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公开(公告)号：US09832127B2
公开(公告)日：2017-11-28
申请号：US14935846
申请日：2015-11-09
IPC分类号： H04L12/28 , H04L12/803 , H04L12/723 , H04L12/707 , H04L12/801 , H04L12/753
CPC分类号： H04L47/125 , H04L45/24 , H04L45/48 , H04L45/50 , H04L45/507 , H04L47/12 , H04L47/122
摘要： The present disclosure provides for carrying downstream mapping information in an echo request message and/or echo reply message, which can describe both IP (Internet Protocol) multipath information and label multipath information. A transit node (e.g., an LSR element) that receives an echo request message from an initiator node determines downstream mapping information, which is returned to the initiator node. Transit node determines whether a newly defined type of multipath information (type 10) should be generated to return the downstream mapping information, based on whether transit node performs load balancing based on labels or IP header information, and whether transit node imposes entropy labels. A multipath information type 10 element includes either IP multipath information or label multipath information, as well as associated label multipath information that includes one or more entropy labels that map to the IP or label multipath information being returned.
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公开(公告)号：US20160080269A1
公开(公告)日：2016-03-17
申请号：US14935846
申请日：2015-11-09
IPC分类号： H04L12/803 , H04L12/723
CPC分类号： H04L47/125 , H04L45/24 , H04L45/48 , H04L45/50 , H04L45/507 , H04L47/12 , H04L47/122
摘要： The present disclosure provides for carrying downstream mapping information in an echo request message and/or echo reply message, which can describe both IP (Internet Protocol) multipath information and label multipath information. A transit node (e.g., an LSR element) that receives an echo request message from an initiator node determines downstream mapping information, which is returned to the initiator node. Transit node determines whether a newly defined type of multipath information (type 10) should be generated to return the downstream mapping information, based on whether transit node performs load balancing based on labels or IP header information, and whether transit node imposes entropy labels. A multipath information type 10 element includes either IP multipath information or label multipath information, as well as associated label multipath information that includes one or more entropy labels that map to the IP or label multipath information being returned.
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公开(公告)号：US10348618B2
公开(公告)日：2019-07-09
申请号：US15728177
申请日：2017-10-09
IPC分类号： H04L12/703 , H04L12/707 , H04L12/715 , H04L12/46 , H04L12/721
摘要： A method, apparatus, and computer-readable storage medium are disclosed for processing shared risk group (SRG) information in communications networks. The method includes processing, at a domain in a network, first network information comprising a plurality of SRG identifiers. The processing includes producing second network information comprising a smaller number of SRG identifiers than that of the plurality of SRG identifiers. The method further includes sending at least a portion of the second network information to a second domain in the network. The apparatus includes a network interface adapted to send network information comprising SRG information, a processor coupled to the network interface, and a memory coupled to the processor and adapted to store program instructions operable to carry out steps of the method. The storage medium is configured to store program instructions that when executed are configured to cause a processor to carry out steps of the method.
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公开(公告)号：US20180034728A1
公开(公告)日：2018-02-01
申请号：US15728177
申请日：2017-10-09
IPC分类号： H04L12/703 , H04L12/707 , H04L12/715 , H04L12/721 , H04L12/46
CPC分类号： H04L45/28 , H04L12/4645 , H04L45/04 , H04L45/22 , H04L45/66
摘要： A method, apparatus, and computer-readable storage medium are disclosed for processing shared risk group (SRG) information in communications networks. The method includes processing, at a domain in a network, first network information comprising a plurality of SRG identifiers. The processing includes producing second network information comprising a smaller number of SRG identifiers than that of the plurality of SRG identifiers. The method further includes sending at least a portion of the second network information to a second domain in the network. The apparatus includes a network interface adapted to send network information comprising SRG information, a processor coupled to the network interface, and a memory coupled to the processor and adapted to store program instructions operable to carry out steps of the method. The storage medium is configured to store program instructions that when executed are configured to cause a processor to carry out steps of the method.
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公开(公告)号：US09832110B2
公开(公告)日：2017-11-28
申请号：US15197971
申请日：2016-06-30
IPC分类号： H04L12/703 , H04L12/707 , H04L12/715 , H04L12/46 , H04L12/721
CPC分类号： H04L45/28 , H04L12/4645 , H04L45/04 , H04L45/22 , H04L45/66
摘要： A method, apparatus, and computer-readable storage medium are disclosed for processing shared risk group (SRG) information in communications networks. The method includes processing, at a first network layer, first network information comprising a plurality of SRG identifiers. The processing includes producing second network information comprising a smaller number of SRG identifiers than that of the plurality of SRG identifiers. The method further includes sending at least a portion of the second network information to the second network layer. The apparatus includes a network interface adapted to send network information comprising SRG information, a processor coupled to the network interface, and a memory coupled to the processor and adapted to store program instructions operable when executed to carry out steps of the method. The storage medium is configured to store program instructions that when executed are configured to cause a processor to carry out steps of the method.
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公开(公告)号：US09467367B2
公开(公告)日：2016-10-11
申请号：US13835190
申请日：2013-03-15
IPC分类号： H04L12/723
CPC分类号： H04L45/50
摘要： In an embodiment, a method comprises: receiving a data communications packet comprising one or more labels in a label stack; determining whether a table identifier is present in the label stack. In response to determining that the table identifier is present in the label stack: based, at least in part, on the table identifier, a label table is determined; a next hop for the data communications packet is determined by performing a next-hop lookup in the label table using at least one of the one or more labels; and the data communications packet is forwarded to the next hop. In an embodiment, the method is performed by one or more computing devices.
摘要翻译： 在一个实施例中，一种方法包括：在标签堆栈中接收包括一个或多个标签的数据通信包; 确定标签堆栈中是否存在表标识符。 响应于确定表标识符存在于标签堆栈中：至少部分地基于表标识符，确定标签表; 通过使用一个或多个标签中的至少一个来执行标签表中的下一跳查找来确定数据通信分组的下一跳; 并将数据通信包转发到下一跳。 在一个实施例中，该方法由一个或多个计算设备执行。
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7.发明授权Identifying, translating and filtering shared risk groups in communications networks 有权识别，翻译和过滤通信网络中的共享风险组公开(公告)号：US09385945B2
公开(公告)日：2016-07-05
申请号：US14155640
申请日：2014-01-15
IPC分类号： H04L12/703 , H04L12/707 , H04L12/715 , H04L12/46 , H04L12/721
CPC分类号： H04L45/28 , H04L12/4645 , H04L45/04 , H04L45/22 , H04L45/66
摘要： A method, apparatus, and computer-readable storage medium are disclosed for processing shared risk group (SRG) information in communications networks. The method includes obtaining at least one SRG identifier by processing SRG information included in network information received at a first network layer from a second network layer, and processing the at least one SRG identifier using one or more operations configured to ensure that the SRG identifier is unique among a plurality of SRG identifiers. The apparatus includes a network interface adapted to receive network information comprising SRG information, a processor coupled to the network interface, and a memory coupled to the processor and adapted to obtain at least one SRG identifier by processing the SRG information and to process the at least one SRG identifier. The computer-readable storage medium is configured to store program instructions that when executed are configured to cause a processor to perform the method.
摘要翻译： 公开了用于处理通信网络中的共享风险组（SRG）信息的方法，装置和计算机可读存储介质。 该方法包括：通过处理包括在第一网络层从第二网络层接收的网络信息中的SRG信息来获得至少一个SRG标识符，以及使用一个或多个操作来处理该至少一个SRG标识符，该操作被配置为确保SRG标识符是 在多个SRG标识符中是唯一的。 所述设备包括网络接口，适于接收包括SRG信息的网络信息，耦合到所述网络接口的处理器以及耦合到所述处理器的存储器，并且适于通过处理所述SRG信息来获得至少一个SRG标识符并且至少处理 一个SRG标识符。 计算机可读存储介质被配置为存储当被执行时被配置为使处理器执行该方法的程序指令。
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公开(公告)号：US20140269714A1
公开(公告)日：2014-09-18
申请号：US13835190
申请日：2013-03-15
IPC分类号： H04L12/723
CPC分类号： H04L45/50
摘要： In an embodiment, a method comprises: receiving a data communications packet comprising one or more labels in a label stack; determining whether a table identifier is present in the label stack. In response to determining that the table identifier is present in the label stack: based, at least in part, on the table identifier, a label table is determined; a next hop for the data communications packet is determined by performing a next-hop lookup in the label table using at least one of the one or more labels; and the data communications packet is forwarded to the next hop. In an embodiment, the method is performed by one or more computing devices.
摘要翻译： 在一个实施例中，一种方法包括：在标签堆栈中接收包括一个或多个标签的数据通信包; 确定标签堆栈中是否存在表标识符。 响应于确定表标识符存在于标签堆栈中：至少部分地基于表标识符，确定标签表; 通过使用一个或多个标签中的至少一个来执行标签表中的下一跳查找来确定数据通信分组的下一跳; 并将数据通信包转发到下一跳。 在一个实施例中，该方法由一个或多个计算设备执行。
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9.发明申请IDENTIFYING, TRANSLATING AND FILTERING SHARED RISK GROUPS IN COMMUNICATIONS NETWORKS 有权在通信网络中识别，翻译和过滤共享的风险组公开(公告)号：US20140126355A1
公开(公告)日：2014-05-08
申请号：US14155640
申请日：2014-01-15
IPC分类号： H04L12/703 , H04L12/707
CPC分类号： H04L45/28 , H04L12/4645 , H04L45/04 , H04L45/22 , H04L45/66
摘要： A method, apparatus, and computer-readable storage medium are disclosed for processing shared risk group (SRG) information in communications networks. The method includes obtaining at least one SRG identifier by processing SRG information included in network information received at a first network layer from a second network layer, and processing the at least one SRG identifier using one or more operations configured to ensure that the SRG identifier is unique among a plurality of SRG identifiers. The apparatus includes a network interface adapted to receive network information comprising SRG information, a processor coupled to the network interface, and a memory coupled to the processor and adapted to obtain at least one SRG identifier by processing the SRG information and to process the at least one SRG identifier. The computer-readable storage medium is configured to store program instructions that when executed are configured to cause a processor to perform the method.
摘要翻译： 公开了用于处理通信网络中的共享风险组（SRG）信息的方法，装置和计算机可读存储介质。 该方法包括通过处理包括在第一网络层从第二网络层接收的网络信息中的SRG信息来获得至少一个SRG标识符，以及使用一个或多个操作来处理该至少一个SRG标识符，该操作被配置为确保SRG标识符是 在多个SRG标识符中是唯一的。 所述设备包括网络接口，适于接收包括SRG信息的网络信息，耦合到所述网络接口的处理器以及耦合到所述处理器的存储器，并且适于通过处理所述SRG信息来获得至少一个SRG标识符并且至少处理 一个SRG标识符。 计算机可读存储介质被配置为存储当被执行时被配置为使处理器执行该方法的程序指令。
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10.发明申请IDENTIFYING, TRANSLATING AND FILTERING SHARED RISK GROUPS IN COMMUNICATIONS NETWORKS 审中-公开在通信网络中识别，翻译和过滤共享的风险组公开(公告)号：US20160308757A1
公开(公告)日：2016-10-20
申请号：US15197971
申请日：2016-06-30
IPC分类号： H04L12/703 , H04L12/721 , H04L12/715 , H04L12/707
CPC分类号： H04L45/28 , H04L12/4645 , H04L45/04 , H04L45/22 , H04L45/66
摘要： A method, apparatus, and computer-readable storage medium are disclosed for processing shared risk group (SRG) information in communications networks. The method includes processing, at a first network layer, first network information comprising a plurality of SRG identifiers. The processing includes producing second network information comprising a smaller number of SRG identifiers than that of the plurality of SRG identifiers. The method further includes sending at least a portion of the second network information to the second network layer. The apparatus includes a network interface adapted to send network information comprising SRG information, a processor coupled to the network interface, and a memory coupled to the processor and adapted to store program instructions operable when executed to carry out steps of the method. The storage medium is configured to store program instructions that when executed are configured to cause a processor to carry out steps of the method.
摘要翻译： 公开了用于处理通信网络中的共享风险组（SRG）信息的方法，装置和计算机可读存储介质。 该方法包括在第一网络层处处理包括多个SRG标识符的第一网络信息。 该处理包括产生包括比多个SRG标识符的SRG标识符少的SRG标识符的第二网络信息。 该方法还包括将第二网络信息的至少一部分发送到第二网络层。 该装置包括适于发送包括SRG信息的网络信息，耦合到网络接口的处理器和耦合到处理器的存储器的网络接口，并且适于存储当被执行以可执行以执行该方法的步骤时可操作的程序指令。 存储介质被配置为存储当被执行时被配置为使处理器执行该方法的步骤的程序指令。
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