公开(公告)号：US20090086620A1

公开(公告)日：2009-04-02

申请号：US12238911

申请日：2008-09-26

申请人： Hayden FOWLER ,  Tim Beale ,  Sharee McNab ,  Seiichiro Satoh

发明人： Hayden FOWLER ,  Tim Beale ,  Sharee McNab ,  Seiichiro Satoh

IPC分类号： H04J1/16

CPC分类号： H04L12/40169 ,  H04L12/437 ,  H04L12/44 ,  H04L45/58

摘要： A resiliency-link having a master node and slave nodes may be used to automatically avoid network conflicts due to failure of a node stack. Any stack stub formed as a result of the failure of a stack node or link may use the resiliency-link to determine whether the stack Master node is still online and providing service. If communication over the resiliency-link determines that the original Master node is offline, a new stack stub takes over and provides the desired service. If the original Master node is still online, then the new stack stub takes an appropriate alternative or fallback action.

摘要翻译： 可以使用具有主节点和从节点的弹性链路来自动避免由于节点堆栈的故障引起的网络冲突。 由于堆栈节点或链路故障而形成的任何栈存根可以使用弹性链路来确定堆叠主节点是否仍然在线并提供服务。 如果通过弹性链路的通信确定原始主节点处于脱机状态，则新的堆栈存根接管并提供所需的服务。 如果原始主节点仍然在线，则新的堆栈存根将采取适当的替代或回退操作。

公开(公告)号：US08467303B2

公开(公告)日：2013-06-18

申请号：US12238911

申请日：2008-09-26

申请人： Hayden Fowler ,  Tim Beale ,  Sharee McNab ,  Seiichiro Satoh

发明人： Hayden Fowler ,  Tim Beale ,  Sharee McNab ,  Seiichiro Satoh

IPC分类号： H04L12/26

CPC分类号： H04L12/40169 ,  H04L12/437 ,  H04L12/44 ,  H04L45/58

摘要： A resiliency-link having a master node and slave nodes may be used to automatically avoid network conflicts due to failure of a node stack. Any stack stub formed as a result of the failure of a stack node or link may use the resiliency-link to determine whether the stack Master node is still online and providing service. If communication over the resiliency-link determines that the original Master node is offline, a new stack stub takes over and provides the desired service. If the original Master node is still online, then the new stack stub takes an appropriate alternative or fallback action.

摘要翻译： 可以使用具有主节点和从节点的弹性链路来自动避免由于节点堆栈的故障引起的网络冲突。 由于堆栈节点或链路故障而形成的任何栈存根可以使用弹性链路来确定堆叠主节点是否仍然在线并提供服务。 如果通过弹性链路的通信确定原始主节点处于脱机状态，则新的堆栈存根接管并提供所需的服务。 如果原始主节点仍然在线，则新的堆栈存根将采取适当的替代或回退操作。

公开(公告)号：US20090249115A1

公开(公告)日：2009-10-01

申请号：US12364225

申请日：2009-02-02

申请人： Nathan Bycroft ,  Seiichiro Satoh ,  Graham Walker

发明人： Nathan Bycroft ,  Seiichiro Satoh ,  Graham Walker

IPC分类号： G06F11/00

CPC分类号： H04L12/462 ,  H04L41/0654 ,  H04L41/08 ,  H04L69/40 ,  H04M7/0057

摘要： The present invention is directed to a method and system for providing redundancy and resiliency features to network devices, such as switches and routers, that do not have built-in redundancy and resiliency features. Health-check messages are periodically transmitted over a first link that transmits network data. Upon detecting a failure of the first link, transmission of network data is switched to a second redundant link, while health check messages continue to be periodically transmitted over the first link. Upon detecting that the first link has been restored, transmission of network data is switched to the first link.

摘要翻译： 本发明涉及一种用于向没有内置冗余和弹性特征的网络设备（例如交换机和路由器）提供冗余和弹性特征的方法和系统。 健康检查消息通过传输网络数据的第一个链路周期性地传输。 当检测到第一链路的故障时，网络数据的传输被切换到第二冗余链路，而健康检查消息在第一链路上继续周期性地发送。 在检测到第一链路已被恢复时，网络数据的传输被切换到第一链路。