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1. 发明授权

US07173934B2 System, device, and method for improving communication network reliability using trunk splitting 有权
标题翻译：使用中继分割提高通信网络可靠性的系统，设备和方法
公开(公告)号：US07173934B2
公开(公告)日：2007-02-06
申请号：US10125654
申请日：2002-04-18
申请人： Roger Lapuh , Yili Zhao , Wassim Tawbi , Joseph M. Regan , David Head
发明人： Roger Lapuh , Yili Zhao , Wassim Tawbi , Joseph M. Regan , David Head
IPC分类号： H04L12/56 , H04L12/28
CPC分类号： H04L61/35 , H04L29/12009 , H04L29/12783 , H04L45/245 , H04L69/18 , H04L69/40 , Y02D50/30
摘要： A multilink trunk from a client device in a communication network is split between two aggregation devices such that each aggregation device is connected to at least one link of the multilink trunk. The aggregation devices work in conjunction to appear to the client device as a single device connected to the client device over the multilink trunk. The aggregation devices transmit identical bridge protocol data units to the client device over their respective links of the multilink trunk. The aggregation devices exchange operational information and data packets over inter-device communication ports. A failure of the split multilink trunk at one aggregation device is restored through the other aggregation device.
摘要翻译：来自通信网络中的客户端设备的多链路中继在两个聚合设备之间被分割，使得每个聚合设备连接到多链路中继线的至少一个链路。聚合设备一起工作，作为通过多链路中继连接到客户端设备的单个设备向客户端设备显示。聚合设备通过其多链路干线的各自链路将相同的桥协议数据单元发送到客户端设备。聚合设备通过设备间通信端口交换操作信息和数据包。在一个聚合设备处的分离多链路中继的故障通过另一聚合设备恢复。

2. 发明申请

US20100189106A1 Method and Apparatus for Enabling Multicast Over Split Multilink Trunking 审中-公开
标题翻译：分组多链路中继多播的方法和装置
公开(公告)号：US20100189106A1
公开(公告)日：2010-07-29
申请号：US12753634
申请日：2010-04-02
申请人： Behfar Azimi , Wassim Tawbi , Roger Lapuh , Avoy Nanda , Ruchi Vats
发明人： Behfar Azimi , Wassim Tawbi , Roger Lapuh , Avoy Nanda , Ruchi Vats
IPC分类号： H04L12/56
CPC分类号： H04L45/00 , H04L12/18 , H04L45/16 , H04L45/28
摘要： Multicast traffic may be routed using DVMRP or PIM over a Split MultiLink Trunk (SMLT). Network elements on the split side of the SMLT are interconnected by an Inter-Switch Trunk (IST) to enable them to exchange control messages associated with the multicast. When a control message is received on the IST, the network element will determine if the multicast control message is associated with a normal multicast or is associated with multicast over an SMLT link. Control messages related to SMLT links will be processed as if they were received over the SMLT link rather than the IST link. To prevent traffic from being forwarded by multiple network elements over the SMLT link, data traffic from an IST link may not be transmitted over an SMLT link. Flags are used to indicate whether a link is a SMLT link or regular link. Fast recovery may occur by causing participants to transmit triggered join messages upon recovery from a failure.
摘要翻译：可以通过分割多链路中继（SMLT）使用DVMRP或PIM路由组播流量。 SMLT分裂侧的网元通过交换机间中继（IST）互连，使其能够交换与组播关联的控制消息。当在IST上接收到控制消息时，网元将确定组播控制消息是否与正常组播相关联，或者通过SMLT链路与多播相关联。控制与SMLT链接相关的消息将被处理，就好像它们是通过SMLT链接而不是IST链接接收的。为了防止多个网元通过SMLT链路转发流量，来自IST链路的数据流量可能不会通过SMLT链路传输。标志用于指示链接是SMLT链接还是常规链接。通过使参与者在从故障中恢复时发送触发的连接消息，可能会发生快速恢复。

3. 发明授权

US07719958B1 Method and apparatus for enabling multicast over split multilink trunking 有权
标题翻译：用于启用组播多分组多链路集群的方法和装置
公开(公告)号：US07719958B1
公开(公告)日：2010-05-18
申请号：US11238714
申请日：2005-09-29
申请人： Behfar Azimi , Wassim Tawbi , Roger Lapuh , Avoy Nanda , Ruchi Vats
发明人： Behfar Azimi , Wassim Tawbi , Roger Lapuh , Avoy Nanda , Ruchi Vats
IPC分类号： H04L12/56
CPC分类号： H04L45/00 , H04L12/18 , H04L45/16 , H04L45/28
摘要： Multicast traffic may be routed using DVMRP or PIM over a Split MultiLink Trunk (SMLT). Network elements on the split side of the SMLT are interconnected by an Inter-Switch Trunk (IST) to enable them to exchange control messages associated with the multicast. When a control message is received on the IST, the network element will determine if the multicast control message is associated with a normal multicast or is associated with multicast over an SMLT link. Control messages related to SMLT links will be processed as if they were received over the SMLT link rather than the IST link. To prevent traffic from being forwarded by multiple network elements over the SMLT link, data traffic from an IST link may not be transmitted over an SMLT link. Flags are used to indicate whether a link is a SMLT link or regular link. Fast recovery may occur by causing participants to transmit triggered join messages upon recovery from a failure.
摘要翻译：可以通过分割多链路中继（SMLT）使用DVMRP或PIM路由组播流量。 SMLT分裂侧的网元通过交换机间中继（IST）互连，使其能够交换与组播关联的控制消息。当在IST上接收到控制消息时，网元将确定组播控制消息是否与正常组播相关联，或者通过SMLT链路与多播相关联。控制与SMLT链接相关的消息将被处理，就好像它们是通过SMLT链接而不是IST链接接收的。为了防止多个网元通过SMLT链路转发流量，来自IST链路的数据流量可能不会通过SMLT链路传输。标志用于指示链接是SMLT链接还是常规链接。通过使参与者在从故障中恢复时发送触发的连接消息，可能会发生快速恢复。

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