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公开(公告)号：US07864706B1
公开(公告)日：2011-01-04
申请号：US12080749
申请日：2008-04-04
IPC分类号： H04L12/28
摘要： A method is disclosed for preventing an unstable BGP Peer from repeatedly initializing unstable BGP connections. In one embodiment, BGP speakers are penalized for causing errors that result in BGP restarts. When a speaker accumulates enough penalty points, its peer notifies it that it has been dampened (prevented from establishing a BGP connection). A memory decay function allows the speaker to automatically attempt a new connection once a given amount of time has passed. The method allows at least two, and possibly more, BGP speakers to avoid network and processor costs from servicing unstable BGP peerings.
摘要翻译： 公开了一种防止不稳定BGP对等体重复初始化不稳定BGP连接的方法。 在一个实施例中，BGP扬声器受到惩罚，导致导致BGP重新启动的错误。 当扬声器累积足够的点数时，其对等体通知它已被阻止（阻止建立BGP连接）。 记忆衰减功能允许扬声器在一段时间过去后自动尝试新的连接。 该方法允许至少两个，也可能是更多的BGP扬声器，以避免服务不稳定的BGP对等体的网络和处理器成本。
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公开(公告)号：US09077607B2
公开(公告)日：2015-07-07
申请号：US12842242
申请日：2010-07-23
申请人： Kalpesh Zinjuwadia , Srikanth Rao
发明人： Kalpesh Zinjuwadia , Srikanth Rao
IPC分类号： H04L12/66 , H04L29/06 , G06F15/16 , G06F15/173 , H04L12/751 , H04L12/741 , H04L12/721 , H04L12/813 , H04L12/715
CPC分类号： H04L45/02 , H04L29/06578 , H04L45/04 , H04L45/44 , H04L45/745 , H04L47/20 , H04L63/0227
摘要： A BGP capable packet network device is located at the boundary of an autonomous network and in communication with a peer BGP capable packet network device in a neighboring autonomous network. The BGP capable packet network device is comprised of one or more line cards for receiving and, processing and sending packets of information, and for receiving and forwarding routing update information to a route processor comprising the packet network device. The route processor runs a border gateway protocol which is configured with one or more policies that operate to filter the routing update information received from the line card. The routing update information filter is comprised of at least one variable length path attribute and the filter operates such that it only applies the variable length path attribute one time to the routing update information.
摘要翻译： 一个BGP能力的分组网络设备位于自治网络的边界，并与相邻自治网络中的具有对等BGP功能的分组网络设备进行通信。 BGP功能的分组网络设备由一个或多个线卡组成，用于接收和处理和发送信息包，并且用于接收和转发路由更新信息到包括分组网络设备的路由处理器。 路由处理器运行边界网关协议，其配置有一个或多个策略，用于对从线卡接收的路由更新信息进行过滤。 路由更新信息过滤器由至少一个可变长度路径属性组成，并且过滤器操作，使得其仅将一次可变长度路径属性应用于路由更新信息。
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公开(公告)号：US08611251B2
公开(公告)日：2013-12-17
申请号：US13023303
申请日：2011-02-08
CPC分类号： H04L45/02
摘要： A packet network device, such as a router or switch, includes functionality that operates to receive network traffic, process the traffic as needed and to forward the traffic to its destination. Additionally, each router includes a weighted equal cost multipath routing function that operates to identify equal cost paths over which to forward the network traffic, to calculate a path weighting that is dependent upon the path bandwidth and to forward the traffic ingressing to it over each of the equal cost paths according to the calculated path weighting.
摘要翻译： 分组网络设备（例如路由器或交换机）包括操作以接收网络流量的功能，根据需要处理流量并将流量转发到其目的地。 另外，每个路由器包括加权的相等成本的多路径路由功能，其操作以识别用于转发网络流量的相同的成本路径，以计算取决于路径带宽的路径加权，并且将流量进入到 根据计算的路径加权等成本路径。
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公开(公告)号：US20130301640A9
公开(公告)日：2013-11-14
申请号：US13023303
申请日：2011-02-08
IPC分类号： H04L12/56
CPC分类号： H04L45/02
摘要： A packet network device, such as a router or switch, includes functionality that operates to receive network traffic, process the traffic as needed and to forward the traffic to its destination. Additionally, each router includes a weighted equal cost multipath routing function that operates to identify equal cost paths over which to forward the network traffic, to calculate a path weighting that is dependent upon the path bandwidth and to forward the traffic ingressing to it over each of the equal cost paths according to the calculated path weighting.
摘要翻译： 分组网络设备（例如路由器或交换机）包括操作以接收网络流量的功能，根据需要处理流量并将流量转发到其目的地。 另外，每个路由器包括加权的相等成本的多路径路由功能，其操作以识别用于转发网络流量的相同的成本路径，以计算取决于路径带宽的路径加权，并且将流量进入到 根据计算的路径加权等成本路径。
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公开(公告)号：US20120201241A1
公开(公告)日：2012-08-09
申请号：US13023303
申请日：2011-02-08
IPC分类号： H04L12/56
CPC分类号： H04L45/02
摘要： A packet network device, such as a router or switch, includes functionality that operates to receive network traffic, process the traffic as needed and to forward the traffic to its destination. Additionally, each router includes a weighted equal cost multipath routing function that operates to identify equal cost paths over which to forward the network traffic, to calculate a path weighting that is dependent upon the path bandwidth and to forward the traffic ingressing to it over each of the equal cost paths according to the calculated path weighting.
摘要翻译： 分组网络设备（例如路由器或交换机）包括操作以接收网络流量的功能，根据需要处理流量并将流量转发到其目的地。 另外，每个路由器包括加权的相等成本的多路径路由功能，其操作以识别用于转发网络流量的相同的成本路径，以计算取决于路径带宽的路径加权，并且将流量进入到 根据计算的路径加权等成本路径。
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公开(公告)号：US08630297B2
公开(公告)日：2014-01-14
申请号：US13023294
申请日：2011-02-08
CPC分类号： H04L45/125 , H04L45/245 , H04L47/125
摘要： A packet network system, such as an autonomous system, includes a plurality of packet network devices some of which are edge routers and some of which are core routers. Each of the edge and core routers include functionality that operates to receive network traffic, process the traffic as needed and to forward the traffic to its destination. Additionally, each router includes a traffic distribution function that operates to calculate path bandwidths for all of the paths over which the traffic can be forwarding through the system and to use the volume of traffic ingressing to the system, link utilization information and the calculated path bandwidth to redistribute the traffic in the system such that traffic loss in the system in minimized.
摘要翻译： 诸如自治系统的分组网络系统包括多个分组网络设备，其中一些分组网络设备是边缘路由器，并且其中一些是核心路由器。 边缘和核心路由器中的每一个包括操作以接收网络流量的功能，根据需要处理流量并将流量转发到其目的地。 另外，每个路由器包括流量分配功能，用于计算流量可以通过系统转发的所有路径的路径带宽，并使用到系统入口的流量，链路利用率信息和计算的路径带宽 重新分配系统中的流量，使系统中的流量损失最小化。
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公开(公告)号：US08432914B2
公开(公告)日：2013-04-30
申请号：US12951276
申请日：2010-11-22
申请人： Kalpesh Zinjuwadia , Srikanth Rao
发明人： Kalpesh Zinjuwadia , Srikanth Rao
IPC分类号： H04L12/56
CPC分类号： H04L45/04 , H04L45/021 , H04L45/54 , H04L45/745
摘要： A packet network device includes a route processor that operates to maintain one or more forwarding tables and it includes one or more line cards that operate to process information received by the packet network device from the network and to forward the information to its correct destination. The route processor also operates to identify which incoming prefixes can be used to update the forwarding tables or to identify prefixes stored in the packet network device that can be redistributed from one network protocol to another network protocol running on the route processor. A table management function running on the route processor operates to identify the best match between an incoming prefix and information included in policy statement associated with both an ordered prefix-list and a radix tree structure.
摘要翻译： 分组网络设备包括操作以维护一个或多个转发表的路由处理器，并且其包括一个或多个线卡，其操作以处理由分组网络设备从网络接收的信息，并将信息转发到其正确的目的地。 路由处理器还用于识别可以使用哪些入站前缀来更新转发表，或者识别存储在分组网络设备中的可以从一个网络协议重新分配到在路由处理器上运行的另一个网络协议的前缀。 在路由处理器上运行的表管理功能用于识别输入前缀和包括在与有序前缀列表和基数树结构相关联的策略语句中的信息之间的最佳匹配。
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公开(公告)号：US20120201252A1
公开(公告)日：2012-08-09
申请号：US13023294
申请日：2011-02-08
CPC分类号： H04L45/125 , H04L45/245 , H04L47/125
摘要： A packet network system, such as an autonomous system, includes a plurality of packet network devices some of which are edge routers and some of which are core routers. Each of the edge and core routers include functionality that operates to receive network traffic, process the traffic as needed and to forward the traffic to its destination. Additionally, each router includes a traffic distribution function that operates to calculate path bandwidths for all of the paths over which the traffic can be forwarding through the system and to use the volume of traffic ingressing to the system, link utilization information and the calculated path bandwidth to redistribute the traffic in the system such that traffic loss in the system in minimized.
摘要翻译： 诸如自治系统的分组网络系统包括多个分组网络设备，其中一些分组网络设备是边缘路由器，并且其中一些是核心路由器。 边缘和核心路由器中的每一个包括操作以接收网络流量的功能，根据需要处理流量并将流量转发到其目的地。 另外，每个路由器包括流量分配功能，用于计算流量可以通过系统转发的所有路径的路径带宽，并使用到系统入口的流量，链路利用率信息和计算的路径带宽 重新分配系统中的流量，使系统中的流量损失最小化。
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公开(公告)号：US20120127997A1
公开(公告)日：2012-05-24
申请号：US12951276
申请日：2010-11-22
申请人： KALPESH ZINJUWADIA , Srikanth Rao
发明人： KALPESH ZINJUWADIA , Srikanth Rao
IPC分类号： H04L12/56
CPC分类号： H04L45/04 , H04L45/021 , H04L45/54 , H04L45/745
摘要： A packet network device includes a route processor that operates to maintain one or more forwarding tables and it includes one or more line cards that operate to process information received by the packet network device from the network and to forward the information to its correct destination. The route processor also operates to identify which incoming prefixes can be used to update the forwarding tables or to identify prefixes stored in the packet network device that can be redistributed from one network protocol to another network protocol running on the route processor. A table management function running on the route processor operates to identify the best match between an incoming prefix and information included in policy statement associated with both an ordered prefix-list and a radix tree structure.
摘要翻译： 分组网络设备包括操作以维护一个或多个转发表的路由处理器，并且其包括一个或多个线卡，其操作以处理由分组网络设备从网络接收的信息，并将信息转发到其正确的目的地。 路由处理器还用于识别可以使用哪些入站前缀来更新转发表，或者识别存储在分组网络设备中的可以从一个网络协议重新分配到在路由处理器上运行的另一个网络协议的前缀。 在路由处理器上运行的表管理功能用于识别输入前缀和包括在与有序前缀列表和基数树结构相关联的策略语句中的信息之间的最佳匹配。
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公开(公告)号：US20120020364A1
公开(公告)日：2012-01-26
申请号：US12842242
申请日：2010-07-23
申请人： KALPESH ZINJUWADIA , Srikanth Rao
发明人： KALPESH ZINJUWADIA , Srikanth Rao
IPC分类号： H04L12/56
CPC分类号： H04L45/02 , H04L29/06578 , H04L45/04 , H04L45/44 , H04L45/745 , H04L47/20 , H04L63/0227
摘要： A BGP capable packet network device is located at the boundary of an autonomous network and in communication with a peer BGP capable packet network device in a neighboring autonomous network. The BGP capable packet network device is comprised of one or more line cards for receiving and, processing and sending packets of information, and for receiving and forwarding routing update information to a route processor comprising the packet network device. The route processor runs a border gateway protocol which is configured with one or more policies that operate to filter the routing update information received from the line card. The routing update information filter is comprised of at least one variable length path attribute and the filter operates such that it only applies the variable length path attribute one time to the routing update information.
摘要翻译： 一个BGP能力的分组网络设备位于自治网络的边界，并与相邻自治网络中的具有对等BGP功能的分组网络设备进行通信。 BGP功能的分组网络设备由一个或多个线卡组成，用于接收和处理和发送信息包，并且用于接收和转发路由更新信息到包括分组网络设备的路由处理器。 路由处理器运行边界网关协议，其配置有一个或多个策略，用于对从线卡接收的路由更新信息进行过滤。 路由更新信息过滤器由至少一个可变长度路径属性组成，并且过滤器操作，使得其仅将一次可变长度路径属性应用于路由更新信息。
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