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公开(公告)号：WO2019099290A1
公开(公告)日：2019-05-23
申请号：PCT/US2018/059945
申请日：2018-11-09
Applicant: CISCO TECHNOLOGY, INC.
Inventor： GUNDAVELLI, Srinath , KATHAIL, Pradeep, Kumar
Abstract: In one embodiment, a system, apparatus, and method are described for requesting access authorization from an access network access point (AP) via an access network interface, generating at a processor a public-private key pair (320) to be used to generate a cryptographicaliy generated address (320) upon receiving the access authorization, sending a secure neighbor discovery (SeND) - neighbor solicitation (NS) to the AP via the access network interface after the public-private key pair has been generated (340), receiving a signed user location information (ULI) from the AP in response to the SeND- NS (360), and sending the signed L-l-.l to one of a 3GPP mobility controller or an emergency service via a 3GPP network interface (380). Related systems, apparatuses, and methods are also described.
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公开(公告)号：WO2019089256A1
公开(公告)日：2019-05-09
申请号：PCT/US2018/056855
申请日：2018-10-22
Applicant: CISCO TECHNOLOGY, INC.
Inventor： NATARAJ, Harish , CHANDEL, Ajay , SAXENA, Nikhar, Rakesh , KONDAPALLI, Naveen , KALIGOTLA, Prakash
CPC classification number: H04L41/12 , H04L43/026 , H04L43/028 , H04L61/2514 , H04L67/28 , H04L69/16 , H04L69/22
Abstract: According to one or more embodiments of the disclosure, techniques herein provide for auto discovery of network proxies. In particular, in one embodiment, a controller in a computer network receives, from both source devices and destination devices, corresponding Transmission Control Protocol / Internet Protocol (TCP/IP) information and associated transaction identifiers (IDs) for packets sent by the source devices and for packets received at the destination devices. The controller may then correlate particular source TCP/IP information to particular destination TCP/IP information based on associated transaction IDs being the same, and can compare the correlated source TCP/IP information and destination TCP/IP information in order to determine whether a proxy device exists (e.g., and which particular type of proxy device exists) between the source device and the destination device.
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公开(公告)号：WO2019018474A8
公开(公告)日：2019-01-24
申请号：PCT/US2018/042609
申请日：2018-07-18
Applicant: CISCO TECHNOLOGY, INC.
Inventor： MA, Sherman , GHOSH, Kalyan
Abstract: Systems, methods, and computer readable storage mediums are disclosed for scalable data collection and aggregation of statistics for logical objects of an application centric network. An analytics agent running on a logical object of an application centric network is elected as one of a Designated Stats device (DSD) or a Member Stats device (MSD). If the analytics agent is defined as a DSD, the analytics agent receives data reported from a downstream MSD communicated over the analytics plane and aggregates data from the MSD belonging to the same access control list rule. If the analytics agent is defined as an MSD, the analytics agent selects a DSD and reports the statistics to that DSD over the analytics plane.
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公开(公告)号：WO2019018230A1
公开(公告)日：2019-01-24
申请号：PCT/US2018/042086
申请日：2018-07-13
Applicant: CISCO TECHNOLOGY, INC.
Inventor： GHANDI, Indermeet Singh , HENRY, Jerome
IPC: H04W48/18
Abstract: A method for traffic steering. The method comprises determining a first signal characteristic of a first connection between an electronic device and a first wireless communications network; determining a second signal characteristic of a second connection between the electronic device and a second wireless communications network; and based on the first signal characteristic and the second signal characteristic, preventing the electronic device from attempting to establish the second connection until one or more establishment criteria are met.
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公开(公告)号：WO2019005956A1
公开(公告)日：2019-01-03
申请号：PCT/US2018/039739
申请日：2018-06-27
Applicant: CISCO TECHNOLOGY, INC.
Inventor： FILSFILS, Clarence , CLAD, Francois , CAMARILLO GARVIA, Pablo , WARD, David Delano
IPC: H04L12/721 , H04L12/723 , H04L12/751 , H04L12/715 , H04L12/707 , H04L12/725 , H04L12/741
Abstract: In one embodiment, new Segment Routing capabilities are used in the steering of packets through Segment Routing nodes in a network. A Segment List includes a set of one or more Segment List (SL) Groups, each of which identifies one or more Segments contiguously or non-contiguously stored in the Segment List (or stored across multiple Segment Lists) of a Segment Routing packet. Each SL Group typically includes one Segment that is encoded as a Segment Identifier, and may include Segments that are Extended Values. The steering order of SL Groups is not required to be the same order as they are listed in the Segment List, as the value of Segments Left may be increased, remain the same, or decreased (possibly to skip a next SL Group) and possibly based on the result of an evaluation of a conditional expression.
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Patent Agency Ranking
公开(公告)号：WO2019005949A1
公开(公告)日：2019-01-03
申请号：PCT/US2018/039731
申请日：2018-06-27
Applicant: CISCO TECHNOLOGY, INC.
Inventor： FILSFILS, Clarence , CLAD, Francois , CAMARILLO GARVIA, Pablo
IPC: H04L12/721 , H04L12/723 , H04L12/751 , H04L12/715 , H04L12/707 , H04L12/741 , H04L29/06 , H04L12/879 , H04L29/08
Abstract: In one embodiment, a Segment Routing gateway receives Segment Routing packets encapsulating native packets. The Segment Routing gateway stores the Segment Routing encapsulating headers. The native packets are communicated to a service function (or other device). Upon return, Segment Routing packets are generated including the returned native packets using correspondingly stored Segment Routing encapsulating headers, possibly updated with new policies. Segment Routing includes, but is not limited to, SRv6 and SR-MPLS. In one embodiment, the native packet is sent from a physical interface of the SR gateway to the service function, and returned to the SR gateway on one of its physical interface(s). In one embodiment, shared storage is accessible to both the SR gateway and the service function (or other device), so references (e.g., memory locations or pointers) are communicated between the SR gateway and the service function (or other device).
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公开(公告)号：WO2019005581A1
公开(公告)日：2019-01-03
申请号：PCT/US2018/038787
申请日：2018-06-21
Applicant: CISCO TECHNOLOGY, INC.
Inventor： DESAI, Vishal S.
Abstract: An apparatus, computer program product, and method relating to radio sensor coverage estimation for wireless network assurance. A network controller estimates a network sensor coverage level for candidate access points (APs), based on potential use of the candidate APs as network sensors to measure at least one key performance indicator (KPI). The controller determines a subset of the candidate APs, based on evaluating candidate APs for suitability as network sensors. The controller estimates a second network sensor coverage level for the subset of candidate APs, based on potential use of the subset of candidate APs as network sensors. The controller determines that the second network sensor coverage level is within a pre-defined threshold of the first network sensor coverage level, and provisions a radio in each AP in the subset of candidate APs as a network sensor to measure at least one KPI.
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公开(公告)号：WO2018232223A1
公开(公告)日：2018-12-20
申请号：PCT/US2018/037722
申请日：2018-06-15
Applicant: CISCO TECHNOLOGY, INC.
Inventor： SETHI, Divjyot , NAGARAJAN, Chandra , KOMPELLA, Ramana, Rao , GUPTA, Gaurav , IYER, Sundar
Abstract: Systems, methods, and computer-readable media for discovering a network's topology and health. In some examples, a system can obtain, from at least one of a plurality of controllers on a network, a logical model of the network, the logical model including configurations of one or more objects defined for the network. Based on the logical model, the system can identify a respective location of the plurality of controllers in the network and a plurality of nodes in a fabric of the network. Based on the respective location of the plurality of controllers and plurality of nodes, the system can poll the plurality of controllers and plurality of nodes for respective status information, and determine a health and topology of the network based on the logical model, the respective location, and respective status information.
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公开(公告)号：WO2018231901A1
公开(公告)日：2018-12-20
申请号：PCT/US2018/037208
申请日：2018-06-13
Applicant: CISCO TECHNOLOGY, INC.
Inventor： BEVEMYR, Johan , MOBERG, Carl
Abstract: The present disclosure provides systems, methods, and computer-readable media for orchestrating and managing configuration data of network devices and services. In one aspect, a device includes one or more processors and memory. The memory is configured to store computer-readable instructions, which when executed by the one or more processors, cause the one or more processors to obtain configuration parameters of services and devices of a network infrastructure, the configuration parameters having a tree representation, create a copy of the tree representation of the configuration parameters and generate a template having a plurality of matched pattern instances based on the copy of the tree presentation of the configuration parameters, each of the plurality of matched pattern instances being a single representation of configuration parameters for at least two different services or devices of the network infrastructure.
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公开(公告)号：WO2018231564A1
公开(公告)日：2018-12-20
申请号：PCT/US2018/035805
申请日：2018-06-04
Applicant: CISCO TECHNOLOGY, INC.
Inventor： MONK, John, Thomas , MOHANRAM, Kartik , KOMPELLA, Ramana, Rao , IYER, Sundar
Abstract: Systems, methods, and computer-readable media for fault code aggregation across application-centric dimensions. In an example embodiment, a system obtains respective fault codes corresponding to one or more network devices in a network and maps the one or more network devices and/or the respective fault codes to respective logical policy entities defined in a logical policy model of the network, to yield fault code mappings. The system aggregates the one or more of the fault code mappings along respective logical policy dimensions in the network to yield an aggregation of fault codes across respective logical policy dimensions and, based on the aggregation, presents, for each of the respective logical policy dimensions, one or more hardware-level errors along the respective logical policy dimension.
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