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1. 发明授权

US06389130B1 Public switched telephone network call routing using dyamic asynchronous mode transfer bearer voice trunking 失效
标题翻译：公共交换电话网络呼叫路由使用动态异步模式转移承载语音中继
公开(公告)号：US06389130B1
公开(公告)日：2002-05-14
申请号：US09540006
申请日：2000-03-30
申请人： George Shenoda , Andrew P. Alleman
发明人： George Shenoda , Andrew P. Alleman
IPC分类号： H04L1228
CPC分类号： H04Q11/0478 , H04L69/08 , H04L2012/563 , H04L2012/5654 , H04L2012/5663
摘要： The distributed architecture switch of the invention provides a scalable, flexible switching device to route telephone calls and other data (e.g., frame relay, ISDN) over an asynchronous transfer mode (ATM) network. The switch includes multiple service modules that can be geographically disparate and function as a single switching device. The multiple service modules are coupled to a system controller that controls the service modules and passes messages between the service modules.
摘要翻译：本发明的分布式架构交换机提供了一种可扩展的，灵活的交换设备，用于通过异步传输模式（ATM）网络路由电话呼叫和其他数据（例如，帧中继，ISDN）。交换机包括可以在地理上不同的多个服务模块，并且用作单个交换设备。多个服务模块耦合到控制服务模块并在服务模块之间传递消息的系统控制器。

2. 发明申请

US20130201989A1 STATELESS LOAD BALANCER IN A MULTI-NODE SYSTEM FOR TRANSPARENT PROCESSING WITH PACKET PRESERVATION 失效
标题翻译：用于具有分组保存的透明处理的多节点系统中的无状态负载平衡
公开(公告)号：US20130201989A1
公开(公告)日：2013-08-08
申请号：US13369070
申请日：2012-02-08
申请人： Michael W. Hu , Andrew P. Alleman
发明人： Michael W. Hu , Andrew P. Alleman
IPC分类号： H04L12/56
CPC分类号： H04L47/825 , H04L45/24 , H04L45/72 , H04L45/7453 , H04L47/125 , H04L2212/00
摘要： Stateless load balancing of network packets within a system avoids detection by a network client or end user for deep packet inspection or other bump-in-the-wire applications. At least one header field of a received packet is used in generating a hash value. The hash value is used to identify a processing resource within the system for processing the received packet. Before being sent to the identified resource, the received packet is encapsulated with a new header that includes an indication of ingress port. The encapsulation does not modify the original packet. On a return path from the identified processing resource, the ingress port is determined from the encapsulated packet, the encapsulated packet is decapsulated to obtain a recovered packet that is identical to the received packet, and the recovered packet is forwarded to the network through an egress port as determined from the recovered ingress port.
摘要翻译：系统内的网络数据包的无状态负载平衡可以避免网络客户端或最终用户对深度数据包检测或其他连接中的应用程序的检测。接收到的分组的至少一个报头字段用于生成哈希值。哈希值用于标识系统内的处理资源以处理接收到的数据包。在发送到所识别的资源之前，所接收的分组被封装有包括入口端口的指示的新的报头。封装不修改原始数据包。在从所识别的处理资源的返回路径上，从封装的分组确定入口端口，封装的分组被解封装以获得与接收到的分组相同的恢复分组，并且恢复的分组通过出口被转发到网络端口从恢复的入口端口确定。

3. 发明授权

US08711681B2 Switch redundancy in systems with dual-star backplanes 失效
标题翻译：在具有双星背景的系统中切换冗余
公开(公告)号：US08711681B2
公开(公告)日：2014-04-29
申请号：US13369073
申请日：2012-02-08
申请人： Michael W. Hu , Andrew P. Alleman
发明人： Michael W. Hu , Andrew P. Alleman
IPC分类号： H04L1/00
CPC分类号： H04L41/0668
摘要： Backplane redundancy is provided for a system including multiple nodes that communicate packets through first and second switches. Assuming that the first switch is initially assigned to an active state and the second switch to a standby state, the nodes communicate the data packets through physically enabled first backplane links to the first switch. The nodes physically enable second backplane links that are in a condition to communicate the data packets to the second switch. A messageless failover process is initiated by temporarily disabling, at the first switch, the first backplane links between the first switch and the nodes. In response to the nodes detecting the disabled first backplane links to the first switch, the nodes reconfigure themselves to communicate the data packets through the second backplane links to the second switch and to stop communicating the packets through the first backplane links to the first switch.
摘要翻译：为包括通过第一和第二交换机传送数据包的多个节点的系统提供了背板冗余。假设第一交换机最初被分配到活动状态并且第二交换机处于待机状态，节点通过物理上启用的第一背板链路将数据分组通信到第一交换机。节点物理地启用处于将数据分组传送到第二交换机的条件的第二背板链路。通过在第一交换机处暂时禁用第一交换机和节点之间的第一背板链路来启动无消息的故障转移过程。响应于节点检测到第一交换机的禁用的第一背板链路，节点重新配置自身以将数据分组通过第二背板链路传送到第二交换机，并停止通过第一背板链路传送分组到第一交换机。

4. 发明申请

US20130201819A1 SWITCH REDUNDANCY IN SYSTEMS WITH DUAL-STAR BACKPLANES 失效
标题翻译：在具有双星背景的系统中切换冗余
公开(公告)号：US20130201819A1
公开(公告)日：2013-08-08
申请号：US13369073
申请日：2012-02-08
申请人： Michael W. Hu , Andrew P. Alleman
发明人： Michael W. Hu , Andrew P. Alleman
IPC分类号： H04L12/24
CPC分类号： H04L41/0668
摘要： Backplane redundancy is provided for a system including multiple nodes that communicate packets through first and second switches. Assuming that the first switch is initially assigned to an active state and the second switch to a standby state, the nodes communicate the data packets through physically enabled first backplane links to the first switch. The nodes physically enable second backplane links that are in a condition to communicate the data packets to the second switch. A messageless failover process is initiated by temporarily disabling, at the first switch, the first backplane links between the first switch and the nodes. In response to the nodes detecting the disabled first backplane links to the first switch, the nodes reconfigure themselves to communicate the data packets through the second backplane links to the second switch and to stop communicating the packets through the first backplane links to the first switch.
摘要翻译：为包括通过第一和第二交换机传送数据包的多个节点的系统提供了背板冗余。假设第一交换机最初被分配到活动状态并且第二交换机处于待机状态，节点通过物理上启用的第一背板链路将数据分组通信到第一交换机。节点物理地启用处于将数据分组传送到第二交换机的条件的第二背板链路。通过在第一交换机处暂时禁用第一交换机和节点之间的第一背板链路来启动无消息的故障转移过程。响应于节点检测到第一交换机的禁用的第一背板链路，节点重新配置自身以将数据分组通过第二背板链路传送到第二交换机，并停止通过第一背板链路传送分组到第一交换机。

5. 发明授权

US08553552B2 Stateless load balancer in a multi-node system for transparent processing with packet preservation 失效
标题翻译：无节点负载平衡器，用于具有数据包保存的透明处理的多节点系统
公开(公告)号：US08553552B2
公开(公告)日：2013-10-08
申请号：US13369070
申请日：2012-02-08
申请人： Michael W. Hu , Andrew P. Alleman
发明人： Michael W. Hu , Andrew P. Alleman
IPC分类号： H04L12/26 , H04L12/28 , G06F15/173
CPC分类号： H04L47/825 , H04L45/24 , H04L45/72 , H04L45/7453 , H04L47/125 , H04L2212/00
摘要： Stateless load balancing of network packets within a system avoids detection by a network client or end user for deep packet inspection or other bump-in-the-wire applications. At least one header field of a received packet is used in generating a hash value. The hash value is used to identify a processing resource within the system for processing the received packet. Before being sent to the identified resource, the received packet is encapsulated with a new header that includes an indication of ingress port. The encapsulation does not modify the original packet. On a return path from the identified processing resource, the ingress port is determined from the encapsulated packet, the encapsulated packet is decapsulated to obtain a recovered packet that is identical to the received packet, and the recovered packet is forwarded to the network through an egress port as determined from the recovered ingress port.
摘要翻译：系统内的网络数据包的无状态负载平衡可以避免网络客户端或最终用户对深度数据包检测或其他连接中的应用程序的检测。接收到的分组的至少一个报头字段用于生成哈希值。哈希值用于标识系统内的处理资源以处理接收到的数据包。在发送到所识别的资源之前，所接收的分组被封装有包括入口端口的指示的新的报头。封装不修改原始数据包。在从所识别的处理资源的返回路径上，从封装的分组确定入口端口，封装的分组被解封装以获得与接收到的分组相同的恢复分组，并且恢复的分组通过出口被转发到网络端口从恢复的入口端口确定。

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