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1. 发明授权

US08953489B2 Selecting a master processor from an ambiguous peer group 有权
公开(公告)号：US08953489B2
公开(公告)日：2015-02-10
申请号：US13327307
申请日：2011-12-15
申请人： David R. Engebretsen , Stephen A. Knight , Adam C. Lange-Pearson , Jaimeson J. Saley
发明人： David R. Engebretsen , Stephen A. Knight , Adam C. Lange-Pearson , Jaimeson J. Saley
IPC分类号： H04L12/26 , G06F15/16 , H04L12/24 , H04L12/933 , H04L29/08
CPC分类号： H04L41/0803 , H04L29/08351 , H04L41/12 , H04L49/15 , H04L67/1051
摘要： A distributed switch may include a plurality of special-purpose processors that control the different functions of the switch. To enable some special services, however, the distributed switch may need one of these processors to perform the role of a master. When a processor is powered on, the processor may publish a corresponding unique ID. Before electing the master, the special-purpose processors may use a discovery process to identify the network topology of the switch and evaluate the published IDs to determine which processor should be the master. If all the processors nominate the same master processor, then that processor is elected as the master and may finish configuring the distributed switch to enable the special services.

2. 发明申请

US20130155841A1 SELECTING A MASTER PROCESSOR FROM AN AMBIGUOUS PEER GROUP 有权
标题翻译：从AMBIGUOUS PEER GROUP选择一个主处理器
公开(公告)号：US20130155841A1
公开(公告)日：2013-06-20
申请号：US13327307
申请日：2011-12-15
申请人： David R. Engebretsen , Stephen A. Knight , Adam C. Lange-Pearson , Jaimeson J. Saley
发明人： David R. Engebretsen , Stephen A. Knight , Adam C. Lange-Pearson , Jaimeson J. Saley
IPC分类号： H04L12/56 , H04L12/24
CPC分类号： H04L41/0803 , H04L29/08351 , H04L41/12 , H04L49/15 , H04L67/1051
摘要： A distributed switch may include a plurality of special-purpose processors that control the different functions of the switch. To enable some special services, however, the distributed switch may need one of these processors to perform the role of a master. When a processor is powered on, the processor may publish a corresponding unique ID. Before electing the master, the special-purpose processors may use a discovery process to identify the network topology of the switch and evaluate the published IDs to determine which processor should be the master. If all the processors nominate the same master processor, then that processor is elected as the master and may finish configuring the distributed switch to enable the special services.
摘要翻译：分布式交换机可以包括控制交换机的不同功能的多个专用处理器。然而，为了实现一些特殊服务，分布式交换机可能需要这些处理器中的一个来执行主机的作用。当处理器通电时，处理器可以发布相应的唯一ID。在选择主设备之前，专用处理器可以使用发现过程来识别交换机的网络拓扑，并评估已发布的ID，以确定哪个处理器应该是主设备。如果所有处理器提名相同的主处理器，那么该处理器被选为主设备，并且可以完成配置分布式交换机以启用特殊服务。

3. 发明授权

US09178808B2 Distributing functions in a distributed and embedded environment 有权
标题翻译：在分布式和嵌入式环境中分配功能
公开(公告)号：US09178808B2
公开(公告)日：2015-11-03
申请号：US13311964
申请日：2011-12-06
申请人： Josep Cors , David R. Engebretsen , David L. Hermsmeier , Adam C. Lange-Pearson , Ward R. Nelson
发明人： Josep Cors , David R. Engebretsen , David L. Hermsmeier , Adam C. Lange-Pearson , Ward R. Nelson
IPC分类号： H04L12/721 , H04L12/725 , H04L12/741
CPC分类号： H04L45/44 , H04L45/304 , H04L45/745
摘要： The different switch modules making up a distributed virtual switch may route configuration commands for hardware resources to different modules within the distributed switch using a distribution and routing layer. At least one of the switch modules maintains a routing table that defines which switch modules are responsible for which hardware resources. The switch module uses the routing tables to forward the commands on the distribution and routing layer to the responsible switch module which then ensures that the relevant hardware resources are configured.
摘要翻译：组成分布式虚拟交换机的不同交换机模块可以使用分布和路由层将配置命令的硬件资源路由到分布式交换机内的不同模块。至少一个交换机模块维护路由表，其定义哪些交换机模块负责哪些硬件资源。交换机模块使用路由表将分发和路由层上的命令转发到负责的交换机模块，然后确保相关硬件资源的配置。

4. 发明申请

US20130142196A1 DISTRIBUTING FUNCTIONS IN A DISTRIBUTED AND EMBEDDED ENVIRONMENT 有权
标题翻译：分布式和嵌入式环境中的分布函数
公开(公告)号：US20130142196A1
公开(公告)日：2013-06-06
申请号：US13311964
申请日：2011-12-06
申请人： Josep Cors , David R. Engebretsen , David L. Hermsmeier , Adam C. Lange-Pearson , Ward R. Nelson
发明人： Josep Cors , David R. Engebretsen , David L. Hermsmeier , Adam C. Lange-Pearson , Ward R. Nelson
IPC分类号： H04L12/50
CPC分类号： H04L45/44 , H04L45/304 , H04L45/745
摘要： The different switch modules making up a distributed virtual switch may route configuration commands for hardware resources to different modules within the distributed switch using a distribution and routing layer. At least one of the switch modules maintains a routing table that defines which switch modules are responsible for which hardware resources. The switch module uses the routing tables to forward the commands on the distribution and routing layer to the responsible switch module which then ensures that the relevant hardware resources are configured.
摘要翻译：组成分布式虚拟交换机的不同交换机模块可以使用分布和路由层将配置命令的硬件资源路由到分布式交换机内的不同模块。至少一个交换机模块维护路由表，其定义哪些交换机模块负责哪些硬件资源。交换机模块使用路由表将分发和路由层上的命令转发到负责的交换机模块，然后确保相关硬件资源的配置。

5. 发明授权

US08594100B2 Data frame forwarding using a distributed virtual bridge 有权
标题翻译：使用分布式虚拟桥的数据帧转发
公开(公告)号：US08594100B2
公开(公告)日：2013-11-26
申请号：US12751249
申请日：2010-03-31
申请人： William J. Armstrong , Claude Basso , David R. Engebretsen , Kyle A. Lucke , Jeffrey J. Lynch , David A. Shedivy , Colin B. Verrilli , Bruce M. Walk
发明人： William J. Armstrong , Claude Basso , David R. Engebretsen , Kyle A. Lucke , Jeffrey J. Lynch , David A. Shedivy , Colin B. Verrilli , Bruce M. Walk
IPC分类号： H04L12/28
CPC分类号： H04L49/357 , H04L45/66 , H04L49/354 , H04L49/70
摘要： Systems and methods to forward data frames are provided. A particular method may include receiving a data frame at a distributed virtual bridge. The distributed virtual bridge includes a first bridge element coupled to a first server computer and a second bridge element coupled to the first bridge element and to a second server computer. The distributed virtual bridge further includes a controlling bridge coupled to the first bridge element and to the second bridge element. The controlling bridge includes a global forwarding table. The data frame is forwarded from the first bridge element to the second bridge element of the distributed virtual bridge using address data associated with the data frame. A logical network associated with the frame may additionally be used to forward the data frame.
摘要翻译：提供了转发数据帧的系统和方法。特定方法可以包括在分布式虚拟桥处接收数据帧。分布式虚拟桥包括耦合到第一服务器计算机的第一桥单元和耦合到第一桥单元和第二服务器计算机的第二桥单元。分布式虚拟桥还包括耦合到第一桥接元件和第二桥接元件的控制桥。控制桥包括全局转发表。使用与数据帧相关联的地址数据将数据帧从第一桥接元件转发到分布式虚拟桥的第二桥接元件。与帧相关联的逻辑网络可另外用于转发数据帧。

6. 发明授权

US08547825B2 Switch fabric management 有权
公开(公告)号：US08547825B2
公开(公告)日：2013-10-01
申请号：US13177680
申请日：2011-07-07
申请人： William J. Armstrong , John M. Borkenhagen , Martin J. Crippen , Dhruv M. Desai , David R. Engebretsen , Philip R. Hillier, III , William G. Holland , James E. Hughes , James A. O'Connor , Pravin S. Patel , Steven M. Tri
发明人： William J. Armstrong , John M. Borkenhagen , Martin J. Crippen , Dhruv M. Desai , David R. Engebretsen , Philip R. Hillier, III , William G. Holland , James E. Hughes , James A. O'Connor , Pravin S. Patel , Steven M. Tri
IPC分类号： G01R31/08
CPC分类号： H04L41/24 , H04L41/0659 , H04L49/15
摘要： Techniques are disclosed for managing a switch fabric. In one embodiment, a server system is provided that includes a midplane, one or more server cards, switch modules and a management controller. The midplane may include a fabric interconnect for a switch fabric. The one or more server cards and the switch modules may be operatively connected to the midplane. The switch modules may be configured to switch network traffic for the one or more server cards. The management controller may be configured to manage the switch modules via the fabric interconnect.

7. 发明授权

US08369296B2 Distributed link aggregation 有权
标题翻译：分布式链路聚合
公开(公告)号：US08369296B2
公开(公告)日：2013-02-05
申请号：US12767174
申请日：2010-04-26
申请人： William J. Armstrong , Claude Basso , Josep Cors , David R. Engebretsen , Kyle A. Lucke , Jeffrey J. Lynch
发明人： William J. Armstrong , Claude Basso , Josep Cors , David R. Engebretsen , Kyle A. Lucke , Jeffrey J. Lynch
IPC分类号： H04W4/00
CPC分类号： H04L45/245 , H04L45/28 , Y02D50/30
摘要： Systems and methods to forward data frames are described. A particular method may include generating a plurality of management frames at a controlling bridge. The management frames may include routing information. The plurality of management frames may be communicated to a plurality of bridge elements coupled to a plurality of server computers. The plurality of bridge elements are each configured to selectively forward a plurality of data frames according to the routing information.
摘要翻译：描述转发数据帧的系统和方法。特定方法可以包括在控制桥处生成多个管理帧。管理帧可以包括路由信息。多个管理帧可以被传送到耦合到多个服务器计算机的多个网桥单元。多个桥元件被配置为根据路由信息选择性地转发多个数据帧。

8. 发明授权

US08271710B2 Moving ownership of a device between compute elements 有权
标题翻译：在计算元素之间移动设备的所有权
公开(公告)号：US08271710B2
公开(公告)日：2012-09-18
申请号：US12822867
申请日：2010-06-24
申请人： William J. Armstrong , Scott N. Dunham , David R. Engebretsen , Ronald E. Freking , Mehul M. Shah , Steven M. Thurber , Curtis C. Wollbrink
发明人： William J. Armstrong , Scott N. Dunham , David R. Engebretsen , Ronald E. Freking , Mehul M. Shah , Steven M. Thurber , Curtis C. Wollbrink
IPC分类号： G06F13/12 , G06F13/36
CPC分类号： G06F13/4027 , G06F12/1081 , G06F2213/0058
摘要： In an embodiment, a command is received that requests movement of ownership of a target device from an origin compute element to a destination compute element. From the origin compute element, a translation of a virtual bridge identifier to a first secondary bus identifier, a first subordinate bus identifier, and a first MMIO bus address range is removed. To the destination compute element, a translation of the target virtual bridge identifier to a second secondary bus identifier, a second subordinate bus identifier, and a second MMIO bus address range is added. From a south chip that comprises the target virtual bridge, a translation of the target virtual bridge identifier to an identifier of the origin compute element is removed. To the south chip, a translation of the target virtual bridge identifier to an identifier of the destination compute element is added.
摘要翻译：在一个实施例中，接收到请求将目标设备的所有权从原始计算元件移动到目的地计算单元的命令。从原始计算元件，去除虚拟网桥标识符到第一辅助总线标识符，第一从属总线标识符和第一MMIO总线地址范围的转换。向目的地计算单元添加目标虚拟桥标识符到第二辅助总线标识符，第二从属总线标识符和第二MMIO总线地址范围的转换。从包括目标虚拟桥的南芯片，将目标虚拟网桥标识符转换为原始计算元素的标识符被去除。向南芯片，添加目标虚拟网桥标识符到目的地计算单元的标识符的翻译。

9. 发明申请

US20110276779A1 MEMORY MAPPED INPUT/OUTPUT BUS ADDRESS RANGE TRANSLATION 失效
标题翻译：存储映射输入/输出总线地址范围翻译
公开(公告)号：US20110276779A1
公开(公告)日：2011-11-10
申请号：US12774210
申请日：2010-05-05
申请人： David R. Engebretsen , Steven M. Thurber , Curtis C. Wollbrink
发明人： David R. Engebretsen , Steven M. Thurber , Curtis C. Wollbrink
IPC分类号： G06F12/10 , G06F13/00
CPC分类号： G06F13/404 , G06F13/4022
摘要： In an embodiment, a north chip receives a secondary bus identifier that identifies a bus that is immediately downstream from a bridge in a south chip, a subordinate bus identifier that identifies a highest bus identifier of all of buses reachable downstream of the bridge, and an MMIO bus address range that comprises a memory base and a memory limit. The north chip writes a translation of a bridge identifier and a south chip identifier to the secondary bus identifier, the subordinate bus identifier, and the MMIO bus address range. The north chip sends the secondary bus identifier, the subordinate bus identifier, the memory base, and the memory limit to the bridge. The bridge stores the secondary bus identifier, the subordinate bus identifier, the memory base, and the memory limit in the bridge.
摘要翻译：在一个实施例中，北芯片接收辅助总线标识符，其识别紧邻南芯片桥上下游的总线，标识可到达桥下游的所有总线的最高总线标识符的下级总线标识符，以及 MMIO总线地址范围包括内存基础和内存限制。北芯片将桥标识符和南芯片标识符的翻译写入辅助总线标识符，从属总线标识符和MMIO总线地址范围。北芯片将辅助总线标识符，下级总线标识符，存储器基准和存储器限制发送到桥。桥接器存储桥中的辅助总线标识符，下级总线标识符，存储器基准和存储器限制。

10. 发明授权

US09083644B2 Packet routing for embedded applications sharing a single network interface over multiple virtual networks 有权
公开(公告)号：US09083644B2
公开(公告)日：2015-07-14
申请号：US13396090
申请日：2012-02-14
申请人： William J. Armstrong , Josep Cors , David R. Engebretsen , Paul E. Movall , Eric G. Thiemann
发明人： William J. Armstrong , Josep Cors , David R. Engebretsen , Paul E. Movall , Eric G. Thiemann
IPC分类号： H04L12/28 , H04L12/721 , H04L12/931
CPC分类号： H04L45/44 , H04L49/355
摘要： Techniques are provided for packet routing in a distributed network switch. The distributed network switch includes multiple switch modules operatively connected to one another, and each switch module includes multiple bridge elements and a management controller. In one embodiment, a shared interface routing (SIR) framework is provided that includes an analysis and bifurcation layer and at least one packet interface. A packet is received over a first logical network and via a physical port, the packet being destined for at least a first application executing on the management controller. The analysis and bifurcation layer analyzes the packet and sends the packet to the packet interface, which then routes the packet to the first application.

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