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公开(公告)号：US09531850B2
公开(公告)日：2016-12-27
申请号：US14560146
申请日：2014-12-04
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Nagendra Kumar Nainar , Carlos M. Pignataro
IPC: H04L12/28 , H04L29/06 , H04L12/715
Abstract: In one embodiment, a method includes receiving a packet in a service function chain at a network device located at a border of a first administrative domain, the packet comprising a service function path identifier and a service index, processing the packet at the network device, wherein processing comprises modifying the packet based on the service function path identifier and the service index to direct the packet to a second administrative domain, and forwarding the packet from the network device to the second administrative domain for processing in the service function chain. The service function chain extends over the first and second administrative domains. An apparatus and logic are also disclosed herein.
Abstract translation: 在一个实施例中，一种方法包括：在位于第一管理域边界的网络设备的服务功能链中接收分组，所述分组包括服务功能路径标识符和服务索引，在网络设备处理分组， 其中处理包括基于服务功能路径标识符和服务索引来修改分组，以将分组引导到第二管理域，并且将分组从网络设备转发到第二管理域以在服务功能链中进行处理。 服务功能链延伸到第一个和第二个管理域。 本文还公开了一种装置和逻辑。
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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
Applicant: Cisco Technology, Inc.
Inventor： Noboshige Akiya , George L. Swallow , Carlos M. Pignataro , Nagendra Kumar Nainar
IPC: H04L12/803 , H04L12/723
CPC classification number: H04L47/125 , H04L45/24 , H04L45/48 , H04L45/50 , H04L45/507 , H04L47/12 , H04L47/122
Abstract: 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：US12284119B2
公开(公告)日：2025-04-22
申请号：US18129755
申请日：2023-03-31
Applicant: Cisco Technology, Inc.
Inventor： Ian James Wells , Kyle Andrew Donald Mestery , Carlos M. Pignataro , Nagendra Kumar Nainar
Abstract: This disclosure describes techniques for performing application-based tagging. An example method includes receiving, at a virtual socket, non-packetized data from an application and generating, by the virtual socket, a label based on the application. One or more data packets are generated by packetizing at least a portion of the non-packetized data. A header field of the one or more data packets includes a tag based on the label.
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公开(公告)号：US12273187B2
公开(公告)日：2025-04-08
申请号：US18321854
申请日：2023-05-23
Applicant: Cisco Technology, Inc.
IPC: H04L45/745 , H04L1/00
Abstract: The present disclosure is directed to BIER forwarding over varying BSL domains, the methods including the steps of receiving, at a border node, a packet comprising a BIER header having a BIER bit string with a first bit string length; reading an incoming label of the packet comprising instructions to split the BIER header into a plurality of smaller headers associated with a plurality of smaller bit strings; generating a set of split bit masks; performing a separate bitwise AND operation on each split bit mask and the BIER bit string to generate the plurality of smaller bit strings, each copied to a corresponding smaller header of the plurality of smaller headers; and performing a lookup for each of the plurality of smaller headers on a respective forwarding table to determine one or more egress routers to which to transmit the packet.
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公开(公告)号：US20250039047A1
公开(公告)日：2025-01-30
申请号：US18360353
申请日：2023-07-27
Applicant: Cisco Technology, Inc.
Inventor： Carlos Pignataro , Eric A. Voit , Nagendra Kumar Nainar
IPC: H04L41/0833
Abstract: Devices and methods that incorporate sustainability data within a header of a data packet to allow for the generation of sustainable configurations for various network devices are disclosed. Power efficiency is obtained at a node-level by including metadata to existing network flows, in an in-band/in-situ configuration. This information may be used for optimum flow placement. Received data packets may be formatted with sustainability data within a metadata shim. The received data packets are processed, and a sustainable configuration is generated for the one or more network devices. The generated sustainable configuration is transmitted to the one or more network devices to enable efficient and effective management of network devices by incorporating sustainability data into the data packets.
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Patent Agency Ranking
公开(公告)号：US20240427918A1
公开(公告)日：2024-12-26
申请号：US18339035
申请日：2023-06-21
Applicant: Cisco Technology, Inc.
Inventor： Nagendra Kumar Nainar , Cesar Obediente , David John Zacks , Carlos M. Pignataro , Thomas Szigeti , Craig T. Hill
IPC: G06F21/62
Abstract: In one embodiment, a method includes generating a security policy and converting the security policy into a chaos hypothesis. The method also includes initiating execution of the chaos hypothesis across a plurality of microservices within a technology stack. The method further includes receiving metrics associated with the execution of the chaos hypothesis across the plurality of microservices within the technology stack.
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公开(公告)号：US12120538B2
公开(公告)日：2024-10-15
申请号：US18332854
申请日：2023-06-12
Applicant: Cisco Technology, Inc.
Inventor： Nagendra Kumar Nainar , Carlos M. Pignataro , Jerome Henry , Robert E. Barton
Abstract: Failure prediction signaling and cognitive user migration may be provided. A client device may receive at least a portion of failure prediction data. The client device may then analyze the at least the portion of the failure prediction data. The client device may then roam from a first computing device to a second computing device in response to analyzing the at least the portion of the failure prediction data.
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公开(公告)号：US12063228B2
公开(公告)日：2024-08-13
申请号：US17559164
申请日：2021-12-22
Applicant: Cisco Technology, Inc.
Inventor： Akram Ismail Sheriff , Rajiv Asati , Nagendra Kumar Nainar , Ariel Shuper , Hendrikus G. P. Bosch
CPC classification number: H04L63/1416 , H04L41/22 , H04L63/1425 , H04L63/1466
Abstract: In one embodiment, a method comprises: receiving, by a process, an executed function flow of a daisy chained serverless function-as-a-service (FaaS) function, the executed function flow having been injected with a particular trace identifier in response to an initial event trigger and span identifiers having been injected by each service that was executed; generating, by the process, a serverless flow graph associated with the particular trace identifier based on linking a path of serverless functions according to correlation of the span identifiers between the serverless functions; performing, by the process, a trace-based analysis of the serverless flow graph through comparison to a baseline of expectation; detecting, by the process, one or more anomalies in the serverless flow graph according to the trace-based analysis; and mitigating, by the process, the one or more anomalies in the serverless flow graph.
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公开(公告)号：US20240236192A9
公开(公告)日：2024-07-11
申请号：US17972208
申请日：2022-10-24
Applicant: Cisco Technology, Inc.
Inventor： Chidambaram Arunachalam , Nagendra Kumar Nainar , Gonzalo Salgueiro
IPC: H04L67/141 , H04L43/12
CPC classification number: H04L67/141 , H04L43/12
Abstract: In one embodiment, a device may obtain a media topology of nodes involved in a collaboration session. The device may cause each of a plurality of probes to be provisioned to a corresponding node of the nodes involved in the collaboration session to perform a test of a corresponding segment of the media topology, and each of the plurality of probes may be associated to a session identifier of the collaboration session. The device may determine observability information based on results of the plurality of probes for each segment of the media topology, and the results may include an indication of the session identifier. The device may correlate the observability information to the collaboration session based on the indication of the session identifier.
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公开(公告)号：US11979744B2
公开(公告)日：2024-05-07
申请号：US17443287
申请日：2021-07-23
Applicant: Cisco Technology, Inc.
Inventor： Jerome Henry , Louis G. Samuel , Mark Grayson , Bart A. Brinckman , Robert E. Barton , Carlos M. Pignataro , Nagendra Kumar Nainar , Matthew MacPherson
CPC classification number: H04W12/08 , H04L63/0815 , H04W12/06 , H04W12/69
Abstract: Federation policy exchange is provided in response to receiving a sharing query from an Access Point (AP) indicating that an associated wireless network supports federated identities with data sharing, determining whether the sharing query is within sharing preferences; and in response to determining that the sharing query is within the sharing preferences, transmitting, to the AP, a positive response for identity sharing that authorizes collection and sharing of identity data with at least one entity identified in a sharing policy for the associated wireless network. In various embodiments, federation policy exchange includes transmitting a support notification, via an AP, indicating support for federated identities with data sharing within a wireless network associated with the AP; and in response to receiving a first identify sharing preference from a User Equipment (UE) that indicates that negotiation is preferred, transmitting a sharing policy for the wireless network to the UE.
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