公开(公告)号：US20220329523A1

公开(公告)日：2022-10-13

申请号：US17727933

申请日：2022-04-25

Applicant: Cisco Technology, Inc.

Inventor： Carlos Pignataro ,  Richard Furr ,  Nagendra Kumar Nainar ,  Joseph Michael Clarke

IPC: H04L45/74 ,  H04L43/028 ,  H04L43/04 ,  H04L43/10 ,  H04L45/00

Abstract: Presented herein are methods and systems that facilitate data plane signaling of a packet as a candidate for capture at various network nodes within an IPv6 network. The signaling occurs in-band, via the data plane—that is, a capture or interrogation signal is embedded within the respective packet (e.g., in the packet header) that carries a user traffic. The signaling is inserted, preferably when the packet is classified, e.g., at the ingress node of the network, to which subsequent network nodes with the IPv6 network are signaled to capture or further inspect the packet for capture.

公开(公告)号：US20190222515A1

公开(公告)日：2019-07-18

申请号：US16364468

申请日：2019-03-26

Applicant: Cisco Technology, Inc.

Inventor： Carlos Pignataro ,  Richard Furr ,  Nagendra Kumar Nainar ,  Joseph Michael Clarke

IPC: H04L12/741 ,  H04L12/26

CPC classification number: H04L45/74 ,  H04L43/028 ,  H04L43/04 ,  H04L43/10

Abstract: Presented herein are methods and systems that facilitate data plane signaling of a packet as a candidate for capture at various network nodes within an IPv6 network. The signaling occurs in-band, via the data plane—that is, a capture or interrogation signal is embedded within the respective packet (e.g., in the packet header) that carries a user traffic. The signaling is inserted, preferably when the packet is classified, e.g., at the ingress node of the network, to which subsequent network nodes with the IPv6 network are signaled to capture or further inspect the packet for capture.

公开(公告)号：US10003660B2

公开(公告)日：2018-06-19

申请号：US15056516

申请日：2016-02-29

Applicant: Cisco Technology, Inc.

Inventor： Richard Furr ,  Nagendra Kumar Nainar ,  Carlos Pignataro ,  Joseph Michael Clarke

IPC: H04L12/26 ,  H04L29/08 ,  H04L12/741 ,  H04L12/721 ,  H04L12/715

CPC classification number: H04L67/16 ,  H04L45/566 ,  H04L45/64 ,  H04L45/74 ,  H04L67/327 ,  H04L69/22

Abstract: Presented herein are service-function chaining techniques that enable data plane signaling of a packet as a candidate for capture at various network nodes along a service function path of a service function chain. That is, a capture signal is embedded within the respective packet that carries a user traffic. The signaling occurs in-band, via the data plane, such that classification of the packet for capture beneficially occurs, at the ingress node of the network, once to which subsequent network nodes along a service function path are signaled to capture or further inspect the packet for capture. Service function chaining treats service functions as resources with associated attributes available for scheduled consumption to which selective traffic are steered according to a policy construct to the requisite network-service resources.

公开(公告)号：US20170251065A1

公开(公告)日：2017-08-31

申请号：US15056516

申请日：2016-02-29

Applicant: Cisco Technology, Inc.

Inventor： Richard Furr ,  Nagendra Kumar Nainar ,  Carlos Pignataro ,  Joseph Michael Clarke

IPC: H04L29/08 ,  H04L12/741

CPC classification number: H04L67/16 ,  H04L45/566 ,  H04L45/64 ,  H04L45/74 ,  H04L67/327 ,  H04L69/22

Abstract: Presented herein are service-function chaining techniques that enable data plane signaling of a packet as a candidate for capture at various network nodes along a service function path of a service function chain. That is, a capture signal is embedded within the respective packet that carries a user traffic. The signaling occurs in-band, via the data plane, such that classification of the packet for capture beneficially occurs, at the ingress node of the network, once to which subsequent network nodes along a service function path are signaled to capture or further inspect the packet for capture. Service function chaining treats service functions as resources with associated attributes available for scheduled consumption to which selective traffic are steered according to a policy construct to the requisite network-service resources.

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.

公开(公告)号：US20240381218A1

公开(公告)日：2024-11-14

申请号：US18313672

申请日：2023-05-08

Applicant: Cisco Technology, Inc.

Inventor： Eric A. Voit ,  Pascal Thubert ,  Carlos Pignataro

IPC: H04W40/08 ,  H04W28/02

Abstract: Methods are provided for selectively depowering any device(s) that seem unnecessarily redundant to strike a balance between resiliency and sustainability to reduce energy costs. The analysis may include a current application mix in use on network paths. For example, a policy may require that at least two available paths are actively energized when real-time collaboration apps are running. Examples of a real-time collaboration app may be data mining in an online database stored elsewhere in the network or holding a video conference call. This double path redundancy can deliver increased application availability. And, in instances where just web/email are actively running, then a backup path that may be energized in less than a second, if a primary path loses connectivity. This lower-power method can also provide increased application availability.

公开(公告)号：US20240323090A1

公开(公告)日：2024-09-26

申请号：US18189879

申请日：2023-03-24

Applicant: Cisco Technology, Inc.

Inventor： Carlos Pignataro ,  Marcelo Yannuzzi

IPC: H04L41/12

CPC classification number: H04L41/12 ,  G06Q50/06 ,  H04L43/08 ,  Y02D10/00

Abstract: Described herein are embodiments related to systems, methods, and processes for sharing sustainability-related attributes and data across multiple domains. More specifically, some embodiments describe a sustainability aggregation device which may include a controller or other processor, and a memory. The memory includes a sustainability aggregation logic that can receive telemetry data associated with a first network domain, and in response, generate a multi-layer topology graph for the first network domain. In response to the graph being generated, it can be augmented with one or more sustainability-related attributes. However, the device can prune the augmented multi-layer topology graph based on one or more export policies and export the pruned augmented multi-layer topology graph to a second network domain. The multi-layer topology graph may also be utilized within a closed-loop system to monitor various aspects of the network domain and adjust one or more configurations as needed based on the received data.

公开(公告)号：US11863388B1

公开(公告)日：2024-01-02

申请号：US18193935

申请日：2023-03-31

Applicant: Cisco Technology, Inc.

Inventor： Carlos Pignataro ,  Eric A. Voit ,  Nagendra Kumar Nainar ,  Marcelo Yannuzzi

IPC: H04L41/0833 ,  H04L45/48 ,  H04L41/12

CPC classification number: H04L41/0833 ,  H04L41/12 ,  H04L45/48

Abstract: Energy-aware configurations can be utilized to operate a network based on sustainability-related metrics. In many embodiments, a suitable device includes a processor, a memory commutatively coupled to the processor, a plurality of elements, a communication port, and an energy-aware topology logic configured to collect topology data from one or more network devices, wherein each of the one or more network devices include a plurality of elements. The energy-aware topology logic can receive power source data and power usage data related to plurality of elements and generate an element energy coefficient (EEC) for a plurality of elements. Subsequently, the energy-aware topology logic can also generate an energy-aware configuration for at least one of the one or more network devices, and then pass the generated energy-aware configuration to the at least one network device, wherein the energy-aware configuration is configured to steer traffic based on at least one sustainability-related metric.

公开(公告)号：US11343182B2

公开(公告)日：2022-05-24

申请号：US16364468

申请日：2019-03-26

Applicant: Cisco Technology, Inc.

Inventor： Carlos Pignataro ,  Richard Furr ,  Nagendra Kumar Nainar ,  Joseph Michael Clarke

IPC: H04L45/74 ,  H04L43/028 ,  H04L43/04 ,  H04L43/10 ,  H04L45/00

Abstract: Presented herein are methods and systems that facilitate data plane signaling of a packet as a candidate for capture at various network nodes within an IPv6 network. The signaling occurs in-band, via the data plane—that is, a capture or interrogation signal is embedded within the respective packet (e.g., in the packet header) that carries a user traffic. The signaling is inserted, preferably when the packet is classified, e.g., at the ingress node of the network, to which subsequent network nodes with the IPv6 network are signaled to capture or further inspect the packet for capture.

公开(公告)号：US12273239B2

公开(公告)日：2025-04-08

申请号：US18381426

申请日：2023-10-18

Applicant: Cisco Technology, Inc.

Inventor： Carlos Pignataro ,  Eric A. Voit ,  Nagendra Kumar Nainar ,  Marcelo Yannuzzi

IPC: H04L41/0833 ,  H04L41/12 ,  H04L45/48

Abstract: Energy-aware configurations can be utilized to operate a network based on sustainability-related metrics. In many embodiments, a suitable device includes a processor, a memory commutatively coupled to the processor, a plurality of elements, a communication port, and an energy-aware topology logic configured to collect topology data from one or more network devices, wherein each of the one or more network devices include a plurality of elements. The energy-aware topology logic can receive power source data and power usage data related to plurality of elements and generate an element energy coefficient (EEC) for a plurality of elements. Subsequently, the energy-aware topology logic can also generate an energy-aware configuration for at least one of the one or more network devices, and then pass the generated energy-aware configuration to the at least one network device, wherein the energy-aware configuration is configured to steer traffic based on at least one sustainability-related metric.