a first edge device. The first network control entity is configured to receive a control packet from a peripheral processing device via a tunnel that is between the peripheral processing device and the first network control entity and that includes at least a portion within a second edge device. The first network control entity is configured to determine routing information associated with the peripheral processing device based on the control packet. The first network control entity is configured to send the routing information to a second network control entity such that the second network control entity routes a data unit addressed to the peripheral processing device to the second edge device without sending the data unit to the first edge device.
摘要翻译：在一些实施例中，装置包括被配置为在第一边缘设备处实现的第一网络控制实体。第一网络控制实体被配置为经由外围处理设备和第一网络控制实体之间的隧道从外围处理设备接收控制分组，并且包括第二边缘设备内的至少一部分。第一网络控制实体被配置为基于控制分组来确定与外围处理设备相关联的路由信息。第一网络控制实体被配置为将路由信息发送到第二网络控制实体，使得第二网络控制实体将寻址到外围处理设备的数据单元路由到第二边缘设备，而不将数据单元发送到第一边缘设备。

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