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公开(公告)号：US11689427B2
公开(公告)日：2023-06-27
申请号：US17673182
申请日：2022-02-16
Applicant: Cisco Technology, Inc.
Inventor： Ahmed R. Bashandy , Clarence Filsfils , David D. Ward
IPC: H04L41/12 , H04L45/00 , H04L45/12 , H04L45/50 , H04L45/745 , H04L45/74 , H04L45/02 , H04L49/60 , H04L12/46 , H04L47/724
CPC classification number: H04L41/12 , H04L12/4633 , H04L45/04 , H04L45/12 , H04L45/46 , H04L45/50 , H04L45/507 , H04L45/54 , H04L45/74 , H04L45/745 , H04L47/724 , H04L49/608
Abstract: An apparatus and method is disclosed for segment routing (SR) over label distribution protocol (LDP). In one embodiment, the method includes a node receiving a packet with an attached segment ID. In response, the node may attach a label to the packet. Thereafter, the node may forward the packet with the attached label and segment ID to another node via a label switched path (LSP).
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公开(公告)号：US20190327336A1
公开(公告)日：2019-10-24
申请号：US16458404
申请日：2019-07-01
Applicant: Cisco Technology, Inc.
Inventor： Timothy Evens , Serpil Bayraktar , David D. Ward
Abstract: Presented herein is a Client Network Information Service (CNIS). The CNIS is configured to determine client network information for a communication from a client to at least one application running in a cloud infrastructure environment. The client network information is delivered to instances of the application and to a router associated with the application in order to enable the application to adjust service for the client.
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公开(公告)号：US10404827B2
公开(公告)日：2019-09-03
申请号：US15238811
申请日：2016-08-17
Applicant: Cisco Technology, Inc.
Inventor： Timothy Evens , Serpil Bayraktar , David D. Ward
Abstract: Presented herein is a Client Network Information Service (CNIS). The CNIS is configured to determine client network information for a communication from a client to at least one application running in a cloud infrastructure environment. The client network information is delivered to instances of the application and to a router associated with the application in order to enable the application to adjust service for the client.
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公开(公告)号：US10291494B2
公开(公告)日：2019-05-14
申请号：US15133631
申请日：2016-04-20
Applicant: Cisco Technology, Inc.
Inventor： Plamen Nedeltchev , David A. Maluf , David D. Ward , Alon S. Bernstein
Abstract: A method provided in a network including edge devices to collect data from data producers connected to the edge devices and to communicate with cloud-based prosumers connected with the edge devices. Data analytics tasks are identified. The data analytics tasks are used to process data collected from a data producer among the data producers to produce a result for consumption by one or more of the cloud-based prosumers. For each data analytics task it is determined whether a computational complexity of the data analytics task is less than or equal to a predetermined computational complexity. Each data analytics task determined to have a computational complexity less than or equal to the predetermined computational complexity is assigned to an edge device among the edge devices. Each data analytics task determined to have a computational complexity that exceeds the predetermined computational complexity is assigned to a prosumer among the prosumers.
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公开(公告)号：US10270664B2
公开(公告)日：2019-04-23
申请号：US15388938
申请日：2016-12-22
Applicant: Cisco Technology, Inc.
Inventor： Ahmed R Bashandy , Clarence Filsfils , David D. Ward
IPC: H04L12/723 , H04L12/24 , H04L12/721 , H04L12/715 , H04L12/741 , H04L12/931 , H04L12/46 , H04L12/913
Abstract: An apparatus and method is disclosed for segment routing (SR) over label distribution protocol (LDP). In one embodiment, the method includes a node receiving a packet with an attached segment ID. In response, the node may attach a label to the packet. Thereafter, the node may forward the packet with the attached label and segment ID to another node via a label switched path (LSP).
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Patent Agency Ranking
16.发明申请公开(公告)号：US20170310565A1
公开(公告)日：2017-10-26
申请号：US15133631
申请日：2016-04-20
Applicant: Cisco Technology, Inc.
Inventor： Plamen Nedeltchev , David A. Maluf , David D. Ward , Alon S. Bernstein
IPC: H04L12/26
Abstract: A method provided in a network including edge devices to collect data from data producers connected to the edge devices and to communicate with cloud-based prosumers connected with the edge devices. Data analytics tasks are identified. The data analytics tasks are used to process data collected from a data producer among the data producers to produce a result for consumption by one or more of the cloud-based prosumers. For each data analytics task it is determined whether a computational complexity of the data analytics task is less than or equal to a predetermined computational complexity. Each data analytics task determined to have a computational complexity less than or equal to the predetermined computational complexity is assigned to an edge device among the edge devices. Each data analytics task determined to have a computational complexity that exceeds the predetermined computational complexity is assigned to a prosumer among the prosumers.
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公开(公告)号：US20170237747A1
公开(公告)日：2017-08-17
申请号：US15387123
申请日：2016-12-21
Applicant: Cisco Technology, Inc.
Inventor： Paul Quinn , Michael E. Lipman , Mike Milano , David D. Ward , James Guichard , Leonid Sandler , Moshe Kravchik , Alena Lifar , Darrin Miller
CPC classification number: H04L63/107 , G06F21/602 , G06F21/6218 , H04L63/0428 , H04L63/108 , H04L63/20 , H04W12/00503 , H04W12/08
Abstract: Various systems and methods for determining whether to allow or continue to allow access to a protected data asset are disclosed herein. For example, one method involves receiving a request to access a protected data asset, wherein the request is received from a first user device; determining whether to grant access to the protected data asset, wherein the determining comprises evaluating one or more criteria associated with the first user device, and the criteria comprises first information associated with a first policy constraint; and in response to a determination that access to the protected data asset is to be granted, granting access to the protected data asset.
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公开(公告)号：US20170111209A1
公开(公告)日：2017-04-20
申请号：US15148864
申请日：2016-05-06
Applicant: CISCO TECHNOLOGY, INC.
Inventor： David D. Ward , Carlos M. Pignataro , Frank Brockners , Shwetha Subray Bhandari
CPC classification number: H04L41/0631 , H04L12/4633 , H04L12/4641 , H04L12/56 , H04L41/04 , H04L41/0677 , H04L41/0686 , H04L43/024 , H04L43/04 , H04L43/0811 , H04L43/0817 , H04L43/0829 , H04L43/0852 , H04L43/087 , H04L43/0876 , H04L43/10 , H04L45/50 , H04L69/22 , H04L2012/5625
Abstract: Embodiments of the disclosure pertain to activating in-band OAM based on a triggering event. Aspects of the embodiments are directed to receiving a first notification indicating a problem in a network; triggering a data-collection feature on one or more nodes in the network for subsequent packets that traverse the one or more nodes; evaluating a subsequent packet that includes data augmented by the data collection feature; and determining the problem in the network based on the data augmented to the subsequent packet.
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公开(公告)号：US09491058B2
公开(公告)日：2016-11-08
申请号：US14210729
申请日：2014-03-14
Applicant: Cisco Technology, Inc.
Inventor： Clarence Filsfils , Ahmed R. Bashandy , David D. Ward , Stefano B. Previdi
IPC: H04L12/723 , H04L12/741 , H04L12/24 , H04L12/721 , H04L12/715
CPC classification number: H04L41/12 , H04L12/4633 , H04L45/04 , H04L45/12 , H04L45/46 , H04L45/50 , H04L45/507 , H04L45/54 , H04L45/74 , H04L45/745 , H04L47/724 , H04L49/608
Abstract: A method and apparatus for forwarding packets through a network domain that contains nodes that are label distribution protocol (LDP) enabled and nodes that are segment routing (SR) enabled. In one embodiment, the method may include a network node receiving a packet with a label attached thereto. The node swaps the label with a segment identifier (ID). The node then forwards the packet to an SR node. In another embodiment, the method may include a network node receiving a packet with a segment ID attached thereto. The node swaps the segment ID with a label. The node then forwards the packet to an LDP enabled node.
Abstract translation: 一种用于通过包含启用标签分发协议（LDP）的节点的网络域转发分组的方法和装置，以及启用分段路由（SR）的节点。 在一个实施例中，该方法可以包括接收具有附加到其上的标签的分组的网络节点。 节点用分段标识符（ID）交换标签。 然后节点将数据包转发到SR节点。 在另一个实施例中，该方法可以包括接收具有附加到其上的段ID的分组的网络节点。 节点用标签交换分段ID。 然后节点将数据包转发到启用LDP的节点。
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20.发明申请公开(公告)号：US20150304206A1
公开(公告)日：2015-10-22
申请号：US14637510
申请日：2015-03-04
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Clarence Filsfils , Keyur P. Patel , David D. Ward , Pierre Jean Rene François , Stefano B. Previdi
IPC: H04L12/721 , H04L12/66
Abstract: In one embodiment, a controller device in a computer network domain learns border gateway protocol (BGP) egress peering segments from one or more border routers of the domain, and determines a selected flow to segment route via a particular egress peering segment, the selected flow from a given routing device within the domain to a given destination of a remote domain. As such, the controller device may then instruct the given routing device to segment route the selected flow via the particular egress peering segment. In another embodiment, an egress border router shares its BGP egress peering segments, and receives a flow to segment route. The egress border router may determine, from a segment route contained within the flow, to which particular egress peering segment of the border router to segment route the flow, and forwards the flow out of the domain via the particular egress peering segment.
Abstract translation: 在一个实施例中，计算机网络域中的控制器设备从该域的一个或多个边界路由器学习边界网关协议（BGP）出站对等分段，并且确定所选择的流经由特定出站对等分段来分段路由，所选择的流 从域内的给定路由设备到远程域的给定目的地。 因此，控制器设备然后可以指示给定的路由设备经由特定出口对等段来分段路由所选择的流。 在另一个实施例中，出口边界路由器共享其BGP出口对等分段，并且接收到分段路由的流。 出口边界路由器可以从流中包含的分段路由确定边界路由器的哪个特定出口对等分段对流进行分段，并且经由特定出口对等分段将流转发出该域。
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