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1. 发明申请

US20130242985A1 MULTICAST BANDWIDTH MULTIPLICATION FOR A UNIFIED DISTRIBUTED SWITCH 有权
公开(公告)号：US20130242985A1
公开(公告)日：2013-09-19
申请号：US13420180
申请日：2012-03-14
申请人： Claude Basso , Todd A. Greenfield , Philip R. Hillier, III , Mark L. Rudquist , Kenneth M. Valk , Brian T. Vanderpool , Bruce M. Walk
发明人： Claude Basso , Todd A. Greenfield , Philip R. Hillier, III , Mark L. Rudquist , Kenneth M. Valk , Brian T. Vanderpool , Bruce M. Walk
IPC分类号： H04L12/56
CPC分类号： H04L45/16 , H04L49/201 , H04L49/351 , H04L49/70
摘要： The distributed switch may include a plurality of chips (i.e., sub-switches) on a switch module. These sub-switches may receive from a computing device connected to a Tx/Rx port a multicast data frame (e.g., an Ethernet frame) that designates a plurality of different destinations. Instead of simply using one egress connection interface to forward the copies of the data frame to each of the destinations sequentially, the sub-switch may use a plurality of a connection interfaces to transfer copies of the multicast data frame simultaneously. The port that receives the multicast data frame can borrow the connection interfaces (and associated hardware such as buffers) assigned to these other ports to transmit copies of the multicast data frame simultaneously.

2. 发明授权

US08897301B2 Multicast bandwidth multiplication for a unified distributed switch 有权
标题翻译：统一分布式交换机的组播带宽乘法
公开(公告)号：US08897301B2
公开(公告)日：2014-11-25
申请号：US13420180
申请日：2012-03-14
申请人： Claude Basso , Todd A. Greenfield , Philip R. Hillier, III , Mark L. Rudquist , Kenneth M. Valk , Brian T. Vanderpool , Bruce M. Walk
发明人： Claude Basso , Todd A. Greenfield , Philip R. Hillier, III , Mark L. Rudquist , Kenneth M. Valk , Brian T. Vanderpool , Bruce M. Walk
IPC分类号： H04L12/28 , H04L12/50 , H04L12/54 , H04J3/24 , H04J3/26 , G06F15/167
CPC分类号： H04L45/16 , H04L49/201 , H04L49/351 , H04L49/70
摘要： The distributed switch may include a plurality of chips (i.e., sub-switches) on a switch module. These sub-switches may receive from a computing device connected to a Tx/Rx port a multicast data frame (e.g., an Ethernet frame) that designates a plurality of different destinations. Instead of simply using one egress connection interface to forward the copies of the data frame to each of the destinations sequentially, the sub-switch may use a plurality of a connection interfaces to transfer copies of the multicast data frame simultaneously. The port that receives the multicast data frame can borrow the connection interfaces (and associated hardware such as buffers) assigned to these other ports to transmit copies of the multicast data frame simultaneously.
摘要翻译：分布式交换机可以包括交换机模块上的多个芯片（即子交换机）。这些子交换机可以从连接到Tx / Rx端口的计算设备接收指定多个不同目的地的多播数据帧（例如，以太网帧）。代替简单地使用一个出口连接接口将数据帧的副本顺序地转发到每个目的地，子交换机可以使用多个连接接口来同时传送多播数据帧的副本。接收组播数据帧的端口可以借用分配给这些其他端口的连接接口（以及相关的硬件，如缓冲区），同时传输组播数据帧的副本。

3. 发明授权

US08379642B2 Multicasting using a multitiered distributed virtual bridge hierarchy 有权
公开(公告)号：US08379642B2
公开(公告)日：2013-02-19
申请号：US12767481
申请日：2010-04-26
申请人： William J. Armstrong , Claude Basso , Josep Cors , Kyle A. Lucke , David A. Shedivy , Kenneth M. Valk , Bruce M. Walk
发明人： William J. Armstrong , Claude Basso , Josep Cors , Kyle A. Lucke , David A. Shedivy , Kenneth M. Valk , Bruce M. Walk
IPC分类号： H04L12/28
CPC分类号： H04L12/4625 , H04L45/16
摘要： Systems and methods to multicast data frames are provided. A particular apparatus includes a plurality of computing nodes and a distributed virtual bridge. The distributed virtual bridge includes a plurality of bridge elements coupled to the plurality of computing nodes. The plurality of bridge elements are configured to forward a copy of a multicast data frame to the plurality of computing nodes using group member information associated with addresses of the plurality of server computers. A controlling bridge coupled to the plurality of bridge elements is configured to communicate the group member information to the plurality of bridge elements.

4. 发明申请

US20110261815A1 Multicasting Using a Multitiered Distributed Virtual Bridge Hierarchy 有权
标题翻译：使用多层分布式虚拟网桥层次结构进行组播
公开(公告)号：US20110261815A1
公开(公告)日：2011-10-27
申请号：US12767481
申请日：2010-04-26
申请人： William J. Armstrong , Claude Basso , Josep Cors , Kyle A. Lucke , David A. Shedivy , Kenneth M. Valk , Bruce M. Walk
发明人： William J. Armstrong , Claude Basso , Josep Cors , Kyle A. Lucke , David A. Shedivy , Kenneth M. Valk , Bruce M. Walk
IPC分类号： H04L12/56
CPC分类号： H04L12/4625 , H04L45/16
摘要： Systems and methods to multicast data frames are provided. A particular apparatus includes a plurality of computing nodes and a distributed virtual bridge. The distributed virtual bridge includes a plurality of bridge elements coupled to the plurality of computing nodes. The plurality of bridge elements are configured to forward a copy of a multicast data frame to the plurality of computing nodes using group member information associated with addresses of the plurality of server computers. A controlling bridge coupled to the plurality of bridge elements is configured to communicate the group member information to the plurality of bridge elements.
摘要翻译：提供了组播数据帧的系统和方法。特定装置包括多个计算节点和分布式虚拟桥。分布式虚拟桥包括耦合到多个计算节点的多个桥元件。多个桥元件被配置为使用与多个服务器计算机的地址相关联的组成员信息将多播数据帧的副本转发到多个计算节点。耦合到所述多个桥接元件的控制桥被配置为将所述组成员信息传递到所述多个桥接元件。

5. 发明授权

US08594090B2 Multicasting using a multitiered distributed virtual bridge hierarchy 有权
标题翻译：使用多层分布式虚拟网桥层次结构进行组播
公开(公告)号：US08594090B2
公开(公告)日：2013-11-26
申请号：US13485766
申请日：2012-05-31
申请人： William J. Armstrong , Claude Basso , Josep Cors , Kyle A. Lucke , David A. Shedivy , Kenneth M. Valk , Bruce M. Walk
发明人： William J. Armstrong , Claude Basso , Josep Cors , Kyle A. Lucke , David A. Shedivy , Kenneth M. Valk , Bruce M. Walk
IPC分类号： H04L12/28
CPC分类号： H04L12/4625 , H04L45/16
摘要： Systems and methods to multicast data frames are provided. A particular apparatus includes a plurality of computing nodes and a distributed virtual bridge. The distributed virtual bridge includes a plurality of bridge elements coupled to the plurality of computing nodes. The plurality of bridge elements are configured to forward a copy of a multicast data frame to the plurality of computing nodes using group member information associated with addresses of the plurality of server computers. A controlling bridge coupled to the plurality of bridge elements is configured to communicate the group member information to the plurality of bridge elements.
摘要翻译：提供了组播数据帧的系统和方法。特定装置包括多个计算节点和分布式虚拟桥。分布式虚拟桥包括耦合到多个计算节点的多个桥元件。多个桥元件被配置为使用与多个服务器计算机的地址相关联的组成员信息将多播数据帧的副本转发到多个计算节点。耦合到所述多个桥接元件的控制桥被配置为将所述组成员信息传递到所述多个桥接元件。

6. 发明申请

US20120236858A1 MULTICASTING USING A MULTITIERED DISTRIBUTED VIRTUAL BRIDGE HIERARCHY 有权
标题翻译：使用多媒体分布式虚拟桥梁层次分析
公开(公告)号：US20120236858A1
公开(公告)日：2012-09-20
申请号：US13485766
申请日：2012-05-31
申请人： William J. Armstrong , Claude Basso , Josep Cors , Kyle A. Lucke , David A. Shedivy , Kenneth M. Valk , Bruce M. Walk
发明人： William J. Armstrong , Claude Basso , Josep Cors , Kyle A. Lucke , David A. Shedivy , Kenneth M. Valk , Bruce M. Walk
IPC分类号： H04L12/56
CPC分类号： H04L12/4625 , H04L45/16
摘要： Systems and methods to multicast data frames are provided. A particular apparatus includes a plurality of computing nodes and a distributed virtual bridge. The distributed virtual bridge includes a plurality of bridge elements coupled to the plurality of computing nodes. The plurality of bridge elements are configured to forward a copy of a multicast data frame to the plurality of computing nodes using group member information associated with addresses of the plurality of server computers. A controlling bridge coupled to the plurality of bridge elements is configured to communicate the group member information to the plurality of bridge elements.
摘要翻译：提供了组播数据帧的系统和方法。特定装置包括多个计算节点和分布式虚拟桥。分布式虚拟桥包括耦合到多个计算节点的多个桥元件。多个桥元件被配置为使用与多个服务器计算机的地址相关联的组成员信息将多播数据帧的副本转发到多个计算节点。耦合到所述多个桥接元件的控制桥被配置为将所述组成员信息传递到所述多个桥接元件。

7. 发明授权

US08811406B2 Delivering multicast frames to aggregated link trunks in a distributed switch 有权
公开(公告)号：US08811406B2
公开(公告)日：2014-08-19
申请号：US13420259
申请日：2012-03-14
申请人： Claude Basso , Todd A. Greenfield , Bruce M. Walk
发明人： Claude Basso , Todd A. Greenfield , Bruce M. Walk
IPC分类号： H04L12/28 , H04L12/54 , H04J3/14 , H04W72/00
CPC分类号： H04L45/16 , H04L49/201 , H04L49/351 , H04L49/70
摘要： A distributed switch may include a plurality of sub-switches. These sub-switches may be arranged in a hierarchy that increases the available bandwidth for transmitting multicast data frames across the switch fabric. Moreover, the distributed switch may be compatible with link aggregation where multiple physical connections are grouped together to create an aggregated (logical) link. Link aggregation requires similar data frames to use the same data path when traversing the distributed switch. With a unicast data frame, the sub-switch in the distributed switch that receives the data frame typically identifies the destination port (during a process called link selection) and forwards the data frame to the sub-switch containing that port. However, with multicast data frames, instead of the receiving sub-switch performing link selection to determine the destination port, link selection may be done by a different sub-switch or not done at all.

8. 发明授权

US08913620B2 Multicast traffic generation using hierarchical replication mechanisms for distributed switches 有权
标题翻译：使用分布式交换机的分层复制机制的组播流量生成
公开(公告)号：US08913620B2
公开(公告)日：2014-12-16
申请号：US13420203
申请日：2012-03-14
申请人： Claude Basso , Todd A. Greenfield , Bruce M. Walk
发明人： Claude Basso , Todd A. Greenfield , Bruce M. Walk
IPC分类号： H04L12/28 , H04L1/00 , H04L12/66 , H04H20/71 , H04J3/16 , H04J3/24 , H04J3/26 , G06F15/173 , H04W72/00
CPC分类号： H04L45/16 , H04L49/201 , H04L49/351 , H04L49/70
摘要： A distributed switch may include a hierarchy with one or more levels of surrogate sub-switches (and surrogate bridge elements) that enable the distributed switch to scale bandwidth based on the size of the membership of a multicast group. When a sub-switch receives a multicast data frame, it forwards the packet to one of the surrogate sub-switches. Each surrogate sub-switch may then forward the packet to another surrogate in a different hierarchical level or to a destination computing device. Because the surrogates may transmit the data frame in parallel using two or more connection interfaces, the bandwidth used to forward the multicast packet increases for each surrogate used.
摘要翻译：分布式交换机可以包括具有使得分布式交换机能够基于多播组的成员资格的大小来缩放带宽的代理子交换机（和代理桥元素）的一个或多个级别的层级。当子交换机接收到组播数据帧时，它将数据包转发到其中一个代理子交换机。然后，每个代理子交换机可以将分组转发到不同层级的另一个代理或转发到目的地计算设备。由于代理可以使用两个或多个连接接口并行传输数据帧，所以用于转发组播数据包的带宽随着使用的每个代理而增加。

9. 发明授权

US08953619B2 Dynamic optimization of a multicast tree hierarchy for a distributed switch 有权
标题翻译：分布式交换机的组播树层次结构的动态优化
公开(公告)号：US08953619B2
公开(公告)日：2015-02-10
申请号：US13420232
申请日：2012-03-14
申请人： Claude Basso , Todd A. Greenfield , Bruce M. Walk
发明人： Claude Basso , Todd A. Greenfield , Bruce M. Walk
IPC分类号： H04L12/28 , H04L12/26 , H04L1/00 , H04L12/54 , H04L12/66 , H04J3/14 , H04H20/71 , G01R31/08 , G06F11/00 , G06F15/173
CPC分类号： H04L12/18 , H04L12/185
摘要： A distributed switch may include a hierarchy with one or more levels of surrogate sub-switches (and surrogate bridge elements) that enable the distributed switch to scale bandwidth based on the size of the membership of a multicast group. Moreover, each surrogate may optimize the hierarchy according to one or more optimization criteria. For example, each surrogate in the hierarchy may have the necessary information to ensure that if the next surrogate in the hierarchy is unavailable, the data may be routed to a backup surrogate. The selected hierarchy may be further optimized by skipping surrogates (or a surrogate level) such that the data intended for a skipped surrogate is sent to a surrogate in a lower-level of the hierarchy. This may better utilize the connection interfaces in the transmitting sub-switches and eliminate any unnecessary surrogate-to-surrogate transfers.
摘要翻译：分布式交换机可以包括具有使得分布式交换机能够基于多播组的成员资格的大小来缩放带宽的代理子交换机（和代理桥元素）的一个或多个级别的层级。此外，每个代理可以根据一个或多个优化标准优化层次。例如，层次结构中的每个代理可以具有必要的信息，以确保如果层次结构中的下一个代理不可用，则数据可以被路由到备用代理。可以通过跳过代理（或替代级别）来进一步优化所选择的层次结构，使得用于跳过的代理的数据被发送到层次结构的较低级别的代理。这可以更好地利用发送子交换机中的连接接口，并消除任何不必要的替代代理转移。

10. 发明申请

US20130242988A1 DELIVERING MULTICAST FRAMES TO AGGREGATED LINK TRUNKS IN A DISTRIBUTED SWITCH 有权
标题翻译：在分布式交换机中传送多媒体帧
公开(公告)号：US20130242988A1
公开(公告)日：2013-09-19
申请号：US13420259
申请日：2012-03-14
申请人： Claude Basso , Todd A. Greenfield , Bruce M. Walk
发明人： Claude Basso , Todd A. Greenfield , Bruce M. Walk
IPC分类号： H04L12/56
CPC分类号： H04L45/16 , H04L49/201 , H04L49/351 , H04L49/70
摘要： A distributed switch may include a plurality of sub-switches. These sub-switches may be arranged in a hierarchy that increases the available bandwidth for transmitting multicast data frames across the switch fabric. Moreover, the distributed switch may be compatible with link aggregation where multiple physical connections are grouped together to create an aggregated (logical) link. Link aggregation requires similar data frames to use the same data path when traversing the distributed switch. With a unicast data frame, the sub-switch in the distributed switch that receives the data frame typically identifies the destination port (during a process called link selection) and forwards the data frame to the sub-switch containing that port. However, with multicast data frames, instead of the receiving sub-switch performing link selection to determine the destination port, link selection may be done by a different sub-switch or not done at all.
摘要翻译：分布式交换机可以包括多个子交换机。这些子交换机可以以层次结构来布置，从而增加跨越交换结构传输多播数据帧的可用带宽。此外，分布式交换机可以与链路聚合兼容，其中多个物理连接被分组在一起以创建聚合（逻辑）链路。链路聚合需要相似的数据帧才能在穿过分布式交换机时使用相同的数据路径。通过单播数据帧，接收数据帧的分布式交换机中的子交换机通常标识目的端口（在称为链路选择的过程中），并将数据帧转发到包含该端口的子交换机。然而，使用组播数据帧，代替执行链路选择的接收子交换机来确定目的地端口，链路选择可以由不同的子交换机完成，或者根本不完成。

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